Optical system moving device

Details Optical system moving device Optical system moving device

1996-10-07

1998-09-08

Nelms, David C.

Optical: systems and elements

Lens

With variable magnification

359826, G02B 1514, G02B 702

Patent

active

058053530

ABSTRACT:
An optical member moving device includes an optical member, a cam member, a cam follower arranged to move the optical member according to the guidance of the cam member, and an elastic member arranged at the cam follower to bias the position of the cam follower to the cam member by urging the cam follower in the direction of movement of the optical member. The optical member moving device can also include an optical member, a holding member arranged to hold the optical member, a driving force transmitting part arranged to move the holding member while causing the holding member to rotate, and a guide part which is arranged to receive a force from the holding member and is fixedly disposed in part on one side of an optical axis opposite to another side on which the driving force transmitting part is located across the optical axis.

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patent: 5373397 (1994-12-01), Satoh
patent: 5586467 (1996-12-01), Weber

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