NORMSERVIS s.r.o.

STN ETS 300381 (870381)

Telephony for hearing impaired people. Inductive coupling of telephone earphones to hearing aids

STANDARD published on 1.8.1998

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The information about the standard:

Designation standards: STN ETS 300381
Classification mark: 870381
Catalog number: 72579
Publication date standards: 1.8.1998
The number of pages: 1
Approximate weight : 3 g (0.01 lbs)
Country: Slovak technical standard
Category: Technical standards STN

Annotation of standard text STN ETS 300381 (870381):

Táto norma špecifikuje spôsob elektromagnetickej väzby medzi elektromagnetickým slúchadlom telefónneho prístroja a kompeznačnou pomôckou z hľadiska linearity.