Dynamic information storage or retrieval inventions 12/07

20070297295 - Electronic-mechanical apparatus for playing back optical disks: An electronic-mechanical apparatus (1) for playing back optical disks, usually termed juke-box, comprises receiving means (5) for a plurality of optical disks (D), playback means (7) for an optical disk (D), selector means (T) for selecting an optical disk (D) to be played back, and handling means (6) for withdrawing... Agent: Nixon & Vanderhye, PC

20070297296 - Optical disk apparatus: An optical disk apparatus, suitable for adjusting fluctuation of a light emitted from an optical pickup in the direction thereof, by means of a tilt adjusting mechanism, irrespective of thin-sizing of the housing of the apparatus, comprises within the housing 110, a disk motor 220, a turntable 120, which is... Agent: Townsend And Townsend And Crew, LLP

20070297299 - Optical disk apparatus: An optical disk apparatus includes: an optical pickup unit for reading out information recorded on an optical disk; a demodulation circuit for demodulating digital data from an output signal of the optical pickup unit; and a controller for performing a servo control based on the output signal of the optical... Agent: Bacon & Thomas, PLLC

20070297302 - Apparatus and method for servo balance calibration in optical disc driver: An apparatus and method for servo balance calibration in an optical disc driver are described. The optical disc driver comprises an OPU for emitting light beam to an optical disc and detecting a reflection light from the optical disc to generate a set of detected signals. The apparatus comprises an... Agent: Madson & Austin

20070297304 - Recording apparatus, abnormality detection method, and program: A recording apparatus recording data on an optical disk includes a management information checking unit that determines whether or not management information on the optical disk for managing the data recorded on the optical disk exists by checking for management information on the optical disk when the optical disk is... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070297306 - Enhanced reproduction of optical discs: In performing reproduction of optical discs, when a request to perform a data reproduction operation is received, it is detected whether finalization data is written to a finalization indicator region of an optical disc, and a record-related servo adjustment operation is performed if finalization data is not written to the... Agent: Fish & Richardson P.C.

20070297309 - Optical disc recording method and optical disc recording apparatus: An optical disc apparatus that ensures a stable recording performance by assigning a separate recording power to a driving current for driving a laser during recording in response to each record length.... Agent: Townsend And Townsend And Crew, LLP

20070297297 - Disk apparatus:

20070297298 - Optical disk recording device: An optical disk recording device that detects a shift of the recording position with respect to an optical disk, has a pre-pit distribution detecting circuit that detects the distribution of pre-pits for a plurality of wobbles based on binarized pre-pit signals obtained by binarizing pre-pit signals corresponding to pre-pits on... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070297300 - Method and apparatus for slip protection of dvd-ram drive's seek control: The present invention is provides a method and apparatus for slip protection of DVD-RAM drive's seek control, comprising a slip end velocity controller, a re-seek controller, and a slip detector. Among them, the slip end velocity controller is used for providing a first control signal to direct a driver to... Agent: Bruce H. Troxell

20070297301 - Method and device for automatic disc skew correction: A method and device for controlling disc run out in an optical disc drive system. The drive has a rotatable axle (7) and holding means (6) for holding a disc (2, 136) so that the normal of the disc is essentially parallel to the axle. A tilt mechanism is arranged... Agent: Philips Intellectual Property & Standards

20070297303 - Optical pickup control circuit: In an optical disc playback device, focus and tracking balance amounts are automatically adjusted to specified amounts. An error rate from an error correction circuit for performing error correction of data played back from an optical disk using the optical pickup is then measured, and if the measurement results are... Agent: Hogan & Hartson L.L.P.

20070297305 - Drive device: A drive apparatus of the present invention includes a recording/reproduction section and a drive control section. The drive control section performs a process including: determining whether or not replacement management information including a replacement physical address is found in the replacement management information list, the replacement physical address matching the... Agent: Snell & Wilmer L.L.P. (matsushita)

20070297307 - Write correction circuit and write correction method: A write correction circuit (100) includes, in its input stage, a pulse modification circuit (11) for removing patterns (sections) included in a write pulse signal (s1), which patterns have lengths outside a range that is previously determined as a section length of the write pulse signal, and outputting a modified... Agent: Steptoe & Johnson LLP

20070297308 - Information recording apparatus: An information recording apparatus such as an optical disc that can avoid an unrecordable condition between a power-on operation and an available state for recording thereby to solve a problem that an image taking chance is missed in a recording step, wherein its constitution is such that: receiving a command... Agent: Townsend And Townsend And Crew, LLP

20070297310 - Advanced high density data write strategy: A method of writing a mark to an optical disc includes receiving data to be written and generating a control signal for a laser pulse having a melt period that transitions to a growth period wherein the melt period is characterized by a melt power and the growth period is... Agent: Lsi Corporation

20070297311 - Method to erase data stored on blu-ray disc: A method to erase data stored on an erasable optical recording system is provided. The optical recording system includes a laser IO head having a blue-light laser, a red-light laser, and an infrared-light laser writing data on the blu-ray disc, the DVD disc, and CD disc, respectively. The method includes... Agent: Cantor Colburn LLP - IBM Tuscon Division

