Title:
温度検出センサ異常判断装置、加熱装置、画像形成システム、および検出温度異常判断方法
Document Type and Number:
Japanese Patent JP6834214
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To accurately detect abnormality in a temperature sensor.SOLUTION: A temperature detection sensor abnormality determination device comprises: a plurality of non-contact temperature detection means that detects temperature at least at two positions; and determination means that determines abnormality in output from the plurality of non-contact temperature detection means on the basis of the temperature detected respectively by the plurality of non-contact temperature detection means while the temperature of the heating means increases.SELECTED DRAWING: Figure 9
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Inventors:
Kuwana Koji
Application Number:
JP2016143173A
Publication Date:
February 24, 2021
Filing Date:
July 21, 2016
Export Citation:
Assignee:
株式会社リコー
International Classes:
G01K15/00; B41J2/01; G03G15/20; H05B3/00
Domestic Patent References:
| JP2005049390A | ||||
| JP2009294591A | ||||
| JP4329574A |
Attorney, Agent or Firm:
Chieko Tateno