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Dynamic information storage or retrieval August inventions list 08/09

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
08/27/2009 > patent applications in patent subcategories. inventions list

20090213701 - Device for and method of recofding information: A device for recording data and data structures on a write-once storage medium. The device has writing means for recording the data and the data structures and controlling means for generating the data structures and controlling the writing means. The data structures comprise space bit map and defect management structures.... Agent: Philips Intellectual Property & Standards

20090213702 - Device for and method of recording information: A device for recording data and data structures on a write-once storage medium. The device has writing means for recording the data and the data structures and controlling means for generating the data structures and controlling the writing means. The data structures comprise space bit map and defect management structures.... Agent: Philips Intellectual Property & Standards

20090213703 - Track calculation method for fixing track jumps of optical discs of different capacities: An appropriate track calculation equation is inducted according to a relationship between a storage area and a track pitch of a compact disc, and a pickup unit is instantly shifted to a location calculated with the track calculation equation. Therefore, an error after performing a track jump modulation is reduced... Agent: North America Intellectual Property Corporation

20090213704 - Optical disk apparatus and servo control method: According to one embodiment, an optical disk apparatus comprises an optical pickup which irradiates an optical disk with a light beam and receives reflected light from the disk, and a driving module which drives the pickup. The driving module includes an error detector which detects a tracking servo error with... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090213705 - Optical disc device: The optical disc device has a circuit 4 which forms a focus error signal FER for focus servo control based on reflection light from an optical disc exposed to laser light. A data processing unit 2 can control by feedback a position to which an objective lens is moved by... Agent: Mattingly & Malur, P.c.

20090213706 - Optical pickup apparatus: An optical pickup apparatus comprising: a laser diode; an objective lens configured to focus laser light emitted from the laser diode on a signal recording layer of an optical disc; a first aberration correction element arranged in an optical path between the laser diode and the objective lens; and a... Agent: Fish & Richardson P.c.

20090213707 - Recording medium and method and apparatus for recording data: A recording medium and a method and apparatus for recording data are disclosed. The recording medium includes a data area in which data is recorded, a lead-in area arranged radially inwardly of the data area, and a lead-out area arranged radially outwardly of the data area, wherein the lead-in area... Agent: Harness, Dickey & Pierce, P.L.C

20090213709 - Method of and apparatus for managing disc defects using temporary defect management information (tdfl) and temporary defect management information (tdds), and disc having the tdfl and tdds: A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in... Agent: Stein Mcewen, LLP

20090213710 - Reproducing information from aninformation carrier: The invention described is an apparatus for reproducing information from an information carrier (11) comprising: a waveform equalizer (6) for obtaining a corrected signal (S′) by performing a waveform equalization to a read signal (S), the waveform equalizer (6) having an amplifying element with a gain (K); and gain setting... Agent: Philips Intellectual Property & Standards

20090213708 - Optical recording/reproducing apparatus: The present invention provides an optical recording/reproducing apparatus which can record information on the whole plane of the optical disk with a stable quality, even when the temperature has largely changed during a recording standby period in an intermittent recording process. The present optical recording/reproducing apparatus reproduces the information from... Agent: Fitzpatrick Cella Harper & Scinto

20090213711 - Methods applied to optical storage medium for identifying boundary between areas storing information with different characteristics: A method applied to an optical storage medium for identifying a boundary between a first area and a second area is provided. The first area and the second area store information with different characteristics. The method includes moving an optical pickup unit in a radial direction for accessing the optical... Agent: North America Intellectual Property Corporation

20090213712 - Method and system for distinguishing spatial and thermal defects on perpendicular media: Disclosed are a method and system for distinguishing spatial and thermal defects on perpendicular media. The magnetic domains of the perpendicular media are oriented to have a first polarity, scanned using a read head, oriented to have a second polarity and scanned again. The signals from the read head are... Agent: Townsend And Townsend And Crew, LLP

20090213713 - Latching mechanism for folding drive bay door: An exemplary latching mechanism for folding drive bay door (10) includes a cover panel (12), two brackets (14), two link members (184), a rotatable member (16), and two elastic members (22). The cover panel is configured for covering an entrance of an electronic device. The cover panel forms two pivotally... Agent: Pce Industry, Inc. Att. Steven Reiss

20090213714 - Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof: An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting layer. The second recording layer is formed with a continuous second... Agent: Connolly Bove Lodge & Hutz LLP

20090213715 - Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof: An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting layer. The second recording layer is formed with a continuous second... Agent: Connolly Bove Lodge & Hutz LLP

20090213716 - Method and apparatus for recording/reproducing data on/from a recording medium: A method and apparatus for recording/reproducing data is disclosed. The apparatus for recording/reproducing data comprises a diffraction element splitting light diffracted or reflected from a recording medium into a main beam and first and second sub beams, the main beam and the first and second sub beams having no interference... Agent: Harness, Dickey & Pierce, P.L.C

