IEC 61157:2007/COR1:2008

Corrigendum 1 - Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equipment

General Information

• Status: Published
• Publication Date: 11-Aug-2008
• ICS: 11.040.50 - Radiographic equipment
• ICS: 17.140.50 - Electroacoustics
• Technical Committee: TC 87 - Ultrasonics
• Current Stage: PPUB - Publication issued
• Start Date: 31-Jul-2008
• Completion Date: 12-Aug-2008

Relations

• Corrects: IEC 61157:2007 - Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equipment
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 61157
(Second edition – 2007)
Standard means for the reporting of the acoustic output
of medical diagnostic ultrasonic equipment

CORRIGENDUM 1
Page 6
3 Terms, definitions and symbols
3.7
beam axis
In the bracketed note on the origin of the definition, instead of:
[IEV 62127-1,definition 3.8 modified]
read:
[IEC 62127-1,definition 3.8 modified]
3.9
beamwidth midpoint
Delete the right bracket at the end of the note.
3.12
external transducer aperture
Replace “NOTE 1” with “NOTE”.
3.43
ultrasonic transducer element group dimensions
NOTE 2” and replace “NOTE 1” with “NOTE”.
Delete “
Page 15
Table 1 – List of symbols
Add the following symbol, term and reference:
f zero-crossing acoustic-working frequency IEC 62127-1
awf
Page 16
4 Requirements
4.1 General
nd
After the 2 bullet point, replace“NOTE” with “NOTE 1”.
th
After the 5 bullet point, replace“NOTE” with “NOTE 2”.
August 2008
Page 18
4.2.2 Detailed operating mode data sheets information format
nd
After the 2 paragraph,
...