Title:
NOISE DETECTION DEVICE AND PLC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/053246
Kind Code:
A1
Abstract:
A noise detection device according to the present disclosure is provided with: a noise detection unit that detects noise generated by a first power supply unit, which supplies power to and activates equipment; and a second power supply unit, which is a power supply that produces reduced noise as compared to the first power supply unit, and supplies power to the noise detection unit. The influence of noise on the noise detection unit when detecting noise generated by the first power supply unit, which supplies power to and activates the equipment, can be reduced since the power to the noise detection unit is supplied by the second power supply unit, which is a power supply that produces reduced noise as compared to the first power supply unit.
Inventors:
FUJIOKA HIRONOBU (JP)
YANO TETSUO (JP)
NAKAMURA SHIN (JP)
YANO TETSUO (JP)
NAKAMURA SHIN (JP)
Application Number:
PCT/JP2021/035775
Publication Date:
April 06, 2023
Filing Date:
September 29, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G05B23/02; G01R29/26; G05B19/05
Domestic Patent References:
| WO1996030774A1 | 1996-10-03 | |||
| WO2013140630A1 | 2013-09-26 |
Foreign References:
| JP2016134181A | 2016-07-25 | |||
| JP2008224255A | 2008-09-25 | |||
| JP2007120945A | 2007-05-17 | |||
| JP2016096371A | 2016-05-26 | |||
| JPH0540139A | 1993-02-19 | |||
| JP2007248107A | 2007-09-27 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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