LandOfFree - US Patents - Listing for Telecommunications

Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation

Wireless telephone intermodulation performance enhancement techn

Telecommunications – Radiotelephone system – Special service

Wireless telephone menu system

Telecommunications – Transmitter and receiver at separate stations

Wireless telephone ring detection method for extended battery li

Telecommunications – Carrier wave repeater or relay system – Two separate way transmission

Wireless telephone server system

Telecommunications – Radiotelephone system – Including private cordless extension system

Wireless telephone system

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Wireless telephone system and operation method therefor

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Wireless telephone system for accessing multiple stations...

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers

Wireless telephone system having a free period allocated to swit

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency

Wireless telephone system with combination filter/oscillator cir

Telecommunications – Radiotelephone system – Usage measurement

Wireless telephone system with discardable keyless instruments

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Wireless telephone system with information service

Telecommunications – Radiotelephone system – Usage measurement

Wireless telephone system with mobile instruments for...

Telecommunications – Radiotelephone system – Usage measurement

Wireless telephone system with mobile instruments for...

Telecommunications – Radiotelephone system – Special service

Wireless telephone system with programming and information...

Telecommunications – Radiotelephone system – Security or fraud prevention

Wireless telephone system, telephone and method

Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part

Wireless telephone testing using an echo plug

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers

Wireless telephone that rapidly reacquires a timing...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Wireless telephone with adaptive microphone array

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Wireless telephone with an ergonomic grip or handle