Exposure meter

Details Exposure meter Exposure meter

1977-07-28

1979-12-04

Hille, Rolf G.

Optics: measuring and testing

Photometers

Photoelectric

356226, 354 24, 354 31, 354 60L, G01J 142, G03B 708

Patent

active

041769554

ABSTRACT:
An exposure meter provides a display indicating the brightness of selected portions of a scene to be photographed. In one embodiment, a photometering block including a plurality of light sensitive elements is employed, and there is an automatic fixed display indicating the brightness level of the brightest and the darkest portions of the objective scene together with a display of a median value. Another embodiment employs a spot photometering device with only one light sensitive element, and a display of the brightness level of different portions of the scene selected by the photographer.

REFERENCES:
patent: 3741088 (1973-06-01), Nobusawa
patent: 3772517 (1973-11-01), Smith
patent: 3895875 (1975-07-01), Kitaura et al.

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