Holographic indicator for determining vehicle perimeter

Details Holographic indicator for determining vehicle perimeter Holographic indicator for determining vehicle perimeter

1987-01-06

1988-04-12

Arnold, Bruce Y.

Communications: electrical

Land vehicle alarms or indicators

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

340103, 340104, 350 375, B60Q 146, G02B 2722

Patent

active

047370017

ABSTRACT:
A holographic indicator for determining a vehicle perimeter location is provided. A substantially transparent hologram member can be fixed to either the windshield or the rear window and contains a holographic image of indicia representing a virtual image of an indicator that will correspond spatially to a perimeter location of a vehicle body when appropriately illuminated. A light source can be selectively illuminated by the driver to realize the virtual image of the indicator to assist him in close manuevering, such as parking.

REFERENCES:
patent: 1964873 (1934-07-01), Dujardin
patent: 2039474 (1936-05-01), Brunette
patent: 2658967 (1953-10-01), Matschke, Jr.
patent: 3521234 (1970-07-01), Davin
patent: 3603929 (1971-09-01), Drysdale
patent: 3767292 (1973-10-01), Rutkowski
patent: 3868629 (1975-02-01), Caine
patent: 4613200 (1986-09-01), Hartman

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