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 - Magnetic field strength
Ngày phát hành
2006-10-00
Tiêu chuẩn tương đương
DIN EN 60118-4 (2007-08), IDT * BS EN 60118-4 (2007-01-31), IDT * GB/T 25102.4 (2010), IDT * EN 60118-4 (2006-12), IDT * NF C97-624 (2007-03-01), IDT * OEVE/OENORM EN 60118-4 (2007-09-01), IDT * PN-EN 60118-4 (2007-03-27), IDT * PN-EN 60118-4 (2007-12-20), IDT * SS-EN 60118-4 (2007-02-26), IDT * UNE-EN 60118-4 (2007-06-27), IDT * STN EN 60118-4 (2007-05-01), IDT * CSN EN 60118-4 ed. 2 (2007-07-01), IDT * DS/EN 60118-4 (2007-01-29), IDT * NEN-EN-IEC 60118-4:2007 en;fr (2007-01-01), IDT
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