Portable gas detector

Measuring and testing – Gas analysis

Reexamination Certificate

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Reexamination Certificate

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07089779

ABSTRACT:
The invention provides a portable gas detector of a novel structure that is easy to be fabricated as a small-sized one handy to carry and high in convenience for use. The portable gas detector has a housing in the form of a slim and flat box holdable by grasping with a hand, and a foreside half portion in the interior of he housing is provided as a functional part region, and a rear half portion in the interior of the housing is provided as a battery part region. In the functional part region, one of 5 gas sensors is arranged at a curved portion in a gas sensor-arranging region of an L shape as a whole, and 2 gas sensors are arranged in a row in both lateral and vertical directions of the above gas sensor, respectively. A gas sucking means is arranged in a region, the 2 directions of which is sectioned by the gas sensor-arranging region.

REFERENCES:
patent: 6606897 (2003-08-01), Koyano et al.
patent: 6712586 (2004-03-01), Koyano et al.
patent: 2003/0138329 (2003-07-01), Koyano et al.
patent: 2004/0062684 (2004-04-01), McGee et al.
patent: 2002-116169 (2002-04-01), None

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