Display devices of the reflection type for vehicle

Details Display devices of the reflection type for vehicle Display devices of the reflection type for vehicle

1990-11-30

1993-12-14

Peng, John K.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340461, 359833, 345 33, B60Q 100

Patent

active

052706826

ABSTRACT:
A display device of the reflection type for a vehicle wherein an analog meter can be used to effect analog display and which, while remote indication is effected making use of a reflecting face of a reflecting element, is compact in overall size and has a long distance for the remote indication. The display device comprises a display unit, a reflecting member having a spherical reflecting face directed to a display face of the display unit, and a light transmitting reflecting element disposed between the display unit and the reflecting member and having a reflecting face through which display light from the display unit is transmitted. The reflecting member is disposed such that the center of the spherical shape of the reflecting face thereof optically coincides substantially with a preset visual point position on the driver's seat side while an optical axis of incident light to the reflecting member is coaxial or paraxial with an optical axis of emergent light from the reflecting member and reflected light from the reflecting member is directed to the driver's seat side of the vehicle by the reflecting face of the reflecting element.

REFERENCES:
patent: 3848974 (1974-11-01), Hosking et al.
patent: 3867623 (1975-02-01), Widlund
patent: 3890777 (1975-06-01), Stanish
patent: 4431966 (1984-02-01), Pacciarello
patent: 4697879 (1987-10-01), Gerbe
patent: 4729634 (1988-03-01), Raber
patent: 4878453 (1989-11-01), Inoue et al.
patent: 4973942 (1990-11-01), Iino
patent: 4986631 (1991-01-01), Aoki et al.

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