WIRELESS COMMUNICATION SYSTEMS FOR MASKS OR HELMETS
摘要
Various types of wireless communication systems for masks or helmets can be mounted externally or internally on a mask. Different types of microphones can be employed, for example, a bone-conducting microphone or a directional microphone. Ear speakers mounted at various locations on the mask or helmet can be employed. Wireless communication is with a transciever mounted in or on a lapel unit, a walkie-talkie, or at a remote location.
申请公布号
WO2005046068(A3)
申请公布日期
2005.08.25
申请号
WO2004US36652
申请日期
2004.11.04
申请人
AUDIOPACK TECHNOLOGIES, INC.;BIRLI, JOSEPH;SKILLICORN, GREG;CLAYPOOLE, GARY