Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2008-05-02
2010-12-07
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C706S033000, C382S156000
Reexamination Certificate
active
07847225
ABSTRACT:
An input layer outputs light having a relatively narrow emission angle distribution to a middle layer as an output signal if the signal level of input signal is relatively high and outputs light having a relatively broad emission angle distribution to the middle layer as the output signal if the signal level of input signal is relatively low. The middle layer outputs light having a relatively narrow emission angle distribution as an output signal to an output layer if the signal level of the output signal from input layer is relatively high and outputs light having a relatively broad emission angle distribution to the output layer as an output signal if the signal level of the output signal from the input layer is relatively low.
REFERENCES:
patent: 2010/0176278 (2010-07-01), Yokoyama
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International Search Report of International Application No. PCT/JP2008/001139 and English Translation of the same, mail date Jun. 17, 2008, 2 pages.
Foley & Lardner LLP
Hiroshima University
Pyo Kevin
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