Patents
Patents for G11B 27 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel (59,746)
10/1976
10/05/1976US3984869 Automatic program head positioning and tape feed control for tape decks
09/1976
09/28/1976US3983577 Introduction of data entry completion signals to a cassette tape containing data processing terminal unit
09/14/1976US3980818 Recorder and reproducer system
09/14/1976US3980246 Automatic tape winding system
08/1976
08/31/1976US3978521 Recording and playback apparatus for video tape editing
08/24/1976US3976301 Record selector mechanism for a phonograph system
08/10/1976US3974522 Electronic editing method and apparatus for a video tape recorder
08/03/1976US3973080 Playback device for a disc-shaped record carrier with transducer lifting for changing playback groove for fast, slow or stop effects
07/1976
07/20/1976US3970775 System for scanning information recorded on a plurality of magazine contained filmstrips
07/06/1976US3968518 Or reproducing apparatus for videotape editing
06/1976
06/29/1976US3967316 Data recorder
06/22/1976US3965484 Central dictation system
06/15/1976US3964025 Solid state search unit for automatic phonograph
06/08/1976US3962725 Magnetic-tape cartridge-loaded portable video camera using prerecorded timing signals to control the video time base
06/01/1976US3960254 Audio information device
05/1976
05/25/1976US3959818 Servo for video tape apparatus with editing capabilities
05/25/1976US3959814 Method and apparatus for tabulating the contents on a record medium by use of time
05/25/1976US3959784 High speed optical read-out of data stored in an array
05/11/1976US3956736 Disc cartridge sector formatting arrangement and record addressing system
04/1976
04/27/1976US3953881 Color picture information recording and reproducing system
04/13/1976US3950784 Apparatus for automatically adjusting the playback position of magnetic data recording device
04/13/1976US3950782 Data storage and retrieval systems for use with plural track storage medium
04/06/1976US3949420 Tape program location method and means
04/06/1976US3949294 Level indicating system
03/1976
03/30/1976US3947877 Method and device for timing the data reading and the recording operations on a magnetic tape
03/23/1976US3946437 Tape recorder with counter drive mechanism responsive to tape movement
03/23/1976US3946435 Recording and playback apparatus
03/16/1976US3943879 Tape cartridge including edge marked magnetic tape
03/09/1976US3943563 System and method for recording and reproducing video information on a card
03/02/1976US3942189 Magnetic tape reproducing apparatus with solenoid actuated tape lifter means and automatic control therefor
02/1976
02/24/1976US3939579 Interactive audio-visual instruction device
02/17/1976US3939491 Tape apparatus including means to count length-related pulses for video editing
02/17/1976US3939490 Apparatus for assembling video sequences on tape in phase synchronization
02/17/1976US3938757 Tape transport system including a logical network for producing quadrature pulse trains and motor control utilizing same
02/10/1976US3938190 Storage and retrieval system for magnetic tape cassettes
02/10/1976US3938041 Tape pack diameter measurement means and method
02/03/1976US3936875 Method of addressing magnetic memory
02/03/1976US3936874 Multi-format tape duplicator
01/1976
01/27/1976US3935593 Multi-media production programmer
01/20/1976US3934270 Two-motor cassett type tape recorder
01/20/1976US3934268 System for magnetically recording and reproducing still video pictures and audio information
01/20/1976US3934264 Videotape recorder and reproducer every line velocity compensator apparatus
01/13/1976US3932894 Magnetic record member for use with rotating head magnetic recording apparatus
01/13/1976US3932887 Tape marker
01/06/1976US3931639 Transverse track location device with calibrated stepper motor
01/06/1976US3931457 Information carrier having addressed information tracks