Dual display monitor

Details Dual display monitor Dual display monitor

1986-03-17

1987-06-30

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

324 88, 358 88, 358 92, H04N 500, H04N 1300

Patent

active

046774815

ABSTRACT:
A waveform monitor for television has dual video channels displayed simultaneously side-by-side. The two channels are synchronized with each other or with an external sync signal and are input to a multiplexer prior to the display. A microprocessor controls the switching of the multiplexer according to the selection made by an operator. The first channel is displayed during the first half of the horizontal display sweep, and the second channel is displayed during the second half, the horizontal sweep encompassing two horizontal lines of video.

REFERENCES:
patent: 3074014 (1963-01-01), Ross
patent: 3525087 (1970-08-01), Herriott
patent: 3818474 (1974-06-01), Kurner
patent: 3872461 (1975-03-01), Jarosik
patent: 3876936 (1975-04-01), Lester
patent: 4222048 (1980-09-01), Johnson
patent: 4577188 (1986-03-01), Inami

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