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)
07/1984
07/04/1984EP0112676A2 Methods of and apparatus for correcting errors in binary data
07/04/1984EP0112534A2 Apparatus for recording a video signal
07/03/1984US4458272 Method of recording video signals within a predetermined bit/unit time recording rate
06/1984
06/27/1984EP0111704A1 Video recorder capable of recording a sound carrier
06/27/1984EP0111557A1 Laser video disc storage and retrieval system
06/26/1984US4456981 Modulation system for optical recording
06/26/1984US4456930 Method and apparatus for recording and reproducing a digital information signal
06/26/1984US4456905 Method and apparatus for encoding binary data
06/26/1984US4456890 Data tracking clock recovery system using digitally controlled oscillator
06/26/1984US4456884 Phase-lock loop and Miller decoder employing the same
06/26/1984US4456375 Optical disc measurement by refraction
06/26/1984CA1169960A1 Television tape recorder with both audio and video in oblique tracks
06/21/1984WO1984002417A1 Method of recording pcm signal
06/20/1984EP0110901A1 Data synchronization
06/19/1984US4455655 Real time fault tolerant error correction mechanism
06/19/1984US4455635 Coding system for recorded digital audio
06/19/1984US4455634 Method of establishing the characteristics of a program
06/19/1984US4455633 Method for evaluating distortions in video disc recordings
06/19/1984US4455584 Digital signal magnetic recording system
06/19/1984US4455582 Erase features for magnetic multi-track rerecording
06/19/1984US4455581 Self-correcting record-play system and method
06/19/1984US4455580 Video recorder
06/19/1984CA1169580A1 Controlling buffered peripheral subsystems
06/19/1984CA1169549A1 Method and apparatus for minimizing non-linear distortion in the recording of a bi-level signal
06/13/1984EP0110625A2 Circuit for encoding data pulses
06/13/1984EP0110511A2 Method and apparatus for authenticating memory disk
06/13/1984EP0110509A2 Recording system for recording data on tape in a disk-recording format
06/13/1984EP0110483A1 System for recording and/or detecting two marking signals
06/13/1984EP0110367A2 Coded data on a record carrier and method for encoding same
06/13/1984EP0110105A1 Systems for reading magnetic recordings
06/12/1984US4454499 Digital Miller decoder
06/12/1984CA1169154A1 Method of error correction
06/12/1984CA1169152A1 Circuit for decoding a diphase signal
06/07/1984WO1984002237A1 Improved run length limited data encoder
06/07/1984WO1984002221A1 Data storage devices
06/07/1984WO1984002219A1 Magnetic recording/reproducing apparatus
06/05/1984US4453260 Synchronizing circuit for detecting and interpolating sync signals contained in digital signal
06/05/1984US4453250 PCM Signal processing apparatus
06/05/1984US4453186 Video and sound signal recording and reproducing device
06/05/1984US4453157 Bi-phase space code data signal reproducing circuit
05/1984
05/30/1984EP0109837A1 Digital data detecting apparatus
05/30/1984EP0109674A1 Multitrack PCM reproducing apparatus
05/30/1984EP0109551A2 Apparatus for decoding video address code signals
05/29/1984US4451921 PCM Signal processing circuit
05/29/1984US4451920 PCM Signal processing apparatus
05/29/1984US4451919 Digital signal processor for use in recording and/or reproducing equipment
05/29/1984US4451746 Non-linear emphasis circuit
05/29/1984CA1168391A1 Demultiplexing plural data streams
05/29/1984CA1168374A1 Storage subsystems employing removable media and having a digital display on each recorder
05/29/1984CA1168315A1 Bit clock reproducing circuit
05/24/1984WO1984002017A1 Control of cache buffer for memory subsystem
05/24/1984WO1984002014A1 Detection of sequential data stream
05/23/1984EP0109309A2 Method of operating a computer system
05/23/1984EP0109306A2 Cache memory apparatus for computer
05/23/1984EP0109248A2 Magnetic recorder write data compensating circuit
05/22/1984US4450490 System for obtaining synchronized reproduction from a plurality of reproducing apparatuses
05/22/1984US4450488 System for recording continuous-play and stop-motion signal
05/22/1984CA1167968A1 Method and apparatus for encoding and decoding digital information
05/22/1984CA1167960A1 Switching apparatus for pcm video signal
05/16/1984EP0108225A2 Apparatus and method for transferring fault data from a recording device to a data processor
05/15/1984US4449154 Sampling time control circuit for use in an audio cassette tape data processor
05/15/1984US4449061 Wave-shaping circuit for digital signal
05/15/1984CA1167565A1 Apparatus for providing drop-out compensation in recording and reproducing systems
05/08/1984US4447902 Error-correction format for digital television signals
05/08/1984CA1167183A1 Method and apparatus for transmitting data in an error correction format
05/02/1984EP0107567A1 Method of protecting a video picture sequence against fraudulent use, and devices for carrying out this method
05/02/1984EP0107295A2 Video disc type recording and reproducing system
05/02/1984EP0106939A2 Method and apparatus for simulating a magnetic tape storage equipment in a data processing system
05/01/1984US4446494 Uniform speed control for a multi-channel digital recorder
05/01/1984US4446493 Variable frequency-response equalizer
05/01/1984US4446492 Information recording system
05/01/1984US4446490 PCM Signal processing circuit
05/01/1984US4446489 Signal copy device for digital record/reproduction system
05/01/1984US4446488 Video format signal recording/reproducing system
04/1984
04/26/1984WO1984001656A1 Reducing vibration induced recording noise
04/24/1984US4445216 System for defeating erroneous correction in a digital signal reproducing apparatus
04/24/1984US4445151 Video tape recorder with audio mode recording
04/24/1984US4445149 Method for the joining, or mixing-in or fade-in of two audio digital signal segments, free of interfering signals
04/24/1984CA1166349A1 Method and apparatus for evaluating recording systems
04/18/1984EP0105499A2 Method capable of simultaneously decoding two reproduced sequences
04/17/1984US4443883 Data synchronization apparatus
04/17/1984US4443822 Reproducing apparatus
04/17/1984US4443821 Digital velocity error compensator
04/17/1984CA1165872A1 Method of writing and reading sector-organized information into and out of a record carrier body and device for performing the method
04/17/1984CA1165869A1 Method and apparatus for formatting a memory disk
04/17/1984CA1165867A1 Digital video signal reproducing apparatus
04/17/1984CA1165825A1 Data extracting circuit
04/12/1984WO1984001451A1 Improved error correction system
04/11/1984EP0105121A1 Method for detecting a fault in a data recording system read channel
04/10/1984US4442546 Noise reduction by integrating frequency-split signals with different time constants
04/10/1984US4442461 Signal recording and/or reproducing technique
04/04/1984EP0104701A1 Apparatus for reading a record carrier
04/04/1984EP0104700A1 Method of recording a digital information signal on a record carrier, record carrier provided with such an information signal, and read/write apparatus for such a record carrier
04/03/1984US4441195 Short term response enhancement for digital phase-locked loop
04/03/1984US4441184 Method and apparatus for transmitting a digital signal
04/03/1984US4441090 Crosstalk filtering arrangement with variable frequency filtering to remove effects of FM carrier
04/03/1984US4441084 Noise reduction circuit
04/03/1984US4441083 Noise reduction circuit
04/03/1984CA1165001A1 Magnetic recording system
04/03/1984CA1165000A1 System for processing audio pcm digital signals
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