LandOfFree - US Patents - Listing for Telephonic communications

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

Ground key detector for a SLIC

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection

Ground start and tip ground detection without the use of -48V or

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

Ground start circuit

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

Ground-to-air telephone calling system and related method

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

Ground-to-air telephone calling system and related method for di

Telephonic communications – Terminal

Grounding configuration for telecommununications equipment

Telephonic communications – Audio message storage – retrieval – or synthesis – Message management

Group audio message board

Telephonic communications – Emergency or alarm communications – Central station with plural substations

Group emergency call system

Telephonic communications – Centralized switching system – Call distribution to operator

Group exchange port (GXP)

Telephonic communications – Special services – Conferencing

Group information management

Telephonic communications – Audio message storage – retrieval – or synthesis – Message management

Group message delivery system

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

Group notification service and system

Telephonic communications – Centralized switching system – Call distribution to operator

Guest services management service

Telephonic communications – Audio message storage – retrieval – or synthesis

Guestroom telephone having single action message retrieval

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation

Guidance information notification apparatus in communication...

Telephonic communications – Emergency or alarm communications – Responsive to sensed nonsystem condition

Gun safe