Interactive video distribution systems – Operator interface – To facilitate tuning or selection of video signal
Reexamination Certificate
2006-07-25
2006-07-25
Vo, Tung (Department: 2613)
Interactive video distribution systems
Operator interface
To facilitate tuning or selection of video signal
Reexamination Certificate
active
07082612
ABSTRACT:
A transmission apparatus for video information is disclosed. The apparatus has an input part for inputting video; a level information generation part for generating level information of each pixel on a screen; a memory part for storing the level information of each pixel in the entire region of the screen; a region extraction part for extracting a changed region which is a region on the screen including pixels related to the video information; an update region level information generation part for generating level information of each pixel in the changed region; a compression part for compressing the information amount of level information of each pixel in the changed region; and a communication part for transmitting position information of the changed region and the compressed level information.
REFERENCES:
patent: 5448656 (1995-09-01), Tanaka
patent: 6333948 (2001-12-01), Kurobe et al.
patent: 6389073 (2002-05-01), Kurobe et al.
Masuno Takashi
Okamoto Kazuo
Akin Gump Strauss Hauer & Feld & LLP
Matsushita Electric - Industrial Co., Ltd.
Vo Tung
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