Split field wide angle viewing system for vehicles

Details Split field wide angle viewing system for vehicles Split field wide angle viewing system for vehicles

1998-05-19

2000-08-08

Epps, Georgia

Optical: systems and elements

Lens

With multipart element

359726, 359837, G02B 308

Patent

active

061010480

ABSTRACT:
A side-viewing optical system that provides wide-field viewing of image scenes on both sides of a vehicle, particularly in blind areas between the driver's direct peripheral vision and a image scene normally viewed using the rear view mirror. A projected demagnified image from both sides of the vehicle is directed into the driver's eyes from a position straight forward and angled downward so that the forward viewing direction is not blocked while driving the vehicle or requiring driver head motion. The system has left and right side viewers having prisms and Fresnel relay lenses. A roof mirror having left and right mirror surfaces respectively reflect image scenes observed by the side viewers toward the driver. A relay is disposed between the right side viewer and the right mirror surface of the roof mirror. A projector having a Fresnel lens finally projects the image scenes toward the driver for viewing.

REFERENCES:
patent: 4439021 (1984-03-01), Gross
patent: 5594593 (1997-01-01), Milner
patent: 5594594 (1997-01-01), Ung

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