Patents by Inventor Kai-Chung Cheng
Kai-Chung Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11382878Abstract: Disclosed herein are compositions and methods for the treatment of conditions induced by chronic inflammation. According to some embodiments, the compositions and methods involve the use of metformin and sodium butyrate in the treatment of conditions induced by chronic inflammation.Type: GrantFiled: May 31, 2017Date of Patent: July 12, 2022Assignee: JOHNPRO BIOTECH INC.Inventors: Kwan-Hwa Chi, Yu-Shan Wang, Hsin-Chien Chiang, Kai-Chung Cheng
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Publication number: 20210015769Abstract: Disclosed herein are compositions and methods for the treatment of conditions induced by chronic inflammation. According to some embodiments, the compositions and methods involve the use of metformin and sodium butyrate in the treatment of conditions induced by chronic inflammation.Type: ApplicationFiled: May 31, 2017Publication date: January 21, 2021Applicant: Johnpro Biotech Inc.Inventors: Kwan-Hwa CHI, Yu-Shan WANG, Hsin-Chien CHIANG, Kai-Chung CHENG
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Patent number: 10529081Abstract: A depth image processing method and a depth image processing system are provided. The depth image processing method includes: capturing a first image and a second image; performing a feature comparison to acquire a plurality of feature pairs between the first image and the second image, wherein each of the feature pairs includes a feature in the first image and a corresponding feature in the second image; computing disparities of the feature pairs; computing a depth image through the first image and the second image when the disparities of the feature pairs are all smaller than a disparity threshold.Type: GrantFiled: January 12, 2018Date of Patent: January 7, 2020Assignee: Wistron CorporationInventors: Sheng-Shien Hsieh, Kai-Chung Cheng, Yu-Wen Huang, Tzu-Yao Lin, Pin-Hong Liou
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Publication number: 20190221675Abstract: A sensing element is provided. The sensing element includes an active layer, a first source, a second source, a drain, and a gate. The active layer is disposed on a substrate, wherein the active layer includes a first source region, a second source region, a drain region, and a channel region. The first source is electrically connected to the first source region. The second source is electrically connected to the second source region. The drain is electrically connected to the drain region. The gate is overlapped with the channel region in a normal direction of the substrate, wherein the first source is extended toward the channel region in a first direction, the second source is extended toward the channel region in a second direction, the first direction and the second direction are intersected with the normal direction, and an angle between the first direction and the second direction is not equal to 180 degrees.Type: ApplicationFiled: April 11, 2018Publication date: July 18, 2019Applicant: Au Optronics CorporationInventors: Jia-Hao Du, Kuo-Jui Chang, Hong-Yang Chuang, Kai-Chung Cheng
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Patent number: 10355141Abstract: A sensing element is provided. The sensing element includes an active layer, a first source, a second source, a drain, and a gate. The active layer is disposed on a substrate, wherein the active layer includes a first source region, a second source region, a drain region, and a channel region. The first source is electrically connected to the first source region. The second source is electrically connected to the second source region. The drain is electrically connected to the drain region. The gate is overlapped with the channel region in a normal direction of the substrate, wherein the first source is extended toward the channel region in a first direction, the second source is extended toward the channel region in a second direction, the first direction and the second direction are intersected with the normal direction, and an angle between the first direction and the second direction is not equal to 180 degrees.Type: GrantFiled: April 11, 2018Date of Patent: July 16, 2019Assignee: Au Optronics CorporationInventors: Jia-Hao Du, Kuo-Jui Chang, Hong-Yang Chuang, Kai-Chung Cheng
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Publication number: 20180137636Abstract: A depth image processing method and a depth image processing system are provided. The depth image processing method includes: capturing a first image and a second image; performing a feature comparison to acquire a plurality of feature pairs between the first image and the second image, wherein each of the feature pairs includes a feature in the first image and a corresponding feature in the second image; computing disparities of the feature pairs; computing a depth image through the first image and the second image when the disparities of the feature pairs are all smaller than a disparity threshold.Type: ApplicationFiled: January 12, 2018Publication date: May 17, 2018Applicant: Wistron CorporationInventors: Sheng-Shien Hsieh, Kai-Chung Cheng, Yu-Wen Huang, Tzu-Yao Lin, Pin-Hong Liou
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Patent number: 9905023Abstract: A depth image processing method and a depth image processing system are provided. The depth image processing method includes: capturing a first image and a second image; performing a feature comparison to acquire a plurality of feature pairs between the first image and the second image, wherein each of the feature pairs includes a feature in the first image and a corresponding feature in the second image; computing disparities of the feature pairs; computing a depth image through the first image and the second image when the disparities of the feature pairs are all smaller than a disparity threshold.Type: GrantFiled: April 8, 2016Date of Patent: February 27, 2018Assignee: Wistron CorporationInventors: Sheng-Shien Hsieh, Kai-Chung Cheng, Yu-Wen Huang, Tzu-Yao Lin, Pin-Hong Liou
