A stress wave sensor (1) comprising a piezoelectric film (28) and means therein (50) for connection to sensor electronics (42). The piezoelectric film (28) preferably comprises polyvinylidene fluoride. Also a stress wave sensor system and methods employing one or more such stress wave sensors, preferably attached to a vehicle transparent component, most preferably to the vehicle windshield (12).
申请公布号
WO03062780(A1)
申请公布日期
2003.07.31
申请号
WO2003US01603
申请日期
2003.01.16
申请人
ADVANCED SAFETY CONCEPTS, INC.;KITHIL, PHILIP, W.;NOVAK, JAMES, L.