20070297312 - Content preservation: A long-term solution for document and information storage is based on the storage of an image of the actual document, rather than on binary coding. Associated with the storing of this image are readers and writers that allow reading/writing in numerous formats as well as the supplementing of the stored... Agent: Sheridan Ross P C

20070297313 - Optical pickup: An optical pickup has a first compatible objective and a second compatible objective, the first objective having a diffractive lens structure capable of recording and playback to and from CD and HD DVD, the second objective having a diffractive lens structure capable of recording and playback to and from both... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070297314 - Optical information recording /reproducing device and objective lens for the same: where Φ1=m(λ1)×(λ1/(n2(λ1)−n1(λ1))), Φ2=m(λ2)×(λ2/(n2(λ2)−n1(λ2))), Φ3=m(λ3)×(λ3/(n2(λ3)−n1(λ3))), m(λ1), m(λ2), and m(λ3) are diffraction orders at which diffraction efficiencies of the first through third light beams are maximized, respectively, n1(λ1), n1(λ2), and n1(λ3) are refractive indexes of the first optical member, respectively, and n2(λ1), n2(λ2), and n2(λ3) are refractive indexes of the second optical... Agent: Greenblum & Bernstein, P.L.C

20070297316 - Method and apparatus for retrieving information from a 3d storage medium: A method and apparatus for retrieving information from a three dimensional storage medium uses a three dimensional storage medium having an active medium capable of exhibiting first and second states, a data unit being represented by the ratio between the concentration of the first and second states in a given... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070297315 - Optical recording medium: An optical recording medium 300, which is provided with multiple recording layers formed on a transparent substrate to improve a recording characteristic, includes two recording layers (a first recording layer 302 and a second recording layer 305) provided on a transparent first substrate 301 and capable of recording and reading... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070297317 - Optical disc and physical address format: An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles indicating sub information, among a plurality... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070297318 - Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method: Second digital information serving as copyright protection information can be stably and reliably read without any effect of a defect or pit missing on a disk-shaped recording medium. Second digital information is recorded onto a disk-shaped recording medium by wobbling a pit sequence recorded as a first signal. The second... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070291597 - Optical disc access control and storage apparatus: An optical disc access control and storage apparatus containing a rotating plate for storing discs thereon and rotating the same, a first disc-pushing mechanism for moving a disc along its radial direction from the rotating plate to a second disc-pushing mechanism wherein the second disc-pushing mechanism has a positioning slot... Agent: Sughrue Mion, PLLC

20070291601 - Method of correcting chromatic aberration generated during conversion from reproducing mode to recording mode, and recording method and recording and reproducing apparatus adopting the correction method: A chromatic aberration correcting method to correct chromatic aberration generated during a conversion from a reproducing mode to a recording mode in an optical recording and reproducing apparatus which uses an optical pickup to form a light spot on an optical information storage medium by focusing light emitted from a... Agent: Stein, Mcewen & Bui, LLP

20070291600 - Optical disk apparatus and tracking method: A tracking offset is reduced. The effect of an SPP signal fluctuation is reduced by using a variable mixing ratio DPP method, and a residual tracking offset is minimized.... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070291603 - Method and apparatus for recording data in an optical disk device: A method and apparatus for recording data on an optical disk calculates an optical power at a first recording speed, compares the calculated optical power to a predetermined value, and then determines whether to apply the first recording speed based on a result of the comparison. The optical power at... Agent: Ked & Associates, LLP

20070291606 - Selective performance of optimum power control process: A power control process in which an inner region optimum power control (“OPC”) value of an inner region of an optical disc is measured at a base speed is selectively performed. A predicted outer region OPC value is calculated based upon the inner region OPC value, a reference laser power... Agent: Fish & Richardson P.C.

20070291608 - Recording method and optical disk recording device: A recording method and a recording apparatus capable of optimally arranging data on a write-once type optical disc. In a write-once type optical disc recording method with respect to a disc having a read-in, a user area, and a read-out by employing defect management information, the user area is divided... Agent: Townsend And Townsend And Crew, LLP

20070291609 - Tilt error detecting device, tilt calibrating device, and methods thereof for optical storage device: The present invention discloses a tilt error detecting device for detecting a tilt error signal indicative of a tilt error between an optical disc and an optical pick-up head. The tilt error detecting device includes: a first combining module for generating a first level signal according to a first portion... Agent: North America Intellectual Property Corporation

20070291610 - Recording and reproducing apparatus and digital data recording method: A recordable optical disc includes a user area and a management information area. User data is recorded in a physical block used as a single unit, and the space bit map is recorded in the management information area. Integrity verification processing is performed for each of recording status information so... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070291614 - Information recording apparatus: The objects of the present invention are to facilitate the driving of the recording energy source, and to secure sufficient cooling time of the recording medium to promote the high-speed formation of high-precision marks and to provide high-speed and large-capacity information recording apparatuses at a low cost. To achieve the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070291594 - Optical system for image projection and image projection apparatus: An optical system for image projection is disclosed which is capable of improving contrast while suppressing reduction of light amount. The optical system includes a converging optical system, and a polarization beam splitting surface transmitting an incoming light flux having a first polarization direction from the converging optical system, to... Agent: Morgan & Finnegan, L.L.P.

