| 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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| 04/22/1980 | US4199795 Cartridge receiving and locking mechanism |
| 04/22/1980 | US4199794 Dual tape transport system with tensioning means |
| 04/22/1980 | US4199793 Digital recording |
| 04/22/1980 | US4199792 Tape end warning apparatus |
| 04/22/1980 | US4199791 Automatic recording system |
| 04/22/1980 | US4199766 Random-dump storage buffer for moving web |
| 04/22/1980 | US4199092 Flexure mount for capstan motor |
| 04/22/1980 | CA1076088A1 Automatic interruption mechanism suitable for magnetic-tape recording and/or playback apparatus |
| 04/16/1980 | EP0009673A1 Recording and/or reproducing apparatus for information carriers provided with a magnetisable area |
| 04/16/1980 | EP0009579A1 Control of operation for addressed accessing to recorded information sequences on electromotor-driven information carriers, in particular for magnetic tapes |
| 04/16/1980 | EP0009550A1 Method and circuit for shortening the stopping distance of the tape in magnetic tape recorders |
| 04/15/1980 | US4198665 Pivotable cassette holder for a magnetic tape recorder apparatus |
| 04/15/1980 | US4198664 Nonrecorded section detection in a tape recorder apparatus |
| 04/15/1980 | US4198549 Multiplexed central dictation system |
| 04/15/1980 | US4198013 Tensioning means for belt driven tape cassette |
| 04/15/1980 | CA1075809A1 Video tape recorder |
| 04/08/1980 | US4196984 Cinecamera equipment capable of synchronous sound recording |
| 04/08/1980 | US4196875 Magnetic tape recording and/or reproducing apparatus |
| 04/08/1980 | US4196874 Drive apparatus for tape recorder |
| 04/08/1980 | US4196873 Two tape-cartridge type magnetic-tape recording/reproducing apparatus |
| 04/08/1980 | US4196872 Tape transport apparatus with translative friction force system |
| 04/08/1980 | CA1075348A1 Dual motor web material transport system |
| 04/08/1980 | CA1075163A1 Apparatus for variably selecting the capacity of a recording medium in a recording system |
| 04/01/1980 | US4196457 Magnetic tape rotary headwheel assembly with venting means |
| 04/01/1980 | US4196375 A.C. tape reel servo |
| 04/01/1980 | US4195797 Tape cassette |
| 04/01/1980 | CA1074911A1 Recording and/or reproducing apparatus control system |
| 03/25/1980 | US4195319 Apparatus for detecting information index signal from magnetic tape |
| 03/25/1980 | US4194704 Auto shut-off apparatus for cassette tape recorder |
| 03/25/1980 | US4194662 Web director |
| 03/25/1980 | US4194661 Tape advancing methods and apparatus |
| 03/25/1980 | CA1074443A2 Head to track alignment in a rotating head magnetic tape unit |
| 03/25/1980 | CA1074442A2 Head to track alignment in a rotating head magnetic tape unit |
| 03/25/1980 | CA1074440A1 Tape recorder |
| 03/25/1980 | CA1074439A1 Method and apparatus for automatic dictation playback control |
| 03/25/1980 | CA1074438A1 Dictation rate controller and method |
| 03/19/1980 | EP0008920A1 Magnetic tape transport mechanism |
| 03/18/1980 | US4194229 Mode selecting assembly for recording and/or reproducing apparatus |
| 03/18/1980 | US4194222 Multitrack recorder including superimposed real time code |
| 03/18/1980 | US4194196 Illuminated master calendar and message recording system |
| 03/11/1980 | US4193103 Magnetic transducer head |
| 03/11/1980 | US4193100 Control circuit |
| 03/11/1980 | CA1073550A1 Tape playing machine |
| 03/11/1980 | CA1073426A1 Tape transport arrangement for tensioning and transporting a magnetic tape |
| 03/11/1980 | CA1073425A1 Device for the intermittent transport of record carriers in the form of a tape |
| 03/04/1980 | US4191979 Device for extracting and positioning video tape from a cassette to around a slit head drum |
| 03/04/1980 | CA1073099A1 Electric control system for magnetic sheet recording and reproducing apparatus for audiovisual instruction |
| 03/04/1980 | CA1072993A1 Transport apparatus with differential force system |
