Camera having a flashlight photography recommendation device

Details Camera having a flashlight photography recommendation device Camera having a flashlight photography recommendation device

1981-07-07

1983-02-15

Gellner, Michael L.

354 31, 354127, G03B 700, G03B 1502

Patent

active

043737900

ABSTRACT:
In a camera wherein an object field is divided into a plurality of areas and the brightness of the object in each of the areas is measured to thereby obtain a plurality of measurement values, a device for recommending auxiliary illumination of the object includes means for detecting a maximum value and a minimum value from among the plurality of measurement values, first judgment means for comparing the maximum value and the minimum value and putting out a first judgment signal when the difference between the maximum value and the minimum value exceeds a predetermined value, second judgment means for calculating the mean value of the plurality of measurement values and putting out a second judgment signal when the mean value exceeds a reference value, and means responsive to the first and second judgment signals to indicate the recommendation of the auxiliary illumination.

REFERENCES:
patent: 4285584 (1881-08-01), Canter
patent: 4309091 (1982-01-01), Fukuhara et al.

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