Invention Grant
- Patent Title: Helmet and apparatus for active noise suppression
- Patent Title (中): 头盔和主动噪声抑制装置
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Application No.: US12686799Application Date: 2010-01-13
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Publication No.: US08391530B2Publication Date: 2013-03-05
- Inventor: Andre Grandt , Manfred Kurbis
- Applicant: Andre Grandt , Manfred Kurbis
- Applicant Address: DE Wedemark
- Assignee: Sennheiser electronic GmbH & Co. KG
- Current Assignee: Sennheiser electronic GmbH & Co. KG
- Current Assignee Address: DE Wedemark
- Agency: Kilpatrick Townsend & Stockton LLP
- Priority: DE102009005302 20090116
- Main IPC: H04R25/00
- IPC: H04R25/00

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).
Public/Granted literature
- US20100183182A1 HELMET AND APPARATUS FOR ACTIVE NOISE SUPPRESSION Public/Granted day:2010-07-22
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