Vehicular apparatus for forming a display image distantly

Details Vehicular apparatus for forming a display image distantly Vehicular apparatus for forming a display image distantly

1996-02-16

1999-04-20

Nelms, David C.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359633, 359839, 359850, 353 14, 116304, G02B 2714

Patent

active

058962310

ABSTRACT:
An apparatus is provided for magnifying a display surface of an indicator and forming an image of the display surface at a forward place distant from a driver and other passengers in a motor vehicle. The apparatus comprises an indicator (11), a concave mirror (15), and a half mirror (13). The concave mirror (15) and the half mirror (13) serve to enlarge an image (20) of a display surface (12) of the indicator (11) and form the enlarged image at a forward place distant from a driver and passengers in a vehicle. The apparatus is provided with a cylindrical lens portion (14) by which the magnifying power of the image (20) in right and left directions is set at 1.2 to 2.5 while the magnifying power in up and down directions is set at 1.2 to 1.6.

REFERENCES:
patent: 5161480 (1992-11-01), Furuya et al.
patent: 5515122 (1996-05-01), Morishima et al.

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