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US 2017/0284858 A1Published application
Acoustic sensor
AssigneeOSRAM GmbH
InventorsStefan Gschloessl, Karsten Diekmann, Steven Rossbach, Thorsten Vehoff, Nina Riegel, Norbert Haas
Life of this patent
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Abstract
An acoustic sensor includes a layer sequence which can be caused to vibrate, and at least one detection element which is in mechanical contact with the layer sequence and is designed to convert vibrations into electrical signals. The layer sequence is a radiation-emitting layer sequence.
Claims15
An acoustic sensor, comprising:
- a layer sequence which can be caused to vibrate, and
- at least one detection element which is in mechanical contact with the layer sequence and is designed to convert vibrations into electrical signals,
- wherein the layer sequence is a radiation-emitting layer sequence.
A method of operating an acoustic sensor, the method comprising:
- providing a radiation-emitting layer sequence as a layer sequence;
- and
- causing the radiation-emitting layer sequence to vibrate in an acoustic sensor.
Dependencies are inferred from the claim text.