Exposure indicating device
AssigneeMinolta Camera Kabushiki Kaisha
InventorSeiji Yamada
Life of this patent
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Abstract
An exposure indicating device indicates at the same time a result of average light measurement which measures a light level of a substantial portion of a scene to be photographed, and a result of spot light measurement which measures a brightness at a small portion of the scene. One of the values of the average and spot light measurements is displayed numerically to indicate its absolute value, while the other is displayed as a deviation from the former value.
Claims9
An exposure indication and control system for a photographic camera comprising:
- exposure signal means for generating an exposure control signal;
- exposure control means for controlling camera exposure in response to said exposure control signal;
- first indicator means for indicating, in response to said exposure control signal, the exposure value to be controlled by said exposure control means in numerical form;
- light detecting means for measuring the brightness of a small portion of a scene to be photographed and generating a light related signal as a function of the measured brightness;
- means for detecting the amount of the difference between said exposure control signal and said light related signal;
- and
- second indicator means for indicating the amount of the difference in a visual form wherein the distance of an indicated point from a reference point represents the amount of the difference.
An exposure indication and control system as in claim 7 wherein said exposure signal means includes means for generating the exposure control signal in accordance with a manually set exposure value.
Dependencies are inferred from the claim text.