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)
06/1977
06/28/1977US4032897 Interactive audiovisual display system
06/21/1977US4031558 Head drum assembly with electrical noise shield
06/21/1977US4031557 Casette loading device for use in magnetic sound recording and playing back apparatus
06/21/1977US4031556 Player
06/21/1977US4031554 Magnetic recording and reproducing apparatus
06/21/1977US4031334 Apparatus for magnetic recording and/or reproducing of signals received by one or more signal receiving devices
06/21/1977US4030675 Apparatus for film and tape winding
06/14/1977US4030134 Apparatus for turning rotor for each desirable angle by driving force of capstan drive system
06/14/1977US4030133 Guide drum apparatus for a video tape recorder and/or player
06/14/1977US4030131 Slack tape loader
06/14/1977US4030127 Audio tape player driver information device
06/14/1977US4030012 Amplifier malfunction detector
06/14/1977US4029268 Tape recorder and magnetic tape cassette
06/07/1977US4028734 Plural magnetic head assembly with independently supporting structure
05/1977
05/31/1977US4027336 Motor speed control device
05/31/1977US4026497 Pause device for tape recorder
05/31/1977US4026496 Automatic repeat system for magnetic tape recorders and reproducers
05/31/1977US4026489 Quick threading magnetic tape reel
05/24/1977US4025959 Recorder-reproducer system
05/24/1977US4025957 Magnetic recording system using magnetic tape
05/24/1977US4025027 Tape propelling means in cassette-type tape-recorders
05/17/1977US4024583 Magnetic head
05/17/1977US4024580 Magnetic sound recording and playing back apparatus
05/17/1977US4024354 Cassette central dictation system
05/17/1977US4023870 Self-centering device to fasten a rotatory wheel against axial movements
05/17/1977US4023748 Cassette loading and tape tensioning system
05/10/1977US4023207 Video tape cassette changing apparatus
05/10/1977US4023206 Humidity sensor
05/10/1977US4022402 Container for magnetic tape
05/10/1977US4022401 Tape cassette
05/10/1977US4022400 Tape threading apparatus
05/10/1977US4022368 Tape cartridge having enhanced tape drive facilities
05/10/1977US4022080 Transcription mechanism for tape player
05/03/1977US4021857 Magnetic recording system for reproducing successive still pictures
05/03/1977US4021856 Cassette tape recorder
05/03/1977US4021855 Cassette detection device for recording and/or playback apparatus
05/03/1977US4021854 Miniature cassette tape recorder
05/03/1977US4021104 Film-feeding speed controlling device for sound-cinecamera
05/03/1977US4021006 Container for magnetic tape
05/03/1977US4021005 Front loading cassette tape machine
05/03/1977US4020999 Endless loop cartridge for video
04/1977
04/26/1977US4020364 Resistance read amplifier
04/26/1977US4019694 Semiautomatic loading of tape transports
04/19/1977US4019203 Filters for tape recording systems
04/19/1977US4019202 Automatic shut-off circuit for eight-track tape players and the like
04/19/1977US4018947 Method for edge marking recordable webs
04/19/1977US4018404 Automatic tape stopping detective device in a magnetic recording and reproducing apparatus
04/19/1977US4018403 Cassette loader for video recorder/reproducer
04/19/1977US4018402 Tape transport apparatus
04/19/1977US4018398 Winding hub for a record carrier in the form of a tape
04/12/1977US4017904 Tape driving device including pinch roller and tape guide mounting means
04/12/1977US4017902 Cassette ejector for tape recorder
04/12/1977US4017901 Device for loading and unloading cartridges into and from a recording and/or playback apparatus
04/12/1977US4017900 Tape recorder cassette ejecting device
04/12/1977US4017897 Magnetic tape guide having a tapered roller and an adjustable contoured edge
04/12/1977US4017896 Reversing cassette tape machine
04/05/1977US4016602 Cartridge for endless magnetic-tape loop and device for recording and/or reading thereof
04/05/1977US4015799 Adaptive reel-to-reel tape control system
04/05/1977US4015789 Reversible cartridge tape player system with side drive
03/1977
03/29/1977US4015293 Cutaway tape guide for selectively cooperating with a capstan and guiding a tape
03/29/1977US4015292 Rotatable multifaceted tape guide for use in a cassette
03/29/1977US4015291 Flying head helical scan magnetic recording device employing a lobed rotor
03/29/1977US4015177 Tape recorder
03/29/1977US4015090 Recording and/or reproducing apparatus
03/22/1977US4014043 Cassette type magnetic recording and reproducing apparatus
03/22/1977US4014042 Tape recorder and magnetic tape cassette
03/22/1977US4014041 Cassette recording and handling device
03/22/1977US4014040 Apparatus for automatic track registration
03/22/1977US4014039 Automatic program locator for tape decks
03/15/1977US4012793 Multioriented composite-surface tape guide for use in a cassette
03/15/1977US4012792 Magnetic head drum configuration having a friction reducing helical step
03/15/1977US4012790 Magnetic transducing apparatus for using both endless loop cartridges and reel-to-reel cassettes
03/15/1977US4012789 101/2 Inch tape reel adaptor
03/15/1977US4012788 Yieldable, coaxially-driven tape wrapping guides for use in a helical tape recorder
03/15/1977US4012787 Video tape recorder
03/15/1977US4012784 Voice logging recorder including decks dedicated for both logging and recall operations
03/15/1977US4012674 Dual motor web material transport system
03/08/1977US4011592 Cassette tape recorder with tape pad
03/08/1977US4011588 Rotary head type magnetic tape video recording-reproducing device
03/08/1977US4011587 Rotary head magnetic recorder for use with a specific record member
03/08/1977US4011586 Voice logging recorder for use with preloaded cassettes
03/08/1977US4010918 Automatic reversal mechanism
03/08/1977US4010917 Automatic stop device for a magnetic tape recording and/or playback apparatus
03/01/1977US4010493 Tape transport device
03/01/1977US4010491 Automatically retractable tape in sound-slide means
03/01/1977US4009846 Tape recorder drive system
02/1977
02/22/1977US4009493 Cassette recording apparatus with automatic loading
02/22/1977US4009445 Divider for an electronic timepiece
02/22/1977US4008841 Two piece sheet metal capstan housing assembly
02/15/1977US4008489 Portable video tape recorder
02/15/1977US4008424 Bidirectional speed control system
02/08/1977US4006853 Crescent reset system for fast forward 8-track cartridge player
02/08/1977US4006522 Two piece sheet metal capstan housing assembly method
02/01/1977US4006493 Tape cassette
02/01/1977US4006309 Voice operated relay
01/1977
01/25/1977US4005492 Transducer head positioning apparatus
01/25/1977US4005489 Tape-operating apparatus adapted for use either with an endless loop type or a coplanar type cassette
01/25/1977US4005488 Tape-operating apparatus adapted for use either with an endless loop type cartridge or a coplanar type cassette
01/25/1977US4005487 Tape-operating apparatus adapted for use either with an endless loop type cartridge or a coplanar type cassette
01/25/1977US4005486 Apparatus for detecting tape running in a tape recorder