Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
08/1995
08/15/1995US5442492 Data recovery procedure using DC offset and gain control for timing loop compensation for partial-response data detection
08/15/1995US5442491 Synchronizing data tracks using global force windows and track sync counters in a multitrack tape device
08/15/1995US5442454 Recording device for electronic still camera
08/15/1995US5442409 Motion vector generation using interleaved subsets of correlation surface values
08/15/1995US5442315 Bit stream rate asynchronous digital phase-locked loop
08/15/1995CA2042872C Method and means for accessing dasd arrays with tuned data transfer rate and concurrency
08/10/1995WO1995021504A1 Recording device and reproducing device
08/10/1995WO1995021491A1 Method and apparatus for multiplexed encoding of digital audio information onto a digital audio storage medium
08/10/1995WO1995021489A1 Data encoding method and apparatus, data decoding method and apparatus, data recording medium, and data transmission method
08/10/1995DE4403206A1 Protected computer disc allowing information to be destroyed after certain time lapse
08/10/1995DE19503207A1 Common transmission of digital source and control data
08/09/1995EP0666567A1 Arrangement for determining the write quality during magnetic recording
08/09/1995EP0666495A1 Motion picture digital sound system and method
08/08/1995US5440677 Method and apparatus for processing audio and graphic images to create an interleaved file suitable for use as a CD-ROM product
08/08/1995US5440572 Digital signal decoding apparatus and a method thereof having a function of initializing a pass metric for at least one compression block
08/08/1995US5440571 Circuit of addressing a memory buffer for error correction in a digital audio tape recorder
08/08/1995US5440532 Digital signal reproducing apparatus for reproducing digital signals from a recording medium
08/08/1995US5440529 Audio and general digital data recording and/or reproducing apparatus having two interface circuits
08/08/1995US5440474 Magnetic recording disk with equally-spaced servo sectors extending across multiple data bands
08/08/1995US5440434 Reproduced waveform equilizing circuit for thin-film magnetic head
08/08/1995US5440433 Circuit and method for adjusting a data detecting level of a disk driving apparatus
08/08/1995US5440432 Dubbing system for digital information
08/08/1995CA2071845C Method and apparatus for producing customized video recordings
08/03/1995WO1995020814A1 Ultra thin film magnetic recording medium and related method and apparatus for recording and reproducing using spin-polarized electrons
08/03/1995DE4402731A1 Shock-proof optical disc player
08/02/1995EP0665689A2 Recording pattern making method and recording apparatus for compressed moving picture
08/02/1995EP0665550A2 Video reproduction device
08/02/1995EP0665547A2 Encoding and decoding system
08/02/1995EP0665546A2 Sampling frequency converting device and memory address control device
08/02/1995EP0665533A1 Reproducing apparatus
08/02/1995EP0664919A1 Recording medium and appliance for generating sounds and/or images.
08/02/1995EP0576458B1 Recording and/or copying system
08/02/1995EP0370113B1 Optical disc device and reproduction of its clock signal
08/02/1995CN1029437C System for recording/reproducing signals on/from magnetic tape in cassettes
08/01/1995US5438643 Compressed data recording and/or reproducing apparatus and signal processing method
08/01/1995US5438560 Apparatus and method for recording/reproducing optical information and optical disk-shaped recording medium
08/01/1995US5438559 Method for locating physical sectors in a fixed block architecture embedded servo disk file #14
08/01/1995US5438462 Magnetic storage devices with dynamic boost adjustment to reduce read errors
08/01/1995US5438461 Magnetic reproduction apparatus for a camera
08/01/1995US5438460 Asynchronous gain adjustment for PRML disk drive systems
08/01/1995US5438459 Method of processing and recording data while reproducing the same and apparatus for the method
08/01/1995US5438344 Portable video book
07/1995
07/27/1995WO1995020220A1 A device for mixingly recording operation of a cassette
07/27/1995WO1995020219A1 A device for controlling the outputting of voice
07/26/1995EP0664646A2 Digital video and audio signal recording and/or reproducing devices
07/26/1995EP0664538A1 Calibration system with a calibration device for the calibration of a recording arrangement
07/26/1995EP0664506A2 System and method for user definition of data storage device physical format
07/26/1995EP0570420B1 Reproduction device
07/26/1995CN1105795A Design method and device for pure electronic digital sounder
07/25/1995US5437012 System for updating directory information and data on write once media such as an optical memory card
07/25/1995US5436943 Digital audio signal processing circuit
