LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Line equalization or impedance matching

Bridged tap canceller

Telephonic communications – Line equalization or impedance matching

Bridged tap terminator

Telephonic communications – Subscriber line or transmission line interface

Broadband driver circuit

Telephonic communications – Special services – Service trigger

Broadband network and method for connecting information provider

Telephonic communications – Audio message storage – retrieval – or synthesis – Interaction with an external nontelephone network

Broadcasting and conferencing in a distributed environment

Telephonic communications – With usage measurement – Call charge metering or monitoring

Broadcasting of different tariff periods in a telephone system

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

Broadcasting of information through telephone switching system d

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system

Broadcasting voicemail replies

Telephonic communications – With check operated control – Coin signalling or control

Bucket type coin accumulation apparatus

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor

Buffer for connection data

Telephonic communications – Subscriber line or transmission line interface

Building entrance box with integrated flexible grounding

Telephonic communications – Terminal accessory or auxiliary equipment – With circuit connection to terminal

Building entrance telephone terminal box

Telephonic communications – Subscriber line or transmission line interface

Building entrance terminal

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy

Building intercom system

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy

Building security system

Telephonic communications – Private or single line system – Having plural stations with selective calling

Building short circuit react system

Telephonic communications – Plural exchange network or interconnection

Bulk calling using voice over IP telephony

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

Bus for a cellular telephone

Telephonic communications – Centralized switching system – Call distribution to operator

Bus interface for automatic call distributor