Light projector for camera and method of adjusting the same

Details Light projector for camera and method of adjusting the same Light projector for camera and method of adjusting the same

1998-11-06

1999-12-07

Perkey, W. B.

Photography

With exposure objective focusing means, focusing aid, or...

Having auxiliary illumination

396157, 396158, 396175, 362 3, 362425, 356123, G03B 1503

Patent

active

059997494

ABSTRACT:
A light projector for camera including a light emission lamp having a filament, a lamp mounting frame which holds the light emission lamp integrally therewith as well as has a pair of support shafts projecting from opposite the sides thereof with one of the support shaft having a rectangular hole defined thereto, a reflection umbrella for reflecting the light from the filament, a light projection lens disposed so that the optical axis thereof matches the optical axis of the reflection umbrella and a casing on which the reflection umbrella and the light projection lens are mounted, wherein the lamp mounting frame is held by swingably engaging the pair of support shafts and the like with a pair of sliding grooves and the like along an optical axis direction. The relative position of the filament to the reflection umbrella can be displaced in the optical axis direction, an up/down direction and a right/left direction merely by inserting a single jig into the rectangular hole and applying displacing force thereto, whereby the dispersion and the like of the position of the filament can be corrected by a simple adjustment job so that an effective ratio of light can be increased.

REFERENCES:
patent: 5057985 (1991-10-01), Kreutzer, Jr. et al.
patent: 5099112 (1992-03-01), Kamitani et al.
patent: 5379204 (1995-01-01), Paterson

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