20070291595 - Dual purpose media drive providing control path to shared robotic device in automated data storage library: A dual purpose media drive exchanges data with removable media items. The drive includes at least one port to receive various control signals, including (1) data exchange commands directing the drive to read and/or write data to a media item mounted by the drive, and (2) robotic device management commands.... Agent: John H. Holcombe IBM Corporation,IPLaw Dept.

20070291596 - Optical disc device and optical disc semiconductor: An object of the present invention is to provide an optical disc apparatus which can adjust a gain and an offset in lens shift control with a high precision in a short period of time. The optical disc apparatus according to the present invention includes a semiconductor laser 11, a... Agent: Wenderoth, Lind & Ponack L.L.P.

20070291598 - Servo branch of optical disc drive comprising a switchable diaphragm and a device for beam deflection, and methods for measuring beam lanking and spherical aberration: A switchable diaphragm (9) and a device for beam deflection (10) are placed in the servo branch of an optical drive, in a path of light beams of different diffraction orders. This permits redirection of light beam orders towards a detection means (8) on an individual basis and selection of... Agent: Philips Intellectual Property & Standards

20070291599 - Optical information recording reproduction device: An optical information recording reproduction device is disclosed which finds the correlation between the ratio of the minimum pit amplitude to the maximum pit amplitude of an RF signal obtained from the light reflected by the pits recorded on an optical disk in a tracking servo mode and spherical aberration... Agent: Knobbe Martens Olson & Bear LLP

20070291602 - Optical disk drive and pickup device: An optical disk drive includes focusing means, moving means for moving the focusing means in a direction perpendicular to a track direction, light detection means having a first light acceptance section accepting a light beam reflected by one information recording layer and a second light acceptance section accepting stray light... Agent: Wolf Greenfield & Sacks, P.C.

20070291605 - Signal generating apparatus and method, recording apparatus and method, reproducing apparatus and method, recording/reproducing apparatus and method, computer program, and recording medium: A recording/reproducing apparatus (100) is provided with comprising: recording devices (131a-131e) for recording record signals (WS1-WS5) in parallel and in synchronization with a record clock; a signal generating device (143) for generating record signals such that a reproduction clock synchronized with the record clock can be generated on the basis... Agent: Nixon & Vanderhye, PC

20070291604 - Optical information recording method and optical information regeneration recorder, and signal processing circuit, and recording reproduction program and information recording medium: An optical information recording method in an optical recording generation method for performing recording and reproduction of information by radiating laser light which is pulse-modulated according to a recording waveform having a plurality of setting parameters onto a storage medium is disclosed. The method comprises reading information recorded in the... Agent: Knobbe Martens Olson & Bear LLP

20070291607 - Recording device and method, and computer program: A recording apparatus (200) is provided with: a backup device (352) for backing up data recorded on one recording medium (455) onto another recording medium (100); a verifying device (359) for verifying presence or absence of a defect in at least a recording area in which the data is backed... Agent: Young & Thompson

20070291611 - Apparatus for writing data having a data amount on a storage medium: An apparatus for writing data having a data amount on a storage medium, the storage medium having a limited data capacity being higher than the data amount, the apparatus having a processor for receiving information on the data amount and the data capacity on the storage medium and for determining... Agent: Glenn Patent Group

20070291612 - Optical data recording method: A data storage medium is provided on which data is to be recorded by modulating the data to generate a plurality of recording modulation codes and irradiating a pulse-like light beam to the data storage medium, so that a plurality of recording marks and spaces which have lengths corresponding to... Agent: Akin Gump Strauss Hauer & Feld L.L.P.

20070291613 - Signal processing apparatus and method for an optical disc drive: A signal processing apparatus includes sample and hold units for holding a plurality of analog photo diode signals. A signal holding controller generates control signals to the sample and hold units for holding the analog photo diode signals. Analog adjusting modules adjust the held analog photo diode signals. A multiplexer... Agent: North America Intellectual Property Corporation

20070291615 - Optical disc and physical address format: An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles indicating sub information, among a plurality... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070291616 - Optical disk reproducing apparatus and optical disk reproducing method: An optical disk reproducing apparatus has a circuit for detecting a difference in modulation scheme between two types of optical disks in a reproduction signal and a circuit for determining the modulation schemes of the disks on the basis of the difference. Thus the apparatus can reproduce the two optical... Agent: Mcdermott Will & Emery LLP

20070291617 - Optical information reproducing apparatus and optical information recording apparatus using holography: An optical information reproducing apparatus using holography is provided. The holographic optical information reproducing apparatus includes an objective lens irradiating a reference beam to a predetermined position on a recording medium and receiving a reproducing beam reproduced from the recording medium, an optical information detector detecting the reproducing beam passing... Agent: Ditthavong Mori & Steiner, P.C.

