Cylindrical bender-type vibration transducer
US4525645A · kind A · utility
36Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1983 |
| Grant date | Jun 25, 1985 |
| Priority date | — |
| Expiry date | Oct 11, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/0655
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An acoustic transducer with high sensitivity and low resonance frequency is constructed of a cylinder having inner and outer layers rigidly bonded together. At least one layer is a thickness poled piezoelectric material. The cylinderical can be closed by end caps to shift nodal locations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.