20090213717 - Method of adjusting inclination of objective lenses, method of producing optical pickup, device for adjusting inclination of objective lenses, optical pickup component, optical pickup, and optical information recording and reproducing device: m

20090213718 - Optical recording device and optical recording and reproduction device: An optical recording device includes a light source, a spatial light modulator, a correcting optical system and a light guiding section. The spatial light modulator includes plural pixels, a signal light region that displays a signal light pattern, and a reference light region that displays a reference light pattern. The... Agent: Sughrue Mion, Pllc

20090213719 - Optical encoding disc and optical encoder having same: An exemplary optical encoding disc includes a plurality of concentric annular tracks. Each track includes a plurality of coding units. Each coding unit includes a light converging portion and a light diverging portion. The light converging portions and the light diverging portions are arranged alternately along a circumferential direction of... Agent: Pce Industry, Inc. Att. Steven Reiss

20090213720 - Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof: An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting layer. The second recording layer is formed with a continuous second... Agent: Connolly Bove Lodge & Hutz LLP

20090213721 - Slot-in type disk apparatus: In a slot-in type disk apparatus, a base body 10 and a lid 20 constitute a chassis sheath, a front surface of the chassis sheath is provided with a bezel 30, the bezel 30 is formed with a disk-insertion opening 31, and a disk is inserted directly from the disk-insertion... Agent: Dickinson Wright Pllc James E. Ledbetter, Esq.

  
08/20/2009 > patent applications in patent subcategories. inventions list

20090207702 - Electromagnetic field generating element,information recording and reproduction head, and information recording and reproduction device: An electromagnetic field generating element includes a conductor that generates near-field light when irradiated with light and generates a magnetic field when a current flows through the conductor. The electromagnetic field generating element further includes a soft magnetic body provided at a position along a dimension of the conductor, the... Agent: Edwards Angell Palmer & Dodge LLP

20090207703 - Optical near-field generator and recording apparatus using the optical near-field generator: A near-field optical probe and optical near-field generator are provided. A problem of a probe having a scatterer in which optical near-field noises are generated at the parts other than for a point at which an intense optical near-field is generated, is solved. In one example of the probe, a... Agent: Stanley P. Fisher Reed Smith LLP

20090207704 - Recording apparatus, server apparatus, recording method, program, and storage medium: A data recording apparatus recording data of a CD on an HDD in a manner such that the content of record in the CD is faithfully accounted for and shortening an operation time for a synchronized ripping operation. When the data recording apparatus reads, from the CD, track data managed... Agent: Rader Fishman & Grauer PLLC

20090207705 - Optical disc verification method and optical disc medium: An optical disc verification method according to the present invention includes the steps of: writing data on first, second and third radial locations on an optical disc at a writing speed V1 and reading the data written there, thereby measuring read signal quality index values A, B and C, where... Agent: Mark D. Saralino (pan) Renner, Otto, Boisselle & Sklar, LLP

20090207706 - Optical disc verification method and optical disc medium: A recording medium, such as a high-density and/or read-only recording medium including a data area including at least two data sections and a linking area to link neighboring data sections, the linking area including dummy data, and to methods and apparatuses for forming, recording, and reproducing the recording medium.... Agent: Harness, Dickey & Pierce, P.L.C

20090207707 - Optical recording apparatus: The present invention relates to an optical recording apparatus that provides improved writing speed. In the processing means (50) an encoded data signal (NRZ) is processed, and a first clock generator (52) generates a two-level clock signal (CLK). Furthermore, a duty cycle modulator (MOD) modulates the clock signal (CLK) in... Agent: Philips Intellectual Property & Standards

20090207708 - Optical disc device: An optical disc device capable of preventing a current larger than prescribed in specifications from flowing by measuring amounts of variation in drive signals of the actuator or the spindle motor, and in view of a correlation between those amounts of variation in the drive signals and the amount of... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090207709 - Focus control device, and optical disc device: When performing write-in or readout of data to an optical disc on which a land area and a groove area are continuously formed, using an optical pickup, there are provided a land learning unit (1) for determining a focus position in the land area, a groove learning unit (2) for... Agent: Wenderoth, Lind & Ponack L.L.P.

