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)
06/1994
06/07/1994US5319504 Method and apparatus for marking a data block defective and re-recording data block in successive regions
06/07/1994US5319503 Method and apparatus for writing successive streams of data on a magnetic medium by writing a cancel mark indicating the cancellation of a previously-written file mark
06/07/1994US5319500 Video reproducing apparatus for maintaining picture quality during high speed search functions
06/07/1994US5319499 Variable-speed regeneration compensating apparatus for double azimuth 4-head type video tape recorder
06/07/1994US5319217 Door assembly for cassette autoloader
06/07/1994US5318241 Magnetic tape apparatus
06/07/1994US5318240 Reel driving clutch of magnetic recording/playback system
06/07/1994US5318161 Wrap spring clutch assembly
06/01/1994EP0599718A2 Tape cassettes and recording and/or reproduction apparatus
06/01/1994EP0599630A2 Head drum apparatus
06/01/1994EP0599190A2 Motor speed control apparatus
06/01/1994EP0598898A1 Arcuate scanning tape drive
06/01/1994EP0598846A1 Rotary head amplifier
06/01/1994EP0397713B1 Contoured head assembly for use in a cassette loaded recorder
05/1994
05/31/1994US5317466 Magnetic head drum apparatus having upper and lower stationary drums and a rotatable member therebetween arranged to damp noise and vibration
05/31/1994US5317460 Time difference slow mode control circuit
05/31/1994US5317458 Apparatus for recording a count signal in a fixed location regardless of transport velocity of record carrier
05/31/1994US5317457 Digital signal recording method
05/31/1994US5316237 Magnetic tape apparatus having a compact reel-brake assembly
05/31/1994US5316236 Tape supplying and taking up apparatus and tape cassettes for use therewith
05/31/1994US5316235 Tape cartridge with mount plate
05/31/1994CA1329951C Tape cassette loading mechanism in tape player
05/26/1994WO1994011990A1 Method and apparatus for preprogramming a video cassette recorder
05/26/1994WO1994011868A1 Method and apparatus for duplicating magnetic tapes
05/26/1994DE4339629A1 Front loading mechanism for tape cassette with protection against incorrect use - has motor driven gear unit that allows incorrectly oriented cassette to be passed in with gears idling
05/26/1994DE4339627A1 Drive system for VTR - has activator plate displaced by motor driving through gear transmission with links for different operations
05/26/1994DE4339626A1 Fast feed winding appts. for VTR - has activator plate displayed to select modes with gear coupling from motor and separate plate to engage gears for fast operation
05/26/1994DE4339625A1 Video recorder with single motor for loading purposes - has motor with gear output connected to mechanical elements for generating actions to move tape to operating position
05/26/1994CA2148233A1 Method and apparatus for preprogramming a video cassette recorder
05/25/1994EP0598405A2 Tape keeper for tape transport elements
05/25/1994CN2166501Y Intermittent playback controlling device for radio recorder
05/24/1994US5315462 Cartridge loading device having side-locking mechanism
05/24/1994US5315461 Method and apparatus for eliminating the effect of staggerwrap on tape guidance
05/24/1994US5315460 Magnetic recording and reproducing apparatus including S fixed chassis for supporting a head drum and a movable chassis for mounting a tape cassette
05/24/1994US5315459 Video cassette recorder device
05/24/1994US5315457 Magnetic recording apparatus with pilot signal recorded in successive tracks with changing pilot frequency
05/24/1994US5315453 Rotating-head video signal recording apparatus
05/24/1994US5315452 Apparatus and method for automatically adjusting recording speed of a recorder
05/24/1994US5315449 Time code signal processing circuit for removing and restoring variation in slew rate
05/24/1994US5315444 Cassette autochanger systems
05/24/1994US5314141 Cassette loading device for accommodating cassettes of different sizes in a tape cassette recording and/or reproducing apparatus
05/24/1994US5314140 Tape cartridge drive belt having a low ratio of static to dynamic friction
05/19/1994DE4237996A1 Rubber drive belt for use with synchronous drives - has identical moulded inner and ground outer faces with symmetrically opposed V-shaped projections
05/18/1994EP0597726A2 Recording and reproducing apparatus and method of dubbing for record medium cassette
05/18/1994EP0597666A2 Tape driver
05/18/1994EP0597541A2 Magnetic head and method of manufacturing the magnetic head
05/18/1994CN1086696A Full function muslim art mosque
05/17/1994US5313349 Cartridge autoloading apparatus having two safety lock mechanisms
