Television – Synchronization – Locking of video or audio to reference timebase
Reexamination Certificate
2004-02-18
2008-10-14
Lee, M. (Department: 2622)
Television
Synchronization
Locking of video or audio to reference timebase
C348S536000
Reexamination Certificate
active
07436456
ABSTRACT:
A video system comprises a first video device which transmits a video signal comprising image information and synchronisation information and a second video device which receives the composite video signal. The second device has a time base. For synchronising the two devices synchronisation information is extracted from the video signal received by the second Video device and from the time base of the second video device; a phase difference between the video signal received by the second video device and the time base of the second video device is determined based on the extracted synchronisation information; control information of a first type representative of the amount of the phase difference is transmitted to the first device; and in the first device the phase of the video signal is switched by a phase angle represented by the first type control information.
REFERENCES:
patent: 3435141 (1969-03-01), Hileman et al.
patent: 5303050 (1994-04-01), Nishimura et al.
patent: 5523852 (1996-06-01), Sowerby et al.
patent: 5990967 (1999-11-01), Kawakami et al.
patent: 2002/0093590 (2002-07-01), Hodgkiss et al.
patent: 40 30 148 (1992-03-01), None
patent: 0 516 378 (1992-12-01), None
patent: 0516378 (1997-01-01), None
patent: 2001119607 (2001-04-01), None
patent: 090037141 (2004-09-01), None
Search Report.
European Search Report dated Jun. 29, 2005.
Bellanger Didier
Malnoe Pascal
Morel Philippe
Laks Joseph J.
Lee M.
Shedd Robert D.
Thomson Licensing
LandOfFree
Video device and method for synchronising time bases of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Video device and method for synchronising time bases of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Video device and method for synchronising time bases of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4017570