LandOfFree - US Patents - Listing for Telephonic communications

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

Wide band communication system transmitting video and audio sign

Telephonic communications – Supervisory or control line signaling – Substation originated

Wide keypad and wide keypad mounting structure for...

Telephonic communications – Repeater – Having line length compensation or equalization

Wide range equalizer with line length detection

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

Wide-area-network trunked radio system which controls the signal

Telephonic communications – Subscriber line or transmission line interface – For line length compensation

Wide-band high voltage amplifier for telephone exchange subscrib

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

Wideband switching system

Telephonic communications – Subscriber line or transmission line interface

Wideband telephone line interface circuit

Telephonic communications – Subscriber line or transmission line interface – Power supply

Wire bound telecommunications device and a power supply circuit

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

Wire tap detection device

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – For detection of eavesdropping device

Wire tap detection device with passive testing

Telephonic communications – Centralized switching system – Structure of equipment

Wire terminal panel for building cable system

Telephonic communications – Supervisory or control line signaling – Signal receiver

Wire-bound telecommunication device and a circuit for use in...

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including infra-red link with landline telephone network

Wire/wireless communication system for communicating between two

Telephonic communications – Terminal accessory or auxiliary equipment – Attachable to terminal housing

Wired seat back aircraft telephone set

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

Wired transmission line testing method

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

Wireless - wireline communication selection mechanism resident i

Telephonic communications – Terminal – Housing or housing component

Wireless base station-having cooling passages

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

Wireless butt set

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

Wireless caller information processing system