4. Telecommunications
  5. Radiotelephone system
  6. Zoned or cellular telephone system

Jari Hulkkonen

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Antenna down-tilting

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

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Method for dividing traffic in a cellular radio network

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

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Modified dual symbol rate for uplink mobile communications

Multiplex communications – Communication over free space – Combining or distributing information via frequency channels
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2656871

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