| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
|---|
| 06/09/1987 | US4672596 Level controlled readout system for formatted record recorded on an optical disc |
| 06/09/1987 | US4672483 Information recording and reading apparatus having recording error checking circuit |
| 06/09/1987 | US4672482 Digital apparatus for magnetic media data recovery system |
| 06/09/1987 | US4672480 Apparatus for recording digital data of various kinds on a slant track of a recording tape |
| 06/09/1987 | US4672473 Audiovisual disc recording |
| 06/09/1987 | US4672472 Playback apparatus for audiovisual disc records |
| 06/09/1987 | US4672471 Method for storing in a first set of consecutive tracks a single still picture and in a second set of consecutive tracks corresponding digital audio with track number information included therein |
| 06/09/1987 | US4672470 Video signal recording and reproducing apparatus |
| 06/09/1987 | US4672467 Low cross-talk system for recording digitally coded color television signals on magnetic tape |
| 06/09/1987 | US4672363 Frequency modulation coding methods with reduced transition intervals |
| 06/09/1987 | US4672362 Binary data encoding and decoding process |
| 06/09/1987 | US4672329 Clock generator for digital demodulators |
| 06/03/1987 | EP0224378A2 Means for parking read/write heads in a disc drive using the back-emf of the spindle motor to operate a stepper motor |
| 06/02/1987 | USRE32432 Method and apparatus for decoding digital data |
| 06/02/1987 | US4670890 Method of and/or apparatus for encoding and decoding sequential information in data handling systems |
| 06/02/1987 | US4670881 Method of correcting data carried on video format signal |
| 06/02/1987 | US4670797 Method of magnetically recording coded digital video signals and an apparatus therefor |
| 06/02/1987 | US4670796 Rotary head type PCM recorder |
| 05/27/1987 | EP0223652A1 Converter for compact-disc players |
| 05/27/1987 | EP0223611A2 Method for mapping around defective sectors in a disc drive |
| 05/27/1987 | EP0223423A1 Signal recording apparatus and methods |
| 05/27/1987 | EP0223255A2 Method and apparatus for correcting errors in digital audio signals |
| 05/27/1987 | CN86107889A Method and apparatus for correcting errors in digital audio signals |
| 05/27/1987 | CN86106251A Automatic phase control circuit |
| 05/26/1987 | US4669075 Optical disk control apparatus |
| 05/26/1987 | US4669003 Method and apparatus for eliminating apparent offset in the servo code in a magnetic disc drive |
| 05/26/1987 | US4669002 Multiple magnetic head rotary transducer drum for simultaneous recording and reproducing |
| 05/26/1987 | US4669000 Synchronizing circuit |
| 05/26/1987 | US4668988 Non-linear digital emphasis circuit |
| 05/21/1987 | WO1987003129A1 Binarily related variable rate recorder |
| 05/20/1987 | EP0222386A2 Method and apparatus for PCM recording and reproducing audio signal |
| 05/20/1987 | EP0222133A2 Digital data separator |
| 05/20/1987 | EP0222132A2 Digital data separator |
| 05/19/1987 | US4667326 Method and apparatus for error detection and correction in systems comprising floppy and/or hard disk drives |
| 05/19/1987 | US4667318 Data producing device in a signal reproducing apparatus |
| 05/19/1987 | US4667317 Method for the storage on and the reproduction from an optically readable record carrier |
| 05/19/1987 | US4667242 Automatic gain control circuit |
| 05/19/1987 | US4667240 Timing correction circuitry as for TV signal recursive filters |
| 05/19/1987 | US4667167 Circuit for automatic gain control |
| 05/19/1987 | CA1222057A1 Dual channel partial response system |
| 05/14/1987 | DE3539491A1 Circuit arrangement for clock recovery |
| 05/12/1987 | US4665513 Arrangement for error detection for disc-shaped information carriers |
| 05/12/1987 | US4665444 Circuit for reproducing video signals |
| 05/12/1987 | US4665443 Signal recording and reproducing apparatus |
| 05/07/1987 | WO1987002818A1 Data recording/regenerating device |
| 05/06/1987 | EP0220876A2 Self-checking error-correcting encoder/decoder |
| 05/06/1987 | EP0220812A2 High capacity disc drive |
| 05/06/1987 | EP0220466A1 Apparatus for recording video signals on rotary recording medium with appropriate angular phase in rapid response to start of rotation |
| 05/06/1987 | EP0220382A2 Disk incremental rewrite |
| 05/05/1987 | US4663752 Sector mark signal control circuit for disc apparatus |
| 05/05/1987 | US4663749 Apparatus for reproducing information from an optically readable record carrier |
