| 发明名称 |
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| 摘要 |
<p>A passenger-number sensor system wherein a plurality of infrared ray sensors are disposed on a straight line to detect temperature changes in their light reception zones, a plurality of optical lenses are provided one for each of the plurality of infrared ray sensors, and a counter is provided to select one of the addition values in a predetermined range according to a sense pattern based on the temperature changes of the infrared ray sensors and add the selected addition value to a so-far accumulated count value.</p> |
| 申请公布号 |
JP2538091(B2) |
申请公布日期 |
1996.09.25 |
| 申请号 |
JP19900068811 |
申请日期 |
1990.03.19 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
ISHIKAWA HARUO;KAWANA KYOSHI;PPONMA KO;YOSHIKAWA TAKASHI |
| 分类号 |
G06M7/00;G01V8/20;G06M1/10;G06M3/00;G07C9/00;(IPC1-7):G06M7/00 |
主分类号 |
G06M7/00 |
| 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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