| 发明名称 |
Magnetic recording method and circuit for toll road ticket |
| 摘要 |
A method for reading information from a toll road ticket in which a mark indicating magnetic recording density is formed on a ticket and is detected. A magnetic record demodulating circuit is selected in accordance with the result of detection. Further, a conversion method for increasing a recording capacity of a ticket is provided.
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| 申请公布号 |
US5274218(A) |
申请公布日期 |
1993.12.28 |
| 申请号 |
US19910756991 |
申请日期 |
1991.09.09 |
| 申请人 |
MITSUBISHI JUKOGYO KABUSHIKI KAISHA |
发明人 |
URATA, HIDEO;NOGUCHI, NAOSHI;JOJO, SHIGERU;YAMASHITA, RIICHIRO;HIRAKO, NOBUHIDE |
| 分类号 |
G06K1/12;G06K7/08;G06K19/08;G06K19/12;G07B15/06;(IPC1-7):G06F15/20;G06F15/48 |
主分类号 |
G06K1/12 |
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