Device for changing channels in a digital television...

Details Device for changing channels in a digital television... Device for changing channels in a digital television...

2005-09-27

2005-09-27

Kostak, Victor R. (Department: 2614)

Television

Receiver circuitry

Tuning

C348S732000

Reexamination Certificate

active

06950151

ABSTRACT:
A device for changing channels in a digital TV reception system including an image display unit is presented. A communication link is connected to a memory unit that has two-way coupling with the channel selector of the image display unit. The memory unit is arranged to continuously store in the respective shift register of the memory unit a sequence of information, corresponding to at least one complete digital basic image and modifications between it and a next basic image, from several TV channels. A basic image pointer is associated with each shift unit of the memory unit, the basic image pointer continuously specifying a position of the basic image in the shift register associated with each shift unit, such that the selected TV channel after decompression is accessible for display on the screen by means of a control unit through the channel selector and the memory unit.

REFERENCES:
patent: 6118498 (2000-09-01), Reitmeier
patent: 6334217 (2001-12-01), Kim
patent: 6369861 (2002-04-01), Lownes
patent: 6714264 (2004-03-01), Kempisty
patent: 0 660 603 (1995-06-01), None
patent: 0 715 456 (1996-06-01), None
patent: 10-190617 (1998-07-01), None
patent: 10-294932 (1998-11-01), None
International Search Report for PCT/SE00/00966, dated Jun. 22, 2000.

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