04021841 is referenced by 43 patents and cites 1 patents.

In a video synthesizer for generating programmable graphics, moving elements and the like, a subsystem for generating a video signal wherein a predetermined generated function is displayed in a selected manner as a function of a predetermined video signal. The video control signal, which suitably represents a graphic character or characters, and may be stationary or moving, is used for starting and stopping a function generator whereby a composite video signal is obtained. The video signal may be further processed by level assignment and color selection to produce the desired color video signal.

Title
Color video synthesizer with improved image control means
Application Number
5/645633
Publication Number
4021841
Application Date
December 31, 1975
Publication Date
May 3, 1977
Inventor
Ralph Weinger
7819 Deer Run Road, Laverock, Montgomery County, 19118
PA, US
Agent
Woodcock Washburn Kurtz & Mackiewicz
IPC
H04N 5/22
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