STOVE GUARD UTILIZING DIFFERENT WAVELENGTHS

A stove guard comprises a data processing unit (101) and a temperature sensor arrangement (102) for receiving thermal radiation from objects in a specific field of view and for supplying detector signals representative of the received thermal radiation to the data processing unit (101). The temperat...

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Bibliographische Detailangaben
Hauptverfasser:	von BAGH, Hans, LINTONEN, Samuli
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COLORIMETRY DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION HEATING LIGHTING MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MECHANICAL ENGINEERING OTHER DOMESTIC STOVES OR RANGES PHYSICS RADIATION PYROMETRY RANGES TESTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A stove guard comprises a data processing unit (101) and a temperature sensor arrangement (102) for receiving thermal radiation from objects in a specific field of view and for supplying detector signals representative of the received thermal radiation to the data processing unit (101). The temperature sensor arrangement (102) includes at least three detector elements (201, 202, 203), their sensitivity bands located at different positions along an optical radiation wavelength axis. The sensitivity band of one of said detector elements is limited to a wavelength range of less than 1.2 micrometers.