20090207710 - Use of feedback error and/or feed-forward signals to adjust control axes to optimal recovery position of hologram in holographic data storage system or device: A method for adjusting at least one alignment control axis of a holographic data storage system or device to or towards a sufficiently optimal recovery position for recovery of a hologram based on a derived feedback error signal and/or a derived feed-forward signal. For the next hologram in the sequence,... Agent: Vedder Price, PC

20090207711 - Information recording method: If the amount of information recorded on a user data area of a recording medium is less than a predetermined value when a finalize process is performed on the information recorded in the user data area, dummy information is recorded in the recorded area such that the amount of the... Agent: Fitzpatrick Cella Harper & Scinto

20090207712 - Optical recording medium and method of recording visible information: The present invention relates to an optical recording medium comprising a visible information recording layer comprising a dye denoted by the following general formula (I) on a support. In general formula (I), A denotes a substituted or unsubstituted heterocyclic group, substituted aliphatic group, or substituted or unsubstituted carbon ring group,... Agent: Sughrue Mion, PLLC

20090207713 - Information recording medium, information reproducing device and method, and apparatus and method for manufacturing information recording medium: An information recording medium (100) is provided with (i) a first information recording area wherein a first track for reproducing first information based on a first track pitch is formed by a laser beam, and (ii) a second information recording area wherein a second track for reproducing second information based... Agent: Young & Thompson

20090207714 - Hologram recording/reproducing optical element and hologram recording/reproducing device: An optical element for recording/reproducing a hologram condenses a recording beam into a hologram recording medium, while also allowing the passage of a reproduction beam from the hologram recording medium in the reverse direction with respect to the recording beam. The optical element is configured to converge, upon incidence of... Agent: Greer, Burns & Crain

20090207715 - Optical element, optical pickup device and optical information recording and reproducing apparatus: An optical element for use in an optical pickup device to conduct reproducing and/or recording information for a first disk including a protective substrate by the use of a first light flux emitted from a first light source and to conduct reproducing and/or recording information for a second disk including... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090207716 - Optical pickup apparatus: An optical pickup apparatus includes: a first light source; a second light source; a light-converging optical system including a coupling lens and an objective lens; and a photodetector. The optical pickup apparatus is capable of recording and/or reproducing information by converging a light flux from each of the first and... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090207718 - Information storage devices using magnetic domain wall motion and methods of operating the same: An information storage device using magnetic domain wall motion and a method of operating the same are provided. The information storage device includes a magnetic track having a plurality of magnetic domains and magnetic domain walls arranged alternately. A current supply unit is configured to apply current to the magnetic... Agent: Harness, Dickey & Pierce, P.L.C

20090207717 - Three-terminal multiple-time programmable memory bitcell and array architecture: In one embodiment, a non-volatile memory bitcell includes a program electrode, an erase electrode, a cantilever electrode connected to a bi-stable cantilever positioned between the program electrode and the erase electrode, and switching means connected to the program electrode arranged to apply a voltage potential onto the program electrode, or... Agent: Patterson & Sheridan, L.L.P.

20090207719 - Optical disc apparatus: A variable gain amplifier (203: VGA) for amplifying an amplitude of a signal extracted by a pickup (202), an A/D converter (204) for converting the amplified signal into digital, and an amplitude detecting circuit (206) for detecting amplitude information from the digital information, are provided. A gain control circuit (205)... Agent: Mcdermott Will & Emery LLP

20090207720 - Vibration-isolating fixing device: A vibration-isolating fixing device is disposed in a chassis of an electronic device, for accommodating at least one storage device. The fixing device includes a frame to accommodating the storage device and a plurality of vibration-isolation elements. Each vibration-isolation element has a main body and a damper. Each assembly pillar... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090207721 - Optical disc and optical disc device: An optical disc has a read-only system lead-in area and a recordable data area. Disc boundary information representing a boundary in a radial direction of an area on which capability of recording at a predetermined recording speed is guaranteed is recorded on the system lead-in area while being related to... Agent: Ditthavong Mori & Steiner, P.C.

20090207722 - Optical disc apparatus: An optical disc apparatus searches domain information from information stored on a disc. When the domain information is thereby acquired, the existence of the domain information is presented to outside at a predetermined timing in a reproducing process of the disc. When an access execution command based on the domain... Agent: Ditthavong Mori & Steiner, P.C.

20090207724 - Magnetic memory: A magnetic memory is provided with a memory cell. The memory cell includes a magnetic recording element, an interconnection to generate a radio-frequency current-induced magnetic field and a ground line. The magnetic recording element is provided with a first magnetic layer whose magnetization direction is substantially fixed, a magnetic recording... Agent: Nixon & Vanderhye, PC

20090207723 - Optical disc and ultraviolet-curable composition for optical disc: An optical disc of the present invention includes at least a light reflection layer and a light transmission layer formed on a substrate, wherein recording and reading are performed by a laser beam through the light transmission layer, the light transmission layer is formed from a cured film of a... Agent: Darby & Darby P.C.

