1990-07-05
1991-01-22
Arnold, Bruce Y.
350286, 350602, 350618, G02B 1704
Patent
active
049866311
ABSTRACT:
An automotive display system for a vehicle comprises a display having a display screen, a reflecting mirror disposed with its reflecting surface facing the display screen of the display, and a prism disposed between the display and the reflecting mirror. Light rays emanated from the display enter the prism through a first surface of the prism, are transmitted through the prism and fall on the reflecting surface of the reflecting mirror and are reflected by the reflecting mirror. The light rays reflected by the reflecting mirror travel along a path coinciding with or nearly coinciding with the path of travel of the light rays incident on the reflecting surface of the reflecting mirror and are reflected again by the second surface of the prism toward the driver's eye. The light rays travel from the second surface of the prism to and from the reflecting mirror through a comparatively long optical path in a relatively small space for effective remote displaying. Thus, the automotive display system can be formed in a compact construction.
REFERENCES:
patent: 3650599 (1972-03-01), Pederson
patent: 4931959 (1990-06-01), Brenner et al.
Aoki Kunimitsu
Furuya Yoshiyuki
Ichikawa Hiroshi
Miyazawa Yasuhiro
Arnold Bruce Y.
Ryan J. P.
Yazaki -Corporation
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