| 发明名称 |
SENSOR NOISE SUPPRESSION |
| 摘要 |
A passive infrared sensor system comprising: a direct current (DC) voltage source supplying a DC voltage; a passive infrared sensor supplied with the DC voltage, the passive infrared sensor comprising at least one sensor element; an alternating current (AC) voltage source supplying an AC voltage, the AC voltage source arranged to induce an alternating current to flow through said at least one sensor element; an amplifier arranged to amplify an output signal that is output from the passive infrared sensor to generate an amplified output signal; and a filter arranged to filter the amplified output signal to provide an output of the passive infrared sensor system, wherein the filter is configured to filter a frequency of the AC voltage. |
| 申请公布号 |
US2016265975(A1) |
申请公布日期 |
2016.09.15 |
| 申请号 |
US201615066198 |
申请日期 |
2016.03.10 |
| 申请人 |
PHILIPS LIGHTING HOLDING B.V. |
发明人 |
VERBEEK PETRUS ANTONIUS;DELNOIJ ROGER PETER ANNA;HENSING JOHANNES MARTINUS MARIA;KLEIN SWORMINK MICHEL ALBERTUS THEODORUS;KLOMPENHOUWER MICHIEL ADRIAANSZOON;SZCZERBA MAREK ZBIGNIEW |
| 分类号 |
G01J5/00;G01J5/34 |
主分类号 |
G01J5/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A passive infrared sensor system comprising:
a direct current voltage source supplying a DC voltage; a passive infrared sensor supplied with the DC voltage, the passive infrared sensor comprising at least one sensor element; an alternating current voltage source supplying an AC voltage, the AC voltage source arranged to induce an alternating current to flow through said at least one sensor element; an amplifier arranged to amplify an output signal that is output from the passive infrared sensor to generate an amplified output signal; and a filter arranged to filter the amplified output signal to provide an output of the passive infrared sensor system, wherein the filter is configured to filter a frequency of the AC voltage. |
| 地址 |
EINDHOVEN NL |
