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Patent Searching and Data


Title:
ENDOSCOPE SYSTEM AND MOTOR CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/198373
Kind Code:
A1
Abstract:
This endoscope system 1 comprises: an endoscope 11; a controller 12d; a motor 71; a gear train 72 which comprises multiple gears and which is provided in the endoscope 11 and is driven by the motor 71; a current sensor 103 which is provided in the controller 12d and which detects the current flowing in the motor 71 when the gear train 72 is driven by the motor 71; a fast Fourier transform unit 111 which Fourier-transforms a waveform indicating change over time of the current flowing in the motor 71 and which analyzes changes in amplitude corresponding to frequency; and a determination unit 112 which determines the state of the gear train 72 on the basis of change in the amplitude obtained by the fast Fourier transform unit 111.

Inventors:
MASAKI Yutaka (2951 Ishikawa-machi Hachioji-sh, Tokyo 07, 〒1928507, JP)
Application Number:
JP2019/007913
Publication Date:
October 17, 2019
Filing Date:
February 28, 2019
Export Citation:
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Assignee:
OLYMPUS CORPORATION (2951 Ishikawa-machi, Hachioji-shi Tokyo, 07, 〒1928507, JP)
International Classes:
A61B1/00; G02B23/24
Domestic Patent References:
WO2017010128A12017-01-19
WO2017168796A12017-10-05
Foreign References:
JP2013158569A2013-08-19
JPH11311591A1999-11-09
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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