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Class Information
Number: 386/90
Name: Television signal processing for dynamic recording or reproducing > Processing of television signal for dynamic recording or reproducing > Time (e.g., phase or frequency) correction > Digital technique
Description: Subject matter wherein a television signal subjected to time base correction is a signal composed of a series or pattern of identical pulse bits characterized solely by their presence or absence.

Sub-classes under this class:

Class Number Class Name Patents
386/91 By controlling read-write operations 62

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7693398 Digital information reproducing apparatus and method Apr. 6, 2010
7639920 Recorder Dec. 29, 2009
7627228 Wireless video transmission system Dec. 1, 2009
7379655 Information searching device, information receiver, and methods therefor May. 27, 2008
7324742 Video-signal processing apparatus and method, recording medium and program Jan. 29, 2008
7274862 Information processing apparatus Sep. 25, 2007
7209641 Decoder Apr. 24, 2007
7072572 Method of and apparatus for merging bit streams for seamless reproduction, and recording medium for recording control information for bit stream merging Jul. 4, 2006
6731861 Video tape recorder May. 4, 2004
6336001 Digital recording/reproduction apparatus Jan. 1, 2002
6320417 Multiple-bit, current mode data bus Nov. 20, 2001
6195500 Phase control apparatus for video cassette recorder Feb. 27, 2001
6128433 Controlling frequency drift of a digital video tape drive Oct. 3, 2000
5930448 Tracking control circuit and method in digital image recording and reproducing device using bit error rate Jul. 27, 1999
5911034 Method and circuit for producing synchronous control signals in video recorders Jun. 8, 1999
5892593 Apparatus and method for processing a nonstandard sync signal in a video signal processing system Apr. 6, 1999
5887114 Video memory device for processing a digital video signal comprising a separation means which separates a horizontal synchronizing signal from a digital video signal Mar. 23, 1999
5862294 Video signal reproducing apparatus in image fast locking system Jan. 19, 1999
5801769 Vibration compensator with corrects for vibration errors based on servo control unit errors Sep. 1, 1998
5666458 Reproduction error correction circuit for a video reproduction system, and the method for operating it Sep. 9, 1997
5587804 Reproduction error correction circuit for a video reproduction system & the method for operating it Dec. 24, 1996
5577015 System for recording digital information in a pulse-length modulation Nov. 19, 1996
5576842 Data detection method and apparatus therefor for use in a digital recording/reproduction system Nov. 19, 1996
5557335 Time base corrector for video signal Sep. 17, 1996
5493414 Method of dubbing digital video signals Feb. 20, 1996
5486955 Video tape recorder in which a video signal to be displayed is produced by utilizing a single main magnetic head Jan. 23, 1996
5461487 Video playback device capable of removing time base errors from video signals Oct. 24, 1995
5406382 Video signal recordding-reproduction apparatus for wide band video signals Apr. 11, 1995
5394276 Method and apparatus for two-channel recording of video signals Feb. 28, 1995
5347316 Image information transmission system having time base variation correcting function Sep. 13, 1994
5335077 Time base correcting device Aug. 2, 1994
5319500 Video reproducing apparatus for maintaining picture quality during high speed search functions Jun. 7, 1994
5309291 Circuit for compensating the errors occurring when changing the playing back speed of a double azimuth 4-head VTR May. 3, 1994
5280352 Circuit arrangement for time base transformation of a digital picture signal Jan. 18, 1994
5257110 Image information transmission system Oct. 26, 1993
5253118 Disk speed controller using field memory read/write cycle with adaptive lock Oct. 12, 1993
5249229 Device and method for generating control signals Sep. 28, 1993
5245430 Timebase corrector with drop-out compensation Sep. 14, 1993
5231543 Digital signal recording/reproducing apparatus for use with digital signals having different transmission rates Jul. 27, 1993
5229892 Time base corrector having a velocity error data extracting circuit Jul. 20, 1993
5206768 Method and apparatus for writing video signal in memory Apr. 27, 1993
5206740 Video disk player capable of providing normal image reproduction of an external video signal as well as a video signal stored on a disk Apr. 27, 1993
5166806 Apparatus for playing disks having different types of video signals recorded thereon Nov. 24, 1992
5157513 Circuit and method for reducing the timebase correction requirements of an optical videodisc player in scan mode Oct. 20, 1992
5121261 Digital video signal processing apparatus Jun. 9, 1992
5119209 Picture image reproducing apparatus having a sampling circuit for sampling an output of the time base error correcting circuit Jun. 2, 1992
5097347 Method and apparatus for generating a playback clock from a 2.5 MHz chroma PLL Mar. 17, 1992
5062005 Videodisc reproducing apparatus Oct. 29, 1991
4959825 Recorded information reproducing apparatus with reading and writing phase adjustment Sep. 25, 1990
4907070 Time base corrector with memory mapped system control Mar. 6, 1990

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