发明名称 |
CONTROL APPARATUS FOR OPERATION PANEL AND ELECTRONIC APPARATUS |
摘要 |
A signal line used in a key matrix is shared between a signal line used in a first display unit and a signal line used in a second display unit. Two types of periodical pulse signals are superimposed on a level signal which indicates data displayed on the second display unit. One type is a pulse signal for detecting key input and another type is a pulse signal which indicates data displayed on the first display unit.
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申请公布号 |
US2011316786(A1) |
申请公布日期 |
2011.12.29 |
申请号 |
US201113221564 |
申请日期 |
2011.08.30 |
申请人 |
NAOI YUICHI;OGASAWARA YASUFUMI;CANON KABUSHIKI KAISHA |
发明人 |
NAOI YUICHI;OGASAWARA YASUFUMI |
分类号 |
G06F3/02 |
主分类号 |
G06F3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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