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Relating Instrument Panel Visibility and Driver Perception Time
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English
Abstract
For the instrument panel designer, good visibility means providing clear, legible, and easy-to-understand instruments and controls free from obstructions, shadows, and inadequate lighting. Unfortunately, most of these provisions are subjective in nature and it is ultimately the designer or group of designers who must decide what is “good visibility.”
In order to remove some of this subjectivity, a study was undertaken by Chrysler Corp. to find a more objective approach to measuring visibility. In particular, this study dealt with measuring in a quantitative manner the readability of letter patterns used on instruments, controls, and indicators.
This report, which covers the main results of the study, deals with the effects of such diverse factors as driver age, illumination, and letter size on a driver's perception time-the time it takes for a driver to take his eyes off the road and read a target on his instrument panel.
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Authors
Citation
Sauter, J. and Kerchaert, R., "Relating Instrument Panel Visibility and Driver Perception Time," SAE Technical Paper 720231, 1972, https://doi.org/10.4271/720231.Also In
References
- Allen Merrill J. “Vision and Highway Safety.” Philadelphia: Chilton Book Co. 1970
- Luckiesh M. Moss F. K. “The Science of Seeing.” New York: D. Van Nostrand 1937
- Price Jack H. “Visual Acuity and Reading in Relation to Letter and Word Design.” Institute for Research in Vision, Ohio State University September 1960
- Forbes T. W. Katz M. S. “Summary of Human Engineering Research Data and Principles Related to Highway Design and Traffic Engineering Problems.” American Institute for Research, Pittsburgh April 30 1957
- Schmidt Ingeborg Connolly Paul L. “Visual Consideration of Man, the Vehicle, and the Highway.” SAE Transactions 75 1967 paper 660004
- Allen Merrill J. “The Influence of Age on the Speed of Accommodation.” Paper presented at annual meeting of American Academy of Optometry, Chicago December 1955
- Luckiesh M. Moss F. K. “Visibility: Its Measurement and Significance in Seeing.” J. of the Franklin Institute October 1935
- Brown John Lott “Time Required for Detection of Acuity Targets Following Exposure to Short Adapting Flashes.” J. of Engineering Psychology 3 2 1964
- Strughold H. “The Human Time Factor in Flight.” Aviation Medicine April 1951
- Kerchaert R. B. Sauter J. L. “A Procedure for Measuring Instrument Panel Visibility.” 720232 SAE Automotive Engineering Congress Detroit January 1972