Patents for G11B 27 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel (59,746) |
---|
06/13/1978 | US4095261 Audio tape recorder, editor and amplifying system |
06/06/1978 | US4094013 Optical storage disk system with disk track guide sectors |
06/06/1978 | US4094010 Optical multi-channel digital disc storage system |
06/06/1978 | US4093832 Programmable record changer |
06/06/1978 | US4093831 Transcriber having selectable word reproduction rate |
05/30/1978 | US4092680 Apparatus for indicating the farthest advance position of a bi-directionally movable medium |
05/30/1978 | US4092679 Apparatus for variably selecting the capacity of a recording medium in a recording system |
05/23/1978 | US4091242 High speed voice replay via digital delta modulation |
05/16/1978 | US4090223 Video system for storing and retrieving documentary information |
05/16/1978 | US4090031 Multi-layered opitcal data records and playback apparatus |
05/02/1978 | US4087839 Filmstrip transducing apparatus and method |
04/25/1978 | US4086634 Method and apparatus for preparing recorded program material to prevent unauthorized duplication by magnetic tape recording |
04/25/1978 | US4085926 Tape splicer |
04/25/1978 | US4085698 Device for detecting rotational speed of a tape reel |
04/11/1978 | US4084198 Card scanning video system |
04/04/1978 | US4083040 Trace locator for a multi-trace recorder |
04/04/1978 | US4082600 Film splicing apparatus |
03/28/1978 | US4081844 Interleaved synch and beginning of data indicators |
03/21/1978 | US4080242 Apparatus for splicing photographic films or the like |
03/14/1978 | US4079261 Detector for distinguishing between recorded and unrecorded bands of a phonograph record |
02/21/1978 | US4075665 Method and apparatus for increasing the recording capacity of a disk |
02/21/1978 | US4075435 Method and apparatus for automatic dictation playback control |
02/14/1978 | US4074085 Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks |
02/07/1978 | US4073011 Electrocardiographic computer |
02/07/1978 | US4072995 Tape viewing system for micro-cassette tape recorder |
02/07/1978 | US4072987 Digital storage systems |
01/10/1978 | US4068301 Data storage device comprising search means |
01/03/1978 | US4067050 Programmed presentation system |
01/03/1978 | US4067049 Sound editing system |
01/03/1978 | US4067044 Information recording and retrieval apparatus |
12/20/1977 | US4063370 Tape cassettes having indications for blind use |
12/13/1977 | US4063070 Wideband frequency multiplier particularly adapted for use in badge readers and the like |
12/06/1977 | US4062048 Tape timing apparatus and method employing a phase comparison between sequential pulse trains |
11/15/1977 | US4058841 Or reproducing apparatus with device for recording andor reproducing control signals |
11/08/1977 | US4057830 Electronic photography system |
10/18/1977 | US4054950 Apparatus for detecting a preamble in a bi-phase data recovery system |
10/18/1977 | US4054926 Device for automatic program selection on prerecorded magnetic tape |
10/18/1977 | US4054924 Variable message recorder employing single tape loop having fast reset |
10/18/1977 | US4054920 Device for storing electromagnetic control signals on magnetic strip material and a sound film projector equipped therewith |
10/11/1977 | US4053944 Microprocessor controlled signal pattern detector |
10/04/1977 | US4052733 Pal four-frame subcarrier phase detector |
09/27/1977 | US4051540 Instruction indicating apparatus for a record and/or playback device |
09/20/1977 | US4050088 Apparatus for selecting playback or recording modes in magnetic recording and/or reproducing apparatus |
09/13/1977 | US4048659 Automatic cassette reproducing apparatus |
08/30/1977 | US4045613 Digital storage systems |
08/23/1977 | US4044389 Method and apparatus for measuring the speed at which a tape was recorded |
08/23/1977 | US4044233 End predictor for cassette tape |
08/16/1977 | US4041890 Or playback device |
08/02/1977 | US4040114 Magnetic tape reproducing apparatus with manually overrideable connection between tape lifter and pressure roller |
