Ultrasonic wave nebulizer driving circuit
US4318062A · kind A · utility
11Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1979 |
| Grant date | Mar 2, 1982 |
| Priority date | — |
| Expiry date | Jul 30, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B2201/77
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Voltage or current or power supplied to the piezo-electric vibrator of an ultrasonic nebulizer is sensed and used as negative feedback to stabilize oscillation in the oscillator driving circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.