Holographic thin panel display system

Details Holographic thin panel display system Holographic thin panel display system

1987-01-06

1989-02-28

Arnold, Bruce Y.

350 36, G03H 122

Patent

active

048079510

ABSTRACT:
An improved, relatively thin panel display includes a housing member supporting a hologram containing a holographic image of predetermined indicia that can be appropriately illuminated to appear to the observer as being positioned at a location offset from the actual location of the hologram panel display member. The hologram member can be illuminated by either back lighting, front lighting, or side lighting with the use of either transmission or reflective holographic images. One embodiment of the invention can be combined with a steering wheel with the virtual image of the indicia being located at a sufficient depth to enable the eyes of the viewer to focus comfortably on the panel indicia information.

REFERENCES:
patent: 3506327 (1970-04-01), Leith et al.
patent: 3560921 (1971-02-01), Lopez
patent: 3561838 (1971-02-01), Gabor
patent: 3848974 (1974-11-01), Hosking et al.
patent: 3947085 (1976-03-01), Mottier
patent: 4643515 (1987-02-01), Mopatnieks
Holography with Guided Optical Waves, Applied Physics 21, 55-63 (1980).

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