DS EN 60118-4:2015现行
Electroacoustics - Hearing Aids - Part 4: Induction-Loop Systems For Hearing Aid Purposes - System Performance Requirements
出版：Danish Standards
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基本信息
标准编号： DS EN 60118-4:2015
发布时间：2015/3/19 0:00:00
标准类别：Standard
出版单位：Danish Standards
标准页数：59
标准简介
Pertains to audio-frequency induction-loop systems producing an alternating magnetic field at audio frequencies and intended to provide an input signal for hearing aids operating with an induction pick-up coil (telecoil).
标准备注
2007 Edition is still active and will be withdrawn on 15-01-2018. (03/2015)
本标准替代的旧标准
