Corona device
US4514781A · kind A · utility
19Cited by
2References
8Claims
0Family size
Inventors
Key dates
| Filing date | Jun 10, 1983 |
| Grant date | Apr 30, 1985 |
| Priority date | — |
| Expiry date | Jun 10, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0291
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a support member which carries at least one axially aligned corona electrode, and a conductive biasing member wrapped around both the support member and the electrode. The biasing member is preferably a wire wrapped about the support and electrode to form a coil and preferably there are four electrodes. A conductor extends the length of the coil to ensure continuity should the biasing member fail locally.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.