| 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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| 03/20/1979 | CA1050952A1 Tape cartridge drive |
| 03/13/1979 | CA1050630A1 Humidity sensor |
| 03/06/1979 | US4143358 Wand lamp control |
| 03/06/1979 | US4143259 Method of fabricating stainless steel aluminum rotor |
| 03/06/1979 | CA1050164A1 Tape pressure pad for cassette tape recorder |
| 03/06/1979 | CA1050066A1 Tape cartridge having a shutter with self-locking function |
| 03/06/1979 | CA1049989A1 Cassette tape recorder |
| 02/27/1979 | USRE29922 Track selection control means for magnetic signal recording and reproducing systems |
| 02/27/1979 | USRE29921 Electrocardiographic computer |
| 02/27/1979 | US4142221 NAB tape cartridge eraser and splice finder |
| 02/27/1979 | US4142217 Switching device for a tape recorder |
| 02/27/1979 | US4142215 Tape drive tester |
| 02/27/1979 | US4141546 Mini-collator/sorter |
| 02/27/1979 | US4141494 Digital code reader |
| 02/20/1979 | US4141048 Video signal recording and/or reproducing apparatus |
| 02/20/1979 | US4141045 Random selection control system for recording tape cartridges |
| 02/20/1979 | CA1049140A1 Apparatus and method for sensing the condition of a tape within a tape cassette |
| 02/20/1979 | CA1048982A1 Cassette-type magnetic tape player |
| 02/20/1979 | CA1048938A2 Control current generator for central dictation system |
| 02/13/1979 | US4139875 Cassette and card recording and/or reproducing apparatus |
| 02/13/1979 | US4139873 Method and apparatus for video signal recording |
| 02/13/1979 | US4139872 Video signal reproducing apparatus with a track searching arrangement |
| 02/13/1979 | US4139871 Eight-head magnetic video tape recording and reproducing apparatus with rotary transformer |
| 02/13/1979 | US4139870 Circuit for demodulating a pulse width modulated signal |
| 02/13/1979 | US4139169 Reel disc device in a recording and/or reproducing apparatus |
| 02/13/1979 | US4139168 Tape cassette |
| 02/13/1979 | US4139167 Cassette tape recorder |
| 02/13/1979 | US4139165 Parallel-feed tape spooling apparatus for concurrent winding of magnetic tapes onto a plurality of spools of the type used in endless tape cartridges |
| 02/13/1979 | CA1048642A1 Article conveying |
| 02/13/1979 | CA1048641A1 Method and apparatus for mounting a cassette record-playback head |
| 02/06/1979 | US4138704 Operating mechanism of tape recorder |
| 02/06/1979 | US4138701 Cassette ejector for tape recorder with both play and ejection inhibit |
| 02/06/1979 | US4138699 Automatic tape loading type recording and/or reproducing apparatus |
| 02/06/1979 | US4138698 Magnetic tape control system |
| 02/06/1979 | US4138695 Cassette central dictation system |
| 02/06/1979 | US4137789 Drive assembly for a magnetic-tape device |
| 02/06/1979 | CA1048149A1 Rotating head apparatus having a protruding diameter headwheel which supports a protruding flying head |
| 02/06/1979 | CA1048146A1 Speed and phase control system |
| 02/06/1979 | CA1048142A1 Last line velocity compensation |
| 02/06/1979 | CA1048069A1 High speed tape-travelling |
| 02/06/1979 | CA1047941A2 Control signal decoder particularly for a central dictation system |
| 01/30/1979 | US4136843 Tape cassette having reel locking means therein |
| 01/30/1979 | CA1047639A1 Apparatus for magnetically recording and/or reproducing video signals and which has a still motion reproducing mode of operation |
| 01/23/1979 | US4136367 Apparatus for reproducing and/or recording magnetic tape in cassettes |
| 01/23/1979 | US4136366 Cassette tape recorder and method for producing the same |
| 01/23/1979 | US4135413 Device or arrangement of parts for elastically loading movable member |
| 01/23/1979 | CA1047015A1 Tape transport |
| 01/16/1979 | US4135220 Mechanism to prevent unwanted tape ejection in a magnetic tape device |
