LandOfFree - US Patents - Listing for Telephonic communications,Subscriber line or transmission line interface

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit

Directional receiver coupling arrangement with frequency...

Telephonic communications – Subscriber line or transmission line interface

Discharging envelope detector

Telephonic communications – Subscriber line or transmission line interface – Power supply

Distribution of current draw in a line powered DAA

Telephonic communications – Subscriber line or transmission line interface – Network interface device

DOCSIS network interface device and methods and systems for...

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Double echo cancelling system

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Double talk and echo path change detection in a telephony system

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Double talk detection and echo control circuit

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Double talk detector for echo canceller and method

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Double talk detector, method for double talk detection and...

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit

Downlink activity and double talk probability detector and...

Telephonic communications – Subscriber line or transmission line interface

Drive circuit

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit

Driver circuit and method for driving a signal

Telephonic communications – Subscriber line or transmission line interface

Driver circuit for subscriber terminals

Telephonic communications – Subscriber line or transmission line interface

Driving stage for driving differential amplifiers of a subscribe

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit

DSL line interface having low-pass filter characteristic...

Telephonic communications – Subscriber line or transmission line interface

DSL line tester

Telephonic communications – Subscriber line or transmission line interface – Protective circuit

DSL protector having a detachable wire interface

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit

DSP based SLIC architecture with current-sensing voltage...

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit

Dual impedance hybrid