发明授权
- 专利标题: Magnetic recording method and circuit for toll road ticket
- 专利标题(中): 收费公路票的磁记录方法及电路
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申请号: US756991申请日: 1991-09-09
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公开(公告)号: US5274218A公开(公告)日: 1993-12-28
- 发明人: Hideo Urata , Naoshi Noguchi , Shigeru Jojo , Riichiro Yamashita , Nobuhide Hirako
- 申请人: Hideo Urata , Naoshi Noguchi , Shigeru Jojo , Riichiro Yamashita , Nobuhide Hirako
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Jukogyo Kabushiki Kaisha
- 当前专利权人: Mitsubishi Jukogyo Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX2-235745 19900907; JPX2-235746 19900907; JPX3-24653 19910219
- 主分类号: G06K1/12
- IPC分类号: G06K1/12 ; G06K7/08 ; G06K19/08 ; G06K19/12 ; G07B15/06 ; G06F15/20 ; G06F15/48
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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