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12 November 1993 Antidazzling driver's goggles with controllable transmission
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Proceedings Volume 2107, CIS Selected Papers: Optical Monitoring of the Environment; (1993) https://doi.org/10.1117/12.162186
Event: Optical Monitoring of the Environment: CIS Selected Papers, 1993, Moscow, Russian Federation
Abstract
The problems of road visibility hold a special position in road safety. On the average, up to 15% of all accidents take place in conditions of limited visual range. One of the main reasons for road accidents is that the upper beam of head lamps of the opposite-direction vehicles dazzles a drive. The driver experiences a painful sensation at a distance of 200 meters or less. After termination of the dazzling effect the eyes' relaxation comes tens of seconds later; it means that some 400 meters the car moves without guidance. In this paper an anti-dazzling device, preventing the upper beam of head lamps of opposite-direction vehicles to dazzle a driver, is described. The device consists of 2 electrooptical liquid crystalline shutters, the goggles casing and of electronic control circuit, allowing to vary the light transmission of the shutters, as the illuminance of the photodetector varies.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Victor V. Belyaev, Nikolai F. Kovtonyuk, and A. B. Kuznetsov "Antidazzling driver's goggles with controllable transmission", Proc. SPIE 2107, CIS Selected Papers: Optical Monitoring of the Environment, (12 November 1993); https://doi.org/10.1117/12.162186
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