DocumentCode
2646358
Title
Optical vehicle detector using range finding method
Author
Imaizumi, Masataka ; Koyama, Yukitomo ; Takaku, Tsutomu ; Hirasawa, Kazuo ; Hiramoto, Tsuneo
Author_Institution
Universal Traffic Manage. Society of Japan, Tokyo, Japan
fYear
1994
fDate
31 Aug-2 Sep 1994
Firstpage
85
Lastpage
88
Abstract
Looks at the optical vehicle detectors used in the Universal Traffic Management System (UTMS). The optical vehicle detector is installed upon the road and detects passing vehicles using near-infrared rays. It also provides two-way communications with an in-vehicle communication unit in optical transmission mode. Toshiba is upgrading the detector sensitivity to passing vehicles by incorporating an optical range-finding method
Keywords
distance measurement; optical sensors; road vehicles; Universal Traffic Management System; detector sensitivity; in-vehicle communication unit; near-infrared rays; optical transmission mode; optical vehicle detector; range finding method; two-way communications; Infrared detectors; Optical detectors; Optical modulation; Optical receivers; Optical sensors; Project management; Road vehicles; Shape measurement; Stimulated emission; Vehicle detection;
fLanguage
English
Publisher
ieee
Conference_Titel
Vehicle Navigation and Information Systems Conference, 1994. Proceedings., 1994
Conference_Location
Yokohama
Print_ISBN
0-7803-2105-7
Type
conf
DOI
10.1109/VNIS.1994.396861
Filename
396861
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