1987-02-01

Development of MR (Multi Reflector) Headlamp (Headlamp with Slant Angle of 60 Degrees, Contributable to Future Vehicle Body Styling) 870064

Along with the tendency to esteem fuel economy, driving security and aerodynamic excellence, the voice to demand technical improvement of headlamps is getting higher and higher every day. With the expectation to meet such common and strong demand of world's automotive industry, retractable headlamps and slanting headlamps (headlamps of which front lenses are slanted) have been put to practical use so far. However, retractable headlamps have a disadvantage that once lighted, they lose their aerodynamic efficacy. Moreover, the mechanism of retractable headlamp system is rather complicated and causes cost increase. On the other hand, in slanting headlamps, light emission inefficiency that increases in proportion to the lens slant angle settles certain limitation on the popularity of this system. Under such circumstances, we intended to overcome problems lying in these two headlamp systems and to develop, eventually, a headlamp that allows larger lens slant angle than ever without spoiling photometric performance.

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