Patents
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)
04/1989
04/11/1989US4821132 Rotary head type recording apparatus using rotary erasing head
04/11/1989US4821129 Tape positioning using reverse boundary capture: tape drive system and method
04/11/1989US4821127 Demagnetizing apparatus for erasing signals recorded on concentric tracks
04/11/1989US4820109 Bidirectional transfer mechanism
04/11/1989US4819891 Mode changing mechanism in tape recorder
04/11/1989US4819851 Arrangement for fixing the capstan of a magnetic tape recorder means
04/11/1989CA1252563A1 Cassette tape recording and/or reproducing apparatus accommodating cassettes of different sizes
04/06/1989WO1989003085A1 Automatic program selector
04/06/1989DE3732791A1 Head wheel arrangement for a recorder
04/05/1989EP0310427A2 Automatic changer for digital audio cassette tape player
04/05/1989EP0310256A2 Magnetic tape recording/playback apparatus
04/05/1989EP0310114A2 Signal recording-reproducing apparatus for use with cassette
04/05/1989CN2035526U Driving apparatus for tape press wheel of tape operating device
04/05/1989CN2035413U Worm and worm-wheel gearing system
04/04/1989US4819099 Apparatus for longitudinal bidirectional recording with equal length tracks
04/04/1989US4819097 Audio signal recording/reproducing system for use in time-lapse video tape recorder
04/04/1989US4819096 Rotary head scanner including anamorphic beam-shaping apparatus in an optical signal-transmission channel
04/04/1989US4819092 Apparatus for writing signal density information on a magnetic medium
04/04/1989US4819087 System for precisely editing audio signals on a videotape
04/04/1989US4819080 Instrument for measuring the phase jitter of analog signals
04/04/1989US4817887 Device for controlling reel driving motor
04/04/1989US4817886 Film conveying apparatus
04/04/1989US4817884 Method and device for winding magnetic tape using magnetic alignment
04/04/1989US4817881 Endless microcassette tape
04/04/1989CA1252205A1 Method and apparatus for producing special motion effects in video recording and reproducing apparatus
04/04/1989CA1252202A1 Cassette loading device
03/1989
03/30/1989DE3831439A1 Cassette loading device for video cassette recorders
03/29/1989EP0308922A2 Magnetic tape memory apparatus using helical scan scheme
03/29/1989EP0308834A2 Method for track following in a recording apparatus
03/29/1989EP0308606A1 Apparatus with a cassette loading/ejecting device
03/29/1989EP0308490A1 Electrical connector shielded member having mounting means.
03/29/1989EP0308486A1 ''expandable loop'' method of and apparatus for automatically threading a web material
03/29/1989CN2035132U Magnet band load equipment
03/29/1989CN2035131U Cassette magnet band driver
03/29/1989CN1032085A Magnetic recording and reproducing device
03/28/1989US4817128 Easily operable automatic telephone answering/recording apparatus and method of operating the same
03/28/1989US4816953 Tape cassette with groove engageable with loading hook
03/28/1989US4816943 Dubbing tape recorder having a common tape driving motor
03/28/1989US4816940 Rotary head recording and reproducing apparatus with plural modes and search capability
03/28/1989US4816936 Automatic cuing device
03/28/1989US4816930 Tracking control for a tape using pilot signals
03/28/1989US4816927 Magnetic-tape apparatus, having means for optimizing tape speed
03/28/1989US4816723 Variable speed motor control method and apparatus
03/28/1989US4815675 Two stage reel mechanism for tape recorder
03/28/1989US4815646 Pinch roller assembly with dust prevention means
03/23/1989WO1989002642A1 Adaptive control system for reel to reel web transport apparatus
03/23/1989DE3729661A1 Tape-guiding device for a magnetic-tape cassette apparatus
03/22/1989EP0308172A2 Cassette type magnetic recording/reproducing apparatus
03/22/1989EP0308120A2 Tape recording/or reproducing apparatus
03/22/1989EP0307917A1 Front door mechanism for signal recording-reproducing apparatus for use with cassette
03/22/1989EP0307660A1 Method for programming domestic video apparatuses
03/22/1989EP0307492A1 Method and apparatus for manufacturing hollow cylindrical guide roller for magnetic recording tape
03/22/1989CN2034731U Miniature stereo player
