| 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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| 08/08/1989 | US4854662 Optical data signal apparatus for optically coupling a plurality of data channels between stationary and rotating systems |
| 08/08/1989 | US4854518 Hub setting device |
| 08/03/1989 | DE3802276A1 Magnetic tape apparatus |
| 08/02/1989 | EP0326369A2 A magnetic recording and reproducing apparatus |
| 08/02/1989 | EP0326255A2 Motor control apparatus |
| 08/02/1989 | EP0326219A1 Rotatable magnetic-head unit for a magnetic apparatus |
| 08/02/1989 | EP0326009A1 Ground circuit apparatus for electronic equipment |
| 08/02/1989 | EP0182901B1 Magnetic tape apparatus |
| 08/02/1989 | CN2042230U Sound-controlled switch for radio cassette |
| 08/01/1989 | US4853809 Apparatus for reproducing video signals as slow-motion pictures |
| 08/01/1989 | US4853805 Multi-cassette indexing mechanism for a tape transport |
| 08/01/1989 | US4853804 Magnetic recording and/or reproducing apparatus |
| 08/01/1989 | US4853803 Multi-mode and multi-channel reproducing apparatus with channel change coordinated with mode change |
| 08/01/1989 | US4852825 Extraction and insertion mechanism for a leader block of a tape cartridge |
| 07/26/1989 | EP0325166A2 Head wheel arrangement for a recorder |
| 07/25/1989 | US4851940 Longitudinal recording and/or reproducing apparatus |
| 07/25/1989 | US4851938 Cassette loading device |
| 07/25/1989 | US4851935 Drum assembly for a magnetic recording and reproducing apparatus |
| 07/25/1989 | US4851059 Non-magnetic high hardness austenitic stainless steel |
| 07/25/1989 | US4850485 Cartridge magazine |
| 07/19/1989 | EP0324126A1 Sound reproducing apparatus |
| 07/19/1989 | CN2041447U 磁带录音机 Tape recorder |
| 07/19/1989 | CN1034084A Rotary magnetic head device |
| 07/18/1989 | US4849839 Magnetic tape recording and/or reproducing apparatus rotary head assembly having sweeping device |
| 07/18/1989 | US4849831 Video tape editing apparatus for inserting video signals while retaining prerecorded audio signals |
| 07/18/1989 | US4849539 Method of making acrylonitrile |
| 07/18/1989 | US4848699 Car-shaped video tape rewinder |
| 07/18/1989 | US4848698 Method for writing and means for reading position-indicating markers on tape |
| 07/13/1989 | WO1989006425A1 Inline magnetic head assembly for use in a cassette loaded recorder |
| 07/13/1989 | WO1989006420A1 Contoured head assembly for use in a cassette loaded recorder |
| 07/13/1989 | DE3742828A1 Method of inserting and fastening exactly in position bearing and guiding parts in a chassis of an apparatus |
| 07/12/1989 | EP0323910A2 Search methods for recording media |
| 07/12/1989 | EP0323890A2 Data storage method |
| 07/12/1989 | EP0323576A2 Tape cassette loading mechanism in tape player |
| 07/12/1989 | CN2041063U 磁带录音机 Tape recorder |
| 07/11/1989 | US4847714 Magnetic head adjusting device for a double cassette tape player |
| 07/11/1989 | US4847711 Charge grounding hinge mechanism |
| 07/11/1989 | US4847710 Multitrack recording apparatus which stops the recording medium on the basis of recorded musical timing data |
| 07/11/1989 | US4847706 Control circuit for double deck cassette tape recorder |
| 07/11/1989 | US4846619 Robotic materials handling system |
| 07/11/1989 | US4846420 Magnetic tape loading method and apparatus |
| 07/11/1989 | EP0224498A4 Record playback counter. |
| 07/11/1989 | CA1257386A1 Method of and system for controlling video tape recorder with computer |
| 07/06/1989 | DE3743839A1 Dictating machine with short-rewind function |
| 07/06/1989 | DE3743838A1 Answering machine |
| 07/05/1989 | EP0323188A2 Magnetic recording and reproducing head unit |
| 07/05/1989 | EP0323167A2 Helical scan tape record apparatus and method |
| 07/05/1989 | EP0322853A2 Guide post for magnetic tapes |
| 07/05/1989 | EP0322652A1 Recording and/or reproducing apparatus for tape type optical recording medium |
| 07/05/1989 | CN2040666U Auttomatic stopper for tape transport |
| 07/05/1989 | CN1033709A Drum assembly in magnetic recording/reproducing apparatus and manufacturing method therefor |
| 07/05/1989 | CN1033708A Automatic stoping device for going tape mechanism |
| 07/04/1989 | US4845577 Apparatus and method for enabling rapid searching of helically recorded magnetic tape |
| 07/04/1989 | US4844564 Holder for tape cartridges |
