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

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

Apparatus and method for incoming call detection and alarm circu

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

Apparatus and method for incoming call detection and alarm circu

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

Apparatus and method for line pair testing and fault diagnostics

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system

Apparatus and method for managing a software system via...

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

Apparatus and method for monitoring full duplex data communicati

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

Apparatus and method for monitoring performance of an...

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

Apparatus and method for multiplexing communication signals

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

Apparatus and method for performing and controlling testing of e

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

Apparatus and method for qualifying telephones and other attache

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

Apparatus and method for remotely determining the presence of un

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

Apparatus and method for selecting a supported signal path...

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

Apparatus and method for testing a telephone circuit protector

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

Apparatus and method for testing digital communications circuits

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

Apparatus and method for testing subscriber line

Utility Patent

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

Apparatus and method for testing subscriber lines and equipment

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

Apparatus and method for testing subscriber loop interface...

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

Apparatus and method for testing subscriber loop interface...

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

Apparatus and method for troubleshooting internet protocol telep

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

Apparatus for communicating a diagnostic device with a...