Dual image CHMSLS

Details Dual image CHMSLS Dual image CHMSLS

1993-11-15

1995-10-03

Lerner, Martin

Optical: systems and elements

Holographic system or element

Head up display

359 14, 359 20, 359 22, 359 25, G02B 532, G03H 130

Patent

active

054556929

ABSTRACT:
A hologram structure for use in a holographic center high mounted stoplight system for a vehicle. The hologram structure includes first and second hologram layers laminarly secured to each other, each having a plurality of bright hologram cells and dim hologram cells formed therein, and each hologram cell being configured to diffract light into a predetermined solid angular region. The bright hologram cells and the dim hologram cells of each hologram are arranged in a pattern to produce a recognizable pattern of bright and dim areas.

REFERENCES:
patent: 3637307 (1972-01-01), Spitz
patent: 3941450 (1976-03-01), Spitz et al.
patent: 4993790 (1991-02-01), Vick
patent: 5106174 (1992-04-01), Smith
patent: 5129041 (1992-07-01), Pernick et al.
patent: 5186533 (1993-02-01), Hori
patent: 5196951 (1993-03-01), Wreede
patent: 5278679 (1994-01-01), Davis et al.
patent: 5289298 (1994-02-01), Smith

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