Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2005-05-03
2005-05-03
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C250S239000
Reexamination Certificate
active
06888120
ABSTRACT:
A dual-channel sunload sensor capable of sensing the intensity and directionality of the solar radiative power entering the cabin of a car through the windshield, for the purpose of providing information to the data processing system of the car that enables a control of the air conditioning system that optimizes the comfort of the driver and of the front passenger. Signals from the sensor offer reliable indications of the solar load power and directionality for a wide range of angular positions of the sun. The sensor includes two convex transparent parts collecting light each toward a respective photodiode, the transparent parts being separated by an opaque portion.
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Chiasson Michel
Davidson Euan
Lacoursiere Jean
Petrea Theodore
Thibault Simon
Darby & Darby
Luu Thanh X.
Silonex Inc.
Sohn Seung C.
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