Portable gas alarm device

申请公布号：US2003052792(A1)

申请号：US20020105597

申请日期：2002.03.25

申请公布日期：2003.03.20

申请人：

RIKEN KEIKI CO., LTD.

发明人：KOYANO JUNICHI;TAJIMA SHUJI;AO YOSHIHARU;KITAMURA MASAHIDE

分类号：G01N27/404;G01N27/00;G01N27/416;G08B21/14;(IPC1-7):G08B23/00

主分类号：G01N27/404

摘要：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.