| 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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| 11/21/1989 | US4882635 Rotating drum device for a VCR in which the position of the magnetic head is controlled by a magnetic positioning device |
| 11/21/1989 | US4882634 Apparatus for reproducing information signals by intermittently feeding tape-shaped record bearing medium |
| 11/16/1989 | WO1989011148A2 Tape drive machines |
| 11/15/1989 | EP0341908A2 Record/not record latch for recording cassette |
| 11/15/1989 | EP0341794A2 Method and apparatus for reproduction of magnetic tape by using rotary drum heads |
| 11/15/1989 | EP0341790A2 Method and apparatus for reproducing magnetic tape using rotary drum heads |
| 11/15/1989 | EP0341762A2 Magnetic tape cassette loading system in recording and/or reproducing apparatus |
| 11/15/1989 | EP0341525A2 Assembly for the opto-electronic monitoring of the tape transport in a cassette audio tape apparatus |
| 11/15/1989 | EP0341320A1 Method and device for magnetic recording |
| 11/15/1989 | EP0341319A1 Digital tape recorder |
| 11/15/1989 | EP0341294A1 Webbed scanner window |
| 11/15/1989 | CN2047829U Tape-moving control device for automatic reverse recorder |
| 11/14/1989 | US4881215 Optical recording medium and method for correcting angular deviation thereof |
| 11/14/1989 | US4881145 Tape guide mechanism |
| 11/14/1989 | US4881138 Cassette loading apparatus |
| 11/14/1989 | US4881137 Magnetic tape cassette with tape protective closure and lock mechanism |
| 11/08/1989 | EP0341120A1 Thermo-magnetic recording head |
| 11/08/1989 | EP0341117A1 Interruption and short circuit detecting appliance |
| 11/08/1989 | EP0340931A1 Polyacetal resin composition for sliding member, and guide roller or guide pole made by using the same |
| 11/08/1989 | EP0340842A2 Magnetic-tape cassette apparatus |
| 11/08/1989 | EP0340294A1 Multi-cassette indexing mechanism for a tape transport |
| 11/08/1989 | CN2047437U Luminous display device capable of indicating tape throughput |
| 11/08/1989 | CN2047436U Switch circuit device |
| 11/08/1989 | CN1037046A Action conversion mechanism for driving device of magnetical tape |
| 11/07/1989 | US4879734 Inspection apparatus and method using X-rays |
| 11/07/1989 | US4879614 Apparatus for driving a reel in a tape cartridge for a magnetic instrument |
| 11/07/1989 | US4879613 Cassette tape recorder for multiple cassette tapes |
| 11/07/1989 | US4879609 Rotary head type recording apparatus having an erasing function based on recording mode |
| 11/02/1989 | WO1989010615A1 Cassette for sequential access recording medium and apparatus for use therewith |
| 11/02/1989 | EP0340085A2 Magnetic head matrix device, especially one made of thin films |
| 11/02/1989 | EP0339724A1 Device for recording digital information signal |
| 11/02/1989 | EP0339687A1 Cartridge tape drive |
| 11/02/1989 | EP0339646A2 Stand-by mode setting/releasing device for video cassette recorder |
| 11/02/1989 | EP0339150A1 An apparatus for guiding a leader block and a tape in a tape cartridge for a magnetic instrument |
| 11/02/1989 | EP0339149A1 An apparatus for guiding a leader block in a tape cartridge for a magnetic instrument |
| 11/02/1989 | EP0339148A1 An apparatus for drawing out a leader block in a tape cartridge for a magnetic instrument |
| 11/02/1989 | EP0339107A1 Clutch system, particularly for driving the magnetic tape spindel of magnetic tape recorder and/or player |
| 11/02/1989 | EP0339106A1 Tape drive for tape transport for reversible magnetic tape recorders and/or players |
| 11/01/1989 | CN1036852A Operating devices of tape-recorder |
| 11/01/1989 | CN1005660B Ordinary speed and high speed change mechanism for tape recorder |
| 10/31/1989 | US4878165 Control system with improved robustness to disturbances |
| 10/31/1989 | US4878134 Information signal recording apparatus for aligning helical slant tracks |
| 10/31/1989 | US4878133 Information signal reproducing apparatus in which a plurality of heads are selectively used |
| 10/31/1989 | US4877199 Tape-conveying system for forward and backward playing magnetic tape recorder and/or play-back unit |
| 10/26/1989 | DE3812747A1 Magnetic tape cassette and magnetic tape apparatus |
| 10/26/1989 | DE3812531A1 Device for securing tape-guiding elements in a magnetic tape apparatus |
| 10/25/1989 | EP0338245A2 Recorder with analog recording of a digital audio signal |
| 10/25/1989 | EP0338090A1 Magnetic data recording/reproducing apparatus with high speed tape transfer mechanism |
