Số hiệu tiêu chuẩn
IEC 60118-4 AMD 1*CEI 60118-4 AMD 1
Tên tiêu chuẩn
Hearing aids - Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes; Amendment 1
Ngày phát hành
1998-06-00
Tiêu chuẩn tương đương
DIN EN 60118-4 (1999-08), IDT * EN 60118-4/A1 (1998-08), IDT * NF C97-624/A1 (1998-12-01), IDT * SN EN 60118-4/A1 (1998-08), IDT * OEVE EN 60118-4/A1 (1998-10-02), IDT * PN-EN 60118-4 (2002-09-15), IDT * PN-EN 60118-4 (2003-04-30), IDT * SS-EN 60118-4 A 1 (1998-11-27), IDT * UNE-EN 60118-4/A1 (2001-06-15), IDT * CSN EN 60118-4 (1999-06-01), IDT * NEN-EN-IEC 60118-4:1998/A1:1998 en;fr (1998-09-01), IDT
Thay thế cho
IEC 29/401/FDIS (1998-03)
Từ khóa
Acoustics * Audiofrequencies * Audiometry * Electrical engineering * Electroacoustics * Electromagnetic induction * Electromagnetism * EMC * Field strength (electric) * Frequencies * Hearing aids * Induction * Induction loops * Languages * Magnetic field measurement * Magnetic field strength * Magnetic fields * Magnetism * Measurement * Measuring techniques * Radiotelephony * Voice frequency
IEC 60118-4 AMD 1*CEI 60118-4 AMD 1
.png)
.jpg){kind=logo}
.jpg){kind=logo}
-_-logo.png){kind=logo}
