Traffic police baton with means to indicate the direction in the night
US5081568A · kind A · utility
94Cited by
3References
2Claims
0Family size
Inventors
Key dates
| Filing date | May 28, 1991 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | May 28, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A traffic police baton, comprising a light transmitting cylinder which has a corrugated inner wall covered with a layer of light dispersive film, a circuit board assembly fastened in said light transmitting cylinder which has a plurality of high light intensity of light emitting diodes connected together and longitudinally aligned, and a control circuit to control saidd high light intensity of light emitting diodes to flash in sequence according to predetermined setting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.