Camera with automatic focusing device

Details Camera with automatic focusing device Camera with automatic focusing device

1988-01-12

1989-08-08

Adams, Russell E.

354406, 354408, G03B 300

Patent

active

048557765

ABSTRACT:
A camera capable of following the movement of an object and constantly maintaining the lens in focus. During a certain period after a focused state is detected, lens drive is forbidden even if a large defocus amount is detected, but the lens is driven during this period if a small defocus amount is detected.

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patent: 4474449 (1984-10-01), Kusaka
patent: 4572643 (1986-02-01), Akashi
patent: 4588278 (1986-05-01), Horigome
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patent: 4618235 (1986-10-01), Ishida et al.
patent: 4641942 (1987-02-01), Sakai et al.
patent: 4721975 (1988-01-01), Hamada

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