Bicycle luminaire
US5128840A · kind A · utility
9Cited by
3References
4Claims
0Family size
Inventors
Key dates
| Filing date | Jul 6, 1990 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Jul 6, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/1846
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A bicycle luminaire has first permanent magnets on spokes of a bicycle wheel, and a detection unit fixed to a stationary portion of the bicycle. The detection unit has a second permanent magnet, a Wiegand wire and a sensing coil. In place of the first magnets, Wiegand wires can be disposed on the spokes, and the detection unit can be formed with two magnets and sensing coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.