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Publication number: 20170186171Abstract: A depth image processing method and a depth image processing system are provided. The depth image processing method includes: capturing a first image and a second image; performing a feature comparison to acquire a plurality of feature pairs between the first image and the second image, wherein each of the feature pairs includes a feature in the first image and a corresponding feature in the second image; computing disparities of the feature pairs; computing a depth image through the first image and the second image when the disparities of the feature pairs are all smaller than a disparity threshold.Type: ApplicationFiled: April 8, 2016Publication date: June 29, 2017Inventors: Sheng-Shien Hsieh, Kai-Chung Cheng, Yu-Wen Huang, Tzu-Yao Lin, Pin-Hong Liou
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Patent number: 9430094Abstract: An optical touch system is provided. At least one light source is disposed at a side of a base plane. A first optical sensor and a second optical sensor detect a space in front of the base plane to generate a first signal and a second signal. When two groups of objects approach to or touch the base plane, a processing unit determines at least one first portion of the first signal corresponding to the two groups of the objects and at least one second portion of the second signal corresponding to the two groups of the objects, and converts the at least one first portion and the at least one second portion into a plurality of touch regions, and determines group transformations according to positions corresponding to at least part of touch regions. Additionally, a method of touch detection, and a computer program product are also provided.Type: GrantFiled: March 11, 2014Date of Patent: August 30, 2016Assignee: Wistron CorporationInventors: Sheng-Hsien Hsieh, Shang-Chin Su, Hsun-Hao Chang, Kai-Chung Cheng, Shou-Te Wei
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Publication number: 20150115130Abstract: An optical touch system is provided. At least one light source is disposed at a side of a base plane. A first optical sensor and a second optical sensor detect a space in front of the base plane to generate a first signal and a second signal. When two groups of objects approach to or touch the base plane, a processing unit determines at least one first portion of the first signal corresponding to the two groups of the objects and at least one second portion of the second signal corresponding to the two groups of the objects, and converts the at least one first portion and the at least one second portion into a plurality of touch regions, and determines group transformations according to positions corresponding to at least part of touch regions. Additionally, a method of touch detection, and a computer program product are also provided.Type: ApplicationFiled: March 11, 2014Publication date: April 30, 2015Applicant: Wistron CorporationInventors: Sheng-Hsien Hsieh, Shang-Chin Su, Hsun-Hao Chang, Kai-Chung Cheng, Shou-Te Wei
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Publication number: 20140340310Abstract: An input device includes a housing; a plurality of keyswitches disposed on the housing; a touch panel disposed on the housing; and a processing unit disposed in the housing and electrically connected to the keyswitches and the touch panel, the processing unit being used for switching coordinate information outputted by the touch panel to a cursor control function or a virtual numeric keypad function.Type: ApplicationFiled: June 24, 2013Publication date: November 20, 2014Inventors: Kai-Chung Cheng, Sheng-Hsien Hsieh, Shou-Te Wei
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Patent number: 8872802Abstract: A method of adjusting a rotary angle of an optical touch module is disclosed in the present invention. The method includes measuring a length and a width of a panel; measuring a first moving distance and a second moving distance of a sensor of the optical touch module as moving from the first position to the second position; calculating a first projecting distance and a second projecting distance of the sensor at the first position according to the length and width of the panel; calculating a first angle and a second angle of the sensor at the second position according to the first moving distance, the second moving distance, the first projecting distance and the second projecting distance; and calculating the rotary angle of the sensor that moves from the first position to the second position according to the first angle and the second angle.Type: GrantFiled: August 23, 2012Date of Patent: October 28, 2014Assignee: Wistron CorporationInventors: Kai-Chung Cheng, Yu-Yen Chen, Lin-Husng Chang, Po-Liang Huang
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Patent number: 8873030Abstract: A testing device, a detection system, and an automatic detection method thereof are disclosed. The detection system is used for testing an optical capturing module and includes a controlling module and the testing device. The controlling module is electrically connected to the optical capturing module. The testing device includes a base, a fixing unit, a testing unit and a track. The fixing unit is disposed on the base and used for mounting the optical capturing module. The testing unit is used for the optical capturing module to capture a sensing signal. The track is disposed on the base for the testing unit to move along the track. When the testing unit is moving, the optical capturing module is use for capturing a sensing signal curve according to the continuous movement of the test element and the control module determines whether the sensing signal curve is exceed a predetermined value.Type: GrantFiled: March 28, 2013Date of Patent: October 28, 2014Assignee: Wistron CorporationInventors: Po-Liang Huang, Yu-Yen Chen, Lin-Husng Chang, Chia-Jui Liu, Kai-Chung Cheng
