PRESSURE SENSOR

To provide a pressure sensor with a high S/N ratio and high sensitivity.SOLUTION: A pressure sensor includes a plurality of laminated sheet-like piezoelectric elements. The plurality of piezoelectric elements are divided into a plurality of element groups. In the element groups, the piezoelectric el...

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Bibliographische Detailangaben
Hauptverfasser:	KOSUGI MINEKO, SUZUKI YUKITOSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS PUBLIC ADDRESS SYSTEMS TESTING
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Beschreibung
Zusammenfassung:	To provide a pressure sensor with a high S/N ratio and high sensitivity.SOLUTION: A pressure sensor includes a plurality of laminated sheet-like piezoelectric elements. The plurality of piezoelectric elements are divided into a plurality of element groups. In the element groups, the piezoelectric elements are connected in series and the plurality of element groups are connected in parallel, or the piezoelectric elements are connected in parallel and the plurality of element groups are connected in series.SELECTED DRAWING: Figure 1 【課題】本発明は、Ｓ／Ｎ比が大きく、且つ高感度な圧力センサーを提供することを課題とする。【解決手段】本発明に係る圧力センサーは、積層されたシート状の複数の圧電素子を含み、前記複数の圧電素子が、複数の素子グループに分けられ、前記素子グループ内で前記圧電素子が直列に接続されると共に前記複数の素子グループが並列に接続、又は前記素子グループ内で前記圧電素子が並列に接続されると共に前記複数の素子グループが直列に接続される。【選択図】図１