Video-sync locked horizontal size regulation in projection light

Details Video-sync locked horizontal size regulation in projection light Video-sync locked horizontal size regulation in projection light

1990-12-18

1992-08-25

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358231, H04N 574

Patent

active

051423669

ABSTRACT:
The horizontal size of the raster in a light valve projection system is determined by the ratio by which a RF carrier is divided, wherein the frequency of the RF carrier is locked to a synchronization signal derived from the horizontal synchronization pulses of an externally-supplied video signal to be displayed.

REFERENCES:
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patent: 4672449 (1987-06-01), Kraus et al.
patent: 4763194 (1988-08-01), Osman
patent: 4864405 (1989-09-01), Chambers
patent: 4958227 (1990-09-01), Wan
patent: 4958228 (1990-09-01), Kutsuki et al.
patent: 5008659 (1991-04-01), Hovens
patent: 5043813 (1991-08-01), Christopher

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