Dynamic information storage or retrieval – Specific detail of information handling portion of system – Electrical modification or sensing of storage medium
Patent
1995-06-26
1998-10-06
Edun, Muhammad N.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Electrical modification or sensing of storage medium
369103, 3692751, G11B 700
Patent
active
058188100
ABSTRACT:
An image reader system for reading an image recorded on a polymer dispersed type of liquid crystal recording medium in which liquid crystals are dispersed and fixed in resin is provided. Illumination light is directed from a point light source to the liquid crystal recording medium to read the recorded image by a photoelectric conversion element through an optical system with the liquid crystal recording medium defining an object plane and the photoelectric conversion element defining an imaginary plane. Any lowering of contrast is avoided and the image can be read with high precision.
REFERENCES:
patent: 5339306 (1994-08-01), Yoshinaga et al.
patent: 5594713 (1997-01-01), Komma et al.
Dai Nippon Printing Co. Ltd.
Edun Muhammad N.
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