ETS 300 381 Ed.1 标准详情
- 标准号:ETS 300 381 Ed.1
- 中文标题:
- 英文标题:Telephony for hearing impaired people; Inductive coupling of telephone earphones to hearing aids
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期:
Defines characteristics and related methods of testing for amagnetic field generated by telephone terminals for coupling to hearing aids with magnetic pick-up coils. Applies to both analogue and digital telephony terminals.
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