Warning device
US9229153B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Mar 4, 2014 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Aug 2, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0096
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a warning device, which includes a housing; a bottom cover, an accommodation space is formed through the bottom cover being engaged with the housing; a first light guide plate formed with a plurality of first light guide strips; a second light guide plate formed with a plurality of second light guide strips, and the arranged direction of the plural second light guide strips is perpendicular to the arranged direction of the plural first light guide strips; a light source module installed with at least a LED; and a switch module installed with a printed circuit board, the printed circuit board is provided with a switch and a microcontroller, when the switch is pressed, the microcontroller drives the LED for enabling a plurality of pointy light sources to be formed and emitted through the first light guide plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.