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)
12/1984
12/04/1984US4486795 Disc drive servo system
12/04/1984US4486793 Reduction of crosstalk effects in modulated audio signals carried in adjacent tracks of recorded media
12/04/1984US4486789 Magnetic recording and/or reproducing apparatus
12/04/1984US4486780 Sequential data block address processing circuits
12/04/1984US4486653 Adaptive rate card data reproducing and storing apparatus
11/1984
11/28/1984EP0126610A2 Disk drive system
11/28/1984EP0126609A2 Digital encoding and decoding apparatus
11/28/1984EP0126593A1 Digital video tape recorder apparatus
11/28/1984EP0126147A1 Data storage devices
11/27/1984US4485417 PCM Recording and reproducing device
11/27/1984US4485415 Method for recording digital information
11/22/1984WO1984004622A1 Apparatus for reproducing digital signal
11/22/1984WO1984004466A1 Sequence versatile video system
11/21/1984EP0125922A2 Apparatus for detecting regularly occurring signal sequence in a data stream
11/21/1984EP0125921A2 Disk drive control apparatus
11/21/1984EP0125920A2 Disk drive control apparatus
11/21/1984EP0125840A1 Digital video tape recorder apparatus
11/21/1984EP0125534A2 Thermo-magnetic recording of binary digital information
11/21/1984EP0125431A1 Recording channel with signal controlled integrated analog circuits
11/20/1984US4484236 Magnetic tape recording and reproducing arrangements
11/20/1984US4484234 Video tape recording and reproducing apparatus
11/20/1984US4484176 Run length limited data encoder
11/20/1984US4484174 Video disc player having improved squelch system
11/20/1984US4484142 Phase detector circuit
11/20/1984CA1178210A1 Noise reduction circuit
11/14/1984EP0125187A1 Methods and devices for the reading of access control magnetic cards or the like
11/14/1984EP0125002A2 Programmable longitudinal time code generator utilizing a synchronous programmable parallel-to-serial data converter.
11/14/1984EP0124770A1 Data recording/reproducing apparatus
11/13/1984US4482927 Ternary magnetic recording and reproducing system with simultaneous overwrite
11/13/1984CA1177967A1 Serial-to-parallel converter
11/07/1984EP0124281A2 Apparatus and method for dropout compensation
11/07/1984EP0123959A2 Videorecorder with videotext signal recording
11/07/1984EP0123946A1 Reproducing rate control apparatus for information recording disc
11/06/1984US4481615 Motor controlling circuit of reproducing apparatus and method of controlling
11/06/1984US4481549 MFM data encoder with write precompensation
11/06/1984US4481548 Magnetic recording and reproducing apparatus
11/06/1984US4481547 Video signal processing circuit
11/06/1984US4481545 Stereo apparatus for VTR with monoral audio head
11/06/1984US4481543 Playback apparatus for producing still images
10/1984
10/31/1984EP0123563A2 Converting digital signals
10/31/1984EP0123322A2 Address indication circuit capable of relatively shifting channel addresses relative to memory addresses
10/30/1984US4480277 Information processing system
10/30/1984US4480276 Apparatus for peak detection in magnetic recording
10/30/1984US4480272 System of recording and playback of digitally recorded signals, especially television
10/30/1984US4480271 Dropped sample data rate reduction system
10/30/1984US4480270 Audio/video signal recording method
10/30/1984CA1177164A1 Apparatus for reproducing a pcm information signal from a record disc
10/30/1984CA1177143A1 Device for the recovery of a clock signal from a binary signal
10/25/1984WO1984004218A1 Improved error protection of linearly coded digital signals
10/25/1984WO1984004195A1 Audio digital recording and playback system
10/24/1984EP0122752A2 Digital video tape recorder apparatus
10/24/1984EP0122632A2 FM signal demodulation circuit
10/24/1984EP0122467A2 Image information registering/retrieving system
10/23/1984US4479154 Floppy disk drive with local processor control
10/23/1984US4479153 Squelch and message storage system and method
10/23/1984US4479151 Magnetic recording of digital signals on a magnetic medium
10/23/1984US4479146 Vertical code verifier
10/23/1984CA1176750A1 Coded signal reproducing apparatus
