Pixel image enhancer

Details Pixel image enhancer Pixel image enhancer

1990-04-30

1991-10-08

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 39, 358182, 340729, 382 22, H04N 974

Patent

active

050559184

ABSTRACT:
A simple hardware module for insertion between a source of video signals such as a graphics computer or a VCR, and a video display device such as a TV monitor, for applying a shading effect to two-dimensional graphics for the purpose of simulating a depth of field around the resulting video image.

REFERENCES:
patent: T912012 (1973-07-01), Appel
patent: 3441789 (1969-04-01), Harrison
patent: 3989888 (1976-11-01), Busch
patent: 4041527 (1977-08-01), Rayner
patent: 4186393 (1980-01-01), Leventer
patent: 4410908 (1983-10-01), Belmares-Sarabia
patent: 4538144 (1985-08-01), Yamagami
patent: 4590465 (1986-05-01), Fuchs
patent: 4698666 (1987-10-01), Lake, Jr.
patent: 4727364 (1988-02-01), Vorst
patent: 4847607 (1989-07-01), Schoon
patent: 4853970 (1989-08-01), Ott
AutoDesk brochure, AutoShade program description, 1989.

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