发明名称 MONITOR CAMERA SYSTEM
摘要 PROBLEM TO BE SOLVED: To provide a monitor camera system capable of continuous drive over a long period of time without being influenced by surrounding environment and weather, by significantly reducing a frequency of maintenance such as replacement of a secondary battery even if not being connected with a commercial power supply.SOLUTION: A monitor camera system uses an electrical power system comprising: at least a direct methanol fuel cell and a secondary battery; and a mechanism for charging the secondary battery by the direct methanol fuel cell.
申请公布号 JP2014110589(A) 申请公布日期 2014.06.12
申请号 JP20120265095 申请日期 2012.12.04
申请人 TOYOBO CO LTD 发明人 YAMASHITA MASAHIRO;KATSUMA YOSHIYUKI;MATSUMURA TAKAHIRO;KITAMURA KOTA
分类号 H04N7/18 主分类号 H04N7/18
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