| Patents for G11B 15 - Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function (21,557) |
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| 03/13/1991 | CN1049928A 数字信号处理系统 Digital signal processing system |
| 03/13/1991 | CN1049927A Removing lose of magnetic tape for tape recorder |
| 03/12/1991 | US4999827 Recording and/or reproducing apparatus for tape type optical recording medium |
| 03/12/1991 | US4999723 Magnetic recording and reproducing device having a cassette loading mechanism driven by a pinch roller |
| 03/12/1991 | US4999722 Multi-channel information signal reproducing apparatus for reproducing information signals from a tape-shaped record bearing medium having a plurality of areas which respectively extend longitudinally and parallel with each other |
| 03/12/1991 | US4998686 Mechanical structure for video tape rewinder |
| 03/07/1991 | WO1991003126A2 Process and device for sender-side controlled operation of a receiver-side appliance |
| 03/07/1991 | WO1991003044A1 Process and device for copying magnetic tapes |
| 03/07/1991 | DE3929274A1 LOading mechanism for video tape cassettes - uses combination of lever and springs to load cassette vertically |
| 03/06/1991 | EP0415454A2 Magnetic storage apparatus having small diameter |
| 03/06/1991 | EP0415411A2 Cassette loading device for recording/reproducing apparatus |
| 03/06/1991 | CN2072718U 磁带录音机 Tape recorder |
| 03/06/1991 | CN1049737A Magnetic tape cassette loading system in recording and/or reproducing apparatus |
| 03/06/1991 | CN1011928B Tape vidio recorder |
| 03/06/1991 | CN1011927B Auto-reverse tape recording and reproducing apparatus |
| 03/06/1991 | CN1011926B Brack system for magnetic recording and reproducing apparatus |
| 03/06/1991 | CN1011925B Recording and reproducing apparatus |
| 03/05/1991 | CA1281129C Apparatus for reproducing video signals as slow-motion pictures |
| 02/28/1991 | DE4026448A1 Magnetic tape recording and playback equipment - uses position by time differential circuit in conjunction with control circuit to control tape running |
| 02/28/1991 | DE3932059A1 Verfahren und einrichtung zum kopieren von magnetbaendern Method and device for copying magnetbaendern |
| 02/28/1991 | DE3928188A1 Verfahren und einrichtung zum senderseitig gesteuerten betaetigen eines empfaengerseitigen geraetes Method and device for the transmitter end controlled actuation of a device empfaengerseitigen |
| 02/27/1991 | EP0414544A2 Carrier with external interlock for videocassette |
| 02/27/1991 | EP0414543A2 Carrier with thumb wind tape advance for videocassette |
| 02/27/1991 | EP0414323A2 Recording and/or reproducing apparatus for a tape-like recorder |
| 02/27/1991 | EP0414322A2 Recording and/or reproducing apparatus for a tape-like recorder |
| 02/27/1991 | CN2072263U Electronic detector for indicating rewinding end of rewinder |
| 02/26/1991 | US4996612 Cassette loading apparatus having optimum error protection device |
| 02/26/1991 | US4996607 Audio signal recording apparatus |
| 02/26/1991 | US4996466 Circuit for controlling a tape tension during search mode |
| 02/26/1991 | US4995570 Magnetic recording/reproducing apparatus |
| 02/26/1991 | US4995199 Magnetic tape cassette having improved guide pole structure |
| 02/25/1991 | CA2020383A1 Carrier with external interlock for videocassette |
| 02/25/1991 | CA2020376A1 Carrier with thumb wind advance for videocassette |
| 02/21/1991 | WO1991002430A1 Digital signal processing system |
| 02/21/1991 | WO1991002355A1 A recording and play-back system, primarily a video system, using tape cassettes |
| 02/21/1991 | WO1990016062A3 Integrated magnetic recording head |
| 02/20/1991 | EP0413288A2 Video recorder with automatic search mode |
| 02/20/1991 | EP0413126A1 Control system for cassette-recorder |
| 02/20/1991 | EP0412993A1 Tape drive machines. |
| 02/20/1991 | CN1011743B Automatic stopping means of tape drive apparatus |
| 02/20/1991 | CN1011742B Tape recorder |
| 02/20/1991 | CN1011741B Automatic recording apparatus |
| 02/20/1991 | CN1011740B Recorder for re-recording |
| 02/19/1991 | US4994723 Digital servo system for controlling rotational speed of rotary body |
| 02/19/1991 | US4993851 Rotary structure |
| 02/19/1991 | US4993661 Tape cassette with tape leader detection improvements |
| 02/19/1991 | US4993660 Reel drive device |
| 02/19/1991 | US4993659 Tape twine detecting device |
| 02/19/1991 | US4993658 Video tape cassette winding device |
| 02/19/1991 | US4993197 Magnetic tape cassette having improved guide pole structure |
