Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 6135-4-2000
Scope
This standard applies to the alternating magnetic field generated by the audio induction loop, which provides an input signal to hearing aids using induction coils.
CNS 6135-4-2000 history
2000CNS 6135-4-2000 Hearing aids-Part4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes