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Class Information
Number: 360/73.13
Name: Dynamic magnetic information storage or retrieval > Automatic control of a recorder mechanism > Controlling the record > Speed > Linear carrier > Constant speed > By reproduced control signal > From separate track
Description: Subject matter wherein the control signal is stored on a track on the record carrier distinct from other information recorded thereon.


Patents under this class:

Patent Number Title Of Patent Date Issued
6441985 Media velocity detection for a capstanless tape transport system Aug. 27, 2002
6163427 Storing and reproducing digital video and audio on a magnetic tape having stored a signal readable by VHS analog apparatus Dec. 19, 2000
6147829 Magnetic tape with a track configuration and apparatus for cooperation with such a magnetic tape Nov. 14, 2000
5966497 Magnetic recording and reproducing apparatus Oct. 12, 1999
5604648 Circuit and method for controlling speed and phase of VCR servo system Feb. 18, 1997
5491594 Magnetic recording/reproducing apparatus Feb. 13, 1996
5430579 Apparatus for digitally recording analog video signals in ordinary and long mode Jul. 4, 1995
5408368 Digital servo track format Apr. 18, 1995
5379164 Helical scan system information signal recording/reproducing apparatus using control signal phase data and head height data from memory during control signal drop out Jan. 3, 1995
5335116 Method and apparatus for recording analog video signal in compressed digital format Aug. 2, 1994
5274514 Picture quality compensating apparatus and method Dec. 28, 1993
5264969 Tape editing apparatus with automatic tracking adjustment prior to recording Nov. 23, 1993
5189568 Method and apparatus for generating frame control signals in a multihead videotape recorder using multiple video signal tracks for each video frame Feb. 23, 1993
4839755 Rotary head type digital signal reproducing apparatus with different modes and tracking control Jun. 13, 1989
4743981 System for synchronizing audiotape and videotape machines May. 10, 1988
4675757 Method and apparatus for synchronizing tape recording and playback machines Jun. 23, 1987
4672474 Synthetic control track signal producing apparatus for video tape machines Jun. 9, 1987
4663679 Tape address synchronizing apparatus for video tape recorder May. 5, 1987
4605976 Recording and/or reproducing system for a 4-head type recording and/or reproducing apparatus Aug. 12, 1986
4577243 Control signal generating circuit for a magnetic recording and/or reproducing apparatus Mar. 18, 1986
4542424 Tape speed control apparatus Sep. 17, 1985
4527207 Tape speed control for producing a master tape carrying a digital signal Jul. 2, 1985
4409628 Tape transport speed control using a playback data derived clock signal Oct. 11, 1983
4358797 Electronic editing control apparatus for a video tape recorder Nov. 9, 1982
4348699 Apparatus for recording and/or reproducing digital signal Sep. 7, 1982
4346397 Apparatus for reproducing a video signal of one system with conversion to a video signal of another system Aug. 24, 1982
4048659 Automatic cassette reproducing apparatus Sep. 13, 1977
4027337 Installation for the remote transmission of facsimiles May. 31, 1977
3990108 Magnetic tape speed control system Nov. 2, 1976
3946435 Recording and playback apparatus Mar. 23, 1976



 
 
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