| 02/19/1991 | CA1280510C2 Magnetic tape system with command prefetch means |
| 02/14/1991 | DE4023866A1 Time and date controller for video tape recorder - uses time and date information in horizontal synchronisation signal to compare with preset required item and date recorder setting |
| 02/14/1991 | DE3926213A1 Examination system for traffic space photo-technical properties - has software controlled process computer, supplied with analog video camera video signals, recorded by video recorder |
| 02/13/1991 | EP0412808A2 Tape cartridge loading/unloading apparatus |
| 02/13/1991 | EP0412354A2 Interactive video system |
| 02/13/1991 | CN2071373U Improved video tape rewinding machine |
| 02/13/1991 | CN2071372U Simple automatic turn-off device of recorder |
| 02/13/1991 | CN1011641B Combination of magnetic-tape-cassette apparatus |
| 02/13/1991 | CN1011640B Tape winding device for videorecorder |
| 02/12/1991 | US4992900 Head wheel arrangement having a rotating nuts with reduced backlash for a recorder |
| 02/12/1991 | US4992895 Idling rotation mechanism used in the housing of a video cassette tape recorder |
| 02/12/1991 | US4992894 Cassette loading mechanism |
| 02/12/1991 | US4991888 Child-proofing device for tape cassette players |
| 02/10/1991 | CA2022434A1 Tape cartridge loading/unloading apparatus |
| 02/07/1991 | DE4024316A1 Brake actuator for VCR machine - has linkages with pads operated by single control disc |
| 02/06/1991 | CN2070942U Ejector for rewinder of video |
| 02/06/1991 | CN1049081A Still/slow circuit for vtr with two heads |
| 02/05/1991 | US4991205 Personal identification system and method |
| 02/05/1991 | US4991043 Tape cassette loading system |
| 02/05/1991 | US4991041 Apparatus for moving a cassette between storage and receiving locations |
| 02/05/1991 | US4991040 Tape recorder which displays unrecorded time on magnetic tapes |
| 02/05/1991 | US4991039 Apparatus for detecting tape-end |
| 02/05/1991 | US4991038 Magnetic tape record/reproduce apparatus |
| 02/05/1991 | US4991037 Apparatus for manipulating a magnetic tape cartridge and the magnetic tape contained therewithin |
| 02/05/1991 | US4991036 Moving data storage media mode/direction change optimization |
| 02/05/1991 | US4991035 Reproducing a recording from a rotary head type tape recorder with tracking control |
| 02/05/1991 | US4991033 Signal processing method and device for digital signal reproduction apparatus |
| 02/05/1991 | US4991031 Rotating head type reproducing apparatus |
| 02/05/1991 | US4991025 Arrangement for automatically switching a videorecorder on and off in the absence of a code signal but in presence of a FBAS signal |
| 02/05/1991 | CA1279929C Adaptive rewind for tape drive |
| 01/31/1991 | DE3924107A1 Motorised cassette operation of cassette tape recorders - uses three cams to control insertion and raising of cassette and head movement |
| 01/30/1991 | EP0410804A2 Rotary head device |
| 01/30/1991 | CN1048946A System for recording/reproducing signals on/from a magnetic tape in a cassette |
| 01/29/1991 | US4989191 Data processing system with mixed media memory packs |
| 01/29/1991 | US4989112 Apparatus for discriminating types of tape cassettes |
| 01/29/1991 | US4989110 Full radius carrier to drum contact in a rotary head scanner |
| 01/29/1991 | US4989105 Front-loading |
| 01/29/1991 | US4989104 Apparatus for recording and quickly retrieving video signal parts on a magnetic tape |
| 01/29/1991 | US4989102 Apparatus for magnetically recording and/or reproducing digital signals in a plurality of modes having different formats |
| 01/29/1991 | US4989101 Tape synchronizing apparatus having self-correcting offset calculation |
| 01/29/1991 | US4988056 Reel motor braking apparatus for video cassette tape recorder |
| 01/23/1991 | EP0409675A1 Multitrack magnetic head with high field contrast |
| 01/23/1991 | EP0409673A2 Integrated magnetic recording head |
| 01/23/1991 | EP0409548A2 Tracking error detection system |
| 01/23/1991 | CN1048765A Magnetic-tape cassette |
| 01/22/1991 | US4987504 Drive and winding reel arrangement in a magnetic recording and reproducing device |
| 01/22/1991 | US4987503 Method to produce pre-recorded tape cassettes |
| 01/22/1991 | US4987501 Amplifying device |
| 01/22/1991 | CA1279267C Transcription control over plural interconnected modules |
| 01/17/1991 | DE3923041A1 Magnetic video tape recorder - transfers head signals via transformer without noise component |