Sun tracking apparatus

Details Sun tracking apparatus Sun tracking apparatus

1982-06-29

1983-12-13

O'Connor, Daniel J.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126440, 250203R, 353 3, F24J 302

Patent

active

044199813

ABSTRACT:
A sun tracking apparatus comprises a first pair of photosensors arranged at symmetrically opposed positions on a first horizontal axis rotatable around a third vertical axis, and a second pair of photosensors arranged at symmetrically opposed positions on a second axis perpendicular to and rotatable around the first axis. To the first and third axes are connected driving means which operate when there are differences in outputs between the first pair of photosensors and between the second pair of photosensors, respectively.

REFERENCES:
patent: 4146784 (1979-03-01), Yekutieli
patent: 4179612 (1979-12-01), Smith
patent: 4225781 (1980-09-01), Hammons
patent: 4226502 (1980-10-01), Gunzler
patent: 4227513 (1980-10-01), Blake
patent: 4276122 (1981-06-01), Snyder
patent: 4332238 (1982-06-01), Garcia
patent: 4340812 (1982-07-01), Mori
patent: 4343295 (1982-08-01), Dubicki
patent: 4367403 (1983-01-01), Miller
patent: 4368962 (1983-01-01), Hultberg

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