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Dynamic information storage or retrieval November recently filed with US Patent Office 11/12

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.
11/29/2012 > 11 patent applications in 9 patent subcategories.

20120300599 - Channel-source laser-pulsing system architecture for thermal-assisted recording: A method and apparatus for generating a laser signal for driving a laser used in thermal-assisted recording. A channel of a hard drive generates a high-frequency component of the laser signal—e.g., a periodic wave or series of pulses—and synchronizes the phase of the laser signal with a corresponding write data... Agent:

20120300600 - Thermally assisted magnetic recording medium and magnetic recording and reproducing device: A thermally assisted magnetic recording medium having a structure in which a first magnetic layer 106 and a second magnetic layer 107 are formed on a substrate 101 in this order, wherein the first magnetic layer 106 has a granular structure containing a FePt alloy having a L10 structure, a... Agent: Showa Denko K.k.

20120300601 - Optical recording medium, recording device, and recording method: An optical recording medium includes: N recording layers (where N≧4); a number of kinds of layer intervals between the recording layers adjacent to each other being an integer M equal to or less than a minimum integer equal to or more than log2(N); and one or more AB blocks including... Agent: Sony Corporation

20120300602 - Optical information processing device and tracking control method thereof: An optical information device used with a grooveless multilayer disc including multiple recording layers used to record and reproduce information signals and a guide layer dedicated to detect tracking error signals (TES) can always stably detect the TESs when the distance between the recording layer and guide layer varies due... Agent: Hitachi Media Electronics Co., Ltd.

20120300604 - Disk drive: A disk drive determines, from eccentric amounts of individual prescribed rotation phases for one round of an optical disk 1, a rotation phase range in which a lens shift amount after tracking pulling-in of an object lens constituting an optical pickup 3 does not exceed a movable range of the... Agent:

20120300603 - Optical disc apparatus and method of controlling the same: An optical disc apparatus includes an optical pickup unit which reads data recorded on an optical disc and converts the data into a radio frequency (RF) signal. A defect detection unit detects a defect on the optical disc using the RF signal output from the optical pickup unit. A servo... Agent: Samsung Electronics Co., Ltd.

20120300605 - Circuit for preventing destruction of semiconductor laser element, and optical disc device provided with the circuit: A circuit for preventing destruction of a semiconductor laser element of an optical disc device comprises a light-emission-directing circuit part for outputting a light-emission-directing signal for directing the semiconductor laser element to emit light; a voltage-monitoring circuit part for monitoring a light-emitting voltage and, when a judgment is made that... Agent: Funai Electric Co., Ltd.

20120300606 - Current driver damping circuit: Various apparatuses, methods and systems for damping a current driver are disclosed herein. For example, some embodiments provide an apparatus for supplying current, including an output transistor connected between a voltage supply and a current output, and an active clamp connected between the current output and a current sink. The... Agent: Texas Instruments Incorporated

20120300607 - Information reproduction device and information reproduction method: According to the present invention, an information reproduction device and an information reproduction method are provided, which are capable of reproducing data using temporary management information that is identified by a simple way of specification. In the present invention, the control receives temporary management information identifying information, searches for and... Agent: Panasonic Corporation

20120300608 - Apparatus and method for irradiating a medium: A method for irradiating a medium with a wave which is designed to focus on a particular portion in the medium, the method includes: irradiating the medium with an electromagnetic wave which is scattered in the medium, and is not designed to focus on the particular portion in the medium;... Agent: Canon Kabushiki Kaisha

20120300609 - Recording medium, reproduction and recording method, reproduction and recording device: Obtain an expanded address without altering the bit number of an address which is embedded in a wobble. Generate a virtual bit which is not recorded on a disc, and which is expressed by the disparity from the rules and the presence or absence of information embedded in part or... Agent:

11/22/2012 > 11 patent applications in 10 patent subcategories.

20120294127 - Medium delivery control apparatus, medium delivery control method and program: Provided is a medium delivery control apparatus that can prevent the wear of a means relating to the delivery of a recording medium and extend the life of the delivery means. The medium delivery control device controls a medium delivery means for connecting, disconnecting and delivering the recording medium with... Agent: Nec Embedded Products, Ltd.

20120294128 - Recording apparatus and servo control method: A recording apparatus includes the following elements. A recording light source emits pulse laser light for recording. A first light source emits first CW laser light. An irradiation optical system irradiates an optical recording medium with the pulse laser light and the first CW laser light via an objective lens... Agent: Sony Corporation

20120294129 - Optical disc apparatus: r

20120294130 - Data storage device: According to one embodiment, a data storage device includes a data recording medium, a light source, and following units. The light application unit splits the laser beam from the light source, and applies the first and second light beams to the data recording medium from different directions. The light detection... Agent: Kabushiki Kaisha Toshiba

20120294131 - Reproducing method and reproducing apparatus: A reproducing method includes: irradiating a laser spot for servo to which astigmatism making up a generally 45-degree angle in the tangential direction of an information recording track has been applied, and one or more laser spots for reproduction, onto a recording medium where a track group is formed with... Agent: Sony Corporation

20120294132 - Optical disc recording device and optical disc recording method: Provided is an optical disc apparatus and an optical disc recording method, in which it is decided whether or not an optical disc recording medium is one of DVD-RW and DVD+RW when data is recorded in the medium. If it is decided that the medium is one of DVD-RW and... Agent: Funai Electric Co., Ltd.

