Optical fiber scanning device, optical scanning type endoscope and endoscope system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11213188
APP PUB NO 20180325362A1
SERIAL NO

16045970

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical fiber scanning device includes a housing, an optical fiber configured to emit light, a magnet disposed on the optical fiber, four drive coils configured to drive the optical fiber by applying to the magnet a magnetic field generated by a received drive power signal, and four detection coils configured to output an induced electromotive force signal corresponding to variation of a magnetic field, wherein the drive power signal is controlled based on the induced electromotive force signal, and four coil assemblies each including any one of the drive coils and any one of the detection coils are disposed at rotationally symmetrical positions so as to interpose the optical fiber among the four coil assemblies.

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Patent Owner(s)

  • OLYMPUS CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ogata, Masanori Matsumoto, JP 27 117
Tosaka, Hiroshi Nagano, JP 6 39

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