10/17/1984EP0122095A2 Circuit for reducing offset error in FM detection
10/17/1984EP0122094A2 Electronic still store with high speed sorting and method of operation
10/17/1984EP0122083A2 Method and apparatus for encoding a binary data stream into a binary code stream
10/17/1984EP0122027A1 Variable-length encoding-decoding system
10/17/1984EP0121565A1 Improved error correction system
10/17/1984EP0121537A1 Reducing vibration induced recording noise
10/16/1984US4477903 Error correction method for the transfer of blocks of data bits, a device for preforming such a method, a decoder for use with such a method, and a device comprising such a decoder
10/16/1984US4477848 Verification of recorded messages
10/16/1984US4477845 Dynamic skew correction for multichannel analog recording
10/16/1984US4477844 Apparatus for recording a digital audio signal in a track with a video signal
10/16/1984US4477843 System for still or slow-motion reproduction of television pictures
10/16/1984US4477842 Data reproducing circuit
10/16/1984CA1176320A1 Signal wave control circuit
10/11/1984WO1984003987A1 Apparatus for recording and reproducing optical data
10/10/1984EP0121097A2 Identification field scan apparatus in a multiple transducer data storage device
10/10/1984EP0046323B1 Method of writing and reading sector-organized information into and out of a record carrier body and device for performing the method
10/09/1984US4476562 Method of error correction
10/09/1984US4476502 Noise reduction system
10/09/1984US4476501 Audio signal recording and/or reproducing system for eliminating audio crosstalk
10/09/1984US4476499 Video disc recording and reproducing system
10/03/1984EP0120696A1 Recording apparatus for recording a video signal obtained from a high speed scanning video camera
10/03/1984EP0042522B1 System for processing and/or transmitting pcm data signals
10/02/1984US4475183 Optical disk retrieval methods, media and systems employing digital data of high fractional bandwidth
10/02/1984US4475153 Method and apparatus for automatic control of electronic equipment
09/1984
09/27/1984WO1984003808A1 Error-correcting apparatus
09/27/1984WO1984003791A1 Video cassette play counting, storing and reading system
09/26/1984EP0119766A1 Data capture window extension circuit
09/26/1984EP0119657A1 Method for the storage on and the reproduction from an optically readable record carrier, record carrier for use in the method and apparatus for use in the method
09/26/1984EP0119635A2 Frequency modulating circuit
09/26/1984EP0119445A2 Apparatus for decoding phase encoded data
09/26/1984EP0119201A1 An improved automatic head position tracking servo for a rotary head magnetic tape recording and reproducing apparatus.
09/25/1984US4473887 Processing circuit for operating on elements of a Galois field
09/25/1984US4473853 Controller for a videotape recorder, and a method therefor
09/25/1984US4473852 Noise reduction system
09/25/1984US4473851 Analog magnetic recording system for binary signals
09/25/1984US4473850 Method and apparatus for recording digitally coded television signals
09/25/1984US4473829 Method of recording a digital information signal on a record carrier having a radiation-sensitive information layer, apparatus for carrying out the method, and optical record carrier provided with such a digital information signal
09/25/1984CA1175155A1 Combined serializer encoder and decoder for data storage system
09/25/1984CA1175141A1 Parity checking circuitry for use in multi-bit cell pcm recording and reproducing apparatus
09/19/1984EP0119101A2 Improvements in stereophonic motion picture photographic sound-tracks and apparatus for recording and playing back photographic sound tracks
09/19/1984EP0118936A1 Method of encoding a recording signal, record carrier provided with a recording signal encoded in accordance with the method, apparatus for carrying out the method, and apparatus for reproducing a signal encoded in accordance with the method
09/19/1984EP0118777A2 Audio signal recording in a video recorder
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