COMMUNICATION UNIT FOR WORK SITE

摘要

PROBLEM TO BE SOLVED: To provide a communication unit for transmitting / receiving clear voice through wireless communication between both communication parties resident under noisy environment.

SOLUTION: In a helmet 1 or a headset provided with a receiver 3 and a transmitter 4 connected to a communication terminal 2 such as a mobile phone, a PHS terminal, and a mobile wireless communication terminal, a noise cancel means for silencing surrounding noise is respectively provided to the receiver 3 and the transmitter 4. A person wearing the helmet 1 or the headset transmits only voice of a transmitter side by eliminating the surrounding noise of the transmitter side and another person wearing the helmet 1 or the headset hears the received voice in a state of eliminating the surrounding noise at a receiver side, and the parties wearing the helmet 1 or the headset both resident in noisy environment transmit / receive clear voice to make understandable conversation with each other.

COPYRIGHT: (C)2005,JPO&NCIPI