IEEE 167A-1975
IEEE Facsimile Test Chart
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About This Item
IEEE 167A-1975 is the IEEE Facsimile Test Chart, a technical standard used to support evaluation of facsimile transmission and reproduction performance. In a communication and broadcasting context, it provides a defined reference for checking how well equipment handles image detail, contrast, and overall fidelity. As a superseded document, IEEE 167A-1975 remains relevant for historical reference, legacy system support, and understanding earlier facsimile testing practice.
About IEEE 167A-1975
IEEE 167A-1975 addresses the use of a facsimile test chart as a common basis for assessment in image transmission systems. The standard is tied to communication technologies and the testing of components, circuits, devices, and systems where document or image reproduction quality matters. By defining a consistent test reference, it helps engineers and technicians compare equipment behavior under similar conditions and support more reliable measurement of facsimile performance.
Where is IEEE 167A-1975 used?
This standard is most relevant in facsimile equipment testing, maintenance, and acceptance checks for systems that transmit scanned documents or graphical content. It may be used in laboratories, engineering departments, and service environments where legacy communication devices still need comparison against a known chart. IEEE 167A-1975 can also be useful when reviewing older broadcast or telecom workflows that relied on facsimile image quality as part of operational verification.
Importance in practice
In practice, IEEE 167A-1975 supports consistency in evaluating facsimile output and transmission quality. A standard test chart helps reduce ambiguity during inspection, procurement, and troubleshooting by giving all parties a shared reference. That can improve repeatability in measurements, make equipment comparisons more dependable, and lower the risk of misjudging image degradation. For organizations dealing with older communication hardware, it also helps preserve a clear technical benchmark.
- Facsimile test chart reference
- Legacy image transmission evaluation
- Equipment comparison and verification
- Performance consistency checks
- Publication Date: 1974
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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