  
08/13/2009 > patent applications in patent subcategories. inventions list

20090201775 - Optical disc apparatus and method for discriminating optical disc: This invention improves the accuracy of wobble signal detection for disc discrimination and reduces discrimination errors due to noise. In an optical disc apparatus, a wobble signal generator creates a wobble signal from an electrical signal which has been obtained from conversion by a pickup. A bandpass filter (BPF) is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090201776 - Optical information recording device and recording correction calculation method: When recording recording information by forming on a recording medium a recording mark whose mark length is an integral multiple of the reference mark length according to a recording signal generated from a recording information signal, this method performs a process of: generating, after recording compensation recording information on the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090201777 - Optical pickup apparatus, reproducing apparatus, recording apparatus, and tracking error signal generation method: An optical pickup apparatus, a reproducing apparatus, a recording apparatus, and a tracking error signal generation method are provided. Four light-receiving elements receive stray light of main and sub beams reflected from, out of a plurality of recording layers of the optical disk, the one other than that for effecting... Agent: Morrison & Foerster LLP

20090201779 - Novel reading inhibit agents: Disclosed is an optical disk, card or media which comprises: a) a plurality of data structures that are readable by the interrogating beam of light; and b) a composition on or in the optical disk, card or media disposed so that when the optical disk, card or media is used... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20090201778 - Optical disk playback device: An optical disk playback device includes a control means (an LSI 5 for system control) for performing a track search according to contents information, comparing a current track start point position at the time after performing the track search with a target track start point position, when the comparison result... Agent: Birch Stewart Kolasch & Birch

20090201780 - Optical disc, optical disc recording apparatus, and optical disc recording method: Drive information is updated to always include the recording/playback conditions determined from the most recent learning process on a data recording medium. The data recording medium has a data recording area for recording data, and a drive information area for recording drive information. The drive information includes a plurality of... Agent: Wenderoth, Lind & Ponack L.L.P.

20090201781 - Method and product for copy protection of optical discs using unbalanced dc content: The present invention relates to a method of copy protecting optical discs, such as CDs or DVDs. Instead of encoding data onto the CD-ROMs in a conventional manner which ensures balanced dc content, for copy protection the digital data is encoded and recorded onto the optical disc such that it... Agent: Morrison & Foerster LLP

20090201783 - Apparatus and method to set a rotation rate for an optical and holographic data storage medium: A method to set a rotation rate for an optical holographic data storage medium by determining if the optical storage layer comprises an alternating series of lands and grooves. If the optical storage layer does not comprise an alternating series of lands and grooves, the method rotates the optical holographic... Agent: Dale F. Regelman Quarles & Brady, LLP

20090201784 - Apparatus and method to store and retrieve information using an optical holographic data storage medium: A method using an optical holographic data storage medium and an optical holographic data storage drive, comprising removeably disposing the optical holographic data storage medium in the optical holographic data storage drive, and determining whether to write information to the holographic data storage layer, and/or whether to read information from... Agent: Dale F. Regelman Quarles & Brady, LLP

20090201782 - Holographic disk with optical-notch-filter label: A holographic disk, including: a holographic recording layer and a servo-tracking layer, the holographic recording layer separated from the servo-tracking layer by a dichroic mirror that prevents a data I/O laser from accessing the servo-tracking layer while allowing a servo-tracking laser to access embedded servo tracks; a transparent cover layer... Agent: Carpenter & Associates

20090201786 - Optical element and objective optical system: h

20090201785 - Optical pickup and optical disc drive: An optical pickup has a semiconductor laser device that can emit laser beams with different wavelengths. A beam splitter and objective lens direct the emitted beam onto a rotating optical disc. Reflected light returns through the objective lens and beam splitter to a photodetector. A pair of liquid crystal elements... Agent: Birch Stewart Kolasch & Birch

20090201787 - Pickup device: A pickup device includes an irradiation optical system including an object lens for focusing light flux on a track of a recording surface of an optical recording media having a plurality of recording layers stacked while a spacer layer is interposed between the recording layers to form a spot and... Agent: Sughrue Mion, PLLC

20090201788 - Acousto-optic reading/recording head for high-density optical disks: High-density optical data storage comprising multi-layer optical disc and multi-wavelength reading/recording head, wherein the reading/recording head utilizes a single-mode optic fiber connecting the head with remote short-wavelength laser and acousto-optical (AO) cells that allow precisely positioning the focused light spot on the track and filtering the specific wavelength from multi-wavelength... Agent: Gennadii Ivtsendov

20090201789 - Optical head device for forming light spot on disc-shaped information medium: An optical head device has at least one upward-reflecting mirror, objective lenses, an objective lens actuator, and a moving mechanism. The upward-reflecting mirror receives an incident luminous flux having a wavelength emitted from a semiconductor, and changes its direction. The objective lenses having mutually different numerical apertures condenses the luminous... Agent: Wenderoth, Lind & Ponack L.L.P.

