IEC 60118-4:1981/AMD1:1998
Amendment 1 - Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes

Standard No.
IEC 60118-4:1981/AMD1:1998
Release Date
1970
Published By
SCC
Status
 2014-12
Replace By
IEC 60118-4:2006
Latest
IEC 60118-4:2014/AMD1:2017
Replace
17.140.50

IEC 60118-4:1981/AMD1:1998 history

  • 2017 IEC 60118-4:2014/AMD1:2017 Amendment 1 - Electroacoustics - Hearing aids - Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
  • 2014 IEC 60118-4:2014 Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - System performance requirements
  • 2006 IEC 60118-4:2006 Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strength
  • 1970 IEC 60118-4:1981/AMD1:1998 Amendment 1 - Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes
  • 1981 IEC 60118-4:1981 Hearing aids. Part 4 : Magnetic field strength in audio-frequency induction loops for hearing aid purposes



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