08/02/1977 | US4040102 Magnetic tape device |
08/02/1977 | US4040099 Method and apparatus for preparing recorded program material to render detectable unauthorized magnetic tape duplications, and method and apparatus for detecting such duplications |
08/02/1977 | US4040098 Editing system for controlling the transfer of selected video information from a video source to a video tape recorder |
08/02/1977 | US4040022 Missing clock detection circuit |
07/19/1977 | US4037260 Tape timer error corrector circuit for tape recorder/reproducers |
07/12/1977 | US4035843 Magnetic recording system |
06/28/1977 | US4032897 Interactive audiovisual display system |
06/14/1977 | US4030129 Pulse code modulated digital audio system |
06/07/1977 | US4028733 Pictorial information retrieval system |
05/31/1977 | US4027336 Motor speed control device |
05/31/1977 | US4027178 Circuit for generating synchronization signals |
05/10/1977 | US4022986 Playback unit for a long-playing record of a time division multiplexed audio signal |
05/03/1977 | US4021857 Magnetic recording system for reproducing successive still pictures |
04/26/1977 | US4020506 Tape cartridge with track position indicator |
04/19/1977 | US4018947 Method for edge marking recordable webs |
04/05/1977 | US4015799 Adaptive reel-to-reel tape control system |
03/22/1977 | US4014043 Cassette type magnetic recording and reproducing apparatus |
03/22/1977 | US4014039 Automatic program locator for tape decks |
03/22/1977 | US4013157 Bonus play machine |
03/15/1977 | US4012784 Voice logging recorder including decks dedicated for both logging and recall operations |
03/08/1977 | US4011587 Rotary head magnetic recorder for use with a specific record member |
03/08/1977 | US4011586 Voice logging recorder for use with preloaded cassettes |
03/01/1977 | US4010492 Using a radio feedback link to the engineer |
02/22/1977 | US4009331 Still picture program video recording composing and playback method and system |
02/08/1977 | US4007491 Dictation-transcription method and system |
02/08/1977 | US4007490 Time lapse video tape recorder |
02/08/1977 | US4006737 Electrocardiographic computer |
02/01/1977 | US4006295 Method of detecting defects in signals corresponding to the read-out of a data carrier and system for implementing such a method |
02/01/1977 | US4005871 Marking device for a recording apparatus |
01/25/1977 | US4005486 Apparatus for detecting tape running in a tape recorder |
01/25/1977 | US4005484 Automatic stopper for multitrack recorder |
01/25/1977 | US4005483 Automatic record control apparatus with multichannel memory |
01/25/1977 | US4005481 Or playback apparatus which prevents erasure of the synchronization track |
01/25/1977 | US4005479 Phase locked circuits |
01/11/1977 | US4003093 Apparatus for indicating tape end in a tape recorder and battery level |
01/11/1977 | US4003090 Magnetic recording and reproducing system with tape-to-head speed control |
01/11/1977 | US4003084 Method of and means for testing a tape record/playback system |
01/04/1977 | US4001886 Apparatus with headwheel servo for recording and playing back video information |
01/04/1977 | US4001883 High density data storage on magnetic disk |
01/04/1977 | US4001882 Magnetic tape editing, previewing and animating method and system |
01/04/1977 | US4001552 Method and apparatus for measuring web material wound on a reel |
12/28/1976 | US4000518 Signal detection during variable speed tape movements |
12/28/1976 | US4000510 System for storage and retrieval of video information on a cyclical storage device |
12/07/1976 | US3995946 Motion picture sound film apparatus |
11/09/1976 | US3990710 Coin-operated recording machine |
11/02/1976 | US3990108 Magnetic tape speed control system |
10/26/1976 | US3988778 System for random, time accurate access to recorded material |
10/19/1976 | US3987484 Programmed presentation system |
10/12/1976 | US3986208 Data recording with high speed search capability |
10/12/1976 | US3986051 Signal switching apparatus |
10/12/1976 | US3986004 Indexing apparatus for dictating and transcribing systems |