Flashing lamp unit
US4654562A · kind A · utility
5Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1984 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | Dec 21, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S315/05
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flashing lamp unit comprising a fluorescent lamp, an ionization electrode in close proximity to the lamp, and an electrical means for exciting the lamp and ionization electrode to cause the lamp to flash. In one embodiment, the lamp is torroidal in shape, the ionization electrode is arc-shaped and abuts the lamp, and an optical scanning device peers through the center space of the lamp so that the lamp provides a substantially uniform illuminated field for viewing by the scanning device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.