Ultrasonic generator with a piezoelectric converter
US5121023A · kind A · utility
12Cited by
9References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1990 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Jul 16, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B2201/76
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In an ultrasonic generator the driver circuit of a piezoelectric converter is provided with a switching regulator under control of a microcomputer, the pulse duty factor and frequency of the switching regulator being controlled in response to the converter's impedance which is detected by means of a measuring circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.