Domestic microwave oven operating anomaly e.g. no-load operation, detecting method, involves analyzing signal on period, detecting oven`s no-load operation if signal is equal to value, and detecting blocking of dish if signal has profile

The method involves recording a signal of a sensor (12) e.g. ultrasonic sensor, to measure distance between an obstacle and the sensor that is mounted in a lateral wall (13) of a cavity (10) of a domestic microwave oven. The recorded signal is analyzed on a time period. Operating anomaly of the oven...

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Main Author VANHULLE FAUSTINE
Format Patent
LanguageEnglish
French
Published 02.11.2007
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Abstract The method involves recording a signal of a sensor (12) e.g. ultrasonic sensor, to measure distance between an obstacle and the sensor that is mounted in a lateral wall (13) of a cavity (10) of a domestic microwave oven. The recorded signal is analyzed on a time period. Operating anomaly of the oven are detected from analysis result. A no-load operation of the oven is detected if the recorded signal is constant and equal to a value corresponding to distance of the sensor to the wall. The blocking of a dish on a rotating plate (11) is detected if the recorded signal has a variable profile. Un procédé de détection d'une anomalie de fonctionnement d'un four à micro-ondes comprend les étapes suivantes :- enregistrement d'un signal d'un capteur (12) adapté à mesurer une distance entre le capteur (12) et un obstacle, le capteur (12) étant monté dans une paroi (13) de la cavité (10) du four à micro-ondes ;- analyse du signal enregistré sur une période de temps prédéterminée ; et- détection d'une anomalie de fonctionnement à partir du résultat de l'analyse.Utilisation pour détecter le fonctionnement à vide du four à micro-ondes ou le blocage d'un plat sur un plateau tournant (11).
AbstractList The method involves recording a signal of a sensor (12) e.g. ultrasonic sensor, to measure distance between an obstacle and the sensor that is mounted in a lateral wall (13) of a cavity (10) of a domestic microwave oven. The recorded signal is analyzed on a time period. Operating anomaly of the oven are detected from analysis result. A no-load operation of the oven is detected if the recorded signal is constant and equal to a value corresponding to distance of the sensor to the wall. The blocking of a dish on a rotating plate (11) is detected if the recorded signal has a variable profile. Un procédé de détection d'une anomalie de fonctionnement d'un four à micro-ondes comprend les étapes suivantes :- enregistrement d'un signal d'un capteur (12) adapté à mesurer une distance entre le capteur (12) et un obstacle, le capteur (12) étant monté dans une paroi (13) de la cavité (10) du four à micro-ondes ;- analyse du signal enregistré sur une période de temps prédéterminée ; et- détection d'une anomalie de fonctionnement à partir du résultat de l'analyse.Utilisation pour détecter le fonctionnement à vide du four à micro-ondes ou le blocage d'un plat sur un plateau tournant (11).
Author VANHULLE FAUSTINE
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DocumentTitleAlternate PROCEDE DE DETECTION D'UNE ANOMALIE DE FONCTIONNEMENT ET FOUR A MICRO-ONDES ASSOCIE
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Snippet The method involves recording a signal of a sensor (12) e.g. ultrasonic sensor, to measure distance between an obstacle and the sensor that is mounted in a...
SourceID epo
SourceType Open Access Repository
SubjectTerms ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
Title Domestic microwave oven operating anomaly e.g. no-load operation, detecting method, involves analyzing signal on period, detecting oven`s no-load operation if signal is equal to value, and detecting blocking of dish if signal has profile
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