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Assignee: Interactive Systems, Incorporated

Location: Beaverton, OR
No. of patents: 1

Number	Title	Issue Date
4807031	Interactive video method and apparatus Method and apparatus for in-band, video broadcasting of commands to interactive devices are described. Control data are encoded by subliminally modulating, prior to the remote, composite video broadcast of video program material, a selected sequence of vi...	02/21/1989