Patents
Patents for G11B 27 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel (59,746)
07/1991
07/20/1991WO1991011003A1 Method of recording and reproducing data
07/20/1991WO1991011002A1 Data recording and reproducing methods
07/17/1991EP0437321A2 Apparatus for recording a digital signal
07/17/1991EP0437315A1 Recording apparatus and reproducing apparatus with editing function
07/17/1991EP0437219A1 Helical scan digital data reproduce apparatus
07/17/1991EP0437093A2 Data disc and method for retrieving data recorded on data disc
07/17/1991EP0436991A1 Digital transmission system, transmitter and receiver to be utilised in the transmission system and record carrier obtained by means of the transmitter in the form of a recording means
07/17/1991EP0436964A2 Reproducing apparatus for a disc
07/17/1991EP0436877A2 Reproducing apparatus for a disc
07/17/1991CN1053162A Magnetic recording/reproducing apparatus
07/17/1991CN1053141A Method for distinguishing type of video tape and computing unused amount of tape
07/16/1991US5032937 Magnetic tape recording and/or reproducing apparatus having automatic mode changing capabilities
07/16/1991US5032933 Magnetic tape recording and playback equipment for automatic check of recorded data
07/16/1991US5032932 Hard disk testing method
07/16/1991US5032927 Image signal recording apparatus capable of recording compressed image data together with audio data
07/16/1991US5032926 Video tape recorder having picture-in-picture function
07/16/1991US5032918 Electronic still camera
07/16/1991US5031346 Jukebox selection display and page turning mechanism therefor
07/16/1991CA1286400C Method and apparatus for transmitting and/or receiving a digitalsignal
07/11/1991WO1991010217A1 Musical reproduction unit
07/10/1991EP0436441A2 Data reproducing apparatus
07/10/1991EP0436018A1 Disk-like recording medium
07/10/1991CA2045535A1 Interactive video control system
07/10/1991CA2033638A1 Digital signal recording apparatus
07/09/1991US5031054 In-drive defect detector
07/09/1991CA2033613A1 Digital transmission system, transmitter and receiver to be utilized in the transmission system and record carrier obtained by means of the transmitter in the form of a recording means
07/09/1991CA1286025C Component audio/video system with automatic turn-off of peripheral device
07/03/1991EP0435754A1 Method of linking coded data to be recorded on a writable optical disc
07/03/1991EP0435646A2 Target track position retrieval device
07/03/1991EP0435316A2 Electronic filing apparatus using part of read image information as retrieval informations
07/03/1991EP0435314A2 Information recording/regenerating apparatus
07/03/1991EP0435169A2 Image display system and method of displaying an image therewith
07/03/1991EP0435054A1 Process and circuit arrangement for recording and for determining the existence and the reproduction of information signals
07/02/1991US5029153 Optical disk reproducing device
07/02/1991US5029152 Apparatus for detecting delete patterns of optical discs
07/02/1991US5029125 Method of reading and writing files on nonerasable storage media
07/02/1991US5029022 Method of storing data on recording tape
07/02/1991US5029021 Video recording/reproducing apparatus and method of editing video tape
07/02/1991US5029016 Medical image filing apparatus and filing method for registering images from a plurality of image output devices in a single examination
07/02/1991US5029014 Ad insertion system and method for broadcasting spot messages out of recorded sequence
07/02/1991US5029013 Apparatus for editing video tapes
06/1991
06/27/1991WO1991009498A1 Video camera recorders and/or recording systems
06/27/1991DE3942571A1 Monitoring quality of sound archive material - having recording quality parameter compared with stored valve to identify faults
06/25/1991US5027339 Optical card analyzing apparatus
06/25/1991US5027232 Magnetic recording and reproducing apparatus with double decks synchronized for dubbing
06/25/1991US5027214 Electronic still camera using variable-length data compression for storing still image signals
06/25/1991US5027193 System for transmitting a digital video signal including time code signals
06/23/1991WO1991010323A1 Media pipeline system
06/23/1991WO1991010321A1 Media storage and retrieval system
