发明名称 SYSTEM FOR FORMING A HEARING PROTECTOR, EAR CUP IN SUCH A SYSTEM, AND HEARING PROTECTOR FORMED BY SUCH A SYSTEM
摘要 A system for forming hearing protectors, an ear cup of such a system and a hearing protector formed from such a system. The system includes a number of first ear cups and a number of second ear cups, the first and second ear cups having noise-reducing spaces of different size, and at least one electronic unit with at least one speaker. This system allows the same type of electronic unit to be used for ear cups with different degrees of noise attenuation.
申请公布号 EP2111199(A4) 申请公布日期 2010.01.20
申请号 EP20080705262 申请日期 2008.02.06
申请人 MSA SORDIN AB 发明人 ROOS, ANDERS;BIRGERSSON, JOAKIM;DAVIDSSON, HAAKAN
分类号 A61F11/14;H04R1/10 主分类号 A61F11/14
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