20120294133 - Optical pickup, optical disk drive device, optical information recording device, and optical information reproduction device: An optical pickup, an optical disk drive device, an optical information recording device, and an optical information reproduction device in which a reproduction signal, a focus error signal, and a gap error signal can be detected with high accuracy when information is recorded/reproduced on/from an optical information medium having a... Agent:

20120294134 - Optical disc device: Even when a first differentiation value is equal to or greater than a first threshold value, this optical disc device does not confirm “CD” to be the differentiation result, as long as a first focus error signal FE1 or a first focus sum signal FS1 is less than a second... Agent: Funai Electric Co., Ltd.

20120294135 - Optical information recording method, optical information recording device, optical information reproduction method, optical information reproduction device, and optical information recording medium: Information is recorded and reproduced with high quality by all of the information layers of an optical information recording medium. A recording wavelength generator (112) selects control parameters of a recording pulse sequence for forming marks, on the basis of combinations of a mark length of a mark, a first... Agent:

20120294136 - Generation method for complex amplitude in-line hologram and image recording device using said method: A method for generating a complex amplitude in-line hologram and an image recording device using said method makes it possible to realize high-speed processing and high-speed recording from a single off-axis hologram without limiting the spatial frequency band and without creating errors from interpolation. The complex amplitude in-line hologram is... Agent: Hyogo Prefectural Goverment

20120294137 - Ferroelectric read head: An apparatus can include a read head formed in a semiconductor layer of an air bearing surface, the read head comprising a channel region formed between a source and drain which are doped to a higher conductivity than the channel region; wherein the channel region is configured to generate a... Agent: Seagate Technnology International

11/15/2012 > 5 patent applications in 5 patent subcategories.

20120287764 - Disk with embedded flash memory and disc drive: A disc has an outer section on which digital media can be recorded and a core in its center in which a flash memory is embedded with the core having a central hole and electrical contacts to the flash memory. A disc drive has a drive spindle that is to... Agent: International Business Machines Corporation

20120287765 - Optical head and optical drive device: The present invention provides a unit and method for implementing an optical head and optical drive device whose configuration is simple, and which allows the generation of a track error signal in which no offset is caused to occur. The optical drive device includes a light source for emitting light... Agent:

20120287766 - Optical pickup device and optical disc device: An optical pickup device includes a light source, a collimator lens, an objective lens, a photodetector, and a light shielding member. Among the recording layers of the optical disc, a first layer and a second layer adjoining each other are disposed in the order of the first layer and second... Agent: Panasonic Corporation

20120287767 - Diffraction grating, aberration correction element and optical head device: There is provided a diffraction grating including a convex portion and a concave portion which are used for lights having different wavelengths λ1, λ2 and λ3 and are alternately disposed on at least one surface of a substrate with a predetermined pitch. An average refractive index of the convex portion... Agent: Asahi Glass Company, Limited

20120287768 - Disk with embedded flash memory and disc drive: A disc has an outer section on which digital media can be recorded and a core in its center in which a flash memory is embedded with the core having a central hole and electrical contacts to the flash memory. A disc drive has a drive spindle that is to... Agent: International Business Machines Corporation

11/08/2012 > 7 patent applications in 7 patent subcategories.

20120281512 - Binary anisotropy media: A method of writing binary data comprising (i) heating a magnetic microstructure from an initial temperature to an above-ambient temperature that is not less than a transition temperature for the magnetic microstructure, which causes a phase transition interlayer of the magnetic microstructure to transition from an antiferromagnetic phase to a... Agent: Carnegie Mellon University

20120281513 - Recording apparatus, recording method, and optical recording medium: [Solving Means] First laser light is irradiated onto an optical recording medium in which a plurality of resin layers are formed while the first laser light is focused on a boundary surface of the resin layers, to thus record hole marks onto the boundary surface. Since a recording sensitivity of... Agent: Sony Corporation

20120281514 - Method and system for equalizing holographic data pages: Methods and systems for equalizing a holographic image page and for compensating nonlinearity of a holographic data storage channel are disclosed. In one embodiment, a method for equalizing a holographic image page includes receiving the holographic image page and dividing the holographic image page into a plurality of local image... Agent: Inphase Technologies, Inc.

20120281515 - Disc drive system: A disc drive may provide data communications to a host using a universal serial bus (“USB”) interface. Activation of the USB interface may be triggered upon insertion of a disc into the disc drive. A connection unit may activate the USB interface by providing power to the USB interface when... Agent: Harman Becker Automotive Systems Gmbh

20120281516 - Optical pickup and optical information storage medium system using the same: An optical pick-up is provided. The optical pick-up includes a light source, a first objective lens configured to focus light emitted from the light source on a high-density optical information storage medium, a photo-detector configured to detect a signal by receiving light reflected from the high-density optical information storage medium,... Agent:

20120281517 - Objective lens driving unit and optical pickup device using the same: An objective lens driving unit is provided and includes a moving structure having an objective lens and a plurality of driving coils, a permanent magnet and a yoke structure to correspond to the driving coils, a wire holder coupled to the yoke structure and having a plurality of wiring layers... Agent:

20120281518 - Optical pickup: An optical pickup has an objective lens that is shared for light of three wavelengths. The effective diameter of the light that passes through the objective lens decreases in a sequence of the light of a first wavelength (light for a first optical disk), the light of a second wavelength... Agent:

11/01/2012 > 14 patent applications in 10 patent subcategories.

