Digital broadcasting receiver capable of changing the ratio...

Details Digital broadcasting receiver capable of changing the ratio... Digital broadcasting receiver capable of changing the ratio...

2003-05-08

2009-11-17

Nguyen-Ba, Hoang-Vu A (Department: 2421)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S047000, C715S700000, C715S800000, C345S660000

Reexamination Certificate

active

07620966

ABSTRACT:
Both a received program video and an electronic program guide can be simultaneously displayed in one screen of a monitor by a scaler/OSD circuit, and a user can change the ratio of the display areas of the program video and the electronic program guide to a desired ratio by operating a remote control transmitter. A CPU controls a tuner and a demultiplexer in synchronization with the change in the ratio of the display areas of the program video and the electronic program guide, to select a target channel of acquisition of program information for producing the electronic program guide.

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