20070291618 - Optical disk drive: An optical disk drive for recording information on a recording surface of an optical disk and reading information recorded in the optical disk is provided. The optical disk drive includes a spindle to rotate the optical disk and a carriage movable in parallel with a tracking direction of the optical... Agent: Greenblum & Bernstein, P.L.C

20070291619 - Optical pickup and objective lens used therein:

20070291620 - Power control system and related method: A method for controlling a specific output power level emitted from a laser diode (LD) in an optical pick-up head unit (OPU) is disclosed. The LD is configured to provide a plurality of output power levels for accessing/recording an optical disc. The method includes: determining a specific power control value... Agent: North America Intellectual Property Corporation

20070291621 - Method of setting write conditions for optical recording media: A method is provided to enable efficient optimization of write pulse waveforms using a trial writing region. To record information on an optical recording medium using a laser beam, the method includes: recording a specific pattern of multiple record marks on the trial writing region of the optical recording medium;... Agent: Mathews, Shepherd, Mckay, & Bruneau, P.A.

20070291622 - High pass filtering device for an optical disc drive: A high pass filtering device for an optical disc drive comprises a first low pass filter (LPF) of a first sampling rate, filtering a digital input signal; a down-sampler receiving a first filtered signal form the first LPF to down-sample the first filtered signal by an integer factor N; a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070291623 - Cantilever with control of vertical and lateral position of contact probe tip: An embodiment of a probe storage device in accordance with the present invention can include an electrostatic actuator for controlling the z-position of a cantilever having a contact probe tip extending therefrom. The electrostatic actuator can comprise two electrodes: the cantilever and a conductive portion in overlapping proximity to the... Agent: Fliesler Meyer LLP

20070291624 - Optical informaton recording medium and display rendering method thereof: An optical information recording medium has a recording layer, a semi-transmissive reflective layer, a heat-generating layer, a reflective layer, a deformation layer, and a protective layer formed sequentially on a first translucent substrate, and the reflective layer and deformation layer are deformed by heat by irradiating a laser beam to... Agent: Knobbe Martens Olson & Bear LLP

20070291625 - Magneto-optical storage medium: The present invention relates to a storage medium (10) comprising an information layer (11) including transparent and non-transparent areas in which the information is stored, and a magnetizable layer (12) intended to contain at least one magnetized area, which is temporarily created when a light spot is transmitted by a... Agent: Philips Intellectual Property & Standards

20070291626 - Optical disc and physical address format: An optical disc medium comprises a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles indicating sub information, among a plurality... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070291627 - Recording medium with physical access control (pac) cluster thereon and apparatus and methods for forming, recording, and reproducing the recording medium: A recording medium having at least one control data area storing control data in a recording unit. The control data may be used for managing an access to the recording medium. The medium having at least one management area storing status information for the control data area, wherein an invalid... Agent: Harness, Dickey & Pierce, P.L.C

20070291629 - Optical recording medium: The optical recording medium is provided with a substrate having optical transparency and disc shape; and a recording layer formed on the substrate in which incident light enters from the substrate side to record/read information. The substrate includes a distribution of the amount of birefringence in a recording area of... Agent: Birch Stewart Kolasch & Birch

20070291628 - Wobble information recording method, information recording medium, and recording and reproduction method and apparatus thereof: An optical disk and a method for identifying the optical disk are provided which make it possible to identify a recording system of the optical disk easily in a short time by a recording and reproduction apparatus when a groove-recording system and a land-recording system are both employed in one... Agent: Wenderoth, Lind & Ponack L.L.P.

20070291630 - Optical disc production apparatus: An optical disc production apparatus for producing a disc substrate with one or two signal layers including: a first signal layer forming mechanism for forming a first signal layer on a disc substrate (hereinafter, substrate); a layer forming mechanism which selectively forms a first reflection layer on the first signal... Agent: Harness, Dickey & Pierce, P.L.C

20070291631 - Method of marking graphic or similar patterns on the recorded face of an optical data recording medium and optical data recording medium implementing said method:

20070286031 - Optical near-field generator and recording and reproduction apparatus: Provided is an optical near-field recording and reproduction apparatus capable of adjusting the intensity of optical near-field and the amount of light bouncing off on the bottom of a slider around a scatterer and the surface of a medium and traveling back to a light source. A reflecting layer is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070286033 - Servo control apparatus, servo control method, optical disc apparatus and video camera recorder: A servo control apparatus includes: a drive section that applies a thrust to move a driven object; a storage section that stores a control circuit output initial value; an approaching control section that moves the driven object toward a target position; an error signal detection section that detects an error... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070286034 - Method of controlling an optical pickup head to access an eccentric disc: A method of controlling an optical pick-up head to access an eccentric disk. When a loaded disk is determined as an eccentric disk causing a lens of the optical pick-up head crossing between a first track being close to the inner disk and a second track being close to outer... Agent: Wpat, PC

20070286035 - Reflecting apparatus: A reflecting apparatus includes a first actuator to position a mirror and a second actuator to deform the mirror. The second actuator includes a magnetic member attached to the mirror, and an electromagnet arranged to oppose the magnetic member in a noncontact manner. The reflecting apparatus can suppress heat generation... Agent: Fitzpatrick Cella Harper & Scinto

