| 发明名称 |
Control means and method of controlling a current through a coil |
| 摘要 |
An electronic circuit comprising means (CMNS) for controlling a current (IL) through a coil (L) for the generation of a magnetic field (H). The means (CMNS) comprise means (DMNS) for the determination of a parameter which is a measure for the value of the resistance (RL) of the coil (L). During operation the maximum absolute value of the current (IL) is decreased when the parameter exceeds a certain limit.
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| 申请公布号 |
US7183887(B2) |
申请公布日期 |
2007.02.27 |
| 申请号 |
US20040519050 |
申请日期 |
2004.12.22 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
VULLERS RUDOLF JOHAN MARIA;GEVEN WILLEM JOHANNES ANTONIA;LIEDENBAUM COEN THEODORUS HUBERTUS FRANSISCUS |
| 分类号 |
G11B5/09;H01F27/08;G01K7/00;G01R5/22;G01R19/32;G01R21/14;G05B9/02;G05B11/01;G05D23/00;G11B5/02;G11B5/596;G11B33/14 |
主分类号 |
G11B5/09 |
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