| Patents for G11B 27 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel (59,746) | 
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| 07/16/1987 | DE3608216A1 Device for filing text and picture material by digital video methods and having a reproduction station | 
| 07/15/1987 | EP0228878A2 Edit mode controllers and editing methods for operation with recording and/or reproducing apparatuses | 
| 07/14/1987 | US4680764 Method and apparatus for transmitting digital data | 
| 07/14/1987 | US4680747 Multi-message phonograph system | 
| 07/14/1987 | US4680653 Rotating storage device track format emulation | 
| 07/14/1987 | US4680652 Device for detecting a space between adjacent blocks of data recorded in a recording medium | 
| 07/14/1987 | US4680650 Magnetic video signal recording and reproducing system | 
| 07/14/1987 | US4680649 Back-space editing control circuit for rotary-head magnetic tape recording and reproducing apparatus | 
| 07/14/1987 | US4680647 Method for recording and reproducing video format signal | 
| 07/14/1987 | US4680594 Single beam direct read during write and write protect system for use in an optical data storage system | 
| 07/14/1987 | CA1224266A1 Selective scrambling in the compact disc system | 
| 07/14/1987 | CA1224255A1 Optical end-of-tape detection device | 
| 07/08/1987 | EP0228257A2 Optical data recording and reproducing apparatus with erase function diagnosis | 
| 07/07/1987 | US4679181 Method for detecting an error in loading a recording disc | 
| 07/07/1987 | US4679180 Process for direct over-writing of digital data recorded on magneto-optical recording media | 
| 07/07/1987 | US4679098 Video tape transport servo for variable tape speed control | 
| 07/01/1987 | EP0227530A1 Method for recording with updating and for the reproduction of data on a non-erasable sectorial record carrier | 
| 07/01/1987 | EP0227389A2 Apparatus and method for calibrating recording and transmission systems | 
| 07/01/1987 | EP0226960A1 Synchronous control system | 
| 07/01/1987 | EP0226877A2 Method for transmitting bit signals, bit signal transmitter and receiver for carrying out this method, as well as a record carrier for this method | 
| 06/30/1987 | US4677657 Voice recording card | 
| 06/30/1987 | US4677606 Data recording and reproducing method | 
| 06/30/1987 | US4677604 Visual display system for aiding pilots | 
| 06/30/1987 | US4677501 Method and apparatus for displaying indications of instructions in previously recorded messages | 
| 06/30/1987 | US4677500 System for playing back a film recorded as a video signal on a disc-shaped record carrier | 
| 06/23/1987 | US4675856 Optical storage and retrieval device | 
| 06/23/1987 | US4675855 Reproducing rate control apparatus for information recording disc | 
| 06/23/1987 | US4675757 Method and apparatus for synchronizing tape recording and playback machines | 
| 06/23/1987 | US4675755 Video disk apparatus providing organized picture playback | 
| 06/23/1987 | US4675753 Information signal recording and reproducing apparatus | 
| 06/23/1987 | CA1223347A1 Disc players for reproducing an information signal from a rotating disc | 
| 06/19/1987 | DE3543686A1 Method of storing data on a recording carrier | 
| 06/16/1987 | US4674081 Mobil pre-etched data carrier | 
| 06/16/1987 | US4674072 Index pulse generator capable of producing an index pulse of stabilized nature for use in optical information recording and reproduction systems | 
| 06/16/1987 | US4674071 Data recording area signal generating method and apparatus | 
| 06/16/1987 | US4673993 Method for synchronizing a tape recorder to a computer under program control | 
| 06/16/1987 | US4673991 Video signal recording and/or reproducing apparatus having a function of carrying out assembled recordings | 
| 06/16/1987 | EP0225733A1 Magnetic recording apparatus | 
| 06/16/1987 | EP0225597A2 Image date recording medium and apparatus for determining tape position of the same | 
| 06/16/1987 | EP0225408A1 Detachable unit electronic camera | 
| 06/09/1987 | US4672683 Image retrieval and registration system | 
| 06/09/1987 | US4672600 Optical disc having protective cover | 
| 06/09/1987 | US4672596 Level controlled readout system for formatted record recorded on an optical disc | 
| 06/09/1987 | US4672481 Studio video editing apparatus | 
| 06/09/1987 | US4672480 Apparatus for recording digital data of various kinds on a slant track of a recording tape | 
