Adjustable light collector and sampler therefor

Details Adjustable light collector and sampler therefor Adjustable light collector and sampler therefor

1980-09-12

1983-05-10

Lechert, Jr., Stephen J.

Illumination

Revolving

362148, 362295, 362319, 362362, 362802, 362396, F21V 704

Patent

active

043832881

ABSTRACT:
A light collector includes a light sampler for gathering light and a light receiver for receiving the light gathered by the sampler and for transmitting it to a system such as a light illumination control system. The output of the light collector varies with the intensity of the light gathered by the light sampler and can be increased or decreased for a given gathered light intensity by adjusting the distance between the light sampler and light receiver. Accordingly, if the light collector is used to provide to a light illumination control system the actual light intensity of the area in which light illumination is controlled, the light intensity maintained by the control system can be adjusted by increasing or decreasing the output of the collector. Also, the present invention includes a light gathering device for a light collector. The light gathering device includes a lens having angled portions for gathering light from a broad area.

REFERENCES:
patent: 4023034 (1977-05-01), Schacht
patent: 4152752 (1979-05-01), Niemi
patent: 4281365 (1981-07-01), Elving et al.
patent: 4297000 (1981-10-01), Fries

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