BS 6083-4(1981) : 1981被替代
HEARING AIDS - SPECIFICATION FOR MAGNETIC FIELD STRENGTH IN AUDIO FREQUENCY INDUCTION LOOPS FOR HEARING AID PURPOSES
出版：British Standards Institution
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基本信息
標準編號： BS 6083-4(1981) : 1981
發布時間：1981/1/1 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：8
標準簡介
Gives a standard value of magnetic field strength in audio frequency induction loops for hearing aid purposes, to give an adequate signal to noise ratio without overloading the hearing aid. Suitable for audio frequency induction loop systems producing an alternating magnetic field giving an input signal for hearing aids operating with an induction pick up coil.
替代本標準的新標準
等同采用的國際標準
IEC 60118-4 : 3.1 - Similar to
