G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 21/14 (2006.01)
Patent
CA 2374987
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.
Ao Yoshiharu
Kitamura Masahide
Koyano Junichi
Tajima Shuji
Kirby Eades Gale Baker
Riken Keiki Co. Ltd.
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