Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
07/1996
07/23/1996US5539723 Method, apparatus, and medium for recording information in data sections having number of bytes which increase in circumference of tracks on medium
07/23/1996US5539718 Optical head for controlling light irradiation in a magneto-optical recording and/or reproducing apparatus
07/23/1996US5539716 Optical recording disc with compressed audio PCM data interleaved with video data
07/23/1996US5539710 Video optical disk system compatible with both read only and writable optical disks having the same recording format
07/23/1996US5539588 Magnetic recording/reproducing with added intersymbol interference to obtain a partial-response code
07/23/1996US5539587 Digital signal recording apparatus having sampling rate converter
07/23/1996US5539586 Method and apparatus for recording digital data on a recording medium by recording ODD-numbered and even-numbered data segments and compressed digital data in distinct recording regions
07/23/1996US5539585 Apparatus for recording an information signal in a normal record mode and an edit mode
07/23/1996US5539340 In an electric input signal
07/23/1996US5538773 Optical recording medium and the reproducing apparatus for the optical recording medium
07/18/1996WO1996021896A1 Disk array sub-system
07/18/1996WO1996006426A3 Apparatus for recording and/or reproducing video signals and audio signals in/from inclined tracks on a magnetic tape, and magnetic tape for such apparatus
07/17/1996EP0722141A2 Failure prediction for disk arrays
07/17/1996EP0466908B1 Method and apparatus for data interleave with pseudo-randomized resynchronization
07/17/1996CN1127049A Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium
07/17/1996CN1126909A Digital signal processing method and device and recording medium
07/17/1996CN1126907A Information encoding method and apparatus, information decoding method and apparatus and reocrding medium
07/17/1996CN1126875A Disc player
07/17/1996CN1126870A Multi-track helical scanning system
07/17/1996CN1126845A Camera having magnetic recording head
07/17/1996CN1032336C Volume format information
07/16/1996US5537658 Distributed directory method and structure for direct access storage device (DASD) data compression
07/16/1996US5537652 Data file directory system and method for writing data file directory information
07/16/1996US5537578 Transparent driving partition for processing logical volumes to be recorded onto optical media
07/16/1996US5537537 Disc driving apparatus
07/16/1996US5537534 Disk array having redundant storage and methods for incrementally generating redundancy as data is written to the disk array
07/16/1996US5537493 Apparatus for compressing image data employing entropy encoding of data scanned from a plurality of spatial frequency bands
07/16/1996US5537422 Synchronization signal detector, synchronization signal detecting method and demodulator
07/16/1996US5537387 Information storage disk with display data recorded in a lead-in region and an apparatus for recording and/reproducing the disc
07/16/1996US5537382 Partial response coding for a multi-level optical recording channel
07/16/1996US5537381 Test-writing recording control method and test-writing recording control apparatus and optical recording medium
07/16/1996US5537379 Optical data storage and retrieval system and method
07/16/1996US5537375 Optical information control device and synchronizing method thereof
07/16/1996US5537370 Magnetooptical-disk recording and/or reproducing apparatus for a 5.25 inch large capacity magnetooptical-disk
07/16/1996US5537265 Electronic still camera with automatic mode setting device
07/16/1996US5537264 Method for optimally selecting media transfer rates for different data heads based on individual data head performance
07/16/1996US5537217 Image reproducing device
07/16/1996US5537216 Circuit for including a copy-inhibit signal with a video signal
07/16/1996US5537165 Motion picture film and reproducing device therefor
07/16/1996US5537112 Method and apparatus for implementing run length limited codes in partial response channels
07/16/1996US5537034 Method for mapping thermal asperities of a magnetic recording surface in data storage device
07/16/1996CA2098216C Information reproducing apparatus
07/16/1996CA2044426C Information recording and reproducing device
07/11/1996WO1996021290A1 Audio signal identification using digital labelling signals
07/11/1996CA2209621A1 Audio signal identification using digital labelling signals
07/10/1996EP0721258A2 Digital signal processing method and apparatus, digital signal decoding method and apparatus, digital signal transmission method and recording medium
07/10/1996EP0721257A1 Bit allocation for multichannel audio coder based on perceptual entropy
07/10/1996EP0721185A2 High speed searching of a digital cassette
