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Patent Searching and Data


Title:
L IGHT MEASURE CIRCUIT FOR CAMERA
Document Type and Number:
Japanese Patent JPS5325432
Kind Code:
A
Abstract:

PURPOSE: To enable the setting of a light measure value even when a diaphragm information is not given by a convertible lens by utilizing both circuits consisting of an inner light measure circuit which measures light transmitted through a photographic lens and an outer light measure circuit which measures the brightness of an object to be photographed under the definite transmittivity.


Inventors:
SAWARA MASAYOSHI
KOBORI TOSHIO
Application Number:
JP9985576A
Publication Date:
March 09, 1978
Filing Date:
August 20, 1976
Export Citation:
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Assignee:
MINOLTA CAMERA KK
International Classes:
G03B7/20; G03B7/16; (IPC1-7): G03B7/00; G03B7/08; G03B7/20