Exposure control apparatus for electronic still camera having a

Details Exposure control apparatus for electronic still camera having a Exposure control apparatus for electronic still camera having a

1990-10-11

1992-01-14

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358209, 358225, H04M 5238

Patent

active

050815350

ABSTRACT:
In an electronic still camera, an aperture plate having a number of different apertures and shading portions is provided. When picking up an image, one of the apertures that is selected depending on a light measurement value is inserted in an exposure light path to start exposure of a solid state imaging device simultaneously with the start of a charge storage time thereof. After the charge storage time, the aperture plate is moved by a driving device to insert one of the shading portions in the exposure light path in place of the aperture so as to shade the solid state imaging device.

REFERENCES:
patent: 2429971 (1944-11-01), Aiken
patent: 3482497 (1967-03-01), Ernisse
patent: 4381889 (1983-05-01), Sahara et al.
patent: 4571629 (1986-02-01), Horio et al.

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