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)
06/1992
06/11/1992DE4140229A1 Braking system for video- or digital audio tape recorder - has CAM actuator to move linkage to control tape and elastic element for actuating feed spool brake
06/10/1992EP0489609A2 Differential power transmission device for tape recorders
06/10/1992EP0489375A2 A drum servo system
06/10/1992EP0489040A1 Process and device for copying magnetic tapes.
06/09/1992USRE33950 Apparatus having at least two control bars with differing latching arrangements
06/09/1992US5121275 Optical sensor arrangement for tape cassette
06/09/1992US5121269 Digital audio tape recorder and music program jump selecting method thereof
06/09/1992US5121268 Apparatus for recording and/or reproducing information with a lid for protecting the recording medium and a recording medium loading/ejecting mechanism
06/09/1992US5121265 Magnetic recording and reproducing apparatus
06/09/1992US5121264 Method and apparatus for reproduction of magnetic tape by using rotary drum heads
06/09/1992US5121259 Video tape recorder with after-recording capability
06/09/1992US5121073 Fm demodulator arrangement including hold, delay and switching circuits to compensate for signal disturbances
06/09/1992US5120000 High-speed magnetic tape transfer apparatus
06/07/1992WO1992010831A1 Cartridge tape system for helical scan transports
06/07/1992CA2099590A1 Cartridge tape system for helical scan transports
06/04/1992DE4037771A1 VHS video recorder time-lapse recording method - having reverse transport of magnetic tape between recording of successive images
06/03/1992EP0488760A2 Cartridge tape drive
06/03/1992EP0488714A1 Mode changing over mechanism for tape player
06/03/1992EP0488640A2 Signal recording apparatus
06/03/1992EP0488634A2 Tape driving apparatus
06/03/1992EP0488373A2 Magnetic tape recording/reproducing apparatus and method
06/03/1992EP0488337A2 Magnetic recording apparatus
06/03/1992CN1061689A Data bank apparatus and method of video recording and reproducing system
06/03/1992CN1016909B Cassette tape recoder
06/02/1992US5119257 Rotary head device having a motor within the rotary drum, and magnetic recording and reproducing apparatus using the same
06/02/1992US5119251 Reduced clearance cassette securing arrangements in a cassette-based recording/reproducing apparatus
06/02/1992US5119249 Tracking error detection circuit using pilot signals during tape reproduction
06/02/1992US5119246 Rf tracking servo for vtr with adjustable servo loop gain
06/02/1992US5119245 Rotational phase detecting apparatus for head drum utilizing video heads
06/02/1992CA1302560C Apparatus for reproducing information from a record carrier
05/1992
05/31/1992CA2055786A1 Narrow profile data storage cartridge tape drive of small overall size
05/29/1992WO1992009016A1 Speed control device and predicting machine
05/28/1992CA2056122A1 Signal recording apparatus
05/27/1992EP0487513A2 Cassette holding apparatus including means for preventing mis-insertion
05/27/1992EP0487048A2 Recording or reproducing apparatus
05/26/1992US5117322 Tape guide mechanism for helical scan recording/reproduction apparatus
05/26/1992US5117317 Magnetic tape recording device which positions the beginning of the magnetic tape adjacent a recording head
05/26/1992US5117316 Automatic video tape running mode setting circuit for programmed recordings
05/26/1992CA1301917C Logic circuit for detecting reverse rotation of a take-up reel in a tape transport mechanism
05/22/1992WO1992009959A1 Virtual robot for a multimedia automated cartridge library system
05/22/1992CA2095833A1 Virtual robot for a multimedia automated cartridge librrary system
05/21/1992DE4138107A1 Data bank for video recording and playback system - has single rotating drum with heads for recording video signal on one medium and data signal on second medium
05/20/1992EP0486259A2 Cam gear controlling mechanism
05/20/1992EP0308487B1 Helical scan tape guide apparatus
05/19/1992US5115362 Cassette changer for tape player
05/19/1992US5115361 Guide mechanism for positioning tape guides in a magnetic tape loading apparatus
05/19/1992US5115324 Information signal recording apparatus performing a cueing function
05/19/1992US5114093 Brake mechanism for reel stands of a tape recorder
05/14/1992DE4035940A1 Inductive frequency generator for measuring magnetic tape drive - has magnetic circuit with 2 radial arm gaps between coil former and toothed outer shunt
05/13/1992EP0484423A1 Digital signal processing system.
