Optical: systems and elements – Holographic system or element – For producing or reconstructing images from multiple holograms
Patent
1991-06-21
1993-02-16
Howell, Janice A.
Optical: systems and elements
Holographic system or element
For producing or reconstructing images from multiple holograms
359 13, 359 15, 359630, G02B 532
Patent
active
051875977
ABSTRACT:
A display unit including an indicator (1) for projecting a predetermined image, an image forming optical system (3) for forming a real image at a predetermined position according to the image projected by the indicator, and a transparent hologram screen (10) disposed at the image forming position of the image forming optical system to diffract the real image in a predetermined direction with a directivity.
REFERENCES:
patent: 4763990 (1988-08-01), Wood
patent: 4919517 (1990-04-01), Jost et al.
patent: 5035473 (1991-07-01), Kuwayama et al.
Aritake Hirokazu
Eguchi Shin
Kato Masayuki
Matsumoto Tsuyoshi
Tomita Junji
Chu Kim-Kwok
Fujitsu Limited
Howell Janice A.
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