20090201790 - Operating current modifying device and method: An operating current modifying device is provided for a power generating element. The power generating element generates an output power when the operating current is larger than a threshold current in the power generating element. A functional relationship is between the threshold current and the temperature of the electrical device.... Agent: Perkins Coie LLP Patent-sea

20090201791 - Optical pickup apparatus: An optical-pickup apparatus comprising: a polarization beam splitter fixed to a base, which includes a first prism that laser light emitted from a laser diode enters, a second prism that return light of the laser light reflected from a signal recording layer of an optical disc enters, and a control... Agent: Fish & Richardson P.C.

20090201792 - Optical disc recording device, recording method, optical disc, and optical disc playback device: An optical disc recording device includes a recording unit configured to apply optical beams, on an optical disc on which a main-data sequence is recorded in advance by forming recording marks and spaces having lengths corresponding to the main-data sequence on a track center line on an information recording surface... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090201793 - Master substrate and method of manufacturing a high-density relief structure: The present invention relates to a recording stack for obtaining a high-density relief structure, comprising: a first recording layer (10) on top of a second recording layer (12), the recording layers being supported by a substrate layer (14), wherein, upon projecting light on the recording layers, a local interaction of... Agent: Muncy, Geissler, Olds & Lowe, PLLC

  
08/13/2009 > patent applications in patent subcategories. inventions list

20090201775 - Optical disc apparatus and method for discriminating optical disc: This invention improves the accuracy of wobble signal detection for disc discrimination and reduces discrimination errors due to noise. In an optical disc apparatus, a wobble signal generator creates a wobble signal from an electrical signal which has been obtained from conversion by a pickup. A bandpass filter (BPF) is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090201776 - Optical information recording device and recording correction calculation method: When recording recording information by forming on a recording medium a recording mark whose mark length is an integral multiple of the reference mark length according to a recording signal generated from a recording information signal, this method performs a process of: generating, after recording compensation recording information on the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090201777 - Optical pickup apparatus, reproducing apparatus, recording apparatus, and tracking error signal generation method: An optical pickup apparatus, a reproducing apparatus, a recording apparatus, and a tracking error signal generation method are provided. Four light-receiving elements receive stray light of main and sub beams reflected from, out of a plurality of recording layers of the optical disk, the one other than that for effecting... Agent: Morrison & Foerster LLP

20090201779 - Novel reading inhibit agents: Disclosed is an optical disk, card or media which comprises: a) a plurality of data structures that are readable by the interrogating beam of light; and b) a composition on or in the optical disk, card or media disposed so that when the optical disk, card or media is used... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20090201778 - Optical disk playback device: An optical disk playback device includes a control means (an LSI 5 for system control) for performing a track search according to contents information, comparing a current track start point position at the time after performing the track search with a target track start point position, when the comparison result... Agent: Birch Stewart Kolasch & Birch

20090201780 - Optical disc, optical disc recording apparatus, and optical disc recording method: Drive information is updated to always include the recording/playback conditions determined from the most recent learning process on a data recording medium. The data recording medium has a data recording area for recording data, and a drive information area for recording drive information. The drive information includes a plurality of... Agent: Wenderoth, Lind & Ponack L.L.P.

20090201781 - Method and product for copy protection of optical discs using unbalanced dc content: The present invention relates to a method of copy protecting optical discs, such as CDs or DVDs. Instead of encoding data onto the CD-ROMs in a conventional manner which ensures balanced dc content, for copy protection the digital data is encoded and recorded onto the optical disc such that it... Agent: Morrison & Foerster LLP

20090201783 - Apparatus and method to set a rotation rate for an optical and holographic data storage medium: A method to set a rotation rate for an optical holographic data storage medium by determining if the optical storage layer comprises an alternating series of lands and grooves. If the optical storage layer does not comprise an alternating series of lands and grooves, the method rotates the optical holographic... Agent: Dale F. Regelman Quarles & Brady, LLP

20090201784 - Apparatus and method to store and retrieve information using an optical holographic data storage medium: A method using an optical holographic data storage medium and an optical holographic data storage drive, comprising removeably disposing the optical holographic data storage medium in the optical holographic data storage drive, and determining whether to write information to the holographic data storage layer, and/or whether to read information from... Agent: Dale F. Regelman Quarles & Brady, LLP

20090201782 - Holographic disk with optical-notch-filter label: A holographic disk, including: a holographic recording layer and a servo-tracking layer, the holographic recording layer separated from the servo-tracking layer by a dichroic mirror that prevents a data I/O laser from accessing the servo-tracking layer while allowing a servo-tracking laser to access embedded servo tracks; a transparent cover layer... Agent: Carpenter & Associates