05/12/1992US5113296 Mechanism for winding a tape from a tape cassette onto a rotatable cylinder of a VCR
05/12/1992US5113295 Recording and reproducing apparatus for rewriting data onto a previously recorded medium using a relaying operation
05/12/1992US5113294 Automatic control method for home appliances using video tape recorder, and device thereof
05/12/1992CA1300747C Method and apparatus for recording a digital signal
05/06/1992EP0484256A1 Coil switching device
05/06/1992EP0484143A2 Capstan servo devices
05/06/1992EP0483874A2 Apparatus for recording and reproducing digital picture data
05/06/1992EP0483823A2 Rotating-head video signal recording apparatus
05/06/1992EP0483819A2 Magnetic write/read device
05/06/1992CN2103852U Status switching mechanism for magnetic tape driver
05/06/1992CN1060918A Controlling optical disk drive using mode set command
05/06/1992CN1016546B Keeping device of cassette tape box for recorder
05/05/1992US5110663 Magnetic tape pad, extrusion, stretching
05/05/1992US5109723 Rotation transmission mechanism
04/1992
04/30/1992DE4125367A1 Tape feed system for video recorder - has tape moved against head drum by rollers moving along guide tracks
04/30/1992DE4032641C1 Magnetic tape cassette drive mechanism - raises or lowers cassette between eject and play positions and has swivel and lever operated by inserted cassette
04/29/1992EP0483128A2 Multi-cassette indexing mechanism for a tape transport
04/29/1992EP0482802A2 Automatic transmission systems for television and radio broadcasting
04/29/1992EP0482170A1 Bi-directional read while write magnetic head assembly having a wear avoidance contour.
04/28/1992US5109420 Car audio device
04/28/1992US5109313 Drying cassette for recorder/player units
04/28/1992US5109309 Cassette loading device for loading tape cassette having different shapes and different dimensions to a tape driving position
04/28/1992US5109308 Stationary head tape drive with a movable door opening mechanism
04/28/1992US5109305 Four head sequential switch scanning type magnetic recording/reproducing apparatus
04/28/1992US5108246 Automated archiving and retrieval system for computer tape cassettes
04/25/1992WO1992008228A1 Method and apparatus for high speed duplication of audio or digital signals
04/22/1992EP0481875A1 Method for addressing elementary heads from a magnetic multitrack recording head and head using this method
04/21/1992US5107385 Read head assembly for multiple-width tracks
04/21/1992US5107381 Automatic tracking control for magnetic recording and/or reproducing apparatus with reference phase setting capability
04/21/1992US5107380 Rotary head type recording or reproducing apparatus detecting the slack of the recording medium
04/21/1992US5106896 Containing calcium carbonate powder and stearyl stearate
04/16/1992DE4130402A1 Magnetic cassette player tape transport switching device
04/16/1992DE4032640A1 Magnetic tape cassette equipment with reversible tape drive - senses presence of cassette to ensure tape movement is started in right direction after ejection or removal
04/16/1992DE4032637A1 Magnetic tape cassette equipment with head positioning mechanism - has plate for moving head into reproducing position from eject and start=up position only
04/16/1992DE4032635A1 Magnetic tape cassette equipment with manually reversible drive - has eject key bar terminated in special tongue which effects reversal of tape when partially actuated
04/16/1992DE4032634A1 Magnetic tape cassette equipment with multifunction drive switch - has fast winding key bars cammed for cooperation with followers which actuate oppositely sprung contact pairs
04/15/1992EP0480682A2 Digital audio signal recording apparatus
04/15/1992EP0480660A2 Recording and/or reproducing apparatus
04/15/1992EP0480483A2 Method and system for dynamically calibrating the gain of a variable gain read amplifier
04/15/1992EP0480481A2 Cassette or cartridge auto-changers
04/15/1992EP0480050A1 Device for loading cassette
04/14/1992US5105320 Operation mode switching and loading-eject mechanism for a tape player
04/14/1992US5105319 Magnetic recording/reproducing apparatus in which tape cassettes of different sizes can be mounted
04/14/1992US5105317 Cassette loading and lid mechanisms for a portable video tape recorder
04/14/1992US5105314 Multiple audio signal processing system
04/14/1992US5104058 Tape guidance system for belt-driven cartridge
04/14/1992CA1298811C Storing and dispensing system
04/09/1992DE4132542A1 Magnetic tape transport for video cassette recorder - has gear dirves with linkages operating tape gudes allowing small space behind rotating head
04/08/1992EP0479544A2 Spring clutches and winders having clutches
04/08/1992EP0479484A1 Tape reel driving apparatus for magnetic tape recorder