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Patent Searching and Data


Title:
OPTICAL UNIT
Document Type and Number:
WIPO Patent Application WO/2019/211935
Kind Code:
A1
Abstract:
This optical unit 1 is provided with a first frame 11, a second frame 12, a third frame 13 and a position detection unit 20. Eight magnets, including a first and a second magnet 15A, 15C, are fixed to the first frame 11. A first and a second coil 16A, 16B are fixed to the second frame 12. The position detection unit 20 includes a magnetic sensor 22 which detects the magnetic field generated by the first and second magnets 15A, 15C and generates a detection signal having correspondence with the position of the first frame 11. The third frame 13 has a positioning surface 13a parallel to the direction of movement of the first frame 11. The position detection unit 20 is fixed to the positioning surface 13a.

Inventors:
SHINZATO Jun (2951 Ishikawa-machi Hachioji-sh, Tokyo 07, 〒1928507, JP)
INAMURA Masaru
IGUCHI Takehiko
Application Number:
JP2019/003983
Publication Date:
November 07, 2019
Filing Date:
February 05, 2019
Export Citation:
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Assignee:
OLYMPUS CORPORATION (2951 Ishikawa-machi, Hachioji-shi Tokyo, 07, 〒1928507, JP)
International Classes:
G02B7/02; A61B1/00; G02B7/04; G02B23/26
Attorney, Agent or Firm:
ITOH-SHIN PATENT OFFICE (Musashi Bldg, 4-4 Nishishinjuku 7-chome, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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