Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Transmission of signals through analog channels using adaptive frequency modulation

Transmission of signals through analog channels using adaptive frequency modulation

US Patent 4907087 · Granted Mar 6, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Television transmission system using spread spectrum and orthogonal frequency-di1995
Color separation scanner1994
Television transmission system using two stages of spead-spectrum processing1994
Methods of noise-reduced and bandwidth-reduced television transmission1994
Color correction system employing reference pictures1993
Spread spectrum television transmission1992
Reliable television transmission through analog channels1991
Definition television systems1991
Receiver-compatible enhanced definition television system1991
High definition television system1990
Color reproduction system1985
Image coding1981