Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2011-01-25
2011-01-25
SanMartin, J. (Department: 2837)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S323120, C310S325000
Reexamination Certificate
active
07876030
ABSTRACT:
An ultrasonic transducer includes: piezoelectric elements; a pair of clamping members which clamp said piezoelectric elements; and a cover member which is crimped to at least one of said pair of clamping members in a state where said cover member cooperates with said pair of clamping members to surround said piezoelectric elements.
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Kawaji Hiroyuki
Kimura Wataru
Onoda Mitsugu
Sato Naohito
Taki Hideaki
NGK Spark Plug Co. Ltd.
SanMartin J.
Sughrue & Mion, PLLC
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