LandOfFree - US Patents - Listing for Telephonic communications,Diagnostic testing, malfunction indication, or electrical...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Monitoring

Interface for trouble report input system and trouble report...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Interface scanning circuit

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Interlock circuit for preventing corruption of telephone line si

Telephonic communications – Diagnostic testing – malfunction indication – or electrical...

Internet based remote diagnostic system

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Interswitch telephone status monitoring

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Using portable test set

Jack and test plug

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Using portable test set

Keypad/dialler interface for telephone test set

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Lifeline telephony provision for voice over digital...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Line break detection device and modem comprising such a device

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – With blocking of normal usage

Line current test device

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of hybrid or echo suppressor or canceller

Line disconnection detection circuit for echo-cancelling transce

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of hybrid or echo suppressor or canceller

Line impedance matching using dynamically generated transfer...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical...

Line loss tester

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Line performance test system

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Line probe signal and method of use

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of data transmission

Line qualification with neural networks

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of network terminating interface – subscriber trunk...

Line sharing multipoint pots splitter controllable line...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – For detection of eavesdropping device

Line sharing multipoint POTS splitter masking noise

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Line sharing multipoint POTS splitter with intelligent...