Communications: radio wave antennas – Antennas – With radio cabinet
Patent
1993-12-30
1995-12-26
Hajec, Donald T.
Communications: radio wave antennas
Antennas
With radio cabinet
343895, 343900, H01Q 124
Patent
active
054791782
ABSTRACT:
An extendable and retractable antenna installed on a body housing of a portable radio apparatus includes a helical antenna having an antenna cap protruding from a top portion of the body housing, a helical winding disposed within the antenna cap, a rod antenna extending through the antenna cap, and a feeder disposed at a bottom portion of the helical antenna. The helical antenna is operated when the antenna is retracted. The rod antenna is insulated from the helical antenna when retracted, and passes through the helical antenna to protrude from the body housing when extended. The feeder operates the rod antenna when the rod antenna is extended and operates the helical antenna when the rod antenna is retracted.
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Bushnell Robert E.
Hajec Donald T.
Phan Tho
Samsung Electronics Co,. Ltd.
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