03/21/1989US4815066 Recording and/or reproducing apparatus
03/21/1989US4814917 Rotary magnetic head device
03/21/1989US4814912 Magnetic-tape apparatus
03/21/1989US4814911 Video cassette front loading system for video tape recorder
03/21/1989US4814910 Small sized magnetic recording and reproducing apparatus with improved rotating magnetic head
03/21/1989US4814905 Portable sound recorder and playback device with battery saving feature using a switch controlled timer
03/21/1989US4814902 Apparatus for recording and/or reproducing with video and multiple audio rotary heads
03/21/1989US4814900 Tracking control apparatus using pilot signals of different frequencies
03/21/1989US4814899 Tape transporting device
03/21/1989US4814673 Reel to reel tape radius measurement apparatus and method therefor
03/21/1989CA1251560A1 Mode changing mechanisms for cassette tape recording and/or reproducing apparatus
03/14/1989US4813068 Easily operable automatic telephone answering/recording apparatus
03/14/1989US4812930 Tape guide arrangement for a helical scan type magnetic record reproduction device
03/14/1989US4812926 Automatic tracking device for VCR with capstan motor controlled by color signal
03/14/1989US4812920 Wide band video signal recording apparatus
03/14/1989US4812629 Method and apparatus for vending
03/09/1989WO1989002205A1 Process and device for programming a home video appliance
03/09/1989WO1989001908A1 Apparatus for providing a profiled tape tension without utilizing a tape pack diameter sensor
03/08/1989EP0306230A2 Recording and/or reproducing apparatus for a magnetic tape cassette
03/07/1989US4811138 Cassette loading device of video cassette tape recorder
03/07/1989US4811134 Unitary die cast head drum base for a magnetic recording and/or reproducing apparatus
03/07/1989US4811132 Early end of tape sensing for a cache buffered tape drive
03/07/1989US4811131 Method and apparatus for scanning and recovering information from a record medium
03/07/1989US4811130 Information signal reproducing apparatus capable of determining a track pitch of a record bearing medium using a tracking error signal and a signal indicative of the moving speed of the medium
03/07/1989US4811129 Method and an apparatus for detecting tape speed of recording
03/07/1989US4811128 Digital signal recording and reproducing apparatus having rotary magnetic heads
03/07/1989US4811127 Magnetic recording and reproducing apparatus
03/07/1989US4811122 Magnetic recording/reproducing apparatus which accomodates different tape types
03/07/1989US4811120 Information signal recording and/or reproducing apparatus
03/07/1989CA1250951A1 Tape loading apparatus for use in a recording and/or reproducing apparatus of the rotating head kind
03/02/1989DE3827970A1 Magnetaufzeichnungs- und wiedergabevorrichtung A magnetic recording and reproducing apparatus
03/01/1989EP0305000A2 An amplifier circuit including a load circuit
03/01/1989CN1031441A Automatic stop device for magnetic tape going device
02/1989
02/28/1989US4809254 Device with an automatic retraction mechanism
02/28/1989US4809118 PCM helical-scan magnetic record/playback systems
02/28/1989US4809117 Combination remote hand control/foot pedal control system for VCR
02/28/1989US4809115 Magnetic recording and reproducing apparatus
02/28/1989US4809108 Tape running direction changeover mechanism with automatic tape head azimuth alignment
02/28/1989US4809101 Automatic stopping mechanism for a tape feeding device
02/28/1989US4809100 Apparatus having cassette loading and unloading functions and an operation mode selecting function
02/28/1989US4809099 Transport for tape cartridge with leader block
02/28/1989US4809098 Tape cassette loading device
02/28/1989US4809096 Tracking controlling device using multiple pilot signals in magnetic video signal recording and reproducing apparatus
02/28/1989US4809095 Recording and reproducing apparatus selectively using a plurality of kinds of recording mediums
02/28/1989US4808992 Component audio/video system with automatic turn-off of peripheral devices
02/28/1989US4808011 Guide arrangement for guiding an object along a kinked path
02/28/1989CA1250663A1 Magnetic tape pinch drive device and application