20090201786 - Optical element and objective optical system: h

20090201785 - Optical pickup and optical disc drive: An optical pickup has a semiconductor laser device that can emit laser beams with different wavelengths. A beam splitter and objective lens direct the emitted beam onto a rotating optical disc. Reflected light returns through the objective lens and beam splitter to a photodetector. A pair of liquid crystal elements... Agent: Birch Stewart Kolasch & Birch

20090201787 - Pickup device: A pickup device includes an irradiation optical system including an object lens for focusing light flux on a track of a recording surface of an optical recording media having a plurality of recording layers stacked while a spacer layer is interposed between the recording layers to form a spot and... Agent: Sughrue Mion, PLLC

20090201788 - Acousto-optic reading/recording head for high-density optical disks: High-density optical data storage comprising multi-layer optical disc and multi-wavelength reading/recording head, wherein the reading/recording head utilizes a single-mode optic fiber connecting the head with remote short-wavelength laser and acousto-optical (AO) cells that allow precisely positioning the focused light spot on the track and filtering the specific wavelength from multi-wavelength... Agent: Gennadii Ivtsendov

20090201789 - Optical head device for forming light spot on disc-shaped information medium: An optical head device has at least one upward-reflecting mirror, objective lenses, an objective lens actuator, and a moving mechanism. The upward-reflecting mirror receives an incident luminous flux having a wavelength emitted from a semiconductor, and changes its direction. The objective lenses having mutually different numerical apertures condenses the luminous... Agent: Wenderoth, Lind & Ponack L.L.P.

20090201790 - Operating current modifying device and method: An operating current modifying device is provided for a power generating element. The power generating element generates an output power when the operating current is larger than a threshold current in the power generating element. A functional relationship is between the threshold current and the temperature of the electrical device.... Agent: Perkins Coie LLP Patent-sea

20090201791 - Optical pickup apparatus: An optical-pickup apparatus comprising: a polarization beam splitter fixed to a base, which includes a first prism that laser light emitted from a laser diode enters, a second prism that return light of the laser light reflected from a signal recording layer of an optical disc enters, and a control... Agent: Fish & Richardson P.C.

20090201792 - Optical disc recording device, recording method, optical disc, and optical disc playback device: An optical disc recording device includes a recording unit configured to apply optical beams, on an optical disc on which a main-data sequence is recorded in advance by forming recording marks and spaces having lengths corresponding to the main-data sequence on a track center line on an information recording surface... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090201793 - Master substrate and method of manufacturing a high-density relief structure: The present invention relates to a recording stack for obtaining a high-density relief structure, comprising: a first recording layer (10) on top of a second recording layer (12), the recording layers being supported by a substrate layer (14), wherein, upon projecting light on the recording layers, a local interaction of... Agent: Muncy, Geissler, Olds & Lowe, PLLC

  
08/06/2009 > patent applications in patent subcategories. inventions list

20090196126 - Method for buffering audio data in optical disc systems in case of mechanical shocks or vibrations: Method for buffering audio data in optical recording media, and apparatus using such method for reading from and/or writing to optical recording media in case of an error condition (e.g. upon shock or vibration). It comprises the steps of, as audio data is read from a position on the medium... Agent: Thomson Licensing LLC

20090196127 - Optical recording head and optical recording apparatus: Provided is an optical recording head in which a light beam from a light source is collected by an optical element and reflected on a reflecting surface to be formed into a spot light. Since a support portion for supporting the light source of the optical element at a predetermined... Agent: Sidley Austin LLP

20090196128 - Thermally assisted recording systems with low loss light redirection structure: A system according to one embodiment comprises a slider having a first light channel and a second light channel, the first and second light channels having axes oriented at an angle relative to each other, the angle being less than 180 degrees; and a reflection portion adjacent an exit of... Agent: Zilka-kotab, PC- Hit

20090196129 - Atmospheric pressure measuring apparatus and method of measuring atmospheric pressure: An atmospheric pressure measuring apparatus allows a transmitter to transmit an acoustic wave for measurement of the atmospheric pressure. Air propagates the acoustic wave. A receiver receives the acoustic wave. Since the intensity of the acoustic wave changes to follow the variation of the atmospheric pressure, the atmospheric pressure can... Agent: Fujitsu Patent Center C/o Cpa Global

20090196130 - Information recording/reproducing apparatus: Before start of recording/reproduction, an optical disk DK is searched once. On the basis of a radial acceleration component in a tracking error signal Ste, an area where a mechanical distortion occurs in the optical disk DK is specified. At the time of actually recording/reproducing data to/from the optical disk... Agent: Drinker Biddle & Reath (dc)

