发明名称 |
Portable gas alarm device |
摘要 |
<p>Disclosed is a portable gas alarm device easy to be fabricated as a small-sized one handy to carry and high in convenience for use. The portable gas alarm device comprises a gas alarm device body having a casing flat in whole and a fitting member provided on the casing to fit it to the human body. The gas alarm device body has a control circuit board extending to the direction of the flat plane of the casing, a display mechanism is arranged in a central area on the front surface side of the control circuit board, a gas sensor and an alarm buzzer are arranged on the right and left sides of the display mechanism, and a battery fitting chamber is provided on the back surface side of the circuit board. A vibration generator for alarm may be provided in the gas alarm device body. The fitting member may be one suitable for use in fitting the gas alarm device body to a person's wrist or a person's wear. <IMAGE></p> |
申请公布号 |
EP1293946(A2) |
申请公布日期 |
2003.03.19 |
申请号 |
EP20020016213 |
申请日期 |
2002.07.18 |
申请人 |
RIKEN KEIKI CO., LTD. |
发明人 |
KOYANO, JUNICHI;TAJIMA, SHUJI;AO, YOSHIHARU;KITAMURA, MASAHIDE |
分类号 |
G01N27/00;G01N27/416;G08B21/14;G01N27/404;(IPC1-7):G08B21/14;G01N33/00 |
主分类号 |
G01N27/00 |
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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