A piezo cable is provided as an impact sensor, which allows up to four different measuring principles. In addition to the piezoelectric measurement, which causes a piezoelectric pulse in an impact, a capacitive measurement, an inductive measurement and a resistance measurement are possible.

 
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< Hearing system having an open chamber for housing components and reducing the occlusion effect

> Circuit-unit-combined speaker apparatus

> Asymmetric and continuously curved speaker driver enclosure to optimize audio fidelity

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