Số hiệu tiêu chuẩn
IEC 60118-4*CEI 60118-4
Tên tiêu chuẩn
Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - System performance requirements
Ngày phát hành
2014-12-00
Tiêu chuẩn tương đương
BS EN 60118-4 (2015-02-28), IDT * EN 60118-4 (2015-02), IDT * NF C97-624 (2015-04-04), IDT * DS/EN 60118-4 (2015-03-19), IDT * NEN-EN-IEC 60118-4:2015 en (2015-03-01), IDT
Tiêu chuẩn liên quan
IEC 60268-3 (2013-04) * IEC 60268-10 (1991-03) * IEC 61672-1 (2013-09) * IEC 62489-1 (2010-01)
Từ khóa
Acoustics * Audiofrequencies * Audiometry * Definitions * Electrical engineering * Electroacoustics * Electromagnetic induction * Electromagnetism * EMC * Field strength (electric) * Frequencies * Hearing aids * Induction * Induction loops * Interfering noise * Languages * Magnetic field measurement * Magnetic field strength * Magnetic fields * Magnetism * Measurement * Measuring techniques * Noise levels * Radiotelephony * Specification (approval) * Voice frequency