Essays about: "hörselskydd"

Found 4 essays containing the word hörselskydd.

  1. 1. Attenuation AND awareness? : Designing a method for measuring accuracy and certainty of sound identification when wearing a HPD

    University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik och samhälle

    Author : Markus Ahlberg; [2020]
    Keywords : Industrial design engineering; method design; sound identification; situational awareness; hearing protection devices; noise pollution; level-dependent function; Teknisk design; metoddesign; ljudidentifikation; situationsmedvetenhet; hörselskydd; buller; bullerföroreningar; nivåberoende funktion;

    Abstract : Noise pollution is widespread in today’s society, from traffic to industrial sources, and many people are confined to unhealthy acoustic environments through their employment. When noise cannot be eliminated at the sound source, the protective measure is usually to equip the employee with hearing protection devices (HPDs), e.g. READ MORE

  3. 2. Investigation of design criteria for self-propelled mortar regarding sound pressure levels

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Simon Hallin; [2013]
    Keywords : Mortar; sound pressure measurements; ear protectors; granatkastare; ljudtrycksmätning; hörselskydd;

    Abstract : Behovet av en mer mobil granatkastare har resulterat i en utredning av möjliga koncept som sedan ska gallras bort och resultera i en investering i ett nytt fordonsmonterat granatkastarsystem. Denna rapport beskriver utredningen av en potentiell risk med ett av de potentiella koncepten. READ MORE

  4. 3. Personal Warning Systems of Forklifts in an Industrial Environment

    University essay from Akademin för innovation, design och teknik

    Author : Per Spaak; [2011]
    Keywords : ;

    Abstract : I have in this report studied the problem of losing awareness when using pro- tective earmuffs in noisy industrial environments. Losing awerness can lead to smal and major injuris, but also to fatalities. In this essay I have presented a potential solution to this problem and also a prototype. READ MORE

  5. 4. Aktiva headset

    University essay from Blekinge Tekniska Högskola/Institutionen för signalbehandling

    Author : Stefan Karlsson; [1996]
    Keywords : headsets; noice cancelling technique;

    Abstract : This Master thesis report describes how hearing protectors can give higher attentuation to low-frequency noise when using electronic filter and active noise cancelling technique. The method described is a feedback coupling by a digital or analog filter. READ MORE