THERMOGRAPHY DEVICE

PROBLEM TO BE SOLVED: To accurately judge whether an object is appropriate or not regardless of the atmospheric temperature of the object. SOLUTION: An object is line-scanned by a detector 2. A control part 4 compares a signal at this time with a threshold VTH for judging to see if the object is app...

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Bibliographische Detailangaben
1. Verfasser:	YOSHIMURA MASAAKI
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To accurately judge whether an object is appropriate or not regardless of the atmospheric temperature of the object. SOLUTION: An object is line-scanned by a detector 2. A control part 4 compares a signal at this time with a threshold VTH for judging to see if the object is appropriate or not and outputs an alarm signal when the signal strength is equal to or more than the threshold VTH. At this time, the control part 4 extracts a signal that is regarded as a signal from a normal object out of signals from the detector 2, obtains the average of their strength, and determines the new threshold VTH based on the average. The new threshold VTH is used for the line scanning of a next object.