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)
06/1989
06/13/1989US4839762 Rotary head device
06/13/1989US4839759 Tape bed and mode-changing mechanism arrangement for thin cassette type recorder
06/13/1989US4839755 Rotary head type digital signal reproducing apparatus with different modes and tracking control
06/07/1989EP0319218A2 Data reproducing apparatus
06/07/1989EP0318937A2 Rotatable head type digital magnetic recording and reproducing device
06/07/1989EP0318931A2 Drum assembly in magnetic recording/reproducing apparatus and manufacturing method thereof
06/07/1989CN1033333A 磁带录音机 Tape recorder
06/07/1989CN1033332A Cassette tape recorder
06/06/1989US4837649 Improvements to rotating head assembly in a video tape recording machine
06/06/1989US4837647 Video cassette auto-changer
06/06/1989US4837646 Tape guide apparatus for helically wound tape
06/06/1989US4837645 Drive mechanism for cassette-enclosed magnetic tape
06/06/1989US4837641 Rotary head type digital signal recording and reproducing apparatus
06/06/1989US4837640 Method and apparatus for detecting a control signal
06/06/1989US4837639 Control signal extraction in a reproducing apparatus
06/06/1989US4836465 Magnetic tape transport system
06/06/1989US4836463 Endless loop transport and storage system
06/06/1989US4836241 Valve for the controlling of a pressure differential
06/01/1989WO1989005028A1 Digital tape recorder
06/01/1989DE3739283A1 Videotape device
05/1989
05/31/1989EP0318038A2 Circuit for separating simultaneously reproduced PCM and ATF signals having at least partially overlapping frequency bands
05/31/1989CN2038656U Recorder for re-recording use
05/31/1989CN2038655U Radio-recorder for studying language
05/30/1989US4835760 Loading device for an apparatus for recording and/or re-producing signals, and apparatus provided with the loading device
05/30/1989US4835636 Dustproof door mechanism
05/30/1989US4835634 Automatic magnetic tape cartridge stack loader for tape drive systems
05/30/1989US4835630 Modular configurable communications recorder
05/30/1989US4834315 Apparatus for grounding cassette
05/24/1989EP0317370A2 Cassette loading apparatus for digital audio tape recorder
05/24/1989EP0317157A1 Distinguishing between audio and non-audio signals
05/24/1989EP0316954A2 Method of reproducing a tape recorder of the rotary head type
05/24/1989EP0316566A2 Method for the acquisition of a control signal for automatic track following
05/24/1989EP0188527B1 Takeup spindle
05/24/1989DE3838013A1 Cassette-loading device for video-cassette recorders
05/24/1989DE3738793A1 Winding element connected to an end of a tape, in particular a magnetic tape, and method of fixing the end of the tape on the winding element
05/24/1989CN2038269U Instaling unit for magnetic head of tape recorder
05/24/1989CN1033120A Converting device for magnetic tape going direction
05/24/1989CN1004308B 录音机 Recorder
05/23/1989US4833562 Rotary magnetic head cylinder device for suppressing vibrations ofa magnetic tape
05/23/1989US4832674 Pulley and press-fit pulley structure
05/23/1989US4832284 Apparatus for drawing out a leader block in a tape cartridge for a magnetic instrument
05/23/1989US4832283 Tape transport cartridge
05/18/1989WO1989004539A1 Multi-cassette indexing mechanism for a tape transport
05/18/1989WO1989004538A1 Cassette loading apparatus
05/18/1989WO1989004534A1 Method and device for magnetic recording
05/18/1989DE3738092A1 Method for compensating for speed errors
05/18/1989DE3737956A1 Switching device for controlling a forwards and reverse drive
05/17/1989EP0316156A2 Tape cassette loading system
05/17/1989CN2037861U Stepless electronic speed regulator for tape recorder
05/17/1989CN2037860U 磁带录音机 Tape recorder
05/16/1989US4831660 Mode change mechanism for tape recorders
05/16/1989US4831610 Method and apparatus for interactive control of a data recording medium playback apparatus using bar code access
05/16/1989US4831472 Cassette loading apparatus
05/10/1989EP0315624A2 Process for cleaning magnetic heads and device for carrying out the process
05/10/1989CN2037494U Automatic repeating playback unit of recorder
05/10/1989CN1004178B Double-cassette tape recorder
05/09/1989US4829389 Surveillance video tape recorder
05/09/1989US4829387 Rotary head type digital signal reproducing device for controlling tape speed according to a tracking error
05/09/1989US4828201 Apparatus for coupling a drive motor to a leader block loading/unloading mechanism
05/09/1989US4828197 Method and device for winding magnetic tape using magnetic alignment
05/09/1989US4828196 Device for winding magnetic tape using magnetic alignment
05/09/1989US4828158 Pinch roller driving mechanism
05/09/1989US4827785 Apparatus having at least two control bars with differing latching arrangements
05/09/1989CA1253985A1 Voice mail system on audio tape
05/05/1989WO1989004046A1 Webbed scanner window
05/05/1989WO1989004045A1 Device for driving magnetic tape at high speed
05/05/1989WO1989004044A1 Device for driving magnetic tape at high speed
05/03/1989EP0314556A1 Video record/read head, production process and apparatus for carrying out this process
05/03/1989EP0313606A1 Compact disc changer.
05/03/1989CN1004097B 飞轮 Flywheel
05/02/1989US4827363 Cassette tape recorder
05/02/1989US4827361 Head clogging detector for use in a video tape recorder
05/02/1989US4827360 Rotary transformer with winding to cancel crosstalk
05/02/1989US4827201 Digital servo system for motor driven apparatus
05/02/1989US4826102 Apparatus for feed-out of leading film end from roll film cartridge
05/02/1989US4826101 Apparatus for loading and unloading the leader block of a tape cartridge
05/02/1989US4826097 Reel spindle apparatus with internal clamping member
05/02/1989CA1253619A1 Apparatus for reproducing a digital signal
04/1989
04/25/1989US4825322 Magnetic-tape-cassette apparatus with two-button control of three functions
04/25/1989US4825317 Mechanism for damping tape vibrations in a magnetic tape recorder
04/25/1989US4825312 Cassette loading mechanism
04/25/1989US4825307 Information signal recording apparatus
04/20/1989DE3737281A1 Dictating machine
04/20/1989DE3732919A1 Method of pause searching in cassette recorders
04/19/1989EP0312402A2 Tape cassette loading system
04/19/1989EP0312397A2 Tape cassette driving system
04/19/1989EP0312106A2 Tape cassette
04/19/1989EP0311922A2 Mechanical holding device for the drive plate of a cassette recorder
04/19/1989EP0311921A2 Magnetic switch device for the servo drive of a cassette recorder
04/19/1989CN2036303U 磁带录音机 Tape recorder
04/18/1989US4823222 Webbed scanner window
04/18/1989US4823206 Video signal recording and/or reproducing apparatus
04/18/1989US4823198 Video recording and reproducing device and method including video signal record restart during rewind/playback operation after non-detection of pilot signal in video track
04/18/1989US4821917 Storage and dispensing means
04/18/1989CA1252885A1 Digital data recording and reproducing device
04/12/1989EP0311390A2 Tape cassette loading system
04/12/1989EP0311151A1 Apparatus for reproducing digital signals from magnetic tape
04/12/1989EP0311143A2 Method and apparatus for producing an artificial synchronising signal
04/12/1989EP0310861A2 Cassette tape recorder
04/11/1989US4821135 Increased thermoconductivity, low coefficient of friction; prevents heat generation or accumulation