Digital distortion-correcting circuit for projection a flat imag

Details Digital distortion-correcting circuit for projection a flat imag Digital distortion-correcting circuit for projection a flat imag

1985-04-01

1987-04-07

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 74, 434 40, H04N 574

Patent

active

046565213

ABSTRACT:
A simulator projected-image system includes a distortion-correcting circuit to modify flat-image data that is stored sequentially in a Random Access Memory by connecting a source of random address to obtain selected video data from the memory in a predetermined order and a circuit to combine the selected video data to form an image that is substantially free from distortion when projected on a curved screen.

REFERENCES:
patent: 3757040 (1973-09-01), Bennett
patent: 4571631 (1986-02-01), Breglia
patent: 4599645 (1986-07-01), Brown

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