Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Complex signal generation and transmission

Complex signal generation and transmission

US Patent 4218587 · Granted Aug 19, 1980

Estimated economic value: $5,456,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Switch proxy for providing emergency stand-alone service in remote access system2011
Codec supporting PCM modem communications over a universal digital loop carrier2000
Codec supporting PCM modem communications over a universal digital loop carrier2000
Distributed digital loop carriers system using coaxial cable1998
CATV telephony system using subsplit band for both directions of transmission1996
Speech detector circuit for a TASI system1982
Speech detector circuit with associated gain control for a tasi system1982
Data detection circuit for a TASI system1982
Centralized automatic gain control circuit1981