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Surface-mounted collision sensor, and method for collision detection
专利权人:
发明人:
Stefan Sattler,Stefan Schuster
申请号:
US14326848
公开号:
US09691966B2
申请日:
2014.07.09
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An apparatus assembly of a medical apparatus is equipped for collision detection by attaching a polyvinylidene fluoride (PVDF) cover assembly to at least one rigid surface of the apparatus assembly, with a resilient material between the PVDF cover assembly and the rigid surface. The PVDF assembly is composed of a PVDF foil with electrically conductive layers on opposite sides thereof. A protective layer covers the PVDF cover assembly. Electrical leads are connected to the conductive layers, and the piezoelectric property of the PVDF foil produces a voltage across the leads when a force associated with a collision acts on the PVDF foil. A detection circuit detects this voltage and initiates an appropriate response to the collision.
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