LandOfFree - US Patents - Listing for Telecommunications

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

Image-rejection I/Q demodulators

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

Image-rejection I/Q demodulators

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

Image-rejection mixer having high linearity and high gain

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

Image-rejection mixers having high linearity and high gain...

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

Image-rejection receiver

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Imaging apparatus

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

Imaging device

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

Imaging device

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

Imaging device

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

Imaging device

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

IMF cover for a portable electronic device

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

Immediate channel assignment in a wireless system

Telecommunications – Radiotelephone system – Out-of-range indication

Imminent change warning

Telecommunications – Radiotelephone system – Out-of-range indication

Imminent change warning

Telecommunications – Radiotelephone system – Out-of-range indication

Imminent change warning

Telecommunications – Transmitter – With variation of antenna impedance or dimension for modulation

Impedance control apparatus and method for portable mobile...

Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention

Impedance matched lane reversal switching system

Telecommunications – Transmitter – With variation of antenna impedance or dimension for modulation

Impedance matching circuit in transmitter circuit and control me

Telecommunications – Transmitter – Power control – power supply – or bias voltage supply

Impedance matching for a dual band power amplifier