20070286037 - Optical pickup device: A light source, an objective lens which concentrates light from the light source onto an information recording surface of an information storage medium, and a spherical aberration correction mechanism provided on a light path between the light source of the objective lens are provided. The spherical aberration correction mechanism includes... Agent: Edwards Angell Palmer & Dodge LLP

20070286038 - Optimizing focus point for optical disc: An apparatus comprising a focus controller, a photo-diode sensor, a data circuit, a focus error creation circuit and a focus offset circuit. The focus controller may be configured to control a lens in relation to a laser beam and allow the laser beam to focus on a disc. The photo-diode... Agent: Lsi Corporation

20070286039 - Tracking controlling apparatus, method and program: An off-track state is to be detected accurately. A photodetector 11 converts the light reflected from an optical disc into an electrical signal. A MIRR signal generating circuit 16 generates a bi-level MIRR signal 23, indicating whether the photodetector 11 is in an on-track state or an off-track state with... Agent: Foley And Lardner LLP Suite 500

20070286040 - Safety ensuring device and disc apparatus utilizing the same: A safety ensuring device for a disc apparatus, which includes a lid and a spindle motor for rotating a disc, includes a first switch operable by the lid, a first controller electrically coupled to the first switch, a second switch simultaneously operable by the lid when activating the first switch,... Agent: North America Intellectual Property Corporation

20070286041 - Flexible power interface control system and method of optical disk drive: The present invention provides a flexible power interface control system and a method of the same capable of flexibly changing the LDD setting for complying with different controlling states or different write strategies. The different controlling states or write strategies may be used for different disk types or different writing... Agent: Madson & Austin

20070286042 - Adjustment method of optimum write power and optical write/retrieval device: A write power adjustment method and optical read/write apparatus for accurate optimum write power setup. Different levels of write power Pwm are used to perform a test write and calculate a modulation Mm corresponding to each level of write power Pwm. Different write power compensated values Pcn are used to... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070286043 - Information processing device: An information processing device may include a first frame provided with a scanner for reading information recorded on a medium, a second frame which faces the first frame across a traveling path and is provided with a pressing member for pressing the medium toward a reading face of the scanner,... Agent: Cantor Colburn, LLP

20070286044 - Optical disc read/write apparatus and alternative write processing method: When data is to be written on an optical disc in the unit of a sector, an attempt is made to read a block A to which a write sector belongs for the purpose of judging whether the block can be normally read. If the block A is not successfully... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070286047 - Information recording method of optical disc, laser driving apparatus and optical disc apparatus: Pulses modulated between the erase power and the bottom power are used instead of cooling pulses for an optical disk medium that needs a write strategy with 4-valued power levels. Consequently, pulse instruction lines for the cooling pulses, power level instruction lines, and corresponding current source within the laser driver... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070286048 - Reproducing apparatus and reproducing method: A reproducing apparatus includes a signal reading unit for reading a signal from a recording medium, an equalizing unit for performing partial response equalization on the read signal and outputting an equalized signal, a maximum likelihood decoding unit for performing maximum likelihood decoding on the equalized signal to decode binary... Agent: Wolf Greenfield & Sacks, P.C.

20070286032 - Audio/video transcription system: A computer based digital transcription system employs audio and video inputs of a court proceeding, and stores the digital signals in a memory in the form of distinct file segments of a predetermined time length during each recording session. The computer associates a date and time and a third identifier,... Agent: Lavalle D. Ptak Law Office Of Lavalle Ptak

20070286036 - Electron beam recording apparatus: An electron beam recording apparatus provided with control means for forming a latent image in a resist layer on a disk substrate corresponding to a predetermined pattern by controlling the irradiation position of an electron beam irradiation unit on the surface of the resist layer in accordance with the rotation... Agent: Drinker Biddle & Reath (dc)

20070286045 - Disk drive system employing effective disk surface stabilization mechanism: A stabilization part stabilizes surface vibration of a flexible optical disk along a rotation axis direction of the optical disk by means of pressure difference of air flow created according to Bernoulli's law at a portion on which information writing/reading is performed, provided on a side of the optical disk... Agent: Dickstein Shapiro LLP

20070286046 - Pseudo-overwriting data on write-once discs: A file system which is enabled to use a Metadata Partition instead of VAT for write-once discs, is provided by a pseudo-overwrite method. On applying this invention to a drive apparatus which supports pseudo-overwrite media, the file system distinguishes data to overwrite from data to append. When the data is... Agent: Mark D. Saralino (mei) Renner, Otto, Boisselle & Sklar, LLP

20070286049 - Information processing device and method, program, and recording medium: An information processing device performing replication of data between recording media so that valid information recorded in a first recording medium is recorded in a second recording medium, the information processing device includes a replication control unit controlling the replication of the data so that only information of an allocation... Agent: Frommer Lawrence & Haug LLP

