Patent ReferencesMethod and apparatus for storing a massive inventory of labeled images Video jukebox Video disk apparatus providing organized picture playback Inserting television advertising spots automatically Method and apparatus for recovering information from a videodisc Information retrieval system and method using independent user stations Multiple input/output video switch for commerical insertion system Synchronizing circuit for a video disc playback device Apparatus and method for synchronizing videodisc images with audio signals Patent #: 4951155 InventorAssigneeApplicationNo. 426777 filed on 10/26/1989US Classes:386/106, Disc725/32, PROGRAM, MESSAGE, OR COMMERCIAL INSERTION OR SUBSTITUTION725/36Insertion of local commercial or local program at headend or network affiliateExaminersPrimary: Richardson, Robert L.Attorney, Agent or FirmInternational ClassH04N 005/76AbstractAn ad insertion system and method transmit spot messages during intervals in a broadcast transmission and provide immediate access to stored spot messages, in any sequential order, with a single video source. Custom spot messages can be created by superimposing graphics over selected video signals and simultaneously transmitting those signals with appropriate audio signals.Other References
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