07/10/1996EP0721182A1 Optical information storage system
07/10/1996CN1126351A Electric level predeterming circuit
07/10/1996CN1126339A Video data bus communication system and method
07/09/1996US5535356 Digital data recording/playback system utilizing EEPROM and ROM memories as a storage medium
07/09/1996US5535339 Dual processor controlled compact disk-interactive system
07/09/1996US5535327 Method and apparatus for communicating formatted data from a mass storage device to a host computer
07/09/1996US5535245 Modulation/demodulation circuit for a digital signal recorder/reproducer
07/09/1996US5535188 Data security protection for information recorded on a rewritable storage medium using a write-once read-many storage medium
07/09/1996US5535187 High capacity run-length-limited coding system employing asymmetric and even-spaced codes
07/09/1996US5535186 Disc recording/reproducing system
07/09/1996US5535183 Optical disk reproducing device and its seek operation method
07/09/1996US5535182 Optical disk apparatus and recording/reproduction method therefor
07/09/1996US5535137 Random access audio/video processor with compressed video resampling to allow higher bandwidth throughput
07/09/1996US5535125 Navigation system data recordable by user, recording medium thereof, and methods for recording/reproducing to/from the same
07/09/1996US5535069 Very high-density diskette format method and computer-implemented process
07/09/1996US5535068 Helical scan method and apparatus for adjusting media speed to read non-native formats
07/09/1996US5535067 Frequency controlled reference clock generator
07/09/1996US5535066 Automatic monitoring method for a video cassette recorder
07/09/1996US5535065 Recording and reproducing apparatus having means for performing diagnostic functions
07/09/1996US5535018 Information processing apparatus
07/09/1996US5534928 Apparatus and method for decoding a plurality of encoded video signals
07/09/1996CA2050152C Transducer head skew arrangement for disk drive system
07/04/1996WO1996020567A1 Memory controller for decoding and displaying compressed video data
07/04/1996WO1996020557A1 Picture information encoding/decoding system
07/04/1996WO1996020536A1 Interleaving with low-speed memory
07/04/1996WO1996020474A2 A method and device for use with helical scan data recording by implementing a reed-solomon product code, a unitary medium comprising such data, and a cassette comprising such medium
07/04/1996WO1996020472A2 System and method for encoding a servo address
07/04/1996WO1996020450A1 Low power filter coefficient adaptation circuit for digital adaptive filter
07/04/1996WO1996010254A3 Improved timing recovery for synchronous partial response recording
07/03/1996EP0720378A2 Data reproducing method and apparatus
07/03/1996EP0720364A2 Method for recording and/or reproducing data onto a digital video tape
07/03/1996EP0720347A2 Image information encoding/decoding system
07/03/1996EP0720307A2 Digital audio signal coding and/or decoding method
07/03/1996EP0720302A2 Code modulation method, code demodulation method, and code detection method
07/03/1996EP0720166A2 Data reproducing device
07/03/1996EP0720157A2 Video compact disc drive
07/03/1996EP0719485A1 Access control for portable data storage media
07/03/1996CN1126005A Error correctable data transmission method and device based on semi-cyclic codes
07/03/1996CN1126004A Method and device for encoding information, method and device for decoding information, information transmitting method, and information recording medium
07/03/1996CN1125994A Record carrier and device for reading such a record carrier
07/03/1996CN1125886A Apparatus and method for replaying digital video and audio signal and preventing from unlegel copy
07/02/1996US5533190 Method for maintaining parity-data consistency in a disk array
07/02/1996US5533031 Adjustable read channel equalization for error processing in a recordable media drive
07/02/1996US5533003 Recording device capable of detecting the change in length and position of the pit edge
07/02/1996US5532992 Recording and reproducing method for writable type disk driving apparatus
07/02/1996US5532991 Recording and/or reproducing apparatus and method of controlling same
07/02/1996US5532989 For controlling the position of a lens
07/02/1996US5532886 Circuit for smoothing a stream of data pulses
07/02/1996US5532885 Magnetic recording/reproducing apparatus having integrated circuit for holding low frequency full wave rectified signal
07/02/1996US5532834 Video cassette recorder capable of automatically removing interferences between a recording signal and a broadcast signal
07/02/1996US5532586 Method and apparatus for detecting magnetic disk defects using a complete disk erasure magnet
06/1996
06/27/1996WO1996019807A2 Multilayer record carrier and device for scanning said carrier