Conical beam concentrator

Details Conical beam concentrator Conical beam concentrator

Filed on

1984-07-25

Date issued

1986-03-11

Examiner

Corbin, John K.

Other Related Categories

350259, 350452, G02B 1318, G02B 1700, G02B 2700

Type

Patent

Status

active

Patent number

045751960

Description

ABSTRACT:
A conical beam concentrator consisting of a stage lens which receives a convergent conical incipient beam of light and emits a concentrated whole beam. The stage lens is mounted on the roof of a building so as to receive a wide convergent beam of diffused sunlight and refract a concentrated beam into the room below as a source of supplemental illumination. The stage lens consists of an apex lens and a series of inset component lenses of increased diameter.

REFERENCES:
patent: 618280 (1899-01-01), Manning
patent: 2881654 (1959-04-01), Toffolo
patent: 2882784 (1959-04-01), Toffolo
patent: 4074704 (1978-02-01), Gellert
patent: 4277148 (1981-07-01), Clegg
patent: 4325612 (1982-04-01), Clegg
patent: 4333713 (1982-06-01), Clegg

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