Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1992-05-11
1998-09-29
Urban, Edward F.
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455 90, 343702, H04B 138
Patent
active
058158200
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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Motorola, Inc., User Manual (.sup..COPYRGT. 1991) 68P09357A20-0, for a cellular mobile telephone.
An FCC application (dated Feb. 19, 1992) and grant (dated Mar. 18, 1992) for equipment authorization (FCC ID: AXATR-208-AZ).
EIA Standard, Cellular System Mobile Station--Land STation Comaptibility Specification, IS-3-D, Mar. 1989.
Jenski Raymond A.
Kaschke Kevin D.
Kiem Joshua P.
Metroka Michael P.
Kaschke Kevin D.
Motorola Inc.
Urban Edward F.
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