Automatic focusing camera provided with an auxiliary light emitt

Details Automatic focusing camera provided with an auxiliary light emitt Automatic focusing camera provided with an auxiliary light emitt

1995-12-21

1997-11-11

Perkey, W. B.

Photography

Having variable focal length of camera objective

Having focus operation

396104, 396106, G03B 1336

Patent

active

056874022

ABSTRACT:
An automatic focusing camera has a selective night view mode of photographing a scene where the brightness of a main object is lower than the brightness of a background and the brightness of the whole scene is lower than a specified value, and includes an auxiliary light emitter operable to emit an auxiliary light to the main object for focusing; a first determinator operable to determine whether an auxiliary light is necessary in the night view mode; and a controller in responsive to the first determinator to render the auxiliary light emitter emit an auxiliary light.

REFERENCES:
patent: 4257705 (1981-03-01), Hosoe et al.
patent: 4367934 (1983-01-01), Matsui
patent: 4518242 (1985-05-01), Toyama
patent: 4592638 (1986-06-01), Kaneda et al.
patent: 5144357 (1992-09-01), Ishida et al.
Camera Annual '92, Dec. 2, 1991, p. 153.

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