Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Signal swap apparatus for a television receiver having an HDTV main picture signal processor and an NTSC Pix-in-Pix signal processor

Signal swap apparatus for a television receiver having an HDTV main picture signal processor and an NTSC Pix-in-Pix signal processor

US Patent 5453796 · Granted Sep 26, 1995

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and system for adding a conditional access system2014
Reduced rainbow artifacts in digital light projection systems2013
Global copy protection system for digital home networks2012
Method and apparatus for permitting unconfirmed viewing time with addressable pa2011
Watermarking of motion picture prints2011
Sequence counter for an audio visual stream2009
Key transport tamper protection2008
Theater identification system utilizing identifiers projected through a screen2008
System and method of verifying authorization for communicating protected content2008
Method and apparatus for controlling the distribution of digitally encoded data 2008
System and method for adaptive marking and coding of film prints2007
Anti-piracy coding of motion pictures2007