Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1989-01-24
1990-02-27
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
73170R, 73171, 73DIG4, 310329, 310800, 310339, 340602, H01L 4108
Patent
active
049048945
ABSTRACT:
A hail sensor is disclosed which contains a piezoelectric transducer positioned to produce an output signal when it is vibrated by a hailstone. In one embodiment, the transducer is mounted on a perforated member which is exposed to falling precipitation. In an alternative embodiment, the hailstone impacts a rebound surface and is deflected toward the transducer where an electrical output is produced.
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Henry John C.
Park Kyung Tae
Tom Edward
Budd Mark O.
Pennwalt Corporation
Plantz Bernard F.
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