| 01/16/1979 | US4135216 Switching arrangement for a tape recorder |
| 01/09/1979 | US4134145 Tape recorder with cue/review switching |
| 01/09/1979 | US4134142 Cassette tape player |
| 01/09/1979 | US4134141 Recording and reproducing means |
| 01/09/1979 | US4134130 Method and apparatus of inserting an address signal in a video signal |
| 01/09/1979 | US4133498 Drive device for a tape recorder |
| 01/09/1979 | US4133497 Tape cassette drive including means for reducing tape transport start-up shock |
| 01/09/1979 | US4133494 Tape driving apparatus |
| 01/02/1979 | US4133014 Apparatus for reproducing and/or recording magnetic tape in cassettes |
| 01/02/1979 | US4133013 Video cassette changer-programmer |
| 01/02/1979 | US4133012 Magnetic recording and reproducing device |
| 01/02/1979 | US4132607 Process for forming a capstan |
| 01/02/1979 | CA1045715A1 Recording and/or reproducing apparatus |
| 01/02/1979 | CA1045713A1 Cassette holding device for tape recording and/or reproducing apparatus |
| 01/02/1979 | CA1045712A1 Pause device for tape recorder |
| 01/02/1979 | CA1045608A1 Reel for computer magnetic tape |
| 01/02/1979 | CA1045607A1 Tape cassette |
| 12/26/1978 | US4131925 Edge guide for cooperation with a coaxial reel cassette |
| 12/26/1978 | US4131922 Operation device of tape recorder |
| 12/26/1978 | US4131243 Tape cassette |
| 12/26/1978 | US4131001 Method to prevent unauthorized use of cassette tape recorders and a device according to the method |
| 12/26/1978 | CA1045244A1 Magnetic recording and reproducing apparatus |
| 12/26/1978 | CA1045243A2 Tape motion control in an incrementing magnetic tape transport |
| 12/26/1978 | CA1045242A1 Automatic shutoff mechanism for magnetic tape recording and reproducing apparatus |
| 12/19/1978 | US4130849 Indexed memory coordinator |
| 12/19/1978 | US4130848 Cassette tape recording and/or reproducing apparatus |
| 12/19/1978 | US4130843 Record inhibit defeat in a recording and reproducing apparatus |
| 12/19/1978 | US4130739 Circuitry for compression of silence in dictation speech recording |
| 12/19/1978 | US4130257 Tape drive mechanism |
| 12/19/1978 | CA1044803A1 Remote control transcribing device |
| 12/19/1978 | CA1044802A1 Tape motion control in an incrementing magnetic tape transport |
| 12/12/1978 | US4129892 Back-up pressure mechanism with tensioned elongated member |
| 12/12/1978 | US4129890 Magnetic recording and reproducing apparatus |
| 12/12/1978 | US4129889 Magnetic recording/reproducing apparatus using cassette |
| 12/12/1978 | US4129810 Switching motor control system |
| 12/12/1978 | CA1044367A1 Rotary head assembly forming air bearing with tape |
| 12/12/1978 | CA1044207A1 Container for magnetic tape |
| 12/05/1978 | US4128853 Operating mechanism of tape recorder |
| 12/05/1978 | US4128852 Tape transport mechanism for recording and playing back video signals |
| 12/05/1978 | US4128198 Endless tape loop storage apparatus |
| 12/05/1978 | US4128015 Device for the storage of power and its controllable, slow rate release |
| 12/05/1978 | CA1043905A1 Magnetic recording apparatus |
| 11/28/1978 | US4127883 Supporting mechanism for magnetic tape recorder |
| 11/28/1978 | US4127881 Tracking control system for magnetic video recording and reproducing system |
| 11/28/1978 | US4127880 Tape recorder with coupling between the recording-switch and sound-level regulator |
| 11/28/1978 | US4127239 Endless sound reproducing tape cartridge |
| 11/21/1978 | US4126888 Magnetic recording and reproducing apparatus of rotating head type |
| 11/21/1978 | US4126284 Magnetic tape drive device |
| 11/21/1978 | CA1043012A1 Transverse track location |
| 11/21/1978 | CA1042933A1 Endless tape cartridge |
| 11/14/1978 | US4125881 Tape motion control for reel-to-reel drive |
| 11/14/1978 | US4125865 Recording system |