Construction of lens barrel operated by electromagnetic inductio

Details Construction of lens barrel operated by electromagnetic inductio Construction of lens barrel operated by electromagnetic inductio

1982-07-07

1985-08-13

Corbin, John K.

350255, G02B 702

Patent

active

045346240

ABSTRACT:
A lens assembly including an adjusting mechanism arranged to render a part or parts of or all of the optical elements, constituting an optical system, movable by an electric motor drive arrangement, the lens barrel is composed of a stator or stators of one or a plurality of linear motors for driving the adjusting mechanism. The movable element of the linear motor corresponding with the stator is formed into a hollow space, in which each of the movable optical elements can be accommodated.

REFERENCES:
patent: 3917394 (1975-11-01), Sturdevant
patent: 4152060 (1979-05-01), Specht

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