| 10/24/1989 | US4876614 Track-readjusted magnetic-tape recorder with transverse tracking |
| 10/24/1989 | US4875610 Method of and system for driving magnetic tape |
| 10/19/1989 | DE3911389A1 Servosystem fuer einen motor Servo system for a motor |
| 10/18/1989 | EP0337650A1 Magnetic recording and/or reproducing apparatus |
| 10/18/1989 | EP0337582A2 Video tape recorder servo system having high speed control track lock capability |
| 10/18/1989 | EP0337566A2 Magnetic tape cassette apparatus with a head plate and magnetic head unit for this apparatus |
| 10/18/1989 | EP0337012A2 Sputtering cathode following the magnetron principle |
| 10/18/1989 | CN2046263U Operational mechanism of tape recorder |
| 10/18/1989 | CN2046262U 磁带录音机 Tape recorder |
| 10/18/1989 | CN1036475A Automatic reversal tape driving device |
| 10/17/1989 | US4875129 Inline magnetic head assembly for use in a cassette loaded recorder |
| 10/17/1989 | US4875127 Apparatus and method for precise tape guiding in a magnetic tape transport |
| 10/17/1989 | US4875126 Stationary tape guide for a magnetic tape recorder |
| 10/17/1989 | US4875123 Adjustable audio control-eraser and tape guide assembly for a cassette tape video tape recorder |
| 10/17/1989 | US4875115 Digital signal tape recording/reproducing apparatus with improved servo control |
| 10/17/1989 | US4875113 Automatic stopping device for a tape feeding apparatus |
| 10/17/1989 | US4875111 Apparatus for reproducing a digital signal |
| 10/17/1989 | US4875110 Rotary head apparatus with motor magnet and yoke surrounding motor stator coil |
| 10/17/1989 | US4875109 Record/not record latch for recording cassette |
| 10/12/1989 | DE3908469A1 Cassette recorder |
| 10/12/1989 | DE3811220A1 Magnetic tape apparatus |
| 10/11/1989 | EP0336516A2 Device for adjustment of the azimuth position of a capstan in a magnetic tape apparatus |
| 10/11/1989 | EP0336504A1 Magnetic tape apparatus comprising a control unit for controlling tape buffers, the tape tension and the tape-transport |
| 10/11/1989 | EP0336503A1 Magnetic-tape apparatus comprising a threading mechanism for the displacement of a magnetic tape and a belt so as to form tape buffers |
| 10/11/1989 | CN2045884U Operating mechanism for tape recorder |
| 10/11/1989 | CN2045883U Intelligent double-tape recorder |
| 10/11/1989 | CN1036141A Universal electrotherapeutic device with frequency modulated by varying tape speed |
| 10/10/1989 | US4873597 Head plate operating mechanism for cassette tape player |
| 10/10/1989 | US4873593 Multi-cassette indexing mechanism for a tape transport |
| 10/10/1989 | US4873592 Pinch roller drive engagement mechanism for a communications monitor and logger |
| 10/10/1989 | US4873591 Tape loading device having pair of tape guide post units on pair of rotatable members |
| 10/10/1989 | US4873590 Magnetic recording and reproducing apparatus |
| 10/10/1989 | US4873589 Data recorder and method |
| 10/10/1989 | US4873587 Video signal reproducing apparatus with memory |
| 10/10/1989 | US4873584 Computer control for VCR including display of record playback listing and playback order selection |
| 10/10/1989 | US4873583 Magnetic tape recording/reproducing apparatus |
| 10/05/1989 | WO1989009467A1 Recording system having head transducers with controlled skew |
| 10/05/1989 | DE3810036A1 Circuit arrangement for the speech-recording of broadband signals onto magnetic tape |
| 10/04/1989 | EP0335582A2 Apparatus and method for detecting the end of a tape |
| 10/04/1989 | EP0335572A2 Storing and dispensing system |
| 10/04/1989 | EP0335417A1 Control method for use with magnetic tape having video track and control track |
| 10/04/1989 | EP0335377A2 Magnetic tape high-speed braking apparatus |
| 10/04/1989 | EP0335323A2 Cassette loading device |
| 10/04/1989 | EP0335271A2 Cassette loading device for recording and/or reproducing apparatus |
| 10/04/1989 | CN2045539U Belting and wheel set of recorder-player |
| 10/04/1989 | CN2045538U Tape-recorder |
| 10/03/1989 | US4872075 Tape loading mechanism in magnetic recording and reproducing apparatus |
| 10/03/1989 | US4872073 Apparatus for playback of magnetically recorded data having a variable input rate |
| 10/03/1989 | US4871128 Auto reverse mechanism for tape recorder/playback devices |
| 09/27/1989 | EP0334775A1 Coil switching device |
| 09/27/1989 | EP0334446A1 Loading mechanism and recording and/or reproducing apparatus comprising such a loading mechanism |
| 09/27/1989 | EP0334257A2 Automatic video cassette changer |