Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1989-12-12
1991-03-12
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
356152, G01J 120
Patent
active
049994832
ABSTRACT:
A sun sensor, for detecting an angle of incidence of sunlight, employs a transmitting plane having an opening with first and second linear portions for transmitting the sunlight. A line parallel to the first linear portion crosses a line parallel to the second portion with an acute angle. A single detector having plural detecting elements generates output signals corresponding to the sunlight at least passing through the first and second linear portions. A processor produces data signals corresponding to the angle of incidence of the sunlight in response to the output signals from the detector.
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CCD Fine Sun Sensor For Scientific Satellites, K. Ninomiya & Y. Ogawara, pp. 301-305.
Allen Stephone B.
Kabushiki Kaisha Toshiba
Nelms David C.
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