| Patents for G11B 27 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel (59,746) |
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| 03/13/1991 | EP0035539B1 High capacity data cartridge system |
| 03/13/1991 | CN1049928A 数字信号处理系统 Digital signal processing system |
| 03/12/1991 | US4999825 Recording/reading apparatus for inscribable record carrier and its manufacture |
| 03/12/1991 | US4999824 Magneto-optical memory device |
| 03/12/1991 | US4999720 Zone density sector counter |
| 03/12/1991 | US4999719 Magnetic recorder-reproducer including a one-frame-taking control sequence |
| 03/12/1991 | CA1281424C Modular data storage directories for large-capacity data storage units |
| 03/07/1991 | WO1991003112A1 Program transmission optimisation |
| 03/07/1991 | WO1991003053A1 A method of and apparatus for assisting in editing recorded audio material |
| 03/07/1991 | WO1991003044A1 Process and device for copying magnetic tapes |
| 03/07/1991 | WO1991003018A1 Data management system of direct read after write type device |
| 03/06/1991 | EP0415786A2 Information storage and processing |
| 03/06/1991 | EP0415699A2 Digital video signal recorder and reproducer |
| 03/06/1991 | CN1049741A Video and audio tape and its prodn. method |
| 03/06/1991 | CN1049740A Recorder with tape position indication |
| 03/06/1991 | CN1049739A Magnetic desk controlling device |
| 03/05/1991 | US4998167 High resolution translation of images |
| 03/05/1991 | US4998009 Information recording method for recording data and directories in a plurality of blocks comprising divided recording areas |
| 02/28/1991 | DE4011134A1 Juke box type selection equipment with multiple headphones - uses local operator selection keyboard and headphones connected to remote record retrieval and playback equipment |
| 02/28/1991 | DE3932059A1 Verfahren und einrichtung zum kopieren von magnetbaendern Method and device for copying magnetbaendern |
| 02/27/1991 | EP0414579A2 A carriage servo unit in a disk player |
| 02/27/1991 | EP0414518A2 Optical recording medium and method of and apparatus for recording and reproducing information therein |
| 02/27/1991 | EP0414516A2 Optical recording medium |
| 02/27/1991 | EP0413755A1 Coin or token operated machine for playing pre-recorded record discs |
| 02/27/1991 | EP0277219B1 Process for determining the length of tapes, especially magnetic tapes |
| 02/26/1991 | WO1991003046A1 Optical recording medium, data recording method and data reproducing method |
| 02/26/1991 | WO1991003045A1 Optical recording medium and information recording apparatus |
| 02/26/1991 | US4996714 Computerized filing and retrieval system for signature and pictorial documentation |
| 02/26/1991 | US4996679 Subcode information and block identification system for a disc player |
| 02/26/1991 | US4996678 Apparatus for rewriting an optical disc while updating its table of contents and without leaving gaps |
| 02/26/1991 | US4996611 Tape position data indicating apparatus for cassette tape player |
| 02/26/1991 | US4996610 Disk-type magnetic recording apparatus with video signal discrimination means |
| 02/26/1991 | US4996607 Audio signal recording apparatus |
| 02/26/1991 | CA2023961A1 Optical recording medium |
| 02/25/1991 | CA2023615A1 Disk control apparatus |
| 02/21/1991 | WO1991002430A1 Digital signal processing system |
| 02/21/1991 | WO1991002356A1 Video recorder with tape position display |
| 02/21/1991 | WO1991002355A1 A recording and play-back system, primarily a video system, using tape cassettes |
| 02/21/1991 | WO1991002350A1 Floppy maintenance disk for a computer disk drive |
| 02/20/1991 | EP0413458A2 Disc player |
| 02/20/1991 | EP0413288A2 Video recorder with automatic search mode |
| 02/20/1991 | EP0413126A1 Control system for cassette-recorder |
| 02/20/1991 | EP0412993A1 Tape drive machines. |
| 02/20/1991 | CN1049436A Interface for tv-vcr system |
| 02/19/1991 | US4995026 Apparatus and method for encoding audio and lighting control data on the same optical disc |
| 02/19/1991 | US4994925 Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus |
| 02/19/1991 | US4994922 Image storage and retrieval apparatus |
| 02/19/1991 | US4994916 Apparatus and method for encoding identification information for multiple asynchronous video signal sources |
| 02/19/1991 | CA1280510C2 Magnetic tape system with command prefetch means |
| 02/14/1991 | DE4023866A1 Time and date controller for video tape recorder - uses time and date information in horizontal synchronisation signal to compare with preset required item and date recorder setting |
