Omnidirectional electro-optical receiver

Details Omnidirectional electro-optical receiver Omnidirectional electro-optical receiver

1981-09-18

1984-08-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

350294, H01J 314

Patent

active

044671946

ABSTRACT:
An optical system made up of vertically stacked omnidirectional modules, each having apposed reflectors, one being conical and the other being paraboloidal, and the modules being vertically spaced along an axis so that generally horizontal light from any direction is reflected by the surface in a desired sequence to a light responsive device.

REFERENCES:
patent: 1286535 (1918-12-01), Cochran
patent: 1827141 (1931-10-01), Cushing
patent: 2017716 (1935-10-01), Halvorson
patent: 3634675 (1972-01-01), Madsen et al.
patent: 4096555 (1978-06-01), Lasker
patent: 4112483 (1978-09-01), Small, Jr. et al.
patent: 4231080 (1980-10-01), Compton
patent: 4348750 (1982-09-01), Schwind

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