ES 200 381-1 : 1.2.1
Current
The latest, up-to-date edition.
TELEPHONY FOR HEARING IMPAIRED PEOPLE; INDUCTIVE COUPLING OF TELEPHONE EARPHONES TO HEARING AIDS; PART 1: FIXED-LINE SPEECH TERMINALS
Hardcopy , PDF
English
Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
4 Introduction
5 Requirements
6 The probe coil
7 Test procedures
Annex A (normative) - Packaging, labelling and user
instructions
Annex B (informative) - Step-by-step measurement procedures
Annex C (informative) - Symbol indicating facilities for the
hearing impaired
Annex D (normative) - Calibration of the probe coil
Annex E (informative) - Components of the inductive field
Annex F (informative) - Bibliography
History
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