Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for telephone line interlock and cellular interconnect

Method for telephone line interlock and cellular interconnect

US Patent 6198944 · Granted Mar 6, 2001

Estimated economic value: $22,775,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Radio frequency bitstream generator and combiner providing image rejection2017
High-voltage voltage-switched class-S amplifier2016
Cascaded viterbi bitstream generator2016
Radio frequency composite Class-S power amplifier having discrete power control2016
Single-sideband transmitter using class-S amplifier2016
Switching power amplifier system for multi-path signal interleaving2015
Low inductance flex bond with low thermal resistance2015
Method and apparatus for high density pulse density modulation2015
Low-distortion class S power amplifier with constant-impedance bandpass filter2015
Interleaved multipath digital power amplification2015
Half-duplex speakerphone echo canceler2014
Hybrid digital/analog power amplifier2014