| 发明名称 |
DEVICE AND METHOD FOR ESTIMATING PERSON NUMBER |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a person number estimating device etc. used for estimating the number of persons in a room, capable of inexpensively and easily estimating the number of persons in the room and capable of accurately determining absence of persons. <P>SOLUTION: The person number estimating device for estimating the number of persons in the room includes: a person sensing means for sensing the behavior of a person in the room as a target of the estimation; a CO<SB>2</SB>concentration measuring means measuring a CO<SB>2</SB>concentration within the room; and a control means estimating that the number of persons in the room is zero based on the sensed result by the human sensing means and estimating the number of persons in the room based on the measurement result by the CO<SB>2</SB>concentration measuring means when it is not estimated that the number of persons in the room is zero. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
| 申请公布号 |
JP2011133164(A) |
申请公布日期 |
2011.07.07 |
| 申请号 |
JP20090292481 |
申请日期 |
2009.12.24 |
| 申请人 |
TOKYO GAS CO LTD;NISHI HIROAKI;ENERGY PROVIDER KK |
发明人 |
YUZAWA TAKAHIRO;WATANABE YUJI;NISHI HIROAKI;TACHIKAWA TOMOKAZU;NAKABE TOMOHISA;MINE GOKI;ONISHI KATSUHIKO;MATSUOKA KIYOAKI;MATSUSHIMA HIROAKI |
| 分类号 |
F24F11/02 |
主分类号 |
F24F11/02 |
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