SuperGuide Corp. v. DirectTV Enterprises Inc.

Case Number: CLB0043

Date: 02.12.2004

Citation: 69 U.S.P.Q.2d 1865 (Fed. Cir. 2004)

Term “regularly received television signal,” in claim of patent directed to searchable electronic television program guide in which “mixer” combines received television signal and signal generated by microcontroller, does not exclude digital technology from claim’s coverage, even though televisions existing in 1985, when application was filed, could not receive digital signals, since claim language does not specify particular type of signal format, and existence of digital video data was know in art.

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