公开(公告)号：US10768135B2

公开(公告)日：2020-09-08

申请号：US15855933

申请日：2017-12-27

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： I-Cherng Chen ,  Pi-Guey Su ,  Hong-Ci Syu ,  Hui-Yu Cho ,  Pin-Chou Li ,  Jian-Hong Wu ,  Ren-Der Jean

IPC: G01N27/30 ,  G01N27/27 ,  G01N27/407 ,  G01N27/406 ,  G01N33/00

Abstract: An oxidizing gas detection method and an apparatus thereof are provided for trace oxidizing gas detection. The detection method includes the following steps. First, perform an electroreduction reaction and a photoreduction reaction simultaneously to a metal oxide in which nanoconductors are distributed. Next, stop the electroreduction reaction and the photoreduction reaction, and read a resistance of the reduced metal oxide by applying a first pulse-width modulation signal. Next, provide an oxidizing gas to the reduced metal oxide, and photo-catalyze a redox reaction between the oxidizing gas and the reduced metal oxide. Next, read a resistance of the oxidized metal oxide by applying a second pulse-width modulation signal. Next, converse a concentration of the oxidizing gas according to a ratio of the resistance of the oxidized metal oxide and the resistance of the reduced metal oxide.

公开(公告)号：US10383537B2

公开(公告)日：2019-08-20

申请号：US15680407

申请日：2017-08-18

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Szu-Ju Li ,  Pai-Hao Wu ,  I-Cherng Chen ,  Hsin-Hung Pan ,  Jung-Hao Wang ,  Ren-Der Jean ,  Meng-Song Yin ,  Chun-Te Chuang

IPC: A61B5/0408 ,  A61B5/0205 ,  A61B5/00 ,  A61B5/0245 ,  A61B5/053 ,  A61B5/08

Abstract: A physiological signal measuring method and a physiological signal measuring device are provided. The physiological signal measuring method includes the following steps: A first inputting signal having a first frequency, a second inputting signal having a second frequency and a third inputting signal having a third frequency are respectively inputted to at least two electrode sheets attached on a skin. A first impedance value corresponding to the first inputting signal, a second impedance value corresponding to the second inputting signal and a third impedance value corresponding to the third inputting signal are respectively measured. An interference impedance between the electrode sheets and the skin is obtained according to the first frequency, the second frequency, the third frequency, the first impedance value, the second impedance value and the third impedance value. A measured physiological signal is corrected according to the interference impedance to obtain a corrected physiological signal.