| 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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| 03/12/1985 | US4504876 Miniature type tape cassette |
| 03/12/1985 | US4504875 Information scanning circuit for use with a detachable portable _cassette tape recorder |
| 03/12/1985 | US4504027 Magnetic tape clamping device |
| 03/12/1985 | US4504025 Tape processing apparatus |
| 03/12/1985 | CA1183946A1 Cassette auto changer |
| 03/12/1985 | CA1183945A1 Tracking control system for an information signal recording and reproducing apparatus |
| 03/12/1985 | CA1183943A1 Dictation recording and transcribing system utilizing a multiple media cartridge apparatus |
| 03/06/1985 | EP0133822A1 Cassette tape recording and/or reproducing apparatus |
| 03/06/1985 | EP0035542B1 Composite magnetic head with multitrack support structure |
| 03/05/1985 | US4503476 Magnetic tape-cassette apparatus comprising at least two push-buttons |
| 03/05/1985 | US4503471 Control arrangement for electronic appliance |
| 03/05/1985 | US4502647 Tape attached sensor |
| 03/05/1985 | CA1183603A1 Apparatus and method for determining read head position |
| 03/05/1985 | CA1183602A1 High-speed reproducing system in magnetic reproducing apparatus |
| 02/27/1985 | EP0133574A1 Clock frequency detector |
| 02/19/1985 | US4500933 Universal interface unit |
| 02/19/1985 | US4500822 Digital capstan servo circuit |
| 02/19/1985 | US4500817 Tape tension sensor and servo embodying same |
| 02/19/1985 | US4500752 Telecontrol system for an audio recorder of a radio telephone |
| 02/19/1985 | US4500049 Device for automatically stopping a tape recorder |
| 02/19/1985 | US4499783 Tape recording machine |
| 02/19/1985 | CA1182906A1 Tape entrainment device with a movable entrainment roller |
| 02/13/1985 | EP0133045A2 Cassette tape recording and/or reproducing apparatus |
| 02/13/1985 | EP0133025A1 Cassette tape recording and/or reproducing apparatus |
| 02/13/1985 | EP0133013A1 Cassette tape recording and/or reproducing apparatus |
| 02/13/1985 | EP0132918A2 Magnetic tape recording and reproducing apparatus |
| 02/12/1985 | US4499513 Recording and/or reproducing apparatus |
| 02/12/1985 | US4499512 Reel drive system of magnetic recording and reproducing apparatus |
| 02/12/1985 | US4499509 For video tape recorders |
| 02/12/1985 | US4499504 Video system |
| 02/12/1985 | CA1182560A1 Web aligning system |
| 02/05/1985 | US4498115 Magnetic-tape cassette having a capstan cleaning device |
| 02/05/1985 | US4498112 Tape cartridge receptacle |
| 02/05/1985 | US4498107 Document information filing system |
| 02/05/1985 | US4497459 Tape drive control apparatus |
| 02/05/1985 | US4497426 Mechanism of controlling parallelism between the pinch roller and capstan shaft |
| 02/05/1985 | CA1182210A1 Drum servo control arrangement |
| 01/29/1985 | US4497001 Auto-reverse mechanism for use in magnetic recording/reproducing apparatus |
| 01/29/1985 | US4497000 Magnetic recording/reproducing apparatus |
| 01/29/1985 | US4496998 Video tape recorder with delayed control signal recording upon restart |
| 01/29/1985 | US4496117 Web transport device |
| 01/29/1985 | CA1181842A1 Magnetic tape transducing apparatus |
| 01/23/1985 | EP0131727A2 Two-module-head, read-after-write bi-directional tape drive |
| 01/22/1985 | US4495535 Wheel-driven mode switching mechanism for cassette tape recorders |
| 01/22/1985 | US4495534 Tape player |
| 01/22/1985 | US4495532 Tape player |
| 01/22/1985 | US4495527 Video recording system with focusing device |
| 01/22/1985 | US4495526 Method and apparatus for identifying sound recordings |
| 01/22/1985 | US4495525 Magnetic video reproducing apparatus having still picture reproducing function |
| 01/22/1985 | US4494712 Tape deck with non-contacting unidirectional rotation sensor configured to prevent capstan tape windup |
| 01/22/1985 | US4494711 Dual mode control system for controlling tape position in a reel to reel transport apparatus |
