发明名称 |
ROTATIONAL SPEED SENSOR |
摘要 |
<p>A rotational speed-detecting device of the present invention drives a sensor means 11, which includes a detecting unit that connects magneto-electric elements in series. A comparison voltage generator connects comparison voltage resistors in series, and is connected in parallel with the detecting unit, with a constant voltage by a constant-voltage control means 13, to which constant voltage is supplied by a constant voltage generating means 14. The device constant voltage means 14 controls a constant current of the constant-current means 15 with an on-and-off output from a comparison means 12 so as to superpose and flow a rectangular wave current in a power supply line between Vcc and VR. <IMAGE></p> |
申请公布号 |
EP0916928(A1) |
申请公布日期 |
1999.05.19 |
申请号 |
EP19980923060 |
申请日期 |
1998.06.01 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
SHIMAMURA, HIROSHI;UEDA, SHINJIRO |
分类号 |
G01P3/481;G01D5/14;G01D5/16;G01D5/244;G01D5/245;G01P3/48;G01P3/487;H03K17/95;(IPC1-7):G01D5/245;G01P3/42;G01P3/488 |
主分类号 |
G01P3/481 |
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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