Title:
DRIVING DEVICE, ENDOSCOPE SYSTEM, AND DRIVING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/166740
Kind Code:
A1
Abstract:
Provided are: a driving device which makes it possible to reduce a diameter and a length; an endoscope system; and a driving method. The driving device is provided with: a fixing unit; a movable unit which is provided slidably in the inside of the fixing unit and holds a lens; a driving unit which allows the movable unit to slide relative to the fixing unit along the optical axis of the lens; a driving driver which supplies electric current to the driving unit; and a control unit which allows the driving unit to repeatedly perform an operation to supply a first electric current to the driving driver and an operation to supply a second electric current that is larger than the first electric current to the driving driver at a predetermined frequency.
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Inventors:
SAKAKI YUJI (JP)
OGAWA KOTA (JP)
OGAWA KOTA (JP)
Application Number:
PCT/JP2022/009558
Publication Date:
September 07, 2023
Filing Date:
March 04, 2022
Export Citation:
Assignee:
OLYMPUS MEDICAL SYSTEMS CORP (JP)
International Classes:
G02B7/04; A61B1/00; G02B7/08; G02B23/24
Domestic Patent References:
| WO2016009842A1 | 2016-01-21 | |||
| WO2019207781A1 | 2019-10-31 | |||
| WO2015178126A1 | 2015-11-26 |
Foreign References:
| JPH10225438A | 1998-08-25 | |||
| JP2015134100A | 2015-07-27 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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