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2019
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Invention
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Acoustic filter with enhanced valve stroke. An acoustic filter (100) comprises a filter housing (... |
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Invention
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Acoustic filter with attenuation control. NNN10N123NNN1,2231223NN) of the sound in decibels. |
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2018
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Invention
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Ambient filter |
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2017
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Invention
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Earplug and method for attenuating sound. An earplug (100) and method for attenuating sound (S). ... |
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Invention
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Ear plug |
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2016
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Invention
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Acoustic filter and method of manufacturing. An injection moulded acoustic filter (10) comprising... |
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2015
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Invention
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Acoustic valve and ear plug for hearing protection. The present disclosure concerns an acoustic v... |
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2014
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Invention
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Method and system for testing a mould shape quality of a user-customized ear mould. c); measuring... |
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Invention
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Method and system for testing a mould shape quality of a user-customized ear mould. The present d... |
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2013
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Invention
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Audio listening device and method of audio playback. There is provided an audio listening device ... |
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2010
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Invention
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Ear protector with a sound damping filter, sound damping filter for such an ear protector as well... |
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Invention
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Ear protector with an acoustic damping filter for hearing protection as well as filter housing fo... |
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2007
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Invention
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Earplug for insertion into an auditory duct. An earplug is described for insertion in an auditory... |
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Invention
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Earplug for insertion into an auditory duct. An earplug for insertion in an auditory duct, compri... |
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2004
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Invention
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Earplug. Earplug comprising a plug member for blocking a man's ear canal, said plug member compri... |
