Robert A Best

US Patent:

48558273, Aug 8, 1989

Filed:

Jul 21, 1987

Appl. No.:

7/076036

Inventors:

Robert J. Best - San Jose CA

Assignee:

Worlds of Wonder, Inc. - Fremon CA

International Classification:

H01N 704

US Classification:

358143

Abstract:

A method and apparatus for imbedding digital data and multiple audio (analog) track information in a video signal in a manner compatible with ordinary broadcast TV and transparent to a conventional television receiver is disclosed. The method and apparatus may provide multiple independent audio tracks and a substantial level of interaction with a viewer utilizing special reception equipment, which equipment may be utilized to provide a fully interactive system from signal sources not required to be compatible with convention receivers. The method and apparatus includes the ability of imbedding both analog and digital signals in a video signal, and while advantageous for interactive TV systems, may be used for a multitude of purposes in various video systems.

US Patent:

48397431, Jun 13, 1989

Filed:

Sep 21, 1987

Appl. No.:

7/098784

Inventors:

Robert J. Best - San Jose CA
David H. Claybaugh - San Jose CA

Assignee:

Worlds of Wonder, Inc. - Fremont CA

International Classification:

H04N 576

US Classification:

358310

Abstract:

An interactive video controller 10 for selecting between two or more tracks of video data responsive to the input of a player and for displaying the selected video track. The interactive video controller 10 displays and stores the selected track and then displays the stored track in place of the non-selected track.