20090196131 - System and method for printing visible image onto optical disc through tuning driving signal of optical pick-up unit: A system and method for printing a visible image onto an optical disc through tuning a driving signal of an optical pick-up unit are disclosed. The system includes a driving circuit, coupled to the optical pick-up unit, for providing a driving signal to drive the optical pick-up unit; and an... Agent: North America Intellectual Property Corporation

20090196132 - Method for improving focus accuracy of an optical pickup head: The present invention discloses a method used in an optical disk drive for improving focus accuracy of an optical pickup head. Firstly, during each one revolution of the optical disk, RFinitial, RFfirst and RFsecond are calculated respectively when the optical disk drive are driven by FOOinitial′, FOOfirst and FOOsecond respectively.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090196133 - Signal processing apparatus for optical disc and method thereof: A signal processing apparatus for an optical disc with a first type region and a second type region includes a processing module and a determining unit. The processing module is used for transforming an input signal to generate a first output signal according to a first amplifying gain, or to... Agent: North America Intellectual Property Corporation

20090196134 - Reproduction unit and reproduction method in reproduction unit: According to one embodiment, a reproduction unit of a recording medium in which in a field where a pattern signal repeated by a fixed frequency is recorded, reproduction data is recorded so that an integral multiple of a minimum unit of a pattern thereof is a one-byte unit, the reproduction... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090196135 - Write-once optical disc, and method and apparatus for recording/reproducing data on/from the optical disc: A write-once recording medium structure and an apparatus and method for recording final management information on the recording medium, are provided. The recording medium includes a temporary defect management area (TDMA) and a defect management area (DMA). The method includes transferring information recorded in the TDMA to the DMA of... Agent: Birch Stewart Kolasch & Birch

20090196136 - Recordable type information recording medium, information recording apparatus, and information recording method: In a recording disc, a straight groove (31) and a position determining pit (33) are formed in an inner circumference area (21), and a straight groove (34) and an over-run preventing pit (36) are formed in an outer circumference area (22), and only a straight groove (37) is formed over... Agent: Young & Thompson

20090196137 - Method of detecting bad servo track in hard disk drive: A method of detecting a bad servo track of an HDD includes measuring servo AGC of each of servo sectors of a servo track requiring determination of badness, calculating statistic data with respect to the measured servo AGC of each servo sector, and determining whether the servo track is bad... Agent: Stanzione & Kim, LLP

20090196138 - Information recording apparatus and control method thereof: According to one embodiment, in one embodiment of the invention, a laser drive circuit is provided with a first current source, a second drive current source, and a third current source. The control section selectively obtains a plurality of laser light use mode of controlling the from first to third... Agent: Knobbe Martens Olson & Bear LLP

20090196139 - Apparatus, system, and method for locating and fast-searching units of digital information in volume, optical-storage disks: An apparatus, system, and method are disclosed to locate a group of units of digital information in a volume, optical-storage disk. The apparatus includes a first optical recording layer, a second optical recording layer, and an optical disk reading sled. The first optical recording layer stores a first group of... Agent: Kunzler & Mckenzie

20090196142 - Information recording medium, information recording method, and information recording and reproducing apparatus: According to one embodiment, in an information recording medium for which a phase change material is used and in which information is recorded on, reproduced from, and erased from a recording layer by light irradiation, a recrystallization width WR at a periphery of an amorphous recording mark formed on the... Agent: Knobbe Martens Olson & Bear LLP

20090196140 - Optical disc, optical disc manufacturing method, optical disc recording device and optical disc reproduction device: Sub-information necessary to reproduce main information is recorded without deteriorating the reading accuracy of the main information, so that the illegal duplication of an optical disc is prevented. An optical disc 1 is produced by forming a reflective film 1L on concave and convex marks MK after the concave and... Agent: Wenderoth, Lind & Ponack L.L.P.

20090196141 - Optical recording medium, method for utilizing dye compound and visible information recording method: An optical recording medium has a constitution wherein a visible information recording medium section and an information recording medium section are bonded through a bonding layer. The visible information recording medium section has a constitution wherein a visible information recording layer, a first reflection layer and a first protection layer... Agent: Sughrue Mion, PLLC

20090196144 - Method and system for command-ordering and command-execution within a command group for a disk-to-disk-to-holographic data storage system: A system, method and computer program product for managing command ordering and command execution for a host-Disk-to-intermediate-Disk-to-Holographic (D2D2H) data storage system. Specifically, a command ordering and execution (COE) utility selects the command group from a command queue. A determination is made whether the command group includes a write command for... Agent: Dillon & Yudell, LLP

20090196143 - Method and system for command-ordering for a disk-to-disk-to-holographic data storage system: A system, method and computer program product for managing command ordering for a host-Disk-to-intermediate-Disk-to-Holographic (D2D2H) data storage system. Specifically, a command ordering detects a command from a host system. A hologram segment associated with the detected command is identified and a determination is made whether the hologram segment is an... Agent: Dillon & Yudell, LLP

