公开(公告)号：US10345147B2

公开(公告)日：2019-07-09

申请号：US15391413

申请日：2016-12-27

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chia-Jung Chang ,  Yu-Sheng Hsieh ,  Jing-Yuan Lin ,  Chih-Hao Hsu

IPC: G01J3/12 ,  G01J3/02 ,  G01J1/06 ,  G01J3/26 ,  G01J3/28

Abstract: An optical package is provided. The optical package includes an interference splitter allowing a light having a predetermined wavelength range to transmit through, a sensing element, and a light-transmitting structure. The light-transmitting structure includes a light-transmitting pillar and a light-absorbing layer surrounding the light-transmitting pillar, and the light-absorbing layer absorbs the light having the predetermined wavelength range. The interference splitter, the light-transmitting pillar, and the sensing element are arranged aligned with each other along an extending direction of the light-transmitting pillar. The sensing element is configured to receive the light transmitting through the interference splitter and the light-transmitting pillar.

公开(公告)号：US11913876B2

公开(公告)日：2024-02-27

申请号：US17885073

申请日：2022-08-10

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chia-Jung Chang ,  Jui-Hung Tsai ,  Ying-Hao Wang ,  Chih-Hao Hsu

IPC: G01N21/33 ,  G02B27/14 ,  G01N33/18 ,  G01N21/3577 ,  G01N21/31 ,  G02B5/20 ,  G01N21/77 ,  G01N21/01

CPC classification number: G01N21/33 ,  G01N21/31 ,  G01N21/3577 ,  G01N33/18 ,  G02B27/141 ,  G01N21/01 ,  G01N2021/7763 ,  G01N2201/0636 ,  G02B5/20

Abstract: An optical water-quality detection apparatus includes a detection device, a biofilm-inhibition light source, a detection light source and a sensor. The detection device includes a detection chamber. The biofilm-inhibition light source is disposed outside the detection chamber and configured to emit biofilm-inhibition light. The detection light source is disposed outside the detection chamber and configured to emit detection light. The sensor is configured to sense the detection light penetrating the detection chamber. A beam of the detection light and a beam of the inhibition light overlaps as penetrating the detection chamber.

公开(公告)号：US11112353B2

公开(公告)日：2021-09-07

申请号：US16728963

申请日：2019-12-27

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chih-Hao Hsu ,  Jui-Hung Tsai ,  Ying-Hao Wang ,  Chia-Jung Chang

IPC: G01N21/25

Abstract: A residual toxicant detection device for testing residual toxicant in an aqueous solution is disclosed, which includes a first space cavity, a second space cavity, a connecting frame and a sensing cavity. The first space cavity includes a light source and a lens. The second space cavity includes a photo sensor and a circuit module. The connecting frame is configured to connect the first space cavity and the second space cavity. The sensing cavity for receiving an aqueous solution is formed between the first space cavity and the second space cavity and at one side of the connecting frame. The light source emits a light with a wavelength range. The photo sensor receives the sensing signal of the light passing through the sensing cavity. The circuit module is configured to calculate the absorbance and the variation in absorbance of the residual toxicants in the aqueous solution.

公开(公告)号：US10883975B2

公开(公告)日：2021-01-05

申请号：US15613505

申请日：2017-06-05

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chia-Jung Chang ,  Jui-Hung Tsai ,  Chih-Hao Hsu ,  Jing-Yuan Lin

IPC: G01N33/02 ,  G01N21/33 ,  A23N12/02 ,  A47J43/24 ,  G01N21/01 ,  G01N21/31 ,  G01N21/85

Abstract: Provided is a residual toxicant detection system and a residual toxicant detection method, the residual toxicant detection method including: allowing an aqueous solution containing a residual toxicant to flow into a detection portion including a cavity; providing at a side of the cavity a light containing a specific wavelength range to react with the residual toxicant; receiving the light that passes through the cavity on another side of the cavity, thereby generating a sensing signal; and calculating an amount of change in absorbance of the aqueous solution according to the sensing signal, wherein when the amount of change in absorbance is less than a threshold value, a detection count is accumulated, and when the accumulated detection count is greater than a predetermined value, a detection result is generated. Therefore, whether or not the residual toxicant on the object is cleaned can be determined easily and accurately.

