Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Echo cancelling device with phase-roll correction

Echo cancelling device with phase-roll correction

US Patent 4887258 · Granted Dec 12, 1989

Estimated economic value: $17,245,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Digital filter sampling rate conversion method and device1992
Digital filter sampling rate conversion method and device1992
Adaptive loop gain phase filter1991
Process of synchronizing a receiving modem after a training on data1991
Modem having a software-adapted modulation rate1991
Modem having a software-adapted modulation rate1991
Switching device for connecting a data transmission system to the telephone swit1990
Echo cancelling device for data transmission over two-wire lines1989
Echo cancelling device for data transmission over two-wire lines1989
Echo cancelling device for data transmission over two-wire lines1989
Echo cancelling device for data transmission over two-wire lines1989
Method and system for controlling a network of modems1988