05/17/1994US5313346 Tracking error detection system having at least two magnetic heads with opposite azimuths and circuitry for detecting tracking error by determining a phase difference of output signals from all circuits based on signals produced by the magnetic heads
05/17/1994US5313345 System for adjusting tension in a tape
05/17/1994US5313344 Stand-by mode setting/releasing device for video cassette recorder
05/17/1994US5313343 Magnetic recording or reproducing apparatus
05/17/1994US5313342 Analog/digital compatible reproducing system
05/17/1994US5313341 Device for processing file data with erasing identification data
05/17/1994US5313338 Editing device which selectively edits a section of a helical track
05/17/1994US5313305 Video camera having viewfinder and a power saving function feature
05/17/1994CA2082997A1 Cassette rewinding apparatus
05/17/1994CA1329643C Instrument for measuring the phase jitter of analog signals
05/11/1994WO1994010664A1 Recording medium and apparatus for language learning and method thereof
05/11/1994EP0596661A2 Controlling cassette auto changers
05/11/1994CN1086652A Video library system and a method therefor
05/10/1994US5311492 Recording/reproducing apparatus for recording starting identification information prior to a recording start position
05/10/1994US5311382 Pinch roller urging device for video information recording/reading apparatus
05/10/1994US5311381 Method and apparatus of automatically tracking a recording medium
05/10/1994US5311377 Driver device of magnetic heads for magnetic record and reproduction
05/10/1994US5311373 Video tape recorder
05/10/1994US5311030 Tape end detecting device for tape decks using center and side prisms for directing light
05/10/1994US5310133 Magnetic tape transport device with tape tension roller on a lever subjected to motor torque
05/05/1994DE4236973A1 Digital magnetic tape recording with table of contents - held in PCM region accessed by entry of programme number from front panel for high speed search
05/04/1994EP0595633A2 Magnetic recording/reproducing apparatus
05/04/1994EP0595619A2 Computer controlled recording and reproducing system
05/04/1994EP0595411A2 Arrangement for recording a digital signal in a track on a magnetic record carrier
05/04/1994EP0595401A2 Magnetic-tape cassette comprising a pressure-member support, and pressure-member support for such a cassette
05/04/1994EP0595350A2 Reproducing circuit for a magnetic head
05/04/1994CN2164097Y Slow recording and playing additional device for videocorders
05/04/1994CN1086339A Recording medium and apparatus for language learning and method thereof
05/03/1994US5309308 Cassette-detection device for use in magnetic tape apparatuses
05/03/1994US5309302 System comprising a player and/or recorder apparatus and a tape cassette, and the apparatus and a cassette suitable for use in such a system
05/03/1994US5309300 Beginning/end of tape detection system
05/03/1994US5309297 Digital cassette tape reproducing device including novel drive circuit
05/03/1994US5309293 Magnetic recording/reproducing apparatus
05/03/1994US5309077 Apparatus and method for loading a cassette tape in a video equipment
05/03/1994US5308016 Tape transport with differential torque between takeup and feed reels
05/03/1994US5308013 Cassette loading apparatus for cassette player which smoothly engages a reel and a driving table
05/03/1994US5307972 Pinch roller pressing device in camera-integrated type VCR
05/03/1994US5307971 Tape keeper for tape transport elements
05/03/1994CA1329260C Recording and/or reproducing apparatus with rotary head for magnetic tape cassette
05/03/1994CA1329259C Tape loading apparatus
05/03/1994CA1329258C Servo for a rotary head drum of vtr
04/1994
04/27/1994EP0594450A2 Cassettes and a mechanism and method for securing the recorded contents of their recording medium
04/27/1994EP0594438A1 Data recorder having self-diagnostic function using magnetic tape
04/27/1994EP0594407A2 Recording signal control apparatus capable of optimizing recording conditions for magnetic recording medium
04/27/1994EP0594373A2 Cassette tape player having circuit for detecting reverse rotation of take-up reel
04/27/1994EP0594141A2 Information reproducing apparatus
04/27/1994EP0594138A2 Multi-track magnetic signal reproducing apparatus
04/27/1994EP0593571A1 Video recorder system
04/26/1994US5307291 Instrument for analysis of levitation of rapidly moving structure such as a magnetic tape across an air gap
04/26/1994US5307227 Magnetic recording/reproducing apparatus capable of high-density recording on a magnetic tape guided at high speed
04/26/1994US5307221 Tape recorder mode switch
04/26/1994US5307220 A magnetic-tape-cassette apparatus having improved tape-guide device