A gas sensing device includes gas sensors for generating signal samples corresponding to
a concentration of a gas; a heat source for heating the gas sensors according to a first …

(57) ABSTRACT A gas sensing device is adapted to detect a concentration of a target gas.
The gas sensing device comprises a dielectric layer, a reference sensing portion, a target …

A gas detector comprises a metal oxide semiconductor gas sensor whose resistance
decreases in reducing gases and a digital information processing device that treats the …

An apparatus for measuring a concentration of a target gas includes: a gas sensor including
a sensing layer having an electric resistance that changes by an oxidation reaction or a …

A method includes exposing gas sensitive material of a gas sensor device to different
adjusted target gas concentrations, determining measurement values of the resistance of the …