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)
01/1991
01/16/1991EP0407970A2 Digital video signal reproducing apparatus
01/16/1991EP0181942B1 Magnetic recording/reproducing apparatus
01/16/1991CN1048621A System for recording/reproducing signals on/from maguetic tape, and apparatus and cassette for use in the system
01/16/1991CN1048620A Brake releasing mechanism of duplex tape recorder
01/16/1991CN1048582A Piston ring assembly for stirling engine
01/15/1991US4985795 Method and apparatus using a stationary magnetic body for effecting signal transfers between a moving magnetic core and a magnetic storage medium
01/15/1991US4985791 Recording-reproduction
01/15/1991US4985790 Mechanism for positioning a tape cartridge
01/15/1991US4985789 Signal recording-reproducing apparatus for use with cassette
01/15/1991US4985788 Cam mechanism
01/15/1991US4985787 Magnetic recording apparatus for positioning magnetic head to track on magnetic tape
01/15/1991US4985786 Apparatus for retrieving information previously recorded on recording tape irrespective of tape speed
01/15/1991US4985785 Rotary head type reproducing apparatus
01/15/1991US4985666 Safety device for video cassette recorder
01/15/1991US4984897 Carriage mechanism for automatic extracting and inserting of cassettes
01/10/1991WO1991000599A1 Reversible tape-moving mechanism of cassette tape recorder
01/10/1991WO1991000567A1 Library equipment
01/10/1991WO1991000437A1 Zero clearance coupler for connecting a driving member to a splined hub
01/09/1991EP0407305A2 Automatic cassette changer
01/09/1991EP0406943A1 System for recording/reproducing signals on/from magnetic tape, and apparatus and cassette for use in the system
01/09/1991EP0406302A1 Recording system having head transducers with controlled skew
01/09/1991CN2069158U Hand operated tape rewinder on dual directions
01/09/1991CN2069157U Flywheel for cassette tape recorder
01/08/1991US4984113 Information storage and reproduction apparatus and method employing a flexible belt record member
01/08/1991US4984112 Recording and/or reproducing apparatus for a record carrier in tape form
01/08/1991US4984111 Magnetic tape recorder with capstan cassette transport
01/08/1991US4984110 Tape cartridge holder arrangement in a magnetic recording and reproducing device
01/08/1991US4984109 Reel support positioning device for a cassette tape recording and/or reproducing apparatus accommodating cassettes of different sizes
01/08/1991US4984108 Apparatus for transporting magnetic tape cassettes of different sizes
01/08/1991US4984107 Apparatus for transporting a magnetic tape cassette
01/08/1991US4984106 Cartridge library system and method of operation thereof
01/08/1991US4984105 Cassette loading device for front loading VCR which utilizes the driving force of a capstan motor
01/08/1991US4984104 Apparatus for recording an information signal at a second part of a given track by sampling and holding a tracking control signal used for tracking at a first part of the given track
01/08/1991US4983496 Directing laser beams, continuous movement, scanning, modulation
01/08/1991US4982911 Belt drive for power transfer to cartridge
01/04/1991CA2020214A1 Reversible cassette
01/03/1991DE4020869A1 Magnetic tape cassette player-recorder - has loading mechanism coupled to head movement and tape drive system
01/03/1991DE4017434A1 Magnetic tape cassette player - has feed forward and rewind selection levers coupled to head mechanism
01/02/1991EP0406123A2 Still/slow circuit for a VCR with two heads
01/02/1991EP0405939A2 Video signal recording and reproducing apparatus
01/02/1991EP0405779A2 Tape guide mechanism for helical scan recording and/or reproduction apparatus
01/02/1991EP0405709A1 Method and apparatus for detecting tape position
01/02/1991EP0405661A1 System for recording/reproducing signals on/from a magnetic tape in a cassette
01/02/1991EP0404918A1 Method of retrieving data carriers from data-carrier archives
01/02/1991EP0404899A1 Process and device for operating an automatic data carrier archive.
