Title:
SENSOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/173380
Kind Code:
A1
Abstract:
Provided is a sensor device that has a novel structure and makes it possible to detect, with excellent reliability, when a worker, etc. is approaching or in contact with a mobile part of an automatic device. A sensor device (10) that: detects when a detected object (A) is approaching or in contact with a mobile part (18) of an automatic device (12); and comprises a first sensor (26) that detects the detected object (A) in locations that are separated from the mobile part (18), a second sensor that detects the detected object (A) in locations that are closer to the mobile part (18) than the first sensor (26), and a third sensor that detects the detected object (A) in locations that are closer to the mobile part (18) than the first sensor (26). Both the second sensor and the third sensor detect when the detected object (A) is approaching the mobile part (18) from locations that are closer to the mobile part (18) than locations that can be detected by the first sensor (26).
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Inventors:
SATO SUSUMU (JP)
KAWAGUCHI JUNYA (JP)
FUJIKAWA TOMOHIRO (JP)
YAMAMOTO SHOTA (JP)
KAWAGUCHI JUNYA (JP)
FUJIKAWA TOMOHIRO (JP)
YAMAMOTO SHOTA (JP)
Application Number:
PCT/JP2017/043674
Publication Date:
September 27, 2018
Filing Date:
December 05, 2017
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
G01V11/00; B25J19/02; G01V3/08
Foreign References:
| JP5805208B2 | 2015-11-04 | |||
| JPH09178410A | 1997-07-11 | |||
| JP2014138966A | 2014-07-31 | |||
| DE102013021387A1 | 2015-06-18 | |||
| US20170334076A1 | 2017-11-23 |
Attorney, Agent or Firm:
KASAI & NAKANE INTERNATIONAL PATENT FIRM et al. (JP)
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