Telecommunications – Receiver or analog modulated signal frequency converter – Measuring or testing of receiver
Reexamination Certificate
2008-08-28
2011-11-08
Chen, Junpeng (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Measuring or testing of receiver
C455S226200, C455S226400, C455S067700, C455S232100, C327S350000, C327S351000, C327S352000, C327S357000
Reexamination Certificate
active
08055228
ABSTRACT:
A received signal strength indicator according to an aspect of the invention may include a gain calibration section including a calibration limiter, a calibration load unit and a comparison and adjustment unit. The calibration load unit is connected to output terminals of the calibration limiter, and generating an output differential voltage whose gain is a unit gain when a predetermined input differential voltage is input to the calibration limiter, and a comparison and adjustment unit comparing the input differential voltage with the output differential voltage, and adjusting an output of a variable current source included in the calibration limiter so that the input differential voltage becomes identical to the output differential voltage.
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patent: 7639998 (2009-12-01), Halvorson
Na Yoo Sam
Park Kyoung Seok
Yoo Hyun Hwan
Chen Junpeng
Lowe Hauptman & Ham & Berner, LLP
Samsung Electro-Mechanics Co. Ltd.
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