Optical lighting system

Details Optical lighting system Optical lighting system

1998-03-23

1999-06-15

Dowling, William C.

Optics: image projectors

Reflector

353 99, 353 31, 362298, 349 67, G03B 2128

Patent

active

059114894

ABSTRACT:
A lighting system comprises a light source and a reflector arrangement which comprises a concave first reflection mirror having an aspherical surface for reflecting and directing forward light beams emanating laterally and radially back from the light source forward along an optical axis, an annular concave second reflection mirror having an aspherical surface for reflecting and directing light beams emanating laterally and radially forward from the light source toward a specified point, and a third reflection mirror disposed near the specified point and having an aspherical surface for reflecting and directing forward the light beams reflected by the concave second reflection mirror along the optical axis.

REFERENCES:
patent: 4422135 (1983-12-01), McCamy
patent: 5142387 (1992-08-01), Shikama et al.
patent: 5192962 (1993-03-01), Nishida et al.
patent: 5217299 (1993-06-01), Yoshida et al.
patent: 5408363 (1995-04-01), Kano
patent: 5491525 (1996-02-01), Yamasaki et al.
patent: 5613767 (1997-03-01), Hamanaka et al.
patent: 5833341 (1998-11-01), Kimura et al.

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