Lens device

Details Lens device Lens device

2006-10-23

2008-07-22

Pak, Sung (Department: 2874)

Optical: systems and elements

Lens

With variable magnification

Reexamination Certificate

active

07403342

ABSTRACT:
A lens device comprises: at least one driven member including an optical system and a lens frame holding the optical system; a plurality of guides that guide the driven member in a direction of an optical axis; a driving frictional member frictionally engaged with the driven member; and an electro-mechanical conversion member connected to the driving frictional member.

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patent: 3170999 (2001-03-01), None

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