Computer-TV video converting apparatus

Details Computer-TV video converting apparatus Computer-TV video converting apparatus

1997-08-11

2000-10-24

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345169, G09G 500

Patent

active

061374695

ABSTRACT:
A computer-TV, video converting apparatus which transfers any determined partial area of a computer display into a zoomed image displayed onto a large scale TV, screen used for a briefing or a seminar in addition to a preformed partial area converting function, comprising a main converter with a build-in remote signal receiver, a computer cursor coordinate convening device and a remote controller while the remote controller provides the infrared or radio signal to the remote signal receiver by operating the mouse function keys of the remote controller to move the cursor to a center of a determined partial area of the computer display. The computer cursor coordinate converting device converts the absolute coordinate of the cursor center into a relative coordinates and sent the relative coordinate data to the main converter, a microprocessor and a display controller of the main converter then converts the expected zoom area into a video signal to the TV, screen to provide a zoomed image thereon.

REFERENCES:
patent: 4506300 (1985-03-01), Fearnside
patent: 5302968 (1994-04-01), Heberle
patent: 5721565 (1998-02-01), Nguyen

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