Method and device for automatic exposure control by programs

Details Method and device for automatic exposure control by programs Method and device for automatic exposure control by programs

1985-10-03

1986-06-10

Adams, Russell E.

354403, 354443, 35419511, G03B 310

Patent

active

045939870

ABSTRACT:
A method and device for an automatic exposure control by programs, characterized in that the exposure for an object located at a long distance is controlled by a first automatic exposure control program wherein a stop varies in a range of stop value including open stop value while the exposure for an object located at a close-up distance is controlled by a second automatic exposure control program wherein the stop varies in a range of stop value exceeding a predetermined stop value. The two automatic exposure control programs are selected on the basis of an information on the distance to an object which is set manually, or on the basis of a signal delivered from a range-finder.

REFERENCES:
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patent: 3664245 (1972-05-01), Bresson et al.
patent: 4274725 (1981-06-01), Gross
patent: 4352548 (1982-10-01), Toyoda
patent: 4362372 (1982-12-01), Kiesel
patent: 4437744 (1984-03-01), Terui et al.
patent: 4459005 (1984-07-01), Harvey
patent: 4473285 (1984-09-01), Winter

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