VIBRATION SENSOR

To provide a vibration sensor capable of adjusting the frequency characteristics of a diaphragm during product assembly.SOLUTION: A vibration sensor includes a lower case with an open top, a middle case with an open bottom and a notch at its edge, which is housed in the lower case, a diaphragm whose...

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Bibliographische Detailangaben
Hauptverfasser:	HANAI TEI, MAEDA YUKITERU, TSUBOTA SHUHEI, JINBO YOSHINORI, TANAKA AKIHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	To provide a vibration sensor capable of adjusting the frequency characteristics of a diaphragm during product assembly.SOLUTION: A vibration sensor includes a lower case with an open top, a middle case with an open bottom and a notch at its edge, which is housed in the lower case, a diaphragm whose edge is sandwiched between the edges of the lower case and the middle case and fixed to the edge of the lower case or middle case with an adhesive injected from the notch, and a sensor that detects a change in pressure due to vibration of the diaphragm.SELECTED DRAWING: Figure 2 【課題】製品組立中に振動板の周波数特性の調整をすることができる振動センサを提供する。【解決手段】上面が開口された下ケースと、下面が開口されその縁に切り欠きを含み、下ケースに収容される中間ケースと、下ケースと中間ケースの縁にその辺縁を挟持され、切り欠きから注入された接着剤により下ケースまたは中間ケースの縁にその辺縁が固着される振動板と、振動板の振動による圧力変化を検出するセンサを含む。【選択図】図２