Flash unit for a camera

Details Flash unit for a camera Flash unit for a camera

1998-12-03

2000-06-06

Perkey, W. B.

Photography

With object illumination for exposure

Having preexposure illumination

396200, G03B 1505

Patent

active

060729570

ABSTRACT:
The present invention relates to a flash unit for a camera, or to a camera which includes such a flash unit. The flash unit includes a flash emission tube for use in flash photography, and a reflecting device (reflector) which reflects light emitted from the flash emission tube in a direction of a subject. The reflector includes a concave reflective surface surrounding at least a portion of the flash emission tube. A pre-illuminating light source used for reducing red-eye phenomenon is provided with at least a portion thereof outside the space formed between the flash emission tube and the concave reflective surface of the reflector, and a light guide is provided for guiding light emitted from the pre-illuminating light source from outside to inside of the space formed between the flash emission tube and the concave reflective surface. The flash unit also may include a reflecting device that collects light for use in flash photography and collects pre-illuminating light.

REFERENCES:
patent: 5285232 (1994-02-01), Taniguchi et al.
patent: 5471370 (1995-11-01), Takami
patent: 5631152 (1997-05-01), Kato et al.
patent: 5659818 (1997-08-01), Kaihara et al.

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