LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Terminal – Housing or housing component

Wrist-mounted telephone device

Telephonic communications – Terminal – Housing or housing component

Wrist-worn cellular phone device having multi-sectioned keypad

Telephonic communications – Terminal – Housing or housing component

Wristwatch type wireless telephone

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

WWW-telephony integration

Telephonic communications – Subscriber line or transmission line interface

xDSL class C-AB driver

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

XDSL modem and method for stabilizing XDSL operation thereof

Telephonic communications – Subscriber line or transmission line interface

xDSL multiple-point interface device

Telephonic communications – Subscriber line or transmission line interface – Network interface device

XDSL splitter assembly for main distribution frame

Telephonic communications – Subscriber line or transmission line interface

xDSL splitter interconnect module for network interface device

Telephonic communications – Subscriber line or transmission line interface – Network interface device

XDSL splitter line module for network interface device

Telephonic communications – Line equalization or impedance matching

XDSL system having selectable hybrid circuitry

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

Zero crossing detection circuit

Telephonic communications – Echo cancellation or suppression – Using digital signal processing

Zero-delay structure for sub-band echo cancellation

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

Zone registration of a mobile in a mobile telephone system

Telephonic communications – Audio message storage – retrieval – or synthesis

Zoned microcell with sector scanning for cellular telephone syst