Lens barrel

Details Lens barrel Lens barrel

1990-04-06

1991-07-09

Arnold, Bruce Y.

350257, G02B 1500

Patent

active

050299913

ABSTRACT:
In a lens barrel having an electromechanical transducer for driving an iris mechanism, a zooming motor for driving a zoom mechanism and focusing motor for driving a focusing mechanism, at least one of the zooming motor and the focusing motor is arranged to be a geared motor in which a motor part and a reduction gear part are interconnected in the direction of an output shaft; and the motor part of the geared motor is disposed in front of the reduction gear part as viewed in the direction of the optical axis of the lens barrel.

REFERENCES:
patent: 4083057 (1978-04-01), Quinn
patent: 4161756 (1979-07-01), Thomas
patent: 4626077 (1986-12-01), Yamamoto
patent: 4964697 (1990-10-01), Fuziwara

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