Use of a fluid flow measuring device as a microphone and...

H - Electricity – 04 – R

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H04R 23/00 (2006.01) G01F 1/684 (2006.01) G01F 1/688 (2006.01) G01F 1/696 (2006.01) G01F 1/708 (2006.01) G01P 5/10 (2006.01) G01P 13/04 (2006.01) G05F 3/26 (2006.01)

Patent

CA 2193956

Use of a fluid flow measuring device as a microphone for detecting acoustic waves, said fluid flow measuring device comprising at least one heating element (H), at least a first temperature sensor (S1) arranged at a first predetermined spacing (r1) from the heating element (H), for generation of a first electrical signal which corresponds to the temperature (T1) of the first temperature sensor (S1), wherein the predetermined first spacing (r1) is less than 300 µm.

Utilisation d'un dispositif de mesure du débit d'un fluide à titre de microphone pour la détection d'ondes acoustiques. Ledit dispositif de mesure du débit d'un fluide comporte au moins un élément chauffant (H), et au moins un premier capteur de température (S1) séparé de l'élément chauffant (H) par une première distance prédéterminée (r1), et destiné à produire un premier signal électrique correspondant à la température (T1) du premier capteur de température (S1), ladite première distance prédéterminée (r1) étant inférieure à 300 µm.

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