电声学 -环标网

已选条件： 电声学

国家：

标准状态：

每页显示20 条，共找到 1855 条结果 <1/93>

标准编号	标准名称	发布部门	发布日期	状态
AS ISO 389.1-2007	Acoustics - Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones	Standards ..	2020-01-30	现行
BS EN 61157:2007+A1:2013	Standard Means For The Reporting Of The Acoustic Output Of Medical Diagnostic Ultrasonic Equipment	British St..	2019-07-01	现行
I.S. EN 61157:2007	Standard Means for the Reporting of the Acoustic Output of Medical Diagnostic Ultrasonic Equipment (iec 61157:2007 (eqv))	National S..	2019-07-01	现行
IEC 60601-2-37 Ed. 2.1	Medical electrical equipment Part 2-37: Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic and monitoring equipment	Internatio..	2019-07-01	现行
I.S. EN IEC 60942:2018	Electroacoustics - Sound Calibrators	National S..	2018-03-27	现行
JIS C 1509-2:2018	Electroacoustics - Sound Level Meters - Part 2: Pattern Evaluation Tests	Japanese S..	2018-03-20	现行
IEC 60942 Ed. 4.0	Electroacoustics - Sound calibrators	Internatio..	2017-11-29	现行
IEC 62489-1 Amd.2 Ed. 1.0	Amendment 2 - Electroacoustics - Audio-frequency induction loop systems for assisted hearing Part 1: Methods of measuring and specifying the performance of system components	Internatio..	2017-11-27	现行
IEC 62489-1 Ed. 1.2	Electroacoustics - Audio-frequency induction loop systems for assisted hearing Part 1: Methods of measuring and specifying the performance of system components	Internatio..	2017-11-27	现行
IEC 60118-4 Amd.1 Ed. 3.0	Amendment 1 - Electroacoustics - Hearing aids Part 4: Induction-loop systems for hearing aid purposes - System performance requirements	Internatio..	2017-11-09	现行
IEC 60118-4 Ed. 3.1	Electroacoustics - Hearing aids Part 4: Induction-loop systems for hearing aid purposes - System performance requirements	Internatio..	2017-11-09	现行
I.S. EN 60645-1:2017	Electroacoustics - Audiometric Equipment Part 1: Equipment for Pure-tone and Speech Audiometry	National S..	2017-10-24	现行
KS C IEC 60601-2-37:2017	Medical electrical equipment - Part 2-37:Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic and monitoring equipment	Korean Sta..	2017-09-29	废止
JIS C 1509-1:2017	Electroacoustics - Sound Level Meters - Part 1: Specifications	Japanese S..	2017-09-20	现行
KS C IEC 60118-15:2017	Electroacoustics — Hearing aids — Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal	Korean Sta..	2017-08-29	废止
KS C IEC 60318-3:2017	Electroacoustics — Simulators of human head and ear — Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry	Korean Sta..	2017-08-29	废止
KS C IEC 60318-6:2017	Electroacoustics — Simulators of human head and ear — Part 6: Mechanical coupler for the measurement of bone vibrators	Korean Sta..	2017-08-29	废止
KS C IEC 60645-5A:2017	Electroacoustics — Audiometric equipment — Part 5:Instruments for the measurement of aural acoustic impedance/admittance	Korean Sta..	2017-08-29	废止
KS C IEC 60118-4:2017	Hearing aids - Part 4:Magnetic field strength in audio - frequency induction loops for hearing aid purposes	Korean Sta..	2017-08-29	废止
KS C IEC 60318-1:2017	Electroacoustics — Simulators of human head and ear — Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones	Korean Sta..	2017-08-29	废止

全选

首页上一页12 3 4 5 6 ...下一页尾页