Portable mobile radio transceiver

Telecommunications – Transmitter and receiver at same station – With a common signal processing stage

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Details

455 90, 343702, 343882, H04B 138, H01Q 124

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active

056132247

ABSTRACT:
A portable mobile radio transceiver for direct communication with a radio relay on a satellite comprises a casing with a microphone and an earpiece and an antenna mounted on the casing. The main direction of radiation of the antenna is substantially vertical when the casing is in a position of use in which it is held in the hand near the head of the user.

REFERENCES:
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patent: 5218370 (1993-06-01), Blaese
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patent: 5394561 (1995-02-01), Freeburg
patent: 5513383 (1996-04-01), Tsao
patent: 5523766 (1996-06-01), Erceg
Base And Mobile Station Antennas For Land Mobile Radio Systems. Yamada et al. "Transactions of the Institute of Electronics. Information and Communication Engineers of Japan", vol. E73, No. 6, Jun. 1991, pp. 1547-1555.
Estabrook et al, "A 20/30 GHz Personal Access Satellite System Design", IEEE International Conference On Communications, Jun. 11-14, 1989, vol. 1, pp. 216-220.

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