Indication display unit for vehicles

Details Indication display unit for vehicles Indication display unit for vehicles

1988-09-06

1990-10-16

Bovernick, Rodney B.

Communications: electrical

Land vehicle alarms or indicators

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

350605, 340705, 353 14, G02B 2714

Patent

active

049629980

ABSTRACT:
An indication display unit for vehicles which enables a driver to sight an indication image comprises an image projector device including an indicating means, a light source and an optical system for the image projector, a projecting surface means having a concave surface in front of driver's seat with a predetermined interval, and means for making an image of indications projected from the image projector at the point of driver's eyes.

REFERENCES:
patent: 4294515 (1981-10-01), Kaufman
patent: 4632508 (1986-12-01), Connelly
patent: 4742389 (1988-05-01), Schiffman
patent: 4775218 (1988-10-01), Wood et al.
patent: 4787711 (1988-11-01), Suzuki et al.
patent: 4831366 (1989-05-01), Iino
patent: 4837551 (1989-06-01), Iino
Jenkins et al., "Fundamentals of Optics", Third Edition, copyright 1957, McGraw-Hill Book Company, Inc., pp. 46, 47 and 82-97.

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