发明名称 OPTICAL RECORDING MEDIUM READER
摘要 PROBLEM TO BE SOLVED: To prevent the occurrence of an information reading error due to the inclination of a card 101 in a guiding groove in a card reader 100 for reading information by manually carrying the card 101 containing hologram pattern 106 having information recorded as a diffracted image along the guiding groove 102. SOLUTION: This device is provided with a guide roller 107 for pressing the card 101 to the traveling reference surface of the guiding groove 102.
申请公布号 JP2001319340(A) 申请公布日期 2001.11.16
申请号 JP20000136849 申请日期 2000.05.10
申请人 VICTOR CO OF JAPAN LTD 发明人 NISHIKAWA KOICHIRO
分类号 G03H1/22;G06K7/12;G06K13/063;G11B7/0033;G11B7/0065 主分类号 G03H1/22
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