Title:
HOLOGRAPHIC IMAGE COMBINER
Document Type and Number:
Japanese Patent JPH04294316
Kind Code:
A
Abstract:
PURPOSE:To reduce the influence of disturbing light when the holographic image combiner is used for a head-up display. CONSTITUTION:A reflection type hologram 10 for noise reflection is added and integrated with a diffuse reflection type hologram 1A which constitutes the holographic image combiner. This is provided to the windshield, etc., of an airplane, an automobile, etc., and information from a display unit 2 is imaged on the diffuse reflection type hologram 1A.
Inventors:
EGUCHI SHIN
KATO MASAYUKI
ARITAKE TAKAKAZU
MATSUMOTO TAKESHI
TOMITA JUNJI
KATO MASAYUKI
ARITAKE TAKAKAZU
MATSUMOTO TAKESHI
TOMITA JUNJI
Application Number:
JP8365191A
Publication Date:
October 19, 1992
Filing Date:
March 22, 1991
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
G02B5/32; G02B27/01; G02B27/02; G03H1/02; (IPC1-7): G02B5/32; G02B27/02; G03H1/02
Attorney, Agent or Firm:
Akira Yamatani (1 person outside)