Automatic focusing device

Details Automatic focusing device Automatic focusing device

1988-01-11

1989-09-19

Adams, Russell E.

354402, 354286, G03B 300

Patent

active

048685925

ABSTRACT:
Disclosed here is an automatic focusing device high in focusing accuracy, in which an amount of drive for driving a focusing lens to a position focused on an object can be renewed during the focusing lens moving to the focused position.

REFERENCES:
patent: 4537487 (1985-08-01), Taniguchi et al.
patent: 4728980 (1988-03-01), Nakamura et al.
patent: 4743931 (1988-05-01), Matsuzaki et al.

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