Emulation device for driving a LCD with a CRT display

Details Emulation device for driving a LCD with a CRT display Emulation device for driving a LCD with a CRT display

1988-06-30

1989-08-22

Williams, Jr., Archie E.

Boots, shoes, and leggings

360 361, 360 371, G06F 314, G06F 506

Patent

active

048602469

ABSTRACT:
An asynchroonous interface device changes the serial data format of the video signal output of a computer intended for display on a cathode ray tube (CRT), to a video signal having parallel data format for a liquid crystal display (LCD). The device includes a read/write control circuit which responds to a clock signal corresponding to the synchronizing signal of the serial signal and to an asynchronous clock signal. Data signals which were removed from the serial signal and temporarily stored in memory are read out as parallel data signals at the next read cycle when read address counter is counted.

REFERENCES:
patent: 4208713 (1980-06-01), Berg
patent: 4303986 (1981-12-01), Lans
patent: 4417318 (1983-11-01), Hirahata et al.
patent: 4438326 (1984-03-01), Uchida
Examiner's Search Report-Great Britain, p. 1.

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