4. Telecommunications
  5. Transmitter and receiver at same station
  6. Radiotelephone equipment detail

Julian Bartow Willingham

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Base station hand-off mechanism for cellular communication...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Base station hand-off mechanism for cellular communication...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Geolocation of cellular phone using supervisory audio tone...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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Geolocation of cellular phone using supervisory audio tone...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate

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High capacity broadband cellular/PCS base station using a...

Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2015283

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