Manual focus camera having focus detecting means

Details Manual focus camera having focus detecting means Manual focus camera having focus detecting means

1994-01-24

1995-09-12

Perkey, W. B.

Television

Special applications

Simulator

3541951, 348345, G03B 310

Patent

active

054501610

ABSTRACT:
A camera comprises a manual operation member, a converting device for converting the output of the operation of the manual operation member into electric signal which indicate at least the driving direction of a focus lens, a driving device for driving in response to the electric signal a motor which is the driving source for driving the focus lens, a focus detecting device for detecting the focus states of an object, and a controlling device for causing the motor to be stopped forcibly when an in-focus state is detected by the focus detecting device while the motor is driven on the basis of the electric signal. Hence enabling the focus lens to be stopped at an in-focus position accurately to simplify the operation required to obtain an in-focus state.

REFERENCES:
patent: 4568165 (1986-02-01), Ishibashi
patent: 4572643 (1986-02-01), Akashi
patent: 4864344 (1989-09-01), Arakawa et al.

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