Portable radio apparatus

Details Portable radio apparatus Portable radio apparatus

1997-01-28

1999-11-30

Cangialosi, Salvatore

Telecommunications

Transmitter and receiver at same station

Having particular housing or support of a transceiver

455351, H01Q 124

Patent

active

059958090

ABSTRACT:
A portable radio apparatus has a housing containing electronic circuits, a pair of antennas which are each retractable, and a gear mechanism which links the antennas through a predetermined number of gear wheels so that an extending and retracting action of one antenna is transmitted to the other antenna. The gear mechanism includes a pair of racks provided on the antennas, respectively, and a gear assembly including the predetermined number of gear wheels which are meshed in series, both end gear wheels of the gear assembly engaging with the racks, respectively.

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patent: 5630211 (1997-05-01), Nagai
patent: 5640689 (1997-06-01), Rossi
patent: 5714958 (1998-02-01), Rudisill
patent: 5918189 (1999-06-01), Nishiyama

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