| Patents for G11B 27 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel (59,746) |
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| 10/04/1983 | US4408309 Time delayed recording system |
| 10/04/1983 | US4408301 Picture information filing system |
| 10/04/1983 | US4408234 Recording apparatus with automatic actuator |
| 10/04/1983 | CA1154865A1 Video track transfer system and method |
| 09/29/1983 | WO1983003321A1 Security marking video tape recordings |
| 09/27/1983 | CA1154535A1 Video disc system |
| 09/21/1983 | EP0089274A1 Optical information carrier, optical device for generating tracking signals and optical device for generating error signals for focussing |
| 09/21/1983 | EP0089264A1 Method and device for generating synchronizing signals in an optical recording-reproducing apparatus for record carriers |
| 09/21/1983 | EP0089263A1 Pre-engraved movable record carrier and tracking device therefor |
| 09/21/1983 | EP0089197A1 Video disc reproducing apparatus |
| 09/21/1983 | EP0089021A2 Overlay recording prevention device for optical disc apparatus |
| 09/21/1983 | EP0089020A2 Data processing apparatus with means for recording data by moving a head to a plurality of tracks |
| 09/20/1983 | US4405984 Coin-operated phonograph |
| 09/20/1983 | US4405958 Magnetic reproducing apparatus with magnetoresistive head |
| 09/20/1983 | US4405952 Apparatus for detecting faulty sectors and for allocating replacement sectors in a magnetic disc memory |
| 09/20/1983 | US4405096 Magnetic tape cassette |
| 09/20/1983 | CA1154159A1 Phase servo circuit |
| 09/20/1983 | CA1154158A1 Tape synchronizing apparatus |
| 09/20/1983 | CA1154154A1 Dictation display device |
| 09/14/1983 | EP0088436A2 Apparatus for verifying code signals in the vertical blanking interval |
| 09/13/1983 | US4404604 Device for detecting a non-recorded segment on magnetic tape |
| 09/13/1983 | US4404603 Apparatus and method for inspecting magnetic tape recorded material for alterations |
| 09/13/1983 | US4404602 PCM Signal recording system |
| 09/13/1983 | US4404599 Laser recording information and pilot signals for tracking on a grooveless recording |
| 09/13/1983 | CA1153821A1 Apparatus and method for detecting discontinuities in time code addresses |
| 09/07/1983 | EP0087907A2 Calibration system for a magnetic recording apparatus, and calibration arrangement for use with a magnetic storage medium |
| 09/07/1983 | EP0087886A1 Apparatus for connecting digital data |
| 09/06/1983 | US4403261 Method and apparatus for editing digital signal |
| 09/06/1983 | US4403259 Apparatus for reading information from an information recording disc |
| 09/06/1983 | CA1153464A1 Magnetic recording and reproducing device |
| 08/31/1983 | EP0087174A1 Control system for an optical data recording apparatus |
| 08/30/1983 | US4402061 Preformatted optical media for use in an optical memory system |
| 08/30/1983 | US4402021 Method and apparatus for recording digitized information on a record medium |
| 08/30/1983 | US4402018 System using a rotating medium for recording cinematographic picture images |
| 08/30/1983 | US4401923 Digital open loop tape tension control circuit for tape recorders and the like |
| 08/24/1983 | EP0086659A2 Apparatus for recording and reproducing a digital signal |
| 08/24/1983 | EP0086658A2 Time base correcting apparatus |
| 08/23/1983 | US4400732 PCM Signal extracting circuit |
| 08/23/1983 | US4400633 Level detection circuit |
| 08/23/1983 | CA1152638A1 Memory disc addressing device |
| 08/23/1983 | CA1152637A1 Apparatus for recording and/or reproducing digital signal |
| 08/23/1983 | CA1152610A1 Microfiche information retrieval and control system utilizing machine readable microfiche and visually readable microfiche |
| 08/23/1983 | CA1152597A1 Method and apparatus for preventing errors in pcm signal processing apparatus |
| 08/18/1983 | WO1983002839A1 Automated instruction, game and data retrieval system |
| 08/16/1983 | US4399527 Dictation display device |
| 08/16/1983 | US4399355 Display apparatus for tape running positions |
| 08/16/1983 | CA1152211A1 Method for recording information signal and control signal |
| 08/16/1983 | CA1152210A1 Time counting clock generator |
| 08/10/1983 | EP0085441A2 Device for mounting video tapes |
| 08/09/1983 | US4398300 Method and apparatus for cassette identification by operating characteristics |
