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

Remotely controlled communication line diagnostic apparatus and

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

Remotely controlled multiple pair telephone pedestal/building te

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

Remotely operable telecommunications conductor test circuit...

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

Removable telephone line protection module for an electronic dev

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

Repeater apparatus having isolation circuit

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

Repetitive call control method, switch using the method, and...

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

Retrofit subscriber loop carrier system with improved performanc

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

Ring, tip, ground testing tool

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

Ringing interface card for telephone test equipment

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

Ringing SLIC fault handling

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

Scalable call processing node

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

Self calibration arrangement for a voice switched speakerphone

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

Self diagnostic system for cellular-transceiver systems with rem

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

Self-contained apparatus and method of monitoring telecommunicat

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

Self-diagnosis of loop start and ground start trunk interfaces

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

Self-diagnostic system for cellular-transceiver systems with rem

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

Self-monitoring line interface circuit

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

Service and information management system for a telecommunicatio

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

Service control platform