Power transmission device, lens barrel, and image pickup...

Details Power transmission device, lens barrel, and image pickup... Power transmission device, lens barrel, and image pickup...

2005-08-09

2005-08-09

Mack, Ricky L. (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S697000

Reexamination Certificate

active

06927921

ABSTRACT:
A multiplying mechanism is arranged between a drive source and a mechanism that transmits a rotary output from the drive source to a driven portion. A rotation information detecting unit that outputs rotation information is rotated in synchronism with the multiplying mechanism.

REFERENCES:
patent: 5166829 (1992-11-01), Iizuka
patent: 5848302 (1998-12-01), Machida
patent: 6160670 (2000-12-01), Nakayama et al.
patent: 6396645 (2002-05-01), Nakayama et al.
patent: 6490097 (2002-12-01), Noguchi
patent: H07-318780 (1995-12-01), None
patent: H09-191675 (1997-07-01), None

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