IEC - International Electrotechnical Commission - IEC 60118-4:1981/AMD1:1998

Amendment 1 - Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes

revised
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Organization: IEC - International Electrotechnical Commission
Publication Date: 5 June 1998
Status: revised
Page Count: 3
ICS Code (Electroacoustics): 17.140.50

Document History

Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
IEC 60118-4:2014+A1:2017 is applicable to audio-frequency induction-loop systems producing an alternating magnetic field at audio frequencies and intended to provide an input signal for hearing aids...
November 9, 2017
Amendment 1 - Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
A description is not available for this item.
December 11, 2014
Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
IEC 60118-4:2014 is applicable to audio-frequency induction-loop systems producing an alternating magnetic field at audio frequencies and intended to provide an input signal for hearing aids...
October 27, 2006
Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strength
Applies to audio-frequency induction loop systems producing an alternating magnetic field at audio frequencies and intended to provide an input signal for hearing aids operating with an induction...
IEC 60118-4:1981/AMD1:1998
June 5, 1998
Amendment 1 - Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes
A description is not available for this item.
January 1, 1981
Methods of measurement of electro-acoustical characteristis of hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes
Applies to audio-frequency induction loop systems producing an alternating magnetic field and intended to provide an input signal for hearing aids operating with an induction pick-up coil. Specifies...
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