Vibration reduction apparatus with a center of gravity adjusting member to reduce detection errors and optical apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8446672
APP PUB NO 20100033820A1
SERIAL NO

12450679

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A vibration reduction apparatus to stably control the driving of a vibration reduction optical system. A vibration reduction apparatus 30 has a fixed portion 31, a moving portion 25, 32, 34-1, 35-1 having a vibration reduction optical system 25 and moves in a plane perpendicular to an optical axis, relatively with respect to the fixed portion, a first detection portion 35 detects relative movement in a first direction D1 of the moving portion and the fixed portion, a second detection portion detects relative movement in a second direction D2 of the moving portion and the fixed portion, and a center of gravity adjusting member 36 disposed at the moving portion such that a center of gravity position G1 of the moving portion can be brought close to a crossing point C of each detection direction of the first detection portion and the second detection portion.

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Patent Owner(s)

Patent OwnerAddress
NIKON CORPORATIONTOKYO 140-8601

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Omi, Junichi Yokohama, JP 42 396

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