20090196145 - Optical information recording/reproducing apparatus, optical information reproducing apparatus, and optical information recording medium: An optical information recording/reproducing apparatus includes an irradiation optical system of an information beam to an optical information recording medium that can record information as hologram by using interference fringes produced due to interference between the information beam that carries the information and a reference beam; a first light-reducing element... Agent: Turocy & Watson, LLP

20090196146 - Optical pickup apparatus: An optical pickup apparatus comprising: a diffraction grating that a laser beam enters, the diffraction grating being configured to generate a main beam that is 0th order light and sub-beams that are +1st order diffracted light and −1st order diffracted light; an objective lens configured to focus the main beam... Agent: Fish & Richardson P.C.

20090196148 - Master recording apparatus and master recording method: According to one embodiment, the invention provides a master recording apparatus and method which can form a pit having a symmetrical pit shape with excellent reproducibility. An embodiment of the invention is a master recording apparatus where a resist film on a master for an optical disk is irradiated with... Agent: Knobbe Martens Olson & Bear LLP

20090196147 - Optical pickup apparatus: An optical pickup apparatus for information recording and/or reproduction on different optical information recording media with compatibility among these media, the optical surface of a first objective lens and the optical surface of a second objective lens are formed only of a refractive surface. The second objective lens is used... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090196150 - Multi-stage lens driving device: A multi-stage lens driving device for driving an optical lens so as to perform the functions of zooming and/or focusing comprises: a front cover, a rear cover, a plurality of yokes, a plurality of driving coils, a lens seat, and a plurality of permanent magnets. The front cover is a... Agent: Raymond Sun

20090196149 - Optical pickup apparatus: In order to provide an optical pickup apparatus that has a relatively simple configuration and that can carry out recording and/or reproduction of information in a s compatible manner for different optical information storage medium, the optical surface of the first objective lens OBJ1 is formed only by a refracting... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090196151 - Optical pickup device, optical pickup controller and optical pickup control method: An optical pickup device such that the driving force of the drive unit provided on the same optical base as that of the objective lens exerts no adverse influence on controlling of the objective lens is provided. The optical pickup device 1 has an objective lens 11 that condenses laser... Agent: Sidley Austin LLP

20090196152 - Quarter-wave plate, and optical pickup device: A quarter-wave plate includes a base member including a ridge and trough periodic structure with a structural period of λmin/2<P<λmin arranged on one side of the base member, where λmin is the minimum wavelength among the wavelengths of a plurality of light fluxes which pass the quarter-wave plate. In the... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090196153 - Tracking error signal generation method and optical disc apparatus: q

20090196154 - Method for manufacturing a bearing mechanism, electric motor and storage disk drive apparatus: A method for manufacturing a bearing mechanism used in an electric motor includes (a) inserting an annular member into a substantially cylindrical closed-bottom cup member to bring a first end portion of a shaft fitted to the annular member into contact with a thermoplastic resin member arranged on an inner... Agent: Volentine & Whitt PLLC

20090196156 - High-speed optical disk drive: If the read speed is increased while high-frequency modulated carrier is fixed at a constant frequency, it becomes difficult to separate the read signal from the carrier by using bandwidth limitation of the analog system because the upper limit of the read signal band nears to the carrier frequency. Moreover,... Agent: Mattingly & Malur, P.C.

20090196155 - Information recording medium: An information recording medium (10, 301) contains content information and a judging program which is executed by an information reproducing device for reproducing the content information and judges whether the information reproducing device is authorized.... Agent: Young & Thompson

20090196157 - Information recording medium: According to one embodiment, an information recording medium includes a substrate, a phase-change recording layer formed on the substrate, and a reflecting layer formed on the phase-change recording layer. The phase-change recording layer contains tellurium and antimony or bismuth as main components, has a crystallization rate of 2 to 10... Agent: Knobbe Martens Olson & Bear LLP

20090196158 - Optical disk for an identification element: c

20090196159 - Write-once information recording medium and disk apparatus: According to one embodiment, a write-once information recording medium includes a transparent resin substrate having concentric or spiral grooves and lands, and a recording film formed on the grooves and lands of the transparent resin substrate, wherein the recording film includes an organic dye layer containing a metal complex monomer... Agent: Knobbe Martens Olson & Bear LLP

20090196160 - Coating for optical discs: An energy-curable flowable coating composition comprising a surface treated inorganic nanoparticle, a photoinitiator, and at least one energy-curable monomer, oligomer or resin. The energy-curable flowable coating can be used as a covering layer of optical discs, and is especially suited for use as a 100 micron cover layer of a... Agent: Zuber & Taillieu LLP

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