Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2007-09-05
2010-06-15
Anderson, Matthew D (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S063100, C455S067110, C455S336000, C455S414200, C455S446000, C340S572100, C375S219000
Reexamination Certificate
active
07738888
ABSTRACT:
An apparatus and method for accurately controlling a transmission power using a variable attenuator and a power detector in a mobile terminal is disclosed. To this end, the apparatus includes at least one amplifier for amplifying a transmission signal to be transmitted via an antenna according to a control signal, a power detector for detecting the power level of the amplified transmission signal, and a controller for determining the power level of a transmission signal that has to be transmitted, outputting the control signal to the at least one amplifier in order to control the at least one amplifier to amplify the transmission signal to the determined power, comparing the power level of the transmission signal detected by the power detector with the power level of the transmission signal that has to be transmitted, and controlling the at least one amplifier to compensate the detected power level with a difference between the detected power level and the power level of the transmission signal that has to be transmitted.
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Anderson Matthew D
Safaipour Bobbak
Samsung Electronics Co,. Ltd
The Farrell Law Firm, LLP
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