LandOfFree - US Patents - Listing for Telecommunications

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Accurate calculation of the probability of outage for the CDMA r

Telecommunications – Transmitter – Amplitude modulation

Accurate gain direct modulation (KMOD) using a dual-loop PLL

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

Accurate GPS time estimate based on information from a...

Telecommunications – Radiotelephone system – Auxiliary data signaling

Acknowledging missed messages broadcast on a control channel

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

Acoustic echo elimination in a digital mobile communications sys

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

Acoustic echo reduction circuit for a...

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

Acoustic echo reduction in mobile terminals

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

Acoustic guide for audio transducers

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

Acoustic pipe for flip style cellular telephone

Telecommunications – Transmitter and receiver at separate stations – With control signal

Acoustic signal transmitting system

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Acoustic testing system and method for communications devices

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

Acousto-optic multiplexing and demultiplexing

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

Acousto-optic R-F receiver which is tunable and has adjustable b

Telecommunications – Radiotelephone system – Security or fraud prevention

Acquiring service authorization status from a mobile vehicle

Telecommunications – Wireless distribution system – Two-way

Acquisition and tracking in communication system with...

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

Acquisition delay circuit for a PLL reference oscillator

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

Acquisition mechanism for a mobile satellite system

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Acquisition of mobile station power source capacity levels...

Telecommunications – Radiotelephone system – Special service

Activating an interactive multimedia terminal