Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Digital signalling receiver for receiving PCM tones

Digital signalling receiver for receiving PCM tones

US Patent 4203008 · Granted May 13, 1980

Estimated economic value: $2,835,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Connecting a high number of users with a reduced number of optical fibers2019
Call set-up and spectrum sharing in radio communication on systems with dynamic 1996
Call set-up and spectrum sharing in radio communication on systems with dynamic 1994
Detection of tones in sampled signals1982