CEI EN 60118-4 : 2016現行
ELECTROACOUSTICS - HEARING AIDS - PART 4: INDUCTION-LOOP SYSTEMS FOR HEARING AID PURPOSES - SYSTEM PERFORMANCE REQUIREMENTS
出版：Comitato Elettrotecnico Italiano
專家解讀視頻
基本信息
標準編號： CEI EN 60118-4 : 2016
發布時間：2016/1/1 0:00:00
標準類別：Standard
出版單位：Comitato Elettrotecnico Italiano
標準頁數：60
標準簡介
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).
本標準替代的舊標準
等同采用的國際標準
IEC 60118-4 : 3.1 - Identical
