Vertically sensitive outdoor lighting controls

Details Vertically sensitive outdoor lighting controls Vertically sensitive outdoor lighting controls

1989-04-11

1990-11-06

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Housings

250216, H01J 502

Patent

active

049688847

ABSTRACT:
In the disclosed outdoor lighting control, angular reflectors (52) direct vertical light passing through a translucent dome (38) onto a vertically oriented photocell (24) and a rigid vertically-adjustable sheet (54) between the photocell and the reflectors regulates the operating point of the photocell. The backs of the reflectors, and a socket (14) projecting vertically from a base (12) under the dome, shield the vertical photocell from horizontal light.

REFERENCES:
patent: 4722607 (1988-02-01), Anselment et al.

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