| 05/05/1987 | US4663674 Video cassette designed for video theater use |
| 04/30/1987 | DE3633597A1 PCM signal recording and reproducing apparatus |
| 04/30/1987 | DE3538290A1 Arrangement for the magnetic recording of pulses |
| 04/29/1987 | EP0220033A2 A PCM recording and reproducing apparatus |
| 04/28/1987 | US4661982 Digital graphic equalizer |
| 04/28/1987 | US4661956 Method of correcting errors of digital signals in the recording and reproduction of digital signals |
| 04/28/1987 | US4661954 Error protection of linearly coded digital signals |
| 04/28/1987 | CA1221168A1 Improvements in sterophonic motion picture sound-tracks compatible with different sound projection formats and record and playback apparatus therefor |
| 04/22/1987 | EP0219261A2 Information recording and reproducing apparatus |
| 04/22/1987 | EP0219037A2 Waveform processing circuit |
| 04/22/1987 | CN85107100A Method and apparatus for reproducing signals |
| 04/21/1987 | US4660200 Method and apparatus for processing an error flag of a PCM signal |
| 04/21/1987 | US4660103 Recording and reproducing digital audio signals formed into groups of varying lengths |
| 04/21/1987 | US4660100 Rotary recording medium reproducing apparatus for reproducing pre-recorded signals from a rotary recording medium having track turns recorded with digital signal and track turns recorded with analog signal |
| 04/21/1987 | US4660099 Rotary recording medium having track turns recorded with digital signal and track turns recorded with analog signal |
| 04/21/1987 | CA1220869A1 Decoding method and system for doubly-encoded reed- solomon codes |
| 04/21/1987 | CA1220865A1 Decoder and reading device for optically readable record carrier |
| 04/21/1987 | CA1220853A1 Disk drive control apparatus with hierarchical control |
| 04/16/1987 | DE3535958A1 Integrated data separator for hard-disc controllers |
| 04/15/1987 | EP0218413A2 System and method for correcting errors in coded data recorded in blocks and sub-blocks |
| 04/15/1987 | EP0218291A1 Television camera having an electronic viewfinder |
| 04/15/1987 | EP0218214A2 Disk apparatus |
| 04/15/1987 | EP0217924A1 Recovery of stored data from mutilated tape data blocks. |
| 04/14/1987 | US4658306 Method of recording identification signal on software recording medium |
| 04/14/1987 | US4658305 Video signal recording and reproducing apparatus having a pre-emphasis and de-emphasis system for noise reduction |
| 04/14/1987 | CA1220551A1 Arrangement for error detection for disc-shaped information carriers |
| 04/14/1987 | CA1220547A1 Method and apparatus for authenticating memory disk |
| 04/09/1987 | WO1987002154A1 Self-testing peripheral controller system for multiple disk drive modules |
| 04/08/1987 | EP0217292A2 A code error correcting method |
| 04/07/1987 | US4656539 Method and apparatus with improved tracking control for recording a digital signal |
| 04/07/1987 | US4656536 Apparatus for recording and reproducing identification words on a helically scanned tape |
| 04/07/1987 | US4656532 Sector identification method for hard sectored hard files |
| 04/07/1987 | US4656531 Noise-eliminating apparatus for a video tape recorder |
| 04/07/1987 | US4656529 Video signal recording apparatus |
| 04/07/1987 | US4656528 Signal recording system for recording signals on a rotary recording medium |
| 04/07/1987 | US4656514 Error concealment in digital television signals |
| 04/07/1987 | US4656420 Method and circuit arrangements for detecting and evaluating faults in recording media having digital signals recorded on one or more tracks |
| 04/07/1987 | CA1220269A1 Digital data bus system for connecting a controller and disk drives |
| 04/02/1987 | DE3633238A1 Video storage disc and operating device for it |
| 04/01/1987 | EP0216704A2 Optical writing and reading method and optical writing and reading apparatus |
| 04/01/1987 | EP0216329A2 Transmission method for a digital signal |
| 04/01/1987 | EP0216294A2 Method for writing data in optical recording medium |
| 04/01/1987 | EP0216131A1 Circuit arrangement to process an analogous reading signal in a rotating bulk memory |
| 04/01/1987 | EP0216113A1 Synchronizing device |
| 04/01/1987 | CN85103580A "data-storage disc and playback system therefor" |
| 03/31/1987 | US4654853 Data transmission method |
| 03/26/1987 | WO1987001851A1 Audio and video digital recording and playback system |
| 03/25/1987 | EP0215604A2 Video and analogue data recording system |
| 03/25/1987 | EP0215023A1 Magnetic tape cassette having a prerecorded low frequency tone. |