Indication display unit for a vehicle

Details Indication display unit for a vehicle Indication display unit for a vehicle

1991-08-22

1992-11-10

Cuchlinski, Jr., William A.

Signals and indicators

Vehicle

Speedometer

116286, 116DIG39, 116304, 340705, 340461, 353 14, 359631, G01P 500, G01D 1128

Patent

active

051614804

ABSTRACT:
An indication display unit for a vehicle provides a driver with a circular meter indication by an analog meter having a scale disposed along with a circumference and an indication needle disposed inside the circumference, which is made in consideration not only from the function's point of view as is conventionally done, but also from the view point of the decorative design as well so as to produce many user's long-awaited new type of interesting meter indication.
In the indication display unit according to the present invention, since a circular meter indication of an analog meter is optically converted to an oval shape by use of either a positive cylindrical lens, a negative cylindrical lens or a concave reflecting member having a different magnification rate between the longitudinal direction and lateral direction which are respectively disposed facing the indication surface of the analog meter, the indication observed through a prism reflecting member disposed between the above optical materials and the analog meter is such that the indication needle extends or reduces in accordance with the rotated angle thereof making an oval-shaped image of the analog meter, so that quite interesting and tasteful meter indication is thereby offered.

REFERENCES:
patent: 1762933 (1930-06-01), Mihalyi
patent: 2686455 (1954-08-01), Porsche
patent: 3302515 (1967-02-01), Knus
patent: 3848974 (1974-11-01), Hosking et al.
patent: 3887273 (1975-06-01), Griffiths
patent: 3892474 (1975-07-01), Nilsson
patent: 4114997 (1978-09-01), Lunetta
patent: 4611877 (1986-09-01), Ellis
patent: 4971436 (1990-11-01), Aoki et al.
patent: 4973942 (1990-11-01), Iino
patent: 4991537 (1991-02-01), Muramatsu

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