PRETS 300 381-1993 标准详情
- 标准号:PRETS 300 381-1993
- 中文标题:
- 英文标题:Telephony For Hearing Impaired People - Inductive Coupling Of Telephone Earphones To Hearing Aids - Performance Requirements And Testing Methods
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期:
Specifies characteristics and related test methods for a magnetic field generated by telephone terminals for coupling to hearing aids with magnetic pick up coils. Applicable to both analogue and digital telephony terminals.
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