Circuit and method for exciting a micro-machined transducer to have low second order harmonic transmit energy
US6292435A · kind A · utility
27Cited by
8References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Mar 8, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B2201/76
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A circuit and method for predistorting an input pulse to a micro-machined ultrasonic transducer (MUT) compensates for non-linearities in the transducer, thus allowing the transducer to provide a compensated output pressure wave having a low second order harmonic transmit energy. In another aspect of the invention, the output power of a MUT may be controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.