GB 4505-1984
Abolished
YY/T 0457.4-2003
Active
Industry standards-Medicine
YY/T 0457.4-2003 Medical electrical equipment—Characteristics of electro-optical X-ray image intensifiers—Part 4:Determination of the image distortion
YY/T 0457.4-2003 Medical electrical equipment—Characteristics of electro-optical X-ray image intensifiers—Part 4:Determination of the image distortion
Basic Information
Standard Code:
YY/T 0457.4-2003
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Medical radiation equipment
ICS Name:
X-ray imaging equipment
Publish Date:
2003-06-20
Implement Date:
2004-01-01
Pages:
10 pages
Scope
This part of YY/T 0457 is applicable to photoelectric X-ray image intensifiers used as components of medical diagnostic X-ray equipment. This part describes the method of measuring the image distortion of X-ray image intensifiers.
Development Information
Same series standard
YY/T 0457.1-2003 Medical electrical equipment—Characteristics of electro-optical X-ray image intensifiers—Part 1:Determination of the entrance field size
YY/T 0457.2-2003 Medical electrical equipment—Characteristics of electro-optical X-ray image intensifiers—Part 2:Determination of the conversion factor
YY/T 0457.3-2003 Medical electrical equipment—Characteristics of electro-optical X-ray image intensifiers—Part 3:Determination of the luminance distribution and luminance non-uniformity
YY/T 0457.5-2003 Medical electrical equipment—Characteristics of electro-optical X-ray image intensifiers—Part 5:Determination of the detective quantum efficiency
YY/T 0457.6-2003 Medical electrical equipment—Characteristics of electro-optical X-ray image intensifiers—Part 6:Determination of the contrast ratio and veiling glare index
YY/T 0457.7-2003 Medical electrical equipment—Characteristics of electro-optical X-ray image intensifiers—Part 7:Determination of the modulation transfer function
Referenced Standards
IEC 60788:1994
Adopt standards
IEC 61262-4:1994
Related Standards
GB 5579-1985
Abolished
GB 5579-1985 High-voltage cable plug and socket connections for medical X-ray equipment
GB 5665-1985
Abolished
GB 5665-1985 General specification for mechanical units of medical diagnostic X-ray equipment
GB 10151-1988
Abolished
GB 10151-1988 Medical X-ray equipment—Specification for high voltage cable plug and socket connections
GB/T 10149-1988
Active
GB/T 10149-1988 Terminology and symbol for medical X-ray equipment
GB 11239-1989
Replaced