Static electricity indicator
US4208629A · kind A · utility
1Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1978 |
| Grant date | Jun 17, 1980 |
| Priority date | — |
| Expiry date | May 8, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R29/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The subject invention relates to an indicator device sensitive to small as well as high concentrations of electrostatic charges, the indicator comprising a transparent housing composed of an electrically insulating material and a plurality of articles confined within said housing, said articles having a thin metallic surface such as silver coated upon a low density core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.