Invention Grant
US08391530B2 Helmet and apparatus for active noise suppression 有权
头盔和主动噪声抑制装置

Helmet and apparatus for active noise suppression
Abstract:
There is provided a safety helmet (1) having an outer helmet shell (2), shock-absorbing material (3) and an electroacoustic transducer (5) for the delivery of a sound signal. The shock-absorbing material (3) has an outside (4) and is arranged within the outer helmet shell (2) with the outside (4) adjacent to the outer helmet shell (2). The electroacoustic transducer (5) is arranged in that case at the outside (4) of the shock-absorbing material (3).
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