发明名称 |
Opening and closing control device for cover |
摘要 |
A opening and closing control device for a cover provided at an opening includes an electric motor for actuating the cover to open and close the opening, at least two rotational number sensors for generating pulse signals which have different phases from one another based on a rotational number of the electric motor, and a position detector for detecting the position of the cover based on one of the pulse signals and for judging a moving direction of the cover in accordance with a signal level of one of the rotational number sensors when the other rotational number sensor detects an edge of the pulse signal. |
申请公布号 |
US6590357(B2) |
申请公布日期 |
2003.07.08 |
申请号 |
US20010954042 |
申请日期 |
2001.09.18 |
申请人 |
AISIN SEIKI KABUSHIKI KAISHA |
发明人 |
OKAMOTO KIYOSHI |
分类号 |
E05F15/16;B60J7/057;E05F15/00;E05F15/18;E05F15/20;G01B7/00;G01D5/244;G01D5/245;G01P13/04;G05B19/042;H02P7/06;(IPC1-7):H02P6/00 |
主分类号 |
E05F15/16 |
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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