01/02/1991CN1048280A System for recording/reproducing signals on magnetic tape in cassettes
01/02/1991CN1011094B Rotational magnetic head device
01/01/1991US4982391 Method and apparatus for accessing a desired track of a recording medium during a stopped state of recording or reproduction
01/01/1991US4982304 Mode changing mechanism for recording and reproducing apparatus
01/01/1991US4982142 Circuit for controlling the speed of a magnetic tape reel motor of audio recording/playing mechanism and method therefor
01/01/1991US4981409 Cartridge auto changer
12/1990
12/27/1990WO1990016067A1 Video recorder
12/27/1990WO1990016063A1 Multitrack recording magnetic head with a compact matrix structure
12/27/1990WO1990016062A2 Integrated magnetic recording head
12/27/1990EP0404426A2 Mode changing mechanism for tape recording and/or reproducing apparatus
12/27/1990EP0404245A1 Magnetic-tape cassette
12/27/1990EP0403860A2 Tape tightening assembly in an audio tape-cassette apparatus for reverse operation
12/27/1990EP0403651A1 Tape drive mechanism
12/27/1990EP0265487A4 Magnetically controlled scanning magnetic head tracking control system
12/27/1990CA1278376C Tape loading apparatus
12/27/1990CA1278375C Cassette type recording apparatus
12/26/1990CN1010998B Disc drive compatible tape cartridge
12/26/1990CN1010997B Magnetic recording and reproducing apparatus
12/26/1990CN1010996B Recording and/or playback unit
12/26/1990CN1010993B Magnetic tape recording and/or reproducing apparatus with rotary head assembly
12/26/1990CA2019655A1 System for recording/reproducing signals on/from a magnetic tape in a cassette
12/25/1990US4979691 Contact printer
12/23/1990CA2019371A1 Magnetic-tape cassette
12/21/1990CA2018771A1 Mode changing mechanism for tape recording and/or reproducing apparatus
12/20/1990DE3919984A1 Videorecorder Video recorder
12/19/1990EP0402484A1 Production of ultrahigh-molecular polyethylene sheet
12/19/1990EP0270537B1 Device located at the receiver end for actuation controlled from the transmitter end
12/19/1990EP0229127B1 Device for automatically switching on and off the recording function of a video recorder
12/18/1990US4979135 Vision system illumination calibration apparatus
12/18/1990US4979061 Cassette loading apparatus including means for controlling the cassette insertion force
12/18/1990US4979060 Tape change mechanism for cassette apparatus
12/18/1990US4979058 Rotation detecting device for a tape recorder
12/18/1990US4979057 Automatic cassette loading and reproducing apparatus
12/18/1990US4978083 Reel holder for retaining reels of video film
12/18/1990US4977787 Electromechanical device for changing the position of head mounting plate in a magnetic tape apparatus
12/13/1990WO1990015507A1 Television program selection
12/13/1990DE3918619A1 Cassette recorder with electronic tape control - uses tape counter, control circuitry and memory to determine position of tape
12/12/1990EP0402135A2 Picture reproducing apparatus and method
12/12/1990EP0401475A2 Recording medium player apparatus
12/12/1990EP0248897A4 Method and apparatus for magnetic transducing
12/11/1990USRE33483 Tape recorder
12/11/1990US4977473 Drum assembly in magnetic recording/reproducing apparatus and manufacturing method thereof
12/11/1990US4977469 Signal reproducing device which offsets the tracking error signal
12/11/1990US4977468 Tape edge detecting method and device therefor
12/11/1990US4977467 Magnetic tape high-speed braking apparatus
12/11/1990US4977466 Magnetic tape wind-up control method, and tape wind-up apparatus
12/11/1990US4977465 Tape recorder with deceleration control for capstan motor during connection recording
12/11/1990US4977455 System and process for VCR scheduling
12/06/1990DE3917687A1 Photodiode detector for use in tape recorder - uses digitally modulated light beam in conjunction with filter circuits to detect transparent part of tape or breakage
12/05/1990EP0400825A2 Cassette loading apparatus
12/05/1990EP0400744A1 System for recording/reproducing signals on magnetic tape in cassettes
12/05/1990CN1010718B Rotary magnetic head device
12/04/1990US4975793 Tape loading mechanism for causing a length of tape to travel along a rotary head drum
12/04/1990US4975792 Magnetic-tape apparatus comprising a threading mechanism for the displacement of a magnetic tape and a belt so as to form tape buffers
12/04/1990US4975791 Recording system having head transducers with controlled skew