20070286050 - Recording apparatus and method, program, and storage medium: Disclosed herein is a recording apparatus for recording a file stream which may be composed of a header, a body, and a footer onto a storage medium. The apparatus may includes header area securing means for, before recording of the body, securing in a recording area of the storage medium... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070286051 - Optical pickup device having chromatic aberration correction lens: An optical pickup device includes a light source to emit light, an objective lens to focus the light on a recording medium to form a light spot, an optical path changer on an optical path between the light source and the objective lens to change the path of incident light,... Agent: Stein, Mcewen & Bui, LLP

20070286052 - Optical pickup device: A Bragg-grating-based liquid crystal element is disposed on an optical axis of a first objective lens with a tilt angle of more than 45° with respect to the optical axis of the first objective lens. By inputting a laser beam to the Bragg-grating-based liquid crystal element in such a manner... Agent: Ditthavong Mori & Steiner, P.C.

20070286053 - Optical pickup and optical drive: Disclosed is an optical pickup that includes a laser diode, which emits an optical beam; a diffraction device, which is placed at a position through which the optical beam passes, and separates the optical beam into at least three optical beams (zero-order light, plus first-order light, and minus first-order light);... Agent: Townsend And Townsend And Crew, LLP

20070286054 - Objective lens for optical information recording/reproducing device: An objective lens for an optical information recording/reproducing device (executing information reading or writing on first through third optical discs having different data densities and different protective layer thicknesses t1-t3 (t1≦t2≦t3)) by selectively using first through third substantially collimated light beams having first through third wavelengths λ1-λ3 (λ1<λ2<λ3) respectively) includes... Agent: Greenblum & Bernstein, P.L.C

20070286055 - Optical pickup apparatus and information recording/reproduction apparatus: An optical pickup apparatus and an information recording/reproduction apparatus that can reduce flare light generated by an objective lens and reduce stray light are provided. An erecting mirror is provided on an optical path between a light source and an objective lens. An incident face on the erecting mirror is... Agent: Morrison & Foerster LLP

20070286056 - High speed electromechanical shutter: An electromechanical shutter device comprising a base member and a shutter assembly comprising: an electrical current source member; a shutter member movable between a light beam blocked position and a light beam passed position; a light beam blocking member associated with the shutter member; a shutter coil associated with the... Agent: Jagtiani + Guttag

20070286057 - Method of printing label on optical disk, optical disk unit, and optical disk: A visible light characteristic changing layer formed from photosensitive or heat-sensitive material is formed in a location which can be viewed from a part of a label surface of an optical disk. The optical disk is set on a turntable of an optical disk unit while the label surface of... Agent: Crowell & Moring LLP Intellectual Property Group

20070286060 - Apparatus, method, and program for recording: A recording apparatus for recording data in individual blocks each made of plural given regions on an optical disc is disclosed. The recording apparatus may have (i) a detection portion which detects a finally recorded region on the disc by detecting for each of the given regions as to whether... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070286059 - Optical information recording medium and optical information recording method: An optical information recording medium, comprising on a substrate a recording layer containing a dye compound having a specific structure. An optical information recording method, comprising recording information on the optical information recording medium by irradiation with laser light of a wavelength of 550 or shorter or 440 nm or... Agent: Sughrue-265550

20070286058 - Recording apparatus and method, recording medium, and program: The present invention relates to a recording apparatus and a method, a recording medium, and a program for allowing the relative layout of data recorded on a data recording medium to be maintained on the data recording medium without having to requiring a user to perform burdensome operation. A playback... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070286061 - Optical information medium: e

20070280059 - Apparatus and methods for light spot servo signal detection: An apparatus for light spot servo signal detection for reading an optical recording medium having a plurality of non-writable areas between writable data areas containing address information. An optical pickup provides a light spot to the non-writable areas of the optical recording medium with a predetermined state according to a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280060 - Servo calibration mark detection circuit for hd-dvd or dvd-ram and method thereof: The invention provides a servo calibration mark detection circuit for use in an optical disk drive. In one embodiment, the servo calibration mark detection circuit comprises a summing processor, a slicing level generator, and a comparator. The summing processor sums an intensity of a light beam reflected from both an... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280061 - Apparatus and method of detecting a target peak value and a target bottom value of an input signal: An apparatus of processing an input signal generated according to accessing of an optical storage medium is disclosed. The apparatus has a detecting circuit and a decision logic. The detecting circuit is coupled to the input signal for detecting a target peak value and a target bottom value of the... Agent: North America Intellectual Property Corporation

20070280063 - Optical disk device performing high-speed seek operation and optical disk device seeking method: When a remaining number of tracks is smaller than a first threshold value, a coarse seek operation is determined to be normal, and therefore, a learning process is not executed. If the remaining number of tracks is not smaller than a second threshold value, the coarse seek operation is determined... Agent: Osha Liang L.L.P.

