Manual focus setting apparatus for photographic camera having au

Details Manual focus setting apparatus for photographic camera having au Manual focus setting apparatus for photographic camera having au

1979-04-11

1981-08-11

Hix, L. T.

G03B 300

Patent

active

042831318

ABSTRACT:
A manual focus setting apparatus for a camera having an automatic focus adjusting or focusing apparatus including an actuator which moves simultaneously or in synchronism with movement of a focusing lens along its optical axis and is stopped in response to a signal from an electromagnet. A focus setting member is manually movable from a position clear of the path of a stopper projection on the actuator to a position where it can engage the stopper projection to limit movement of the actuator. Switch means is provided which is operable in response to movement of the focus setting member to the stopper projection engaging position to inhibit operation of the electromagnet.

REFERENCES:
patent: 3048092 (1962-08-01), Gottschalk
patent: 3274914 (1966-09-01), Biedermann et al.
patent: 3617128 (1971-11-01), Harvey
patent: 4079387 (1978-03-01), Kawamura et al.

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