Simultaneous display of two unrelated signals

Details Simultaneous display of two unrelated signals Simultaneous display of two unrelated signals

1988-11-22

1991-08-06

Baker, Stephen M.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Cathode ray

358 10, G01R 1328, H04N 1702

Patent

active

050380982

ABSTRACT:
A device for simultaneously displaying unrelated signals processes the signals separately prior to inputting them to a multiplexer. Under control of a microprocessor the multiplexer. Under control of a microprocessor the multiplexer switches between the processed signals to alternately pass the signals to the deflection circuits of an X-X display device at a rate which does not interfere with other frequencies used in the environment where the device is used.

REFERENCES:
patent: 3614304 (1971-10-01), Schonfelder
patent: 3938003 (1976-02-01), Shimizu
patent: 4249171 (1981-02-01), Batcher
patent: 4399462 (1983-08-01), Balopole et al.
patent: 4567405 (1986-01-01), Bristol
patent: 4635094 (1987-01-01), Thong
SMPTE Journal, Lang et al., "Testing Color Reproduction by Means of a Programmable Color Bar Generator"; vol. 87, Sep. 1978; 579-82.
Pogson, I., "Oscilloscope Smith"; Electronics Australia, Feb. 1981, vol. 43, No. 2; pp. 40-44.
Morgan, J., "4-Trace Converter for Oscilloscopes", Popular Electronics, Jul. 1982; pp. 57-60.

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