Temperature sensor, fixing device, and image forming apparatus

Temperature sensor, fixing device, and image forming apparatus

A temperature sensor includes a front surface; a back surface; a first temperature-sensitive element and a second temperature-sensitive element disposed side by side between the front surface and the back surface; an infrared-ray absorber; and a heat-transfer inhibitor. When the temperature sensor i...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KUBOTA YUKI, GOTO YASUTAKA
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
COLORIMETRY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHOTOGRAPHY
PHYSICS
RADIATION PYROMETRY
TESTING
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Beschreibung
Zusammenfassung:A temperature sensor includes a front surface; a back surface; a first temperature-sensitive element and a second temperature-sensitive element disposed side by side between the front surface and the back surface; an infrared-ray absorber; and a heat-transfer inhibitor. When the temperature sensor is exposed to infrared rays that have propagated from both of a front-surface side and a back-surface side of the temperature sensor, the infrared absorber heats up by absorbing the infrared rays and transfers heat to the first temperature-sensitive element and the heat-transfer inhibiter inhibits heat transfer to the second temperature-sensitive element caused by the infrared rays.