Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1988-10-28
1989-08-15
Brigance, Gerald L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340792, 340809, 340810, G09G 326
Patent
active
048579084
ABSTRACT:
An image display device in which image data produced by an image scanner separate from the display may be written and erased. The display consists of a movable endless belt. Four embodiments are shown with the belt being made of an electrochromic material which electrochemically shows oxidation-reduction reactions; an optically reversible photochromic material; a thermoplastic sheet produced by applying a photoconductor and a thermoplastic resin to a transparent conductive film; and a color photochromic sheet made up of a photochromic film whose absorption changes when illuminated by light of predetermined wavelengths and a repetitive sequence of color filters of red, green and blue each being formed in a stripe configuration, respectively. Visible images are displayed on the display member based on the image data.
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Kogure Masaaki
Matsuyama Naoki
Mitekura Yoshihiro
Shinguryo Satoshi
Brigance Gerald L.
Fatahi-yar M.
Ricoh & Company, Ltd.
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