JPS548993A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Diced transducer
Assignee: NEC Corp
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Filing: 1977-06-22
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Granted: —
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Expires: 1997-06-22
Abstract
Abstract PURPOSE:To eliminate a complex process such as fabrication of a manufactured unit vibrator, and to suppress unneeded vibration near a resonance point, by fitting rubber or an insulating substance small in mechanical Q such as organic resin into cut grooves provided into a chessboard shape in the thickness direction on a longitudinal plate piezo-electric vibrator.
Inventors
- 👤 Sadayuki Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-03 11:56
CPC Classifications
H; H04; H04R; H04R17/00
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