| 06/09/1987 | US4672469 Delay time adjusting system for video signal reproducing apparatus having heads scanning across multiple tracks | 
| 06/03/1987 | EP0224465A2 Variety mode selection device and process for automatic changer apparatus | 
| 05/27/1987 | EP0223423A1 Signal recording apparatus and methods | 
| 05/27/1987 | EP0223353A2 Information record carrier | 
| 05/27/1987 | EP0222820A1 Flux sensitive tracking. | 
| 05/26/1987 | US4669117 Video terminal with image line disarrangement | 
| 05/26/1987 | US4669075 Optical disk control apparatus | 
| 05/26/1987 | US4669002 Multiple magnetic head rotary transducer drum for simultaneous recording and reproducing | 
| 05/26/1987 | US4669000 Synchronizing circuit | 
| 05/26/1987 | US4668999 Time base equalizer and corrector (TIBEC) for video tape or disk machines in playback modes | 
| 05/26/1987 | US4668998 Time base correction for VTR with variable tape speed | 
| 05/26/1987 | US4667802 Video jukebox | 
| 05/21/1987 | DE3540803A1 Record player with a pivotable pick-up arm | 
| 05/19/1987 | US4667318 Data producing device in a signal reproducing apparatus | 
| 05/19/1987 | US4667314 Compact disc player for playing a sequence of discs and selecting a sequence of stored programs in each disc to be played | 
| 05/13/1987 | EP0221631A2 Methods and apparatus for monitoring events | 
| 05/12/1987 | US4665513 Arrangement for error detection for disc-shaped information carriers | 
| 05/12/1987 | US4665443 Signal recording and reproducing apparatus | 
| 05/12/1987 | US4665442 Cross-talk eliminating device in information-carrying disc player | 
| 05/06/1987 | EP0220991A2 Recording and/or reproducing apparatus, in particular for still pictures | 
| 05/05/1987 | US4663752 Sector mark signal control circuit for disc apparatus | 
| 05/05/1987 | US4663751 Optical information processor for compensating offset | 
| 05/05/1987 | US4663679 Tape address synchronizing apparatus for video tape recorder | 
| 05/05/1987 | US4663678 System for writing and reading digital data interspersed with analog audio frequency data on magnetic recording tape | 
| 05/05/1987 | CA1221456A1 Magnetic disc cartridge | 
| 05/05/1987 | CA1221453A1 Apparatus for recording a video signal | 
| 04/29/1987 | EP0220033A2 A PCM recording and reproducing apparatus | 
| 04/28/1987 | US4661988 Image information-filing apparatus | 
| 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 | 
| 04/21/1987 | US4660107 Method and apparatus for cueing and pacing in audio and audio-visual work | 
| 04/21/1987 | US4660102 Electronic still camera capable of editing picture recorded on disk | 
| 04/21/1987 | US4660101 Apparatus and method for editing electronically-displayed pictures | 
| 04/15/1987 | EP0218572A1 Apparatus and method for controlling the reproduction of recorded information | 
| 04/14/1987 | US4658306 Method of recording identification signal on software recording medium | 
| 04/14/1987 | CA1220551A1 Arrangement for error detection for disc-shaped information carriers | 
| 04/08/1987 | EP0217112A2 Data playback system for random selections | 
| 04/08/1987 | EP0216859A1 Printed data strip including bit-encoded information and scanner control | 
| 04/08/1987 | CN85107244A Power-supply control device for magnetic disc drive | 
| 04/07/1987 | US4656618 Optical information recording and reproducing apparatus | 
| 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 | US4656529 Video signal recording apparatus | 
| 04/07/1987 | US4656528 Signal recording system for recording signals on a rotary recording medium | 
| 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 | EP0216293A2 Process for recording a signal on a magnetic tape | 
| 04/01/1987 | EP0216260A2 Recording and reproducing apparatus with a device for indicating the running time of the remaining tape length | 
| 04/01/1987 | EP0216113A1 Synchronizing device | 
| 04/01/1987 | CN85103580A "data-storage disc and playback system therefor" | 
| 03/31/1987 | US4654727 Videocassette handling and sequencing system | 
| 03/31/1987 | US4654725 Index signal issue mechanism of a magnetic record and reproduction device | 
| 03/26/1987 | DE3532906A1 Recording and reproducing apparatus having a device for indicating the running time of the remaining length of tape | 
| 03/25/1987 | EP0215604A2 Video and analogue data recording system |