Table of Contents

1 -  AS 60118.4-2007 Hearing aids Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes
4 -  PREFACE
5 -  CONTENTS
7 -  Introduction
8 -  1 Scope
8 -  2 Object
8 -  3 Explanation of terms
8 -  3.1 Recommended average value for magnetic field strength
8 -  3.2 Maximum magnetic field strength
8 -  3.3 Specified magnetic field area
8 -  3.4 Specified vector component of the magnetic field strength
8 -  3.5 Specified frequency response of the magnetic field
9 -  4 Recommended magnetic field strength
9 -  4.1 Recommended average value for magnetic field strength in the specified magnetic field area
9 -  4.2 Recommended frequency response of the magnetic field
9 -  5 Interference
9 -  5.1 Interference to other equipment
9 -  5.2 Environmental audio- frequency magnetic background fields

Abstract

Adopts IEC 60118-4 to provide an input signal for hearing aids operating with an induction pickup coil.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards Australia
Pages
ISBN
Committee	AV-003
Supersedes	DR 06469 AS 1088.4-1987