Interactive monitor trouble-shooting device

Details Interactive monitor trouble-shooting device Interactive monitor trouble-shooting device

1996-10-02

1999-09-21

Mengistu, Amare

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

345117, 348177, G09G 500

Patent

active

059560223

ABSTRACT:
An interactive monitor trouble-shooting device includes a micro-processor based control unit which detects the horizontal synchronization signal and the vertical synchronization signal from the video card of a computer. If no such signals are detected, the control unit displays a series of trouble-shooting steps to be followed by the monitor user for fixing the problem of receiving no such synchronization signals. The trouble-shooting steps may also be displayed in such a manner to test the color display function of the monitor, wherein the monitor screen is divided into at least three sections or areas, each having a background color of one of the three elementary colors. The control unit also allows the monitor to enter a power saving mode when such synchronization signals are cut off during normal operation of the monitor.

REFERENCES:
patent: 4541066 (1985-09-01), Lewandowski
patent: 5467470 (1995-11-01), Ninomiya
patent: 5481299 (1996-01-01), Coffey et al.
patent: 5491794 (1996-02-01), Wu
patent: 5648799 (1997-07-01), Kikinis
patent: 5675364 (1997-10-01), Stedman et al.
patent: 5687313 (1997-11-01), Hirosawa et al.
patent: 5696978 (1997-12-01), Nishikawa
patent: 5757366 (1998-05-01), Suzuki

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