Optical: systems and elements – Holographic system or element – Head up display
Patent
1992-12-22
1995-02-07
Lerner, Martin
Optical: systems and elements
Holographic system or element
Head up display
340479, 359 14, 359 19, 359 20, 359 25, G02B 532, G03H 130
Patent
active
053879899
ABSTRACT:
A hologram structure for use in a holographic center high mounted stoplight system for a vehicle. The hologram structure includes a hologram layer having a plurality of holographic lenses formed therein, each holographic lens being configured to diffract light into a predetermined solid angular region.
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patent: 3658404 (1972-04-01), Greenaway
patent: 3941450 (1976-03-01), Spitz et al.
patent: 4807978 (1989-02-01), Grinberg et al.
patent: 4993790 (1991-02-01), Vick
patent: 5186533 (1993-02-01), Hori
Smith Ronald T.
Upper Richard
Virgadamo Mike
Wreede John E.
Alkov L. A.
Denson-Low W. K.
Hughes Aircraft Company
Lerner Martin
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