| 发明名称 | Rotational angle detecting device | ||
| 摘要 | A rotational angle detecting device includes a resistor of which one end is connected to the power source and the other end is grounded, a rotary potentiometer having two wipers which come into sliding contact with the surface of the resistor, a control unit which detects voltage applied to each of the wipers depending on the positions thereof upon the surface of the resistor, two resistors connected at one end to each of the two wipers, and switching means which switch the connection state between the other end of the two resistors and the power source under control of the control unit. | ||
| 申请公布号 | US9417049(B2) | 申请公布日期 | 2016.08.16 |
| 申请号 | US201414585386 | 申请日期 | 2014.12.30 |
| 申请人 | ALPS ELECTRIC CO., LTD. | 发明人 | Ataka Ryuji;Ito Yuzuru;Amako Sadayuki |
| 分类号 | G01B7/30;G01D5/165;H01C10/32 | 主分类号 | G01B7/30 |
| 代理机构 | Hunton & Williams LLP | 代理人 | Hunton & Williams LLP |
| 主权项 | 1. A rotational angle detecting device comprising: a rotary potentiometer including a resistor of which one end is connected to a power source and the other end is grounded, andtwo wipers in sliding contact with a surface of the resistor; a control unit configured to detect voltage applied to the two wipers by being in sliding contact with the surface of the resistor; two resistors, one end of each of which is in contact with each of the two wipers; and switching means configured to switch a contact state between the other end of the two resistors and the power source, under control of the control unit. | ||
| 地址 | Tokyo JP | ||