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Patent number: 8665445Abstract: A diagnostic system for an optical touch control module and an automatic diagnostic method thereof are disclosed. The diagnostic system is used for testing an optical capturing module of the optical touch control module. The diagnostic system includes a controlling module, a first test element, a second test element, and a rotary fixture. The first and the second test element are disposed on a touch surface for allowing the optical capturing module to capture a first and a second test signal. The rotary fixture is used for contacting to the optical capturing module, wherein the controlling module determines whether an image signal captured by the optical capturing module has the first and the second test signal. If not, the controlling module controls the rotary fixture to rotate the optical capturing module to adjust a capturing direction.Type: GrantFiled: November 20, 2012Date of Patent: March 4, 2014Assignee: Wistron CorporationInventors: Lin-Husng Chang, Yu-Yen Chen, Po-Liang Huang, Kai-Chung Cheng
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Publication number: 20130301054Abstract: A diagnostic system for an optical touch control module and an automatic diagnostic method thereof are disclosed. The diagnostic system is used for testing an optical capturing module of the optical touch control module. The diagnostic system includes a controlling module, a first test element, a second test element, and a rotary fixture. The first and the second test element are disposed on a touch surface for allowing the optical capturing module to capture a first and a second test signal. The rotary fixture is used for contacting to the optical capturing module, wherein the controlling module determines whether an image signal captured by the optical capturing module has the first and the second test signal. If not, the controlling module controls the rotary fixture to rotate the optical capturing module to adjust a capturing direction.Type: ApplicationFiled: November 20, 2012Publication date: November 14, 2013Applicant: WISTRON CORPORATIONInventors: LIN-HUSNG CHANG, YU-YEN CHEN, PO-LIANG HUANG, KAI-CHUNG CHENG
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Publication number: 20130286384Abstract: A testing device, a detection system, and an automatic detection method thereof are disclosed. The detection system is used for testing an optical capturing module and includes a controlling module and the testing device. The controlling module is electrically connected to the optical capturing module. The testing device includes a base, a fixing unit, a testing unit and a track. The fixing unit is disposed on the base and used for mounting the optical capturing module. The testing unit is used for the optical capturing module to capture a sensing signal. The track is disposed on the base for the testing unit to move along the track. When the testing unit is moving, the optical capturing module is use for capturing a sensing signal curve according to the continuous movement of the test element and the control module determines whether the sensing signal curve is exceed a predetermined value.Type: ApplicationFiled: March 28, 2013Publication date: October 31, 2013Applicant: Wistron CorporationInventors: Po-Liang Huang, Yu-Yen Chen, Lin-Husng Chang, Chia-Jui Liu, Kai-Chung Cheng
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Publication number: 20130278940Abstract: An optical touch control system and a captured signal adjusting method thereof are disclosed. The optical touch control system includes a base, an image sensor module, and an image processing device. The base has an edge frame. The image sensor module is disposed on the base and used for capturing the edge frame to obtain a testing image signal. The image processing device includes a processing module, a recognition module, and a record module. The processing module is used for executing a testing procedure. The recognition module is used for scanning the testing image signal. When the processing module executes the testing procedure, the recognition module recognizes a coordinate of an edge frame image from the testing image signal. Then the processing module is used for setting the coordinate of the edge frame image as a correct capture coordinate to record in the record module.Type: ApplicationFiled: November 5, 2012Publication date: October 24, 2013Applicant: WISTRON CORPORATIONInventors: Yu-Yen CHEN, Lin-Husng CHANG, Po-Liang HUANG, Kai-Chung CHENG
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Publication number: 20130141392Abstract: A method of adjusting a rotary angle of an optical touch module is disclosed in the present invention. The method includes measuring a length and a width of a panel; measuring a first moving distance and a second moving distance of a sensor of the optical touch module as moving from the first position to the second position; calculating a first projecting distance and a second projecting distance of the sensor at the first position according to the length and width of the panel; calculating a first angle and a second angle of the sensor at the second position according to the first moving distance, the second moving distance, the first projecting distance and the second projecting distance; and calculating the rotary angle of the sensor that moves from the first position to the second position according to the first angle and the second angle.Type: ApplicationFiled: August 23, 2012Publication date: June 6, 2013Inventors: Kai-Chung Cheng, Yu-Yen Chen, Lin-Husng Chang, Po-Liang Huang