Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Synthesized telephone line ring signal impedance termination

Synthesized telephone line ring signal impedance termination

US Patent 6654461 · Granted Nov 25, 2003

Estimated economic value: $5,575,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Power distribution unit for autonomous vehicles2025
Systems and methods for alerting users to device low battery states2021
Battery module architecture with horizontal and vertical expandability2018
Methods and systems for determining conversation quality2017
Battery module architecture with horizontal and vertical expandability2016
System for, and method of, configuring electro-optical reader as a keyboard devi2015
Arrangement for and method of managing a soft keyboard on a mobile terminal conn2014
Method to differentiate aiming from active decoding2013
Attenuation and termination circuit using impedance synthesis2013
Attenuation and termination circuit using impedance synthesis2013
Low voltage electrolysis of water2013
Attenuation and termination circuit using impedance synthesis2010