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

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

Apparatus and method for a wide band spectral balance...

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... – Using portable test set

Apparatus and method for performing and controlling testing of e

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

Apparatus for communicating a diagnostic device with a...

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

Apparatus for telephone line checking

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

Apparatus for testing an asymmetric digital subscriber line

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

Apparatus for testing telephone cables

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

Automated telephone line test apparatus with intelligent...

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

Automated telephone line test apparatus with intelligent...

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

Automated trouble-shooting mechanism resident in craftsperson's

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

Automatic polling of direct access test unit to obtain usage dat

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

Battery charging and signalling interconnect arrangement for cra

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

Battery injection and loop supervision for DSL environment

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

Call yourself BERT testing of ISDN line

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

Call yourself BERT testing of ISDN line

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

Cellular-system signal-strength analyzer

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

Clamp device integrating test device for telephone and...

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

Compact telephone line test apparatus

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

Continuity test set with voice communication