Optical apparatus

Details Optical apparatus Optical apparatus

1998-05-11

2000-02-15

Epps, Georgia

Optical: systems and elements

Lens

With support

359696, 359694, 396133, G02B 702, G02B 1514, G02B 1334

Patent

active

060259647

ABSTRACT:
An optical apparatus includes an optical unit having an optical axis, a manual operation member arranged to be manually operated to drive the optical unit, a driving motor for electrically driving the optical unit, and a driven member arranged to be driven by the driving motor, wherein the manual operation member and the driven member are kept in contact with each other through a predetermined frictional force on a ring-shaped face whose center lies at the optical axis, and wherein a driving force of the driving motor is transmitted via the driven member to the manual operation member, while a manual driving force onto the manual operation member is not transmitted to the driven member.

REFERENCES:
patent: 5731919 (1998-03-01), Yamamoto

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