公开(公告)号：US10547782B2

公开(公告)日：2020-01-28

申请号：US15635208

申请日：2017-06-28

Applicant: Industrial Technology Research Institute

Inventor： Jing-Yuan Lin ,  Horn-Chin Lee ,  Chia-Jung Chang ,  Chih-Hao Hsu

IPC: H04N5/232 ,  H04N5/33

Abstract: An image sensing apparatus including a light source, an image sensor, at least one lens, and a wavelength selecting device is provided. The light source is configured to emit an illumination light to irradiate an object. The image sensor is configured to receive a light signal from the object and send an image signal corresponding to the light signal. The at least one lens is located on a transmission path of the light signal and between the object and the image sensor. The wavelength selecting device is located on the transmission path of the light signal and between the object and the image sensor. The wavelength selecting device has a first reflector and a second reflector, and a gap exists between the first reflector and the second reflector. The gap is adapted to be adjusted to have a first predetermined optical path length or a second predetermined optical path length.

公开(公告)号：US20180270418A1

公开(公告)日：2018-09-20

申请号：US15635208

申请日：2017-06-28

Applicant: Industrial Technology Research Institute

Inventor： Jing-Yuan Lin ,  Horn-Chin Lee ,  Chia-Jung Chang ,  Chih-Hao Hsu

IPC: H04N5/232 ,  H04N5/33

CPC classification number: H04N5/23245 ,  G02B5/281 ,  G02B5/285 ,  H04N5/2254 ,  H04N5/332

Abstract: An image sensing apparatus including a light source, an image sensor, at least one lens, and a wavelength selecting device is provided. The light source is configured to emit an illumination light to irradiate an object. The image sensor is configured to receive a light signal from the object and send an image signal corresponding to the light signal. The at least one lens is located on a transmission path of the light signal and between the object and the image sensor. The wavelength selecting device is located on the transmission path of the light signal and between the object and the image sensor. The wavelength selecting device has a first reflector and a second reflector, and a gap exists between the first reflector and the second reflector. The gap is adapted to be adjusted to have a first predetermined optical path length or a second predetermined optical path length.

公开(公告)号：US20180143173A1

公开(公告)日：2018-05-24

申请号：US15613505

申请日：2017-06-05

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chia-Jung Chang ,  Jui-Hung Tsai ,  Chih-Hao Hsu ,  Jing-Yuan Lin

IPC: G01N33/02 ,  G01N21/01 ,  A47J43/24 ,  A23N12/02

CPC classification number: G01N33/025 ,  A23N12/02 ,  A47J43/24 ,  G01N21/01 ,  G01N21/33 ,  G01N21/85 ,  G01N2021/3166

Abstract: Provided is a residual toxicant detection system and a residual toxicant detection method, the residual toxicant detection method including: allowing an aqueous solution containing a residual toxicant to flow into a detection portion including a cavity; providing at a side of the cavity a light containing a specific wavelength range to react with the residual toxicant; receiving the light that passes through the cavity on another side of the cavity, thereby generating a sensing signal; and calculating an amount of change in absorbance of the aqueous solution according to the sensing signal, wherein when the amount of change in absorbance is less than a threshold value, a detection count is accumulated, and when the accumulated detection count is greater than a predetermined value, a detection result is generated. Therefore, whether or not the residual toxicant on the object is cleaned can be determined easily and accurately.

公开(公告)号：US20180143128A1

公开(公告)日：2018-05-24

申请号：US15813264

申请日：2017-11-15

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Jui-Hung Tsai ,  Ying-Hao Wang ,  Chia-Jung Chang ,  Chih-Hao Hsu ,  Jing-Yuan Lin

IPC: G01N21/31 ,  G01N21/01 ,  G01N21/94 ,  G01N33/02 ,  G01N33/18

CPC classification number: G01N21/31 ,  G01N21/01 ,  G01N21/33 ,  G01N21/85 ,  G01N21/94 ,  G01N33/025 ,  G01N33/1826 ,  G01N2021/0118 ,  G01N2021/3125 ,  G01N2021/7783 ,  G01N2033/184 ,  G01N2201/021 ,  G01N2201/0221 ,  G01N2201/062 ,  G01N2201/1235

Abstract: Disclosed is a residual toxicant detection device for detecting the amount of residual toxicants in an aqueous solution to be measured. The residual toxicant detection device includes an accommodation space formed from a shell, a water inlet and a water outlet positioned on the shell for the aqueous solution to flow therein and thereout, respectively, a sensing chamber in the accommodation space, a light source emitter and a light sensor positioned near the sensing chamber, the light source emitter emitting light of a wavelength range, the light sensor receiving the light passing through the sensing chamber, and a circuit board receiving sensing signals sensed by the light sensor, such that absorbance and a change of the absorbance of residual toxicants in the aqueous solution to be measured are calculated.