LandOfFree - US Patents - Listing for Telecommunications

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

Active prevention of radio frequency emissions from a mobile...

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

Active quadrature radio frequency power detector

Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion

Active radio frequency mixer circuit with feedback

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

Active receiving array antenna

Telecommunications – Carrier wave repeater or relay system – Directive antenna

Active repeater for a transmission system

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

Active resistance summer for a transformer hybrid

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

Active resistive summer for a transformer hybrid

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

Active resistive summer for a transformer hybrid

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

Active resistive summer for a transformer hybrid

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

Active resistive summer for a transformer hybrid

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

Active star centered fiber optic local area network

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

Active step attenuator

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

Active subscriber information module

Telecommunications – Audience survey or program distribution use accounting

Active system and method for detecting harmonics of RF...

Telecommunications – Audience survey or program distribution use accounting

Active system and method for remotely identifying RF broadcast s

Telecommunications – Transmitter and receiver at same station – With tuning

Active tag having one diode for modulation and demodulation

Telecommunications – Transmitter and receiver at separate stations – Short range rf communication

Active transmitter ringdown for switching power amplifier

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit

Active tunable filter circuit

Telecommunications – Radiotelephone system – Security or fraud prevention

Active waveform collection for use in transmitter identification