Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
11/1991
11/26/1991US5068753 Data reproducing circuit for memory system having an equalizer generating two different equalizing signals used for data reproduction
11/26/1991CA1292565C Data recorder and method
11/25/1991CA2042539A1 Analog to digital and digital to analog signal processors
11/21/1991EP0457373A2 An information signal delay system
11/21/1991EP0456690A1 Read/write head buffer.
11/21/1991EP0263175A4 Apparatus and method for encoding and decoding attribute data into error checking symbols of main data
11/20/1991CN1056390A Recording and reproducing apparatus of digital signal
11/20/1991CN1014840B Gault-tolerant, error-correcting storage system
11/19/1991US5067138 Phase-locked-loop circuit and bit-detection arrangement comprising such a phase-locked-loop circuit
11/19/1991US5067131 Apparatus and method for recording and/or reproducing a digital signal
11/19/1991US5067128 Recorded data reading system
11/19/1991US5067119 Recording medium playing apparatus with automatic tonal response setting function
11/14/1991WO1991017506A1 Apparatus and method for controlling data flow between a computer and memory devices
11/14/1991WO1991013436A3 Process for evaluating binary data of a magnetic storage card
11/13/1991EP0456501A2 Pilot signal eliminating circuit
11/13/1991EP0456405A2 Digital signal recording apparatus
11/13/1991EP0456299A1 Arrangement and method for obtaining prerecorded digital music cassettes
11/13/1991EP0455934A2 Disk selection control device for multidisk player
11/13/1991EP0455749A1 Read channel detector for use in digital magnetic recording systems.
11/13/1991EP0455738A1 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio.
11/13/1991EP0193592B1 Method and apparatus for processing digital signals prior to recording
11/13/1991CN1056179A Method of and arrangement for obtaining prerecorded digital music cassettes tape
11/12/1991US5065413 Phase locked loop circuit
11/12/1991US5065389 Information recording and read device, information recording device, and record carrier obtained by means of one of the device
11/12/1991US5065388 Method and apparatus for recording on a record carrier a table of contents identifying all the recorded data signals
11/12/1991US5065386 Servo system responsive to noise and having variable characteristic filter means
11/12/1991US5065385 Time base control system with coarse and fine correction for a spindle servo
11/12/1991US5065384 Clock signal generating circuit for a data storing and reproducing system
11/12/1991US5065382 Disc memory apparatus
11/12/1991US5065261 Method and apparatus for synchronizing timing signals for helical scan recorder
11/12/1991US5065260 Method for recording/reproducing expanded digital signals in conventional format
11/12/1991US5065259 Magnetic recording and/or reproducing apparatus
11/12/1991US5065253 Disk player with disk tilt or pickup position responsive noise reduction
11/12/1991CA1292065C "compact disc" drive apparatus specifically designed for storage of digital data and/or a mixture of audio information and digital data
11/12/1991CA1292064C Dual channel readback recovery system
11/06/1991EP0455293A1 Method of and arrangement for obtaining prerecorded digital music cassettes
11/06/1991EP0455267A2 Data demodulation system
11/06/1991EP0300029A4 Channel filter
11/06/1991CN2088280U Group channel signal processing device
11/06/1991CN1014658B Device for determining opiical disk record electric lever
11/05/1991US5063597 Muting circuit in a digital audio system
11/05/1991US5063551 Method and apparatus of recording and reproducing picture information and recording medium
11/05/1991US5063453 Digital signal recording apparatus
11/05/1991US5063452 Magnetic recording and/or reproducing apparatus having means for preventing audio-to-video crosstalk and noise generation
11/05/1991US5063447 Information processing apparatus having a common A/D converter for the image and audio signals
11/05/1991CA1291814C Apparatus for reproducing a digital signal
11/05/1991CA1291813C Apparatus for reproducing a digital signal
11/05/1991CA1291812C Encoding method and apparatus for recording data with an identification code and an error check code
10/1991
10/31/1991WO1991016710A1 Transmission process for a binary signal
10/31/1991WO1991016709A1 Digital audio recording format for motion picture film
10/30/1991EP0454464A2 Digital signal reproducing apparatus
10/30/1991EP0454460A2 Video signal recording/reproducing apparatus
10/30/1991CN1014565B Method of handling disk section errors in dasd cache
10/29/1991US5062091 Magneto-optical recording method and apparatus capable of overwriting data using a radiation beam
10/29/1991US5062011 Address mark generating method and its circuit in a data memory
10/29/1991US5062008 Recording of frequency-multiplex signal on recording medium
10/29/1991US5062007 Digital signal magnetic recording/reproducing apparatus
10/29/1991CA1291562C Method and apparatus for seeking target address with error check code
10/29/1991CA1291561C Asymmetric rll coding
10/23/1991EP0453285A2 Time base error signal generating apparatus
10/23/1991EP0453253A2 Timing signal generator for signal processing system
10/23/1991EP0453229A2 Method for transmission of variable length code
10/23/1991EP0452884A2 A rewritable optical disc
10/23/1991EP0452854A2 Method and apparatus for data recording
10/23/1991CN1055630A Transmission method for binary signal
10/22/1991US5060221 Digital data recording/reproduction apparatus
10/22/1991US5060219 Recording system for recording only those types of information which are specified by the record carrier
10/22/1991US5060208 Magnetooptical recording method and apparatus utilizing shift adjustment
10/22/1991US5060091 Apparatus and method for hard disk testing
10/22/1991US5060089 Data write pulse compensator circuit
10/22/1991US5060088 Adaptive equalization for recording systems using partial-response signaling
10/22/1991US5060077 Reproduction apparatus having means for initializing flag memories during slow motion and freeze reproduction
10/22/1991CA1291261C Video theater system
10/22/1991CA1291258C Recording and/or reproducing apparatus
10/17/1991WO1991016711A1 Logical track write scheduling system for a parallel disk drive array data storage subsystem
10/17/1991WO1991015901A1 Error detecting system
10/17/1991WO1991015822A1 Failure-tolerant mass storage system
10/17/1991DE4011894A1 Uebertragungsverfahren fuer ein binaersignal Transmission method for a binary
10/16/1991EP0452064A2 Apparatus for detecting digital data
10/16/1991EP0451415A2 Video signal recording-reproduction device
10/16/1991EP0451283A1 Processing circuit for video signal
10/16/1991EP0202945B1 Recording method and apparatus
10/15/1991US5058096 Disk recording/reproducing apparatus and disk recording/reproducing method
10/15/1991US5058093 Signal level deviation detecting apparatus
10/15/1991US5058089 Memory disk and apparatus for recording information on memory disk
10/15/1991US5057950 Data storage method
10/15/1991US5057947 Recording and reproducing apparatus with limited digital copying
10/15/1991US5057946 Magnetic disk drive apparatus
10/15/1991US5057945 Signal recording/reproducing apparatus
10/15/1991US5057796 Digital frequency modulation system in which high and low frequency portions are processed separately
10/15/1991US5057785 Method and circuitry to suppress additive disturbances in data channels
10/15/1991US5056402 MIDI signal processor
10/15/1991CA1290822C Retriggerable monostable multivibrator
10/09/1991EP0450895A2 Apparatus for recording and reproducing information
10/09/1991EP0450801A2 Disk drive array storage system
10/09/1991EP0450745A1 Composite disk playing method
10/09/1991EP0450622A2 Data reproduction circuit
10/09/1991EP0449853A1 Self-compensating high density data recording and detection scheme.
10/09/1991EP0295164B1 Method of writing synchronization information on a magnetic record carrier
10/08/1991US5056116 Data demodulation apparatus
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