Apparatus for displaying an image on a screen

Details Apparatus for displaying an image on a screen Apparatus for displaying an image on a screen

1989-12-14

1992-08-18

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358206, 358235, H04N 574

Patent

active

051404273

ABSTRACT:
A display apparatus having a screen, a light beam source for generating light beams, an optical modulator for modulating the light beams in accordance with image signals to be displayed, a scanning apparatus for generating scanning beams of the modulated light beams, a projection apparatus for projecting the scanning beams on the screen, a reference beam source for generating a reference beam to be supplied to the scanning apparatus, a circuit for deriving a scanning reference beam, a circuit for generating timing signals based on the derived scanning reference beams, and a circuit for controlling timings of the image signals to be supplied to the optical modulator.

REFERENCES:
patent: 3894182 (1975-07-01), Yamamoto et al.
patent: 4024341 (1977-05-01), Takahashi
patent: 4143403 (1979-03-01), Ohnishi
patent: 4761660 (1988-08-01), Lee
patent: 4943871 (1990-07-01), Miyagawa

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