Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system

Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system

US Patent 4866770 · Granted Sep 12, 1989

Estimated economic value: $1,247,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pass-structured game platform2015
Crosspoint switch for use in video and other applications2014
Composite color frame identifier system and method2008
Video signal format detector and generator system and method2005
Method and apparatus for video watermarking2003
Method and apparatus for video watermarking2003
Encryption and decryption (scrambling and unscrambling) of video signals1996
System and method for transmitting a plurality of digital services1995
Methods and apparatus for generating a picture-in-picture digital television fra1994
Data return for a television transmission system1993
Method for selecting reproduction quality of transmitted vector quantized data1993
Motion filter for digital television system1993