Radiant energy – Photocells; circuits and apparatus – Temperature control of photocell
Reexamination Certificate
2007-02-27
2007-02-27
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Temperature control of photocell
C250S2140LS
Reexamination Certificate
active
11082357
ABSTRACT:
A system for measuring gains of a plurality of photo diodes includes a chamber adapted to host the plurality of photo diodes and a temperature control unit configured to control the temperature within the chamber to a predetermined temperature. A control unit selects at least one of the plurality of photo diodes. A hosting unit is configured to provide a bias voltage to the selected photo diode at the predetermined temperature. A light source transmits photo signals to the selected photo diode at the predetermined temperature. A measurement unit configured to measure current signals generated by the selected photo diode in response to the photo signals under the bias voltage at the predetermined temperature.
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Cao Jun
Huang Yuanjun
Jiang Zhiyong
Yang Zhong
Zeng Xuefei
Fiberxon Inc.
Wen Xin
Yam Stephen
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