Head-up display device

Details Head-up display device Head-up display device

1990-09-21

1993-05-11

Arnold, Bruce Y.

Optical: systems and elements

Holographic system or element

Head up display

359572, 359630, 340705, G02B 532, G02B 2714

Patent

active

052106268

ABSTRACT:
A head-up display device comprises an image generator, a beam combiner having a light receiving plane tilted laterally for receiving a light from the image generator and diffracting the light, and a compensator arranged between the image generator and the beam combiner for receiving the light from the image generator by a light receiving plane thereof and directing the light to the beam combiner to correct an aberration created by the beam combiner. The compensator is arranged such that a normal line extending through a center of the light receiving plane thereof and a normal line extending through a center of the light receiving plane of the beam combiner are in a common plane.

REFERENCES:
patent: 3940204 (1976-02-01), Withrington
patent: 4218111 (1980-08-01), Withrington et al.
patent: 4613200 (1986-09-01), Hartman
patent: 4711512 (1987-12-01), Upatnieks
patent: 4763990 (1988-08-01), Wood
patent: 4932731 (1990-06-01), Suzuki et al.
patent: 5035473 (1991-07-01), Kuwayama et al.
Banbury, J. R., "Wide Field of View Head-Up Display", Flight Systems Department, Royal Aircraft Establishment, U.K., 1982.

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