| 01/16/1985 | EP0131413A1 Automatic tape loading type recording and/or reproducing apparatus |
| 01/16/1985 | EP0131346A2 Loading device for a cassette player |
| 01/16/1985 | EP0131316A2 System for the reproduction of information signals recorded on magnetic tape |
| 01/16/1985 | EP0131035A1 Tape attachment sensor |
| 01/15/1985 | US4494161 Tape cassette |
| 01/15/1985 | US4494158 Electronic apparatus |
| 01/15/1985 | CA1181171A1 Signal-recording/reproducing apparatus |
| 01/15/1985 | CA1181167A1 Editing system for audio signals |
| 01/15/1985 | CA1181166A1 Method and apparatus for detecting an edit point on a record medium |
| 01/09/1985 | EP0130573A2 Servo system for magnetic recording/reproduction apparatus |
| 01/09/1985 | EP0130485A1 Control apparatus over recording of scenes for use in image recording system |
| 01/09/1985 | EP0130390A2 Valve bag |
| 01/09/1985 | EP0130253A2 Receiver for bolt action firearm and method of manufacture |
| 01/08/1985 | US4492998 Cassette tape recorder |
| 01/08/1985 | US4492995 Tape cassette loading and ejection device |
| 01/08/1985 | US4492994 Video tape recorder |
| 01/08/1985 | US4492993 Magnetic recording tape and corresponding method providing indication of end-of-tape conditions |
| 01/08/1985 | US4492991 Method and apparatus for controlling the stepping feed of an information medium |
| 01/08/1985 | US4492958 Device for controlling and displaying the functions of an electric or electronic apparatus |
| 01/08/1985 | US4492035 For use with a rotating cylindrical guide drum assembly |
| 01/08/1985 | CA1180802A1 Support for stabilizing the movement of a magnetic medium over a magnetic head |
| 01/08/1985 | CA1180751A1 Control circuit of brushless dc motor |
| 01/03/1985 | WO1985000069A1 Apparatus for recording and reproducing signal |
| 01/02/1985 | EP0130091A1 Apparatus for recording and/or reproducing digital information signals |
| 01/02/1985 | EP0129918A2 Tape recorder |
| 01/02/1985 | EP0129654A2 Data processing tape drive system |
| 01/02/1985 | CA1180444A Single reel tape cartridge |
| 01/01/1985 | US4491891 Tape guide for a magnetic tape cartridge and method of manufacturing the same |
| 01/01/1985 | US4491889 Cassette tape player |
| 01/01/1985 | US4491887 Mode selector of recording and/or reproducing apparatus |
| 01/01/1985 | US4491886 Tape loading apparatus |
| 01/01/1985 | US4491885 Magnetic recording/playback device |
| 01/01/1985 | US4491883 Pulley cam for a tape cassette drive which moves axially of the driving gear |
| 01/01/1985 | US4491878 Apparatus and method for forward/reverse slow motion video reproduction |
| 01/01/1985 | US4491287 Pushbutton actuated cassette tape transport |
| 12/27/1984 | EP0129224A1 PCM signal recording/reproducing apparatus |
| 12/27/1984 | EP0129185A1 Automatic cassette loading apparatus |
| 12/27/1984 | EP0129055A2 Method and apparatus for controlling a still reproduction of a video tape recorder |
| 12/27/1984 | CA1180111A Reproducing apparatus |
| 12/25/1984 | US4490759 Rotary head assembly having fluid thrust and radial bearings |
| 12/25/1984 | US4490755 Recording and reproducing video signals at selectable different tape traveling speeds from plural video head pairs |
| 12/20/1984 | WO1984004843A3 Magnetic tape recording and reproducing apparatus |
| 12/19/1984 | EP0128577A2 Rotating head type magnetic record/reproduce apparatus |
| 12/19/1984 | EP0128498A1 Battery holder of cassette tape player |
| 12/19/1984 | EP0128222A1 Rotary head cylinder with fluid bearing |
| 12/18/1984 | US4489355 Locking device for a magnetic tape cassette in a magnetic tape device |
| 12/18/1984 | US4489354 Information recording system with recording process monitoring function |
| 12/18/1984 | US4489285 Signal processing circuit employing an improved composite current mirror circuit/device |
| 12/18/1984 | US4488690 Cassette with controlled-speed elastic belt |