Recognition award, personnel identification holder and/or personnel unit for attachment to hardhats, protective helmets or the like
US8193940B2 · kind B2 · utility
4Cited by
15References
15Claims
0Family size
Inventors
Key dates
| Filing date | Sep 24, 2009 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Aug 31, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/0461
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A signal device is provided for identifying and communicating a location or hazard, concealed within a housing on a hard hat having a pocket. Further provided is a detachable housing to be placed in the pocket. Embodiments incorporate a speaker for audible identification, a light emitting diode (LED) for visual identification and a global positioning sensor (GPS) for identifying the wearer's location and various circuits and systems that utilize the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.