Transmitter having adjustable power levels responsive to the position of a movable antenna
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United States of America Patent
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-
Sep 29, 1998
Issued Date -
N/A
app pub date -
May 11, 1992
filing date -
Jul 12, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A portable radiotelephone (200) adjusts its transmit power responsive to the position of a movable antenna (213). The antenna (213) is movable between a retracted (313) and an extended position (314). The portable radiotelephone (200) transmits at low power when the antenna (213) is retracted and at high power when the antenna (213) is extended. Additionally, the portable radiotelephone (200) can notify a remote base station of the change in transmit power at any time during transmission.
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