Multi-standard vectorscope

Details Multi-standard vectorscope Multi-standard vectorscope

1989-03-22

1989-10-17

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 11, H04N 1702, H04N 1120

Patent

active

048750891

ABSTRACT:
A multistandard vectorscope providing vector displays of two or more composite video standards in a single vectorscope. The present invention utilizes a DC controlled phase shifter and a demodulator that are not frequency sensitive along with a switchable oscillator for switching between multiple video standards.

REFERENCES:
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patent: 4792845 (1988-12-01), Judge
Merlin, Snell, and Wilcox publication of MVW 200 and MSD 140 Multiscopes, Sep. 1988.
Tekronix 650 Series Picture Monitor, 1970.

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