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1. (WO2003007230) OPTICAL MEMORY SYSTEM FOR INFORMATION RETRIEVAL FROM FLUORESCENT MULTILAYER OPTICAL CLEAR CARD OF THE ROM-TYPE
Pub. No.:    WO/2003/007230    International Application No.:    PCT/US2002/021576
Publication Date: Fri Jan 24 00:59:59 CET 2003 International Filing Date: Thu Jul 11 01:59:59 CEST 2002
IPC: G06K 7/10
G06K 7/12
G06K 19/00
G06K 19/06
G11C 13/04
Applicants: D DATA INC.
LEVICH, Eugene
MAGNITSKII, Sergei
MAGNITSKII, Nikolay
TARASISHIN, Andrey
ANGELUTZ, A.
JAKUBOVICH, S.
Inventors: LEVICH, Eugene
MAGNITSKII, Sergei
MAGNITSKII, Nikolay
TARASISHIN, Andrey
ANGELUTZ, A.
JAKUBOVICH, S.
Title: OPTICAL MEMORY SYSTEM FOR INFORMATION RETRIEVAL FROM FLUORESCENT MULTILAYER OPTICAL CLEAR CARD OF THE ROM-TYPE
Abstract:
A multilayer fluorescent optical storage medium (203) has data layers (210) with fluorescent pits (211, 321) for storing the information. The pits (211, 321) on each of the layers (211) are organized to define a plurality of stills (316). Each stack of stills (316) can be read without lateral movement of the reading head. An eight-to-ten code for encoding information to be stored is also used.