Static electricity eliminating mechanism for camera
US4737809A · kind A · utility
9Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 24, 1986 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Nov 24, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05F3/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A mechanism for eliminating static electricity for a camera in which the static electricity charge on a photographic film or a magnetic tape is led to a grounding part formed on a camera body through a guide roller means made of electrically conductive material which is constantly pressed, while rotating, into contact with the photographic film or the magnetic tape which is wound up onto a winding spool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.