LandOfFree - US Patents - Listing for Telecommunications

Telecommunications – Radiotelephone system – Message storage or retrieval

Facilitating instant messaging outside of user-defined buddy...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Facilitating use of a device based on short-range wireless...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Facilitating user interactions based on proximity

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Facility and method for wireless transmission of location...

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

Facility-wide communication system and method

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

Facsimile communication system capable of carrying out...

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

Fade compensated tone control method and apparatus

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

Fade margin test

Telecommunications – Transmitter and receiver at separate stations

Fade recovery in digital message transmission systems

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

Fading frequency estimating apparatus

Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission

Fading simulation method and fading simulator

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

Fading simulator

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Fail-over of forward link equipment

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Fail-over of forward link equipment

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

Fail-safe optical repeater-amplifier assembly for fiber optic sy

Telecommunications – Transmitter – Measuring – testing – or monitoring of transmitter

Fail-safe signal transmitting apparatus producing a logical prod

Telecommunications – Carrier wave repeater or relay system – Failure compensation

Fail-soft architecture for public trunking system

Telecommunications – Carrier wave repeater or relay system – Monitoring

Fail-soft architecture for public trunking system

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

Failure alarm for a transmission line communications system