20070280064 - Optical disk device: An optical disk servo device capable of correcting spherical aberration occurring by thickness errors of a cover layer of an optical disk or disc while avoiding risks of influence by vibrations and shocks or else is disclosed. The device includes an optical head unit for writing or reading information to... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070280065 - Optical information recording/reproduction apparatus: An optical information recording/reproduction apparatus capable of performing accurate tracking control without depending on a radial runout of an optical disk is provided. Specifically, light reflected on an optical disk is detected by a first photodetector and a tracking error signal is detected from an output thereof. Also, return light... Agent: Fitzpatrick Cella Harper & Scinto

20070280072 - Apparatus for demodulating address in pre-groove symbols and apparatus for decoding pre-pit symbols: The invention provides an apparatus for demodulating an Address In Pre-groove (ADIP) symbol. The ADIP symbol is carried by a wobble signal of an optical disk and comprises a series of ADIP bits permuted according to one of a plurality of permutation patterns to make up the ADIP symbol. A... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280071 - Apparatus for detecting the wobble carrier frequency of an optical disk and method for same: An apparatus for detecting the wobble carrier frequency of an optical disk is disclosed. The apparatus comprises an offset canceller, a binary conversion module, an adjustable band pass filter, and a frequency detection module. The offset canceller cancels the direct current offset of a first wobble signal to obtain a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280069 - Method of gain control and controller thereof: The invention provides an automatic gain controller processing an input signal for wobble detection circuit. An exemplary embodiment of the automatic gain controller comprises an envelope detection module, an analog to digital converter, a digital control module, a digital to analog converter, and a variable gain amplifier. The envelope detection... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280070 - Wobble detection circuit and method for processing wobble signals: The invention provides a wobble detection circuit. An exemplary embodiment of the wobble detection circuit comprises an automatic gain control module, an analog to digital converter, a digital band pass filter, and a digital band pass filter. The automatic gain control module amplifies a first input signal and a second... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280068 - Multi-layer optical disc, information recording method and information reproducing method: According to one embodiment, single-sided dual-layer recordable disc 100 may be used. Information recording is performed by forming mark and space portions on data area DA using modulated laser power. Pp denotes the maximum laser power or peak power for forming the mark portion, and Pb denotes the bias power... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280074 - Information reproducing apparatus and information reproducing method: According to the present invention, even if tracking fails during reproduction of information from an optical disk and a movement is made to an adjoining track, the reliability of data to be transferred is improved and a countermeasure can be taken immediately. An unrecorded area decision unit decides based on... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070280076 - Optical disk device: An optical disk device includes a recording and reading means which performs recording of data upon, or reading of data from, an optical disk upon which are stored an ID, number of times information, and recording management information. Furthermore, when recording of data upon the optical disk has been completed,... Agent: Pillsbury Winthrop Shaw Pittman, LLP Eric S. Cherry - Docketing Supervisor

20070280079 - Asymmetry measurement apparatus: An asymmetry measurement apparatus is disclosed. The asymmetry measurement apparatus is designed for detecting the recorded data reproduction waveform of an optical storage device in digital domain. The asymmetry measurement apparatus includes an Analog to Digital Converter (ADC) for converting an analog signal to a digital signal; a detection unit... Agent: North America Intellectual Property Corporation

20070280078 - Playback apparatus and sync signal detecting method: A playback apparatus plays back information from a recording medium having a data structure including sync signals added in units of data items each having a predetermined size. The information is recorded in runlength limited codes, and the signals correspond to consecutive unique run lengths. The apparatus includes an information... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280080 - Pll circuit and recorded information playback apparatus: A PLL circuit having an analog-to-digital converter; a phase error detecting circuit; and an oscillator, in which the phase error detecting circuit includes: phase error detecting means detecting a phase error from a data stream signal and a data stream signal 1 clock cycle earlier; absolute value comparing means detecting... Agent: Rader Fishman & Grauer PLLC

20070280081 - Recording control method of rewritable type optical disc and drive unit for recording and reproducing the same: In the recording on a rewritable optical disc, the searching time for the no data area is reduced. In this method, data is recorded in ECC blocks, each of which is a minimum unit region in the recording operation by the drive unit. Recording blocks are assigned to the user... Agent: Dickstein Shapiro LLP

20070280057 - Disc processing apparatus: In a disc processing apparatus capable of automatically carrying out processing work such as recording information on a plurality of optical discs and printing label surfaces on those optical discs, this disc processing apparatus is able to suppress by separating a conveyed optical disc from an optical disc located just... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070280058 - Objective lens and method of manufacturing optical pickup apparatus: An objective lens focusing light emitted from a light source onto an information surface of an optical disk, comprising: a first lens surface to be positioned on the light-source side; a second lens surface to be positioned on the optical-disc side; a first edge surface to be positioned on the... Agent: Fish & Richardson P.C.