| 07/04/1989 | US4844370 Method and device for winding magnetic tape using magnetic alignment |
| 07/04/1989 | US4844367 Endless loop transport and storage system |
| 07/04/1989 | CA1256809A1 Recording method and a recording and/or reproducing apparatus |
| 06/29/1989 | DE3743219A1 Magnetic-tape apparatus |
| 06/28/1989 | EP0322119A2 Information reproducing apparatus for recording tape |
| 06/28/1989 | EP0322056A2 Recording and/or reproducing apparatus for a tape-like record carrier |
| 06/28/1989 | CN2040275U Keeping device for tape case |
| 06/28/1989 | CN2040273U Magnetic tape driving system |
| 06/28/1989 | CN1033541A Device for changing the position of functional element in electrical apparatus |
| 06/28/1989 | CN1004661B Cassette tape recorder with two stages reels mechanism |
| 06/27/1989 | US4843510 Magnetic tape cassette with tape protective closure and lock mechanism |
| 06/27/1989 | US4843501 Disc handling apparatus |
| 06/27/1989 | US4843499 Tape winding direction switch device of cassette tape recorder |
| 06/27/1989 | US4843495 Cyclical servo zone tracking method and apparatus for helical scan recording devices |
| 06/27/1989 | US4843493 Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor |
| 06/27/1989 | US4843492 Automatic cassette tape recorder stop mechanism for use with a plurality of tapes |
| 06/27/1989 | US4843491 Recording and reproducing apparatus with track pitch detection |
| 06/27/1989 | US4843490 System for discriminating between two tape assemblies of different recording characteristics to be loaded interchangeably in data transfer apparatus |
| 06/27/1989 | US4843488 Noise elimination circuit for reproduction of audio signals in a magnetic tape recording and reproducing apparatus |
| 06/27/1989 | US4843487 Tape transporting device |
| 06/27/1989 | US4842210 Method and device for winding magnetic tape using magnetic alignment |
| 06/27/1989 | US4842177 Air bearing tape support for guiding tape and sensing tape tension |
| 06/27/1989 | CA1256560A1 Automatic cassette loading and unloading apparatus |
| 06/27/1989 | CA1256559A1 Compact cassette tape player |
| 06/22/1989 | DE3742228A1 Magnetic-tape apparatus |
| 06/21/1989 | EP0321001A1 Device for moving a function part in an electrical apparatus and electromagnetical device for use in prior device |
| 06/21/1989 | EP0320851A2 Condensation preventing apparatus |
| 06/21/1989 | EP0320744A2 Video recorder with a device for recording an additional control track on a video tape |
| 06/21/1989 | EP0320743A2 Video recorder with a video tape comprising an additional control track |
| 06/21/1989 | EP0320708A2 Video recording device with a memory for preferred programmes |
| 06/20/1989 | US4841503 System for recording information from one recording medium onto a reversing cassette tape recording medium without loss of information during a reversing operation |
| 06/20/1989 | US4841392 Tape loading apparatus having an arrangement for controlling movement of a guide roller holder arm |
| 06/20/1989 | US4841391 Rotary head type recording and/or reproducing apparatus having mode selecting mechanism |
| 06/20/1989 | US4841390 Digital signal reproducing apparatus |
| 06/20/1989 | US4841388 Recording apparatus for rerecording by repositioning recording medium |
| 06/20/1989 | US4841386 Cassette recorder with recording programming |
| 06/20/1989 | US4841381 Still reproduction controlling circuit |
| 06/20/1989 | US4841380 Reproducing apparatus for intermittently driving recording medium |
| 06/20/1989 | US4841378 Video camera enablement system utilizing a video cassette characteristic |
| 06/20/1989 | US4841132 Program recording scheduling apparatus using an optical reader |
| 06/20/1989 | US4839959 Method of forming a magnetic head |
| 06/20/1989 | CA1256204A1 Video tape recorder having rotary recording, auxiliary and erasing heads, a circuit for short circuiting the auxiliary head during erasing |
| 06/15/1989 | DE3901666A1 Verfahren zur magnetkopfreinigung und vorrichtung zur durchfuehrung des verfahrens A method for magnetic head cleaning and device for implementing the method |
| 06/15/1989 | DE3740947A1 Control device on a magnetic-tape apparatus |
| 06/14/1989 | EP0319646A1 Reversing mechanism for reversing the tape drive of a tape recorder with reverse mode |
| 06/14/1989 | EP0319530A1 Magnetic or other recording device with one or more rotating engraving heads. |