20120275277 - Audio mixing method and audio mixing apparatus capable of processing and/or mixing audio inputs individually: An audio mixing method includes: performing an audio processing operation upon a first audio input derived from at least one decoded audio input to generate a processed audio output, and generating a mixed audio signal by mixing at least a second audio input and the processed audio output. An audio... Agent:

20120275278 - Systems and methods for data write loopback based timing control: Various embodiments of the present invention provide systems and methods for data writing. As an example, a heat assisted loopback circuit is discussed that includes: a read circuit, a magnetic write circuit, a heat write circuit, and a loopback circuit. The read circuit is operable to sense data from a... Agent: Lsi Corporation

20120275279 - Systems and methods for laser write control: Various embodiments of the present invention provide systems and methods for data writing. As an example, a heat assisted data write circuit is discussed that includes a heat write output, a magnetic write output, and a variable phase shift circuit operable to modify a relative phase of the heat write... Agent: Lsi Corporation

20120275280 - Thermally-assisted magnetic recording head, head gimbal assembly and magnetic recording device: A thermally-assisted magnetic recording head includes: a pole that generates a writing magnetic field from an end surface that forms a part of an air bearing surface that opposes a magnetic recording medium; a waveguide that propagates light to excite surface plasmon; and a plasmon generator that is provided between... Agent: Tdk Corporation

20120275281 - Data recording and reproducing apparatus and data library device: A data recording and reproducing apparatus relative to a data library device includes a plurality of setup units for recording and reproducing data in a record and reproduction condition appropriate to a recording medium, and a storage unit for storing identification information and medium information of the recording medium, in... Agent:

20120275282 - Device and method for reproducing digital signal and device and method for recording digital signal: A technique capable of realizing a power saving in a device for reproducing/recording digital signals by controlling a frequency of a clock. The device for reproducing/recording digital signals includes: a difference comparing circuit for comparing a first parameter updated each time a process for one correcting block is done in... Agent: Renesas Electronics Corporation

20120275283 - Recordable optical recording carrier and method for manufacturing recordable optical recording carrier compatible with cd-r: An optical recording carrier including, in a data recording area, a continuous-grooved main track for recording primary data to be stored, and a subtrack for recording control data including parameter data and address information. The control data includes a clock signal needless to be provided by the main track. The... Agent: Princo Corp.,

20120275284 - Optically-readable article with electro-optical access control device: An optically-readable disk includes a device that disrupts readability of the disk when the disk is spun at an angular velocity substantially greater than required to play the disk in its intended playing device, or when a defined integral of velocity and time is exceeded. The device may include a... Agent:

20120275287 - Coupling of hard disk drive housing and related methods: A disk drive assembly of the invention comprises: a hard disk drive; a base; and a cover, wherein the base and the cover are mechanically coupled without using essentially any discrete mechanical fasteners to form an enclosed housing comprising internal hard disk drive components between the base and the cover... Agent: Entrotech, Inc.

20120275286 - Hard disk drives encapsulated with polymeric coatings and related methods: Improved hard disk drives of the invention comprise: a housing comprising an exterior surface; disk drive components enclosed within the housing for facilitating reading and recording of data at a desired location on at least one disk contained within the housing; and at least one continuous polymeric coating encapsulating the... Agent: Entrotech, Inc.

20120275285 - Hard disk drives with composite housings and related methods: Improved hard disk drives of the invention comprise a composite housing, wherein the composite housing comprises a base and a cover, wherein at least a portion of the composite housing comprises a laminate of at least one rigid plastic layer and at least one metal coating. Methods for forming the... Agent: Entrotech, Inc.

20120275289 - Light emitting device, optical pickup apparatus and method for manufacturing the same: In the present invention, to improve CD read/write characteristics having poor image height characteristics, a third light emitting source emitting a third laser beam for CD is disposed on an optical axis of an objective lens. Thereby, the third laser beam emitted from the third light emitting source travels along... Agent: Sanyo Electric Co. Ltd.

20120275288 - Optical disc apparatus: An optical disc apparatus includes: a chassis; an optical pickup that is movably disposed on the chassis; a flexible member including wiring, which extends out from the optical pickup; and a wall portion that is provided in a standing manner at one end portion of the chassis. In the optical... Agent: Funai Electric Co., Ltd.

20120275290 - Laser diode write driver: A laser diode write driver is described. This laser diode write driver comprises: a feedback loop coupled for receiving an input current signal, the feedback loop operative for reaching a steady state and comprising a Class AB driver in series with a Class A driver, wherein the feedback loop transmits... Agent:

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