NIST display interface testbed: the development of a centrally controlled testing system for the automated generation of stimuli and control feedback

John W. Roberts; James A. Ward

doi:10.1117/12.344652

12 April 1999 NIST display interface testbed: the development of a centrally controlled testing system for the automated generation of stimuli and control feedback

John W. Roberts, James A. Ward

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Proceedings Volume 3636, Flat Panel Display Technology and Display Metrology; (1999) https://doi.org/10.1117/12.344652
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

Impressive advances are being made in the field of display metrology, as illustrated in standards such as the Video Electronics Standards Association's Flat Panel Display Measurement standard. However, issues remain regarding the technology-dependent response of display to large-scale signal eros such as noise-induced errors on the data and control lines. The NIST Display Interface Testbed can be used in conjunction with a graphics controller, test generator, or other standard signal source, to inject a user-specified controlled sequence of errors into the interface of a display under test, permitting observation and measurement of the response of the display. In addition to its function as an interface tester, the Testbed effectively serves as a non-intrusive probe into the operation of the display. the programmed control structure of the Testbed permits the convenience of automated test sequences. Development of a feedback mechanisms which allows the test stimulus to be modified in real time, as a function of measurement result and user commands is planned for 1999.

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John W. Roberts and James A. Ward "NIST display interface testbed: the development of a centrally controlled testing system for the automated generation of stimuli and control feedback", Proc. SPIE 3636, Flat Panel Display Technology and Display Metrology, (12 April 1999); https://doi.org/10.1117/12.344652

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KEYWORDS

Interference (communication)

LCDs

Human-machine interfaces

Control systems

Standards development

Clocks

Feedback control

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