Flash apparatus, camera provided with flash apparatus,...

Details Flash apparatus, camera provided with flash apparatus,... Flash apparatus, camera provided with flash apparatus,...

2005-01-21

2008-08-26

Perkey, W. B. (Department: 2862)

Photography

With object illumination for exposure

Variable illumination angle

C396S176000, C396S182000, C396S200000, C396S435000, C348S371000

Reexamination Certificate

active

07418201

ABSTRACT:
In an embodiment of a flash apparatus, a semiconductor laser device is used as a flash-use light source. Laser light beams are approximately evenly scattered by a reflector plate whose reflection surface is formed of Ag coarse film, whereby illumination of a wide range and safety are secured. In an embodiment of the semiconductor laser device, the semiconductor laser device is disposed such that a longitudinal direction of an imaging area20aof a camera and a wide direction of far-field patterns11a1, 12a1and12b1of laser light emitted from the semiconductor laser device match.

REFERENCES:
patent: 4866285 (1989-09-01), Simms
patent: 6256067 (2001-07-01), Yamada
patent: 6445884 (2002-09-01), Yahav
patent: 2002/0025157 (2002-02-01), Kawakami
patent: 2003/0180037 (2003-09-01), Sommers
patent: 2004/0012027 (2004-01-01), Keller et al.
patent: 2005/0134723 (2005-06-01), Lee et al.
patent: 2003-333155 (2003-11-01), None

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