| 02/14/1991 | DE3926213A1 Examination system for traffic space photo-technical properties - has software controlled process computer, supplied with analog video camera video signals, recorded by video recorder |
| 02/13/1991 | EP0412354A2 Interactive video system |
| 02/12/1991 | US4993008 Multiple-disk player with automatic fade-out function |
| 02/12/1991 | US4992893 Alignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatus |
| 02/12/1991 | US4992892 Music start signals in a magnetic recording/reproducing device |
| 02/12/1991 | US4992891 Magnetic tape |
| 02/12/1991 | US4992886 Method and apparatus for encoding data within the subcode channel of a compact disc or laser disc |
| 02/12/1991 | US4992885 Method of recording and reproducing audio information in correlation with divided screen graphics information |
| 02/07/1991 | WO1991001605A1 Branching table for interactive video display |
| 02/07/1991 | DE3925962A1 Videorecorder mit bandstandsanzeige VCR with bandstand Show |
| 02/07/1991 | DE3925628A1 Hi=fi stereo video tape recorder system - uses rotating and fixed sound heads in conjunction with video heads processor and memory |
| 02/06/1991 | EP0411961A2 Optical disk recording/reproducing device |
| 02/06/1991 | EP0411948A2 Audio signal reproducing apparatus |
| 02/05/1991 | US4991159 Time display device for an apparatus for playing information recorded on an optical disk |
| 02/05/1991 | US4991158 Optical information recording and reproducing apparatus |
| 02/05/1991 | US4991157 Optical information storage apparatus |
| 02/05/1991 | US4991121 Image display system |
| 02/05/1991 | US4991040 Tape recorder which displays unrecorded time on magnetic tapes |
| 02/05/1991 | US4991036 Moving data storage media mode/direction change optimization |
| 02/05/1991 | US4991033 Signal processing method and device for digital signal reproduction apparatus |
| 02/05/1991 | US4991032 Synchronization of recordings |
| 02/05/1991 | CA1279928C Block pattern detection circuitry |
| 02/05/1991 | CA1279927C Information recording and reproducing apparatus |
| 01/30/1991 | EP0410722A2 Information transmitting device |
| 01/30/1991 | EP0410626A2 Moving-image recording/reproducing apparatus |
| 01/30/1991 | EP0410579A2 Image searching apparatus |
| 01/30/1991 | EP0193614B1 Disk-shaped record carrier |
| 01/30/1991 | EP0186662B1 Self-timed runout correction pattern |
| 01/30/1991 | CN1048945A Method of and device for providing a record carrier with information patterns |
| 01/29/1991 | US4989196 Optical information recording apparatus |
| 01/29/1991 | US4989195 Disk recording/reproducing system using disk identification signal to retrieve stored control parameters |
| 01/29/1991 | US4989191 Data processing system with mixed media memory packs |
| 01/29/1991 | US4989112 Apparatus for discriminating types of tape cassettes |
| 01/29/1991 | US4989104 Apparatus for recording and quickly retrieving video signal parts on a magnetic tape |
| 01/29/1991 | US4989101 Tape synchronizing apparatus having self-correcting offset calculation |
| 01/29/1991 | US4989097 Apparatus for reproducing and processing picture information from a recording medium |
| 01/23/1991 | WO1992001342A1 Coin-operated automatic music playing machine |
| 01/23/1991 | EP0409816A2 Optical system for aiming apparatus using a laser diode |
| 01/23/1991 | EP0409649A2 Information recording and reproducing device |
| 01/23/1991 | EP0409516A2 Apparatus for deriving synchronizing signal from pre-formed marks on record carrier |
| 01/23/1991 | EP0409110A2 System for identifying information on optical discs |
| 01/23/1991 | EP0215133B1 Method and apparatus of constructing and recording list of recorded data in postscript-type optical disk |
| 01/22/1991 | US4987552 Automatic video editing system and method |
| 01/22/1991 | US4987533 Method of managing data in a data storage hierarchy and a data storage hierarchy therefor with removal of the least recently mounted medium |
| 01/16/1991 | EP0408343A2 Encoding device and decoding device suitable for dubbing |
| 01/16/1991 | EP0407561A1 Audio/video recorder/transceiver |
| 01/15/1991 | US4985880 Optical information recording and reproducing apparatus |
| 01/15/1991 | US4985786 Apparatus for retrieving information previously recorded on recording tape irrespective of tape speed |
| 01/15/1991 | CA1279124C Program identification method and apparatus |
| 01/12/1991 | CA2020688A1 Information record medium playback apparatus |