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)
01/1977
01/25/1977US4005484 Automatic stopper for multitrack recorder
01/25/1977US4005483 Automatic record control apparatus with multichannel memory
01/25/1977US4005481 Or playback apparatus which prevents erasure of the synchronization track
01/25/1977US4005480 Tape cassette and machine
01/25/1977US4004815 Miniature toy sound-reproducing device
01/25/1977US4004752 Tape cassette
01/18/1977US4004293 Tape player preamplifier circuit responsive to tape speed
01/18/1977US4004276 Telephone answering machines
01/18/1977US4004205 Hybrid servo control system
01/11/1977US4003091 Transducer support and stabilizer
01/11/1977US4003090 Magnetic recording and reproducing system with tape-to-head speed control
01/11/1977US4003089 Electronic channel selecting system for a quad-stereo tape player
01/11/1977US4003087 Player
01/04/1977US4001887 Manual tape apparatus with generator for providing electrical power
01/04/1977US4001885 Video recording and reproducing system
01/04/1977US4001882 Magnetic tape editing, previewing and animating method and system
01/04/1977US4001563 Communication system for disseminating coded digital data in analogue form utilizing an orthogonal transformation
01/04/1977US4001552 Method and apparatus for measuring web material wound on a reel
01/04/1977US4000866 Tape reel drive system for video recorder/reproducer
12/1976
12/28/1976US4000519 Cassette and apparatus for tape recordings on both tape sides
12/28/1976US4000517 Remotely controllable recorder
12/28/1976US4000516 Apparatus for maintaining constant the packing density of magnetic tape within a magazine
12/28/1976US4000515 Reproducing apparatus
12/28/1976US4000514 Automatic reverse type cassette tape recorder
12/28/1976US3999725 Device for transferring magnetic recording tape from one hub to another in a tape cassette
12/28/1976US3999721 Spindle hub
12/28/1976US3999446 Or playback apparatus
12/21/1976US3999219 Tape cartridge player with cartridge pull-in mechanism
12/21/1976US3998401 Tape reel with tape-attaching mechanism
12/21/1976US3998400 Quick release hub
12/14/1976US3997918 Improvements in tape recording and playback apparatus of the cassette type
12/14/1976US3997917 Card handling apparatus
12/14/1976US3997916 Tape recorders
12/14/1976US3997129 Magnetic recording/reproducing apparatus
12/07/1976US3996619 Tape edge guide for a fully rotatable drum
12/07/1976US3996618 Retention device for cassette tape recorder
12/07/1976US3996617 Tape cartridge changer apparatus
12/07/1976US3996616 Combination cassette changer and recording machine
12/07/1976US3996615 Rotary air bearing head with leading edge controlling air bearing
12/07/1976US3995789 Reel safety brake
11/1976
11/30/1976USRE29051 Storage and retrieval control apparatus and method
11/30/1976US3995318 Resilient tape guide assembly for rotary head tape recording and/or reproducing apparatus
11/30/1976US3995317 Helical scan apparatus for video tape or the like and having rotating-head inclination-adjustment means
11/30/1976US3995316 Or reproducing apparatus, and record assembly for use therein
11/30/1976US3995314 Pedal operated transcription adaptor for a miniature tape recorder
11/23/1976US3994015 Or reproducing apparatus
11/23/1976US3994013 Last line velocity compensation
11/23/1976US3993878 Anti-reverse means for central dictation equipment
11/23/1976US3993259 Front drive for a reversible tape cartridge
11/16/1976US3991955 Automatic film threading device
11/02/1976US3990110 Tape guiding device for a magnetic instrument
11/02/1976US3990108 Magnetic tape speed control system
10/1976
10/26/1976US3988779 Edge-loading tape deck or holder
10/26/1976US3988778 System for random, time accurate access to recorded material
10/26/1976US3988024 Turntable apparatus
10/26/1976US3987980 Simplified precision tape cassette and system
10/19/1976US3987490 Rotating read/write system for NRZI data
10/19/1976US3987489 Tape cartridge which is normally closed but is pivoted to open position when taken into use, and transport apparatus for such a cartridge
10/19/1976US3987486 Magnetic tape cassette player with head positioning and ejection structure
10/19/1976US3986651 Concave tape guide
10/12/1976US3985983 Switch control apparatus for ribbon tensioning systems
10/12/1976US3985043 Fly-wheel for tape recorder
10/05/1976US3984871 Tape cartridge release assembly
10/05/1976US3984870 Magnetic video recording and reproducing apparatus having a tape threading mechanism
10/05/1976US3984869 Automatic program head positioning and tape feed control for tape decks
10/05/1976US3984868 Tape speed control apparatus for magnetic tape device
10/05/1976US3984067 Automatic tape winding device
10/05/1976US3984065 Tape transport system
10/05/1976US3984039 Precision-surface with dynamically-stiff air film provided by deep pools
09/1976
09/28/1976US3983579 Two-channel and four-channel cartridge tape player
09/28/1976US3983577 Introduction of data entry completion signals to a cassette tape containing data processing terminal unit
09/21/1976US3982277 Timing-error compensation for low-speed tape systems
09/21/1976US3982160 System for controlling tension of magnetic tape
09/14/1976US3981024 Helical scan head drum with helical grooves for generating an air bearing
09/14/1976US3980253 Cassette loading apparatus
09/14/1976US3980246 Automatic tape winding system
09/14/1976US3980207 Pinch rollers
09/07/1976US3979773 Magnetic recording and reproducing apparatus
09/07/1976US3979772 Or reproducing apparatus
09/07/1976US3979037 Air guide for tape transports
08/1976
08/31/1976US3978522 Method and apparatus for mounting a cassette record-playback head
08/31/1976US3978521 Recording and playback apparatus for video tape editing
08/31/1976US3977625 Releasable tape cartridge mounting
08/31/1976US3977624 Locking and drive mechanism for magnetic tape cartridge
08/31/1976US3977623 Film drive mode change actuator
08/24/1976US3976973 Horizontal scan vertical simulation character reading
08/24/1976US3976263 Operating system in a magnetic tape reproducer and recorder
08/24/1976US3976262 Magnetic tape cartridge recorder having releasable cartridge catch arrangement and non-resonant type drive
08/24/1976US3976236 Reversible tape drive apparatus
08/17/1976US3975765 Tape recording and/or reproducing apparatus
08/17/1976US3974983 Tape feed and rewind cartridge
08/17/1976US3974982 Tape transport
08/17/1976US3974981 Automatically operated magnetic tape equipment
08/10/1976US3974522 Electronic editing method and apparatus for a video tape recorder
08/10/1976US3974346 Plural switch assembly having independent operators locked in position by cover interlock
08/10/1976US3973743 Automatic switch-off system in a cassette tape recorder
08/03/1976US3973178 Tape cartridge player mechanism
07/1976
07/27/1976US3972074 Tape guide assembly for rotating head
07/27/1976US3972073 Automatic tape cartridge ejection mechanism for multitrack cartridge players
07/27/1976US3972072 Device for introducing and ejecting a magnetic tape cassette for a magnetic tape recorder