06/19/1991EP0433082A1 Synchronizing signal detector for multi-beam optical disk unit
06/19/1991EP0432976A2 Magnetooptic data storage apparatus and magnetooptic disk
06/19/1991EP0432759A1 Data recording method, end search method and connection recording method
06/19/1991CN2079344U Winding program locating circuit device
06/18/1991US5025432 Autochanger of writable discs including a non-volatile memory for storing most recent defect management information relating to the writable discs
06/18/1991US5025329 Electronically controlled magnetic tape editing device
06/18/1991US5025324 Method of and apparatus for recording information on both a main recording medium and an endless recording medium for repeated event monitoring
06/18/1991CA1285064C Method for recording and/or reproducing digitally coded signals
06/12/1991EP0432056A1 Character information display system of cassette player and a method thereof
06/12/1991EP0431859A2 Disc evaluating apparatus
06/12/1991EP0431647A2 Apparatus for evaluating a scanning locus of a rotary head
06/12/1991EP0431590A2 A CD-ROM retrieval apparatus
06/12/1991EP0431196A1 Library equipment
06/11/1991US5023857 Optical information storage apparatus including eccentricity compensator
06/11/1991US5023856 Optically readable record carrier for recording information, apparatus for manufacturing such a record carrier, apparatus for recording information on such a record carrier, and apparatus for reading information recorded on such a record carrier
06/11/1991US5023854 Disc having a data read-only area and a data recording arm and a recording reproducing system therefor
06/11/1991US5023741 Programmable limited play video tape cassette
06/11/1991US5023731 Magnetic recording and playback apparatus
06/11/1991US5023727 Method and device for producing a substantially continuous composite video signal
06/11/1991US5023548 Method and apparatus for verifying a helical scan recording tape using a plurality of linear recording heads
06/05/1991WO1991008647A1 Split swipe tape recording
06/05/1991EP0430717A2 Improvements in, or relating to tape duplicator systems
06/05/1991EP0430482A2 Technique for information protection on fault-tolerant redundant information storage devices
06/05/1991EP0430043A2 Digital signal processing circuit
06/05/1991EP0429727A1 Data recorder
06/05/1991EP0362257A4 Rapid accessing apparatus and method for helically recorded magnetic tape
06/05/1991CA2068647A1 Split swipe tape recording
06/04/1991US5022019 Disk-storage device
06/04/1991US5021897 Memory system for recording and reproducing block unit data
06/04/1991US5021893 High speed tape duplicating machine
05/1991
05/30/1991WO1991007731A1 Reading method and apparatus for cartridge library
05/29/1991EP0429221A2 A magnetooptic recorder-player
05/29/1991EP0429139A1 Information recording and reading system, and recording device and reading device for use in such a system
05/29/1991EP0428659A1 Improved method of and means for providing information to edit a video tape.
05/29/1991EP0428617A1 Dual deck videocassette recorder system
05/28/1991US5019923 System for discriminating tape speed mode
05/28/1991US5019922 Multi-disk player with automatic volume control
05/28/1991US5019920 Magnetic tape with an R-DAT format
05/22/1991EP0428073A2 High resolution translation of images
05/21/1991US5018126 Checking media operations and recording during optical recording
05/21/1991US5018120 Optical recording medium track indexing system
05/21/1991US5018040 Tape time display device for displaying a tape remainder time
05/21/1991US5018028 Audio signal recording apparatus and reproducing apparatus
05/21/1991US5018027 Method of and means for providing information to edit a video tape
05/16/1991WO1991007050A1 Cable television decoder to television accessory interfacing
05/16/1991WO1991006916A1 Multimedia search system
05/15/1991EP0427369A2 Data tape apparatus
05/15/1991EP0426872A1 Optical disc recording device
05/14/1991US5016273 Dual communication mode video tape recorder
05/14/1991US5016120 Apparatus for recording and reproducing a digitized audio signal on a magnetic tape which has a slant track format including means for detecting a control signal to identify a digitized audio signal on the slant track
05/14/1991US5016119 Video signal reproducing apparatus with two modes of keeping track of address