20070280062 - Apparatus and method of generating zero crossing signal for optical disc drive: An apparatus and method of generating a zero crossing signal for an optical disc drive to reduce width deviation due to sampling effect, thereby improving servo control and detection. An embodiment of the apparatus comprises a reshaping device receiving a first digital servo signal of the optical disc drive to... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280066 - Apparatus for controling servo signal gains of an optical disc drive and method of same: The invention provides an apparatus for controlling servo signal gains of an optical disc drive. The apparatus adjusts the gains of a plurality of servo signals controlling a servo system of the optical disc drive according to a closed-loop mode or a state-reloading mode whenever the optical disk drive encounters... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280067 - Apparatus having switchable servo gains and offsets for optical disk drive and method thereof: An apparatus having switchable servo gains and offsets for an optical disk drive adjusts its gains and offsets through the coupling of a servo signal and a switch with several changeable paths. The servo signals are either designated to undergo signal reduction with respect to a first offset through the... Agent: Connolly Bove Lodge & Hutz LLP

20070280073 - Authenticating polymeric film: A piracy protection digital recording medium comprising an optical recording medium coated with a polymeric film containing authentication state change material therein, the authentication state change material being readable by a digital reader of such optical recording medium.... Agent: Kelley Drye & Warren LLP

20070280075 - Disc recording/playback device, media recording/playback device and data recording/playback method: In copying data of a plurality of optical discs into a single optical disc through a buffering unit without temporarily saving the data in an external recording unit, a method is provided which increases a time available for the user to select data after disc exchange without increasing a buffer... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070280077 - Write processing method for optical storage device and optical storage device: In order to decrease alternate processing when a verification error is detected for an optical storage medium, a position BS and a length BL of a defect are stored when a verification error is detected, and based on this stored information, rewriting is performed with increasing the write power for... Agent: Greer, Burns & Crain

20070280082 - Optical pickup transfer apparatus: An apparatus including a first engaging portion for holding an optical pickup, a second engaging portion to be engaged with the first engaging portion, a transfer portion for driving the second engaging portion to transfer the first engaging portion in a radial direction, a calculating portion for calculating a backlash... Agent: Drinker Biddle & Reath (dc)

20070280084 - Optical pickup: The present invention provides an optical pickup capable of efficiently and cheaply preventing response speed of a liquid crystal device from decreasing when temperature is low. A liquid crystal device as aberration correcting means is fixed inside of a first movable holder so as to cover an opening. An objective... Agent: Osha Liang L.L.P.

20070280083 - Recording and playback apparatus and optical head: The light intensity of a light beam emitted from a light source is appropriately controlled when the light beam is transmitted through a variable optical coupling efficiency device in an optical head. During a read mode, the light beam from the light source is incident on an optical disk at... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280085 - Optical disc device and optical pickup: An optical disc device performs tracking control using a light amount difference at two overlapping areas. The optical disc device includes a splitter, objective lens, detection-signal generator, tracking-signal generator, and driver. The splitter splits the light beam from a light source into a main beam and sub-beams. The objective lens... Agent: Wolf Greenfield & Sacks, P.C.

20070280086 - Laser power control system and method: A laser power control system and related method for reducing a settling time in a target laser power transition are disclosed. The laser power control system includes a state decision circuit, for generating a state decision signal according to a selected operational state of a target circuit; a plurality of... Agent: North America Intellectual Property Corporation

20070280088 - Method and apparatus for blank detection of an optical disc: An optical storage device and a blank detection method thereof are disclosed. An RF signal is obtained from an optical disc. A various gain amplifier amplifies the RF signal based on a control signal. An analog to digital converter samples the amplified RF signal to obtain a data signal. An... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280087 - Writing method and optical disk device: An objective of the present invention is to enhance reliability of recorded data by preventing deterioration of OPC (Optimum Power Calibration) accuracy due to an influence of inter-layer interference in an optical disk device capable of writing in a multilayer optical disk. Aiming at the objective, a relationship between asymmetry... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070280089 - Recording medium drive device: A stopper 60 is provided which detects a projected part formed on an upper cartridge case of a shield type cartridge so as to prevent the shield type cartridge from being inserted. Accordingly, mechanical lock caused by the insertion of the shield type cartridge can be prevented.... Agent: Kratz, Quintos & Hanson, LLP

20070280090 - Optical pickup device and optical disc apparatus: An optical pickup device includes a lens holder having an objective lens focusing a light beam onto a signal recording surface of a rotated optical disc and being movable in a focusing direction in parallel with the optical axis of the objective lens and in a tracking direction perpendicular to... Agent: Wolf Greenfield & Sacks, P.C.

20070280092 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280091 - Compound lens having a sealing configuration suitable for motor vehicles: An optical recording unit having a compound lens which includes a lens stack. The lens stack encompasses a plurality of lenses, which are inset in a tubular housing. The lens stack includes a spacer ring which accommodates a sealing material or a sealing element and which is braced resiliently against... Agent: Kenyon & Kenyon LLP

20070280093 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, an optical recording medium comprises a first recording part which includes a first recording layer and a first light reflecting... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280094 - Optical recording medium, information recording method, and information reproducing method: According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this end, in this optical recording medium, an intermediate layer whose thickness variation is managed to be equal to or less than... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280095 - Optical disc, information recording method, information reproducing method, and disc drive: According to one embodiment, a write-once optical disc which uses a short-wavelength laser allows BCA information recording even using a long-wavelength laser. To this end, a groove is cut in advance on a BCA part on a molded substrate of the optical disc to store a dye. In this way,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.