Device for sensing moving light source

Details Device for sensing moving light source Device for sensing moving light source

1983-08-05

1984-11-27

O'Connor, Daniel J.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

250203R, 353 3, F24J 302

Patent

active

044845650

ABSTRACT:
A device for chasing a moving light source includes a plurality of photosensors arranged in elaborated positions for accurate operation. A top plate is formed with a calibrated cruciform opening to minimize indirect light tending to enter the device. Some of the photosensors expected to receive direct light through the cruciform opening are adjustable in position in two perpendicular directions relative to the remaining part of the device. The device can be disassembled for ease of production, maintenance, etc.

REFERENCES:
patent: 3305686 (1967-02-01), Carter
patent: 3996917 (1976-12-01), Trihey
patent: 4041307 (1977-08-01), Napoli et al.
patent: 4135493 (1979-01-01), Kennedy
patent: 4179612 (1979-12-01), Smith
patent: 4225781 (1980-09-01), Hammons
patent: 4314546 (1982-02-01), Miller
patent: 4316084 (1982-02-01), Stout
patent: 4367403 (1983-01-01), Miller
patent: 4419981 (1983-12-01), Mori
patent: 4424801 (1984-01-01), Mori

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