Combination head-protective helmet and communications system
US5678205A · kind A · utility
23Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1994 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Dec 21, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/3866
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Combination head-protective helmet and communications system including a head-protective helmet and a flexible flame retardant earflap mounted removably to the helmet wherein a voice communications system including interconnected transceiver circuitry, microphone, speaker, battery and antenna is mounted on the earflap for quick and easy removal from the helmet with the earflap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.