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  • AS 60118.4-2007

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Hearing aids Magnetic field strength in audiofrequency induction loops for hearing aid purposes

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Withdrawn date:  24-08-2022

    Language(s):  English

    Published date:  20-02-2007

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    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 - (Show below) - (Hide below)

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

    General Product Information - (Show below) - (Hide below)

    Committee AV-003
    Document Type Standard
    Product Note Pending Revision indicates that as a result of the Aged Standards review process, the document needs updating. If no project proposal, meeting the quality criteria, is received within the 12 month timeframe, the document shall be withdrawn.
    Publisher Standards Australia
    Status Withdrawn
    Supersedes

    History - (Show below) - (Hide below)

    Originated as AS 1088-1971.Previous edition AS 1088.4-1987.Revised and redesignated as AS 60118.4-2007. Originated as AS 1088-1971. Previous edition AS 1088.4-1987. Revised and redesignated as AS 60118.4-2007.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS IEC 61672.1-2004 Electroacoustics - Sound level meters Specifications
    AS IEC 61672.2-2004 Electroacoustics - Sound level meters Pattern evaluation tests

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 1428.5-2010 Design for access and mobility Communication for people who are deaf or hearing impaired (Reconfirmed 2016)
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