Piezoelectric transducer
US5122993A · kind A · utility
41Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1991 |
| Grant date | Jun 16, 1992 |
| Priority date | — |
| Expiry date | May 29, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/0625
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A piezoelectric transducer having plural piezoelectric transducer elements which can generate mechanical vibrations converging substantially on one point. The transducer is formed to control the convergent point by insulating piezoelectric transducer elements mechanically, arranging them concentrically and driving them independently and separately from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.