| 08/09/1983 | US4398279 Digital display for dictation transcriber for indicating remaining tape within discrete segments of dictation |
| 08/09/1983 | US4398223 System for recording video information on a record card |
| 08/04/1983 | WO1983002705A1 Interactive video disc systems |
| 08/03/1983 | EP0084952A2 Digital signal recording apparatus |
| 08/03/1983 | EP0084950A2 Data storage system using video tape |
| 08/03/1983 | EP0084778A2 Multiple variable rate audio message recording and playback |
| 08/03/1983 | EP0084777A1 Recovering and playing back selected audio messages from a block of messages on a recording medium |
| 08/02/1983 | US4396957 Tape control system for use in an automatic program locating system for tape player |
| 08/02/1983 | US4396941 Combined television receiver/tape recorder/calculator |
| 08/02/1983 | US4396804 Telephone answering device with automatic rewind |
| 07/26/1983 | US4395740 Apparatus and method for locating and presenting pre-recorded information |
| 07/26/1983 | US4395738 Helical scan tape recording and/or replay apparatus |
| 07/26/1983 | CA1150831A1 Tape position control apparatus |
| 07/20/1983 | EP0083958A1 Method and apparatus for single frame recording on video tape |
| 07/20/1983 | EP0083686A1 Audio/video quality monitoring system |
| 07/19/1983 | US4394745 Video editing apparatus |
| 07/19/1983 | US4394694 Tape synchronizing apparatus |
| 07/19/1983 | CA1150402A1 Apparatus and method for determining time code addresses at low tape speed |
| 07/19/1983 | CA1150400A1 Apparatus for reproducing audio signals |
| 07/19/1983 | CA1150396A1 Servo control circuit |
| 07/13/1983 | EP0083475A1 Optical data recording and reproducing apparatus |
| 07/12/1983 | US4393419 Synchronizing signal detection protective circuit |
| 07/12/1983 | US4393415 Time changing system for VTR |
| 07/12/1983 | CA1149947A1 Digital on video recording and playback system |
| 07/12/1983 | CA1149934A1 Magnetic tape recorder having a tape drive controller implemented with a digital processor chip |
| 07/06/1983 | EP0083207A1 Automatic adjustment of recording conditions for tape recorders having auto reverse function |
| 07/05/1983 | US4392162 Digital video signal reproducing apparatus |
| 07/05/1983 | US4392161 Recorded tape, speed-change reproducing system |
| 07/05/1983 | US4392095 Method of and apparatus for generating a unique index mark from the commutation signal of a D.C. brushless motor |
| 07/05/1983 | CA1149510A1 Process for coding binary signals for numbering images or pictures stored on a recording medium and audio visual signal transmission apparatus incorporating such a device |
| 06/29/1983 | EP0082337A2 Assembly including a flexible disk and a diskdrive therefor |
| 06/28/1983 | US4390915 Helical scan type video tape recorder |
| 06/28/1983 | US4390910 Phase-lock oscillator |
| 06/28/1983 | US4390908 Phase servo circuit |
| 06/28/1983 | US4390904 Automatic circuit and method for editing commercial messages from television signals |
| 06/28/1983 | US4390145 Magnetic tape handling apparatus |
| 06/23/1983 | WO1983002105A1 Counter assembly for a video cassette |
| 06/22/1983 | EP0081958A1 Improvements in and relating to tape recorders |
| 06/22/1983 | EP0081757A1 Circuit for extracting or regenerating frame synchronizing signals |
| 06/21/1983 | US4389685 Cue signal generating system |
| 06/21/1983 | US4389681 Method and apparatus for recording digitized information on a record medium |
| 06/21/1983 | US4389680 Special effects editing method and apparatus using retrieved video |
| 06/15/1983 | EP0081184A2 Banded and interleaved videodisc format |
| 06/15/1983 | EP0081138A2 Optical recording and reproducing disc |
| 06/14/1983 | US4388659 Tape recorder apparatus capable of playing back selected information while recording other information |
| 06/07/1983 | US4387408 Multi-speed magnetic recorder with wear resistance playback head |
| 06/07/1983 | CA1147861A1 Process for mixing audio and video signals |
| 06/07/1983 | CA1147858A1 System for recording digital information in a pulse-length modulation format |
| 06/07/1983 | CA1147798A1 Helical scan recorder having capstan motor speed responsive to a frequency of a command signal |
| 06/07/1983 | CA1147662A1 System and method for storage and retrieval of platemaking data |