Title:
OPTICAL DEVICE AND ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2020/136802
Kind Code:
A1
Abstract:
This optical device 1 has: an optical system that forms an optical image; a movable frame 41 that holds at least a portion of the optical system; a fixed frame 14 that contains the movable frame 41 and holds the movable frame in a slidable manner in the directions of the optical axes O1, O2 of the optical image; a coil 31 that generates a magnetic field for driving the movable frame 41 along the optical axes O1, O2; and magnets 21, 22, 23, 24 disposed at positions at which a rotating force of a predetermined moment M is generated to rotate the movable frame 41 around an axis parallel to the optical axes O1, O2 by means of magnetic forces M1, M2.
Inventors:
YOSHIDA KYOSUKE (JP)
Application Number:
PCT/JP2018/048144
Publication Date:
July 02, 2020
Filing Date:
December 27, 2018
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/00; G02B7/04; G02B23/24; G03B15/00; G03B17/02; G03B35/08
Domestic Patent References:
| WO2017094126A1 | 2017-06-08 |
Foreign References:
| JP2014197112A | 2014-10-16 | |||
| JP2006288821A | 2006-10-26 | |||
| JP2005352233A | 2005-12-22 |
Attorney, Agent or Firm:
ITOH Susumu (JP)
Download PDF:
Previous Patent: CONVEYANCE CHAIN, TOOL EXCHANGE SYSTEM, AND MULTIPLE LINK PLATES
Next Patent: UNMANNED AIRCRAFT
Next Patent: UNMANNED AIRCRAFT