Solar tracking apparatus

Details Solar tracking apparatus Solar tracking apparatus

1979-02-26

1980-09-30

Yeung, James C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

126425, 250209, 250237R, 356141, 356152, F24J 302, G01J 120

Patent

active

042257816

ABSTRACT:
The invention relates to a solar tracking device which tracks the position of the sun using paired, partially-shaded photocells. Auxiliary photocells are used for initial acquisition of the sun and for the suppression of false tracking when the sun is obscured by clouds.

REFERENCES:
patent: 3780966 (1972-12-01), Newcomb et al.
patent: 3917942 (1975-11-01), McCray
patent: 4031385 (1977-06-01), Zerlaut
patent: 4041307 (1977-08-01), Napoli
patent: 4135493 (1979-01-01), Kennedy
patent: 4146784 (1979-03-01), Yekutieli
patent: 4147154 (1979-04-01), Lewandowski
patent: 4179612 (1979-12-01), Smith

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