| 03/04/1980 | CA1072938A1 Tape cassette |
| 03/04/1980 | CA1072934A1 Series coupling for springs |
| 02/26/1980 | US4190869 Slow motion tape driving system in a recording and/or reproducing apparatus |
| 02/26/1980 | US4190215 Tape recorder stopping mechanism |
| 02/26/1980 | CA1072678A1 Cleaning jacket |
| 02/26/1980 | CA1072677A1 Electric device for use in a transcriber |
| 02/26/1980 | CA1072676A1 Tape recorder |
| 02/26/1980 | CA1072675A1 Solenoid operated transcriber mechanism |
| 02/26/1980 | CA1072386A1 Pinch roller moving devices for simultaneous image and sound recording cinecameras |
| 02/20/1980 | EP0008209A1 Composition for cleaning and surface treatment of phonograph records and similar objects and its use |
| 02/19/1980 | US4189758 Apparatus for controlling the scanning path of a rotary transducer |
| 02/19/1980 | US4189115 Auto-loading magnetic tape |
| 02/19/1980 | US4189114 Fast rewinding device for cassette tapes |
| 02/19/1980 | US4189113 Isolation pocket for rack mounted tape drive |
| 02/19/1980 | US4189079 Controllable drive for tape recorder |
| 02/19/1980 | CA1072204A1 Information retrieval machine |
| 02/19/1980 | CA1072203A1 Magnetic recording system |
| 02/12/1980 | US4188647 Cassette type tape recorder |
| 02/12/1980 | US4187997 Vacuum control system for magnetic tape handler |
| 02/12/1980 | CA1071767A1 Video disc player for playing records of different thickness |
| 02/12/1980 | CA1071758A1 Mode selecting device for tape recording and/or reproducing apparatus |
| 02/12/1980 | CA1071757A1 Head switching control apparatus for use in a video signal processing system |
| 02/12/1980 | CA1071607A1 Tape cassette |
| 02/06/1980 | EP0007494A1 Guiding device for a recording tape, in particular a magnetic tape |
| 02/05/1980 | US4187522 Magnetic tape player comprising electromagnetic latch device |
| 02/05/1980 | US4186891 Endless tape winding device |
| 02/05/1980 | CA1071327A1 Cassette tape recording and/or reproducing apparatus |
| 02/05/1980 | CA1071326A1 Automatic tape reel mount |
| 02/05/1980 | CA1071325A1 Head to track alignment in a rotating head magnetic tape unit |
| 01/29/1980 | US4185795 Magnetic tape drive with friction compensation |
| 01/29/1980 | US4185794 Gear-driven change-over mechanism |
| 01/29/1980 | CA1070830A1 Magnetic tape cleaning and tensioning apparatus |
| 01/29/1980 | CA1070829A1 Locking and drive mechanism for magnetic tape cartridge |
| 01/29/1980 | CA1070828A1 Tape deck with drive motor remote from drive roller |
| 01/29/1980 | CA1070826A1 Circuit for demodulating a pulse width modulated signal |
| 01/23/1980 | EP0007200A1 Method and apparatus for controlling the reading of information from an information storage medium |
| 01/22/1980 | CA1070423A1 Helical scan magnetic recording device having a folded mounting plate |
| 01/15/1980 | US4184185 Cassette tape ejecting mechanism |
| 01/15/1980 | US4184182 Control mechanism for the movements of a tape cassette in a tape cassette recorder |
| 01/15/1980 | US4184181 Method and device for tracking video signals on a magnetic tape by detecting phase jumps |
| 01/15/1980 | US4184180 File protect and amount of tape sensing apparatus |
| 01/15/1980 | US4183475 Apparatus for mounting a hollow cylindrical member |
| 01/15/1980 | CA1070010A1 Random selection control system for recording tape cartridges |
| 01/09/1980 | EP0006754A1 Testing apparatus for cassette type tape recorders |
| 01/09/1980 | EP0006238A1 Magnetic recording tape cartridge |
| 01/09/1980 | EP0006142A1 Protective circuit arrangement for data recorded on a magnetic tape |
| 01/08/1980 | US4183068 Magnetic tape transport mechanism |
| 01/08/1980 | US4183067 Helical scan VTR with means for displacing head along track direction |
| 01/08/1980 | CA1069613A1 Magnetic recording system |
| 01/01/1980 | US4181272 Tape cassette reel |
| 01/01/1980 | US4181271 Spool with external hooks for winding material in the form of tape |
| 12/27/1979 | WO1979001142A1 Transcriber having selectable word reproduction rate |