Automatic solar lighting apparatus having a solar following sens

Details Automatic solar lighting apparatus having a solar following sens Automatic solar lighting apparatus having a solar following sens

1988-09-21

1990-05-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

126425, 2502086, G01J 120

Patent

active

049220888

ABSTRACT:
An automatic solar lighting apparatus having a reflecting means for reflecting the sunlight and a solar following sensor composed of an X-shape cross member having four side grooves, a light shielding top plate disposed on the front end of the X-shape cross member, and photosensors located in the side grooves of the X-shape cross member. The solar following sensor is controlled to be always pointed toward the sun, and the reflecting means can automatically be driven so as to reflect and direct the sunlight toward a prescribed portion for lighting.

REFERENCES:
patent: 3996917 (1976-12-01), Trihey
patent: 4672191 (1987-06-01), Cofield
patent: 4742813 (1985-05-01), Riehl et al.

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