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Class Information
Number: 386/13
Name: Television signal processing for dynamic recording or reproducing > Processing of color television signal for dynamic recording or reproducing > Time (e.g., phase or frequency) correction
Description: Subject matter for correction of timing error introduced during recording or reproducing of the color television signal.

Sub-classes under this class:

Class Number Class Name Patents
386/14 By controlling relative transducer/record medium speed 20
386/20 Digital technique 59
386/17 Phase or frequency matching of color television signal component to an external reference 48
386/16 Using recorded reference (e.g., pilot signal) 40

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7583955 System for and method of reproducing multimedia contents in mobile communication terminal Sep. 1, 2009
7519276 Method for dubbing audio on rewritable medium Apr. 14, 2009
7461282 System and method for generating multiple independent, synchronized local timestamps Dec. 2, 2008
7212724 Jitter correcting apparatus and method for video signals May. 1, 2007
6987817 Digital clock recovery PLL Jan. 17, 2006
6977975 Digital clock recovery PPL Dec. 20, 2005
6895167 Information reproducing system and information reproducing method May. 17, 2005
6829671 Method and system for improved audio data retrieval from an optical media Dec. 7, 2004
6714717 Time base corrector Mar. 30, 2004
6453109 Video-signal processing apparatus providing a first clock signal and second clock signal which is based on the phase of the input signal Sep. 17, 2002
6408127 Image processing apparatus Jun. 18, 2002
6078720 Apparatus for copying a signal recorded on a video recording medium without demodulation Jun. 20, 2000
6046776 Burst gate pulse generator Apr. 4, 2000
5959692 Television-signal processing apparatus and television-signal processing Sep. 28, 1999
5926602 Time-base corrector circuit capable of adding color burst signal to output signal based on kind of input video signal Jul. 20, 1999
5923377 Jitter reducing circuit Jul. 13, 1999
5923707 Reproducing apparatus capable of generating clock signal synchronized in phase with reproduced data Jul. 13, 1999
5844621 Burst gate pulse generator Dec. 1, 1998
5745314 Clock generating circuit by using the phase difference between a burst signal and the oscillation signal Apr. 28, 1998
5724471 Automatic phase control method and apparatus employing a region determiner Mar. 3, 1998
5661526 Broadcast signal receiver and tape recorder and, method of detecting additional information channel Aug. 26, 1997
5606426 Digital time base corrector for reproducing video signals Feb. 25, 1997
5598274 Image signal recording and reproducing system Jan. 28, 1997
5598273 Recording control device and method utilizing a test signal having multiple frequencies Jan. 28, 1997
5568276 Image signal recording and reproducing system Oct. 22, 1996
5515108 Digital automatic frequency control method and circuit therefor May. 7, 1996
5510898 Information signal recording apparatus Apr. 23, 1996
5486929 Time division multiplexed video recording and playback system Jan. 23, 1996
5475439 Image processing apparatus with chrominance processing and luminance delay Dec. 12, 1995
5416599 Magnetic video signal reproducing apparatus with correction of phase rotation May. 16, 1995
5396294 Digital chrominance signal demodulation apparatus Mar. 7, 1995
5381238 Helical scan type playback apparatus for video data recorded on magnetic tape Jan. 10, 1995
5359426 Reproducing a bandwidth expanded chroma signal with reduced noise and reduced flicker Oct. 25, 1994
5303061 Apparatus for rejecting time base error of video signal Apr. 12, 1994
5291298 Video signal processing apparatus for controlling exposure, focus, and white balance for a VTR incorporated in a video camera Mar. 1, 1994
5283660 Video signal processing apparatus having timebase corrector and means for replacing residual error data with specific data Feb. 1, 1994
5223943 Still-video signal playback apparatus with plural system demodulator and low pass filter selection and delay compensation Jun. 29, 1993
5223942 Image processing apparatus Jun. 29, 1993
5184228 Recording circuit for mirror mother tape Feb. 2, 1993
5182654 Method and apparatus for obtaining identical output signals from time base corrector unit having variable or different electrical characteristics using a video tape of known parameters Jan. 26, 1993
5159440 Time difference correction circuit for brightness and chrominance signals Oct. 27, 1992
5148290 Video signal recording/reproduction device having dropout compensation function Sep. 15, 1992
5140433 Noise reduction circuit for reducing video signal noise by mixing current and previous video signal Aug. 18, 1992
5045950 Circuit for detecting and compensating for jitter produced by a recording/reproducing apparatus Sep. 3, 1991
5036406 Method and apparatus for obtaining identical output signal from nominally identical time base corrector unit having slightly different characteristics Jul. 30, 1991
5031052 Color phase correction circuit Jul. 9, 1991
5006932 Apparatus for processing a video signal Apr. 9, 1991
4970601 Video signal processing apparatus for video tape recorder Nov. 13, 1990
4930027 Method and apparatus for tape speed override operation when recovering helical audio May. 29, 1990
4864402 Video memory Sep. 5, 1989

1 2 3

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