Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1980-04-25
1982-03-16
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
126425, G01J 120
Patent
active
043202888
ABSTRACT:
A dual mode solar tracking method and system in which a sensor of radiation from the sun normally tracks the sun at a rate determined by a priori information, departure from normal tracking and correction for tracking rate errors being introduced only when the errors exceed a predetermined value and the strength of radiation from the sun exceeds a predetermined threshold value.
REFERENCES:
patent: 3229102 (1966-01-01), Spencer et al.
patent: 3421004 (1969-01-01), Cashion
patent: 3515594 (1970-06-01), Samuels
patent: 4031385 (1977-06-01), Zerlaut et al.
patent: 4205659 (1980-06-01), Beam
Messenger Herbert E.
Neal James L.
Nelms David C.
Thermo Electron Corporation
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