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

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

Remote controlled tone generator system

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

Remote disconnection and short-circuiting apparatus and method

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

Remote isolation test apparatus

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

Remote line test facility

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

Remote maintenance method and device thereof in private branch e

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

Remote measurement unit containing integrated line measurement a

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

Remote monitoring apparatus

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

Remote telephony testing device

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

Remote test call unit and service

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

Remote test telephone line access system

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

Remote testing of a communications line

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

Remote testing of a trunk leading to an automatic call distribut

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

Remote testing of metallic loops with a trans hybrid signal

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

Remote testing system for electrical circuits

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Including fault responsive disconnection of tested component

Remote unit monitoring system

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

Remotely actuated splittler bypass system and method

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Including fault responsive disconnection of tested component

Remotely actuated switch and protection circuit

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

Remotely addressable maintenance unit

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Including fault responsive disconnection of tested component

Remotely connectable maintenance termination unit