07/25/1995US5436917 Data processing apparatus having error detection/correction codes
07/25/1995US5436916 Error correction by detection of a degree difference between dividend and divisor polynomials used in Euclidean algorithm
07/25/1995US5436882 Method and device for improving digital audio sound
07/25/1995US5436881 Method and apparatus for detecting pulse signal for generating clock from recording medium
07/25/1995US5436879 Recording and reproducing methods of write-once read-many type recording medium
07/25/1995US5436878 Disc recording and/or reproducing apparatus for permitting continuous sector processing at boundaries between recording regions with different recording densities
07/25/1995US5436875 Recording/reproducing apparatus having buffer memory for preventing discontinuity in recording/reproducing operations and method for same
07/25/1995US5436771 Apparatus for correcting a pick-up signal of a digital magnetic recording and reproducing apparatus
07/25/1995US5436770 Disc recording and/or reproducing apparatus having an enlarged locking range for correctly phased internal channel clocks
07/25/1995US5436729 Video signal processing apparatus with automatic picture quality control function and signal processing circuit
07/22/1995CA2138300A1 System and method for user definition of data storage device physical format
07/20/1995WO1995019668A1 A method and system for audio information dissemination using various transmission modes
07/19/1995EP0663741A2 Adaptive digital audio encoding system
07/19/1995EP0663117A1 Timing recovery circuit for synchronous waveform sampling
07/19/1995EP0663085A1 Method and apparatus for reduced-complexity viterbi-type sequence detectors
07/19/1995EP0583416A4 Optical data storage and retrieval system and method.
07/19/1995CN1105498A Television-integated video cassette recorder apparatus
07/18/1995US5434991 Method and apparatus for recording and reproducing information in black on a rewritable recording medium
07/18/1995US5434837 Method of testing a worm type optical disk and system therefor
07/18/1995US5434829 Information reproducing apparatus for properly synchronizing the reproducing of recorded information
07/18/1995US5434725 Magnetic disc driving device for controlling the position of a magnetic head relative to the disc
07/18/1995US5434723 Information data recording/reproducing apparatus
07/18/1995US5434722 Dual interface for disk drives
07/18/1995US5434719 Correction of header information in a magnetic disc drive
07/18/1995US5434717 Read and/or write integrated circuit having an operation timing adjusting circuit and constant current elements
07/18/1995US5434716 Digital video/audio recording and reproducing apparatus
07/18/1995US5434673 Digital information transferring apparatus capable of identifying the type of device supplied with the transferred information
07/18/1995US5434400 Method and apparatus for decoding F2F signals read from a magnetic data carrier
07/18/1995CA2034904C High speed, small diameter disk storage system
07/12/1995EP0662660A1 An improved data storage device and method of operation
07/12/1995EP0560945A4 Adaptive decision feedback equalizer apparatus for processing information stored on digital storage media
07/12/1995CN1029346C Arrangement for recording-clock run-in codewords at beginning of track on magnetic record carrier
07/11/1995US5432801 Method and apparatus for performing multiple simultaneous error detection on data having unknown format
07/11/1995US5432799 Digitally recording data
07/11/1995US5432773 Optically-readable data medium and reading device for such a medium
07/11/1995US5432769 Apparatus for intermittently recording or reproducing variable length coded video data
07/11/1995US5432724 Processor for uniform operations on respective series of successive data in respective parallel data streams
07/11/1995US5432652 Servo and data format for magnetic tape having plural spaced-apart servo areas interleaved with data track areas having serpentine track scanning using any one of a plurality of number of concurrently accessed tracks
07/11/1995US5432651 Data conversion device and recording/reproduction apparatus
07/11/1995US5432647 Copy protection disk format controller
07/11/1995US5432613 Image data processing apparatus and method for processing image data
07/08/1995CA2134016A1 Data storage device and method of operation
07/06/1995WO1995018446A1 Security device for audio equipment
07/06/1995WO1995018443A1 Optical recording medium, reproduction apparatus of optical disk, reproduction method of optical disk, production method of original disk of optical disk, and illegal program operation stop method
07/06/1995DE4446999A1 Control for real=time counter of video cassette recorder
07/05/1995EP0661876A2 Digital signal recording
07/05/1995EP0661852A1 Circuit for the decoding of 2T-precoded binary signals
07/05/1995EP0661819A2 Data compression
07/05/1995EP0661702A2 Apparatus and method for error recovery