Invention Grant
- Patent Title: Manually switching dual-mode hearing protector
- Patent Title (中): 手动切换双模式听力保护器
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Application No.: US11586242Application Date: 2006-10-25
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Publication No.: US08130971B2Publication Date: 2012-03-06
- Inventor: Theodore J. Werner
- Applicant: Theodore J. Werner
- Agent Charles E. Baxley
- Main IPC: A61F11/06
- IPC: A61F11/06

Abstract:
A manually switching dual-mode hearing protector including an active hearing protection device that does not only provide for acoustic attenuation of ambient sound in order to protect hearing of a user in a noisy environment but in addition provides electro-acoustically bypassing of this acoustic attenuation function in order to provide the user with a communication function in order to enable the user to perceive speech signals even when wearing the manually switching dual-mode hearing protector in a noisy environment.
Public/Granted literature
- US20070154027A1 Manually switching dual-mode hearing protector Public/Granted day:2007-07-05
Information query
IPC分类: