Emergency vehicle warning systems

Emergency vehicle warning systems

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The subject of visual and auditory warning devices (lights and sirens) for emergency and service vehicles is surveyed from a broad perspective. The report should provide directly useful information at all levels from the selection of hardware to a general understanding of the psychophysical factors determining the effectiveness of these devices. Topics covered include: an analysis of warning signals; the present situation and the need for uniform national standards; suggested performance standards for warning light systems and for sirens, including the reasons for the principal requirements; recommendations for actions that can be taken to improve the signal effectiveness of emergency vehicles; and brief summaries of some of the physical measurements that are made on a selection of lights and sirens.At least one manufacturer of emergency vehicle warning lights has made a start in adapting this principle to automotive applications. ... While there are some differences in the ability of an individual to localize sounds from different directions, the ... The specific identification of the type of emergency vehicle is determined by the configuration of the vehicle, the paint ... There are electronic sirens, with one or more speakers driven by electrical impulses coming from an electronic signalanbsp;...

Title:Emergency vehicle warning systems
Author: Arthur I. Rubin, Gerald Leonard Howett, Center for Building Technology, Law Enforcement Standards Laboratory, National Institute of Justice (U.S.)
Publisher: - 1981

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