Patents by Inventor Tse-Chung SU
Tse-Chung SU 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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Publication number: 20230333667Abstract: An input method and a controller of a touch keyboard are provided. The input method includes: detecting a touch behavior performed on the touch keyboard, and identifying the touch behavior to determine whether to output mouse event data, keyboard event data or a combination of mouse event data and keyboard event data.Type: ApplicationFiled: September 15, 2022Publication date: October 19, 2023Inventors: YU-HAN CHEN, TSE-CHUNG SU, SUNG-HAN WU, XIAO-LIN CHUANG, CHI-CHIEH LIAO
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Patent number: 11526195Abstract: An electronic device with a function of detecting a touch state, comprising: at least one first electrode, configured to generate a first capacitance reflecting a distance between the first electrode and an object; at least one second electrode, configured to generate a second capacitance reflecting a distance between the second electrode and the object, and wherein a first distance between the first electrode and the object is smaller than a second distance between the second electrode and the object when the electronic is in a wearing state; a capacitance calculating circuit, configured to calculate the first capacitance and the second capacitance; and a processing circuit, configured to determine if the electronic device is in the wearing state based on a capacitance difference between the first capacitance and the second capacitance. Via such structure, the touch state of the electronic device can be precisely acquired.Type: GrantFiled: February 24, 2022Date of Patent: December 13, 2022Assignee: PixArt Imaging Inc.Inventors: Ming-Hung Tsai, Tse-Chung Su, Ren-Hau Gu, Tzung-Min Su
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Publication number: 20220179450Abstract: An electronic device with a function of detecting a touch state, comprising: at least one first electrode, configured to generate a first capacitance reflecting a distance between the first electrode and an object; at least one second electrode, configured to generate a second capacitance reflecting a distance between the second electrode and the object, and wherein a first distance between the first electrode and the object is smaller than a second distance between the second electrode and the object when the electronic is in a wearing state; a capacitance calculating circuit, configured to calculate the first capacitance and the second capacitance; and a processing circuit, configured to determine if the electronic device is in the wearing state based on a capacitance difference between the first capacitance and the second capacitance. Via such structure, the touch state of the electronic device can be precisely acquired.Type: ApplicationFiled: February 24, 2022Publication date: June 9, 2022Applicant: PixArt Imaging Inc.Inventors: Ming-Hung Tsai, Tse-Chung Su, Ren-Hau Gu, Tzung-Min Su
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Patent number: 11294428Abstract: An electronic device which can detect a touch state, comprising: a front surface for showing images; at least one first electrode, provided in a first region; at least one second electrode, provided in a second region, wherein a distance between the first region and the front surface is larger than a distance between the second region and the front surface; a capacitance calculating circuit, configured to calculate at least one first capacitance generated by the first electrode and coupled to the second electrode to calculate at least one second capacitance generated by the second electrode, wherein the capacitance calculating circuit further calculates a capacitance difference between the first capacitance and the second capacitance; and a processing circuit, configured to determine the touch state according to the capacitance difference. Via such structure, the touch state of the electronic device can be precisely acquired.Type: GrantFiled: April 18, 2021Date of Patent: April 5, 2022Assignee: Pix Art Imaging Inc.Inventors: Ming-Hung Tsai, Tse-Chung Su, Ren-Hau Gu, Tzung-Min Su
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Publication number: 20210240220Abstract: An electronic device which can detect a touch state, comprising: a front surface for showing images; at least one first electrode, provided in a first region; at least one second electrode, provided in a second region, wherein a distance between the first region and the front surface is larger than a distance between the second region and the front surface; a capacitance calculating circuit, configured to calculate at least one first capacitance generated by the first electrode and coupled to the second electrode to calculate at least one second capacitance generated by the second electrode, wherein the capacitance calculating circuit further calculates a capacitance difference between the first capacitance and the second capacitance; and a processing circuit, configured to determine the touch state according to the capacitance difference. Via such structure, the touch state of the electronic device can be precisely acquired.Type: ApplicationFiled: April 18, 2021Publication date: August 5, 2021Inventors: Ming-Hung Tsai, Tse-Chung Su, Ren-Hau Gu, Tzung-Min Su
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Patent number: 11016535Abstract: A wearable electronic device which can detect a wearing state, comprising: at least one first electrode, provided in a first region of the wearable electronic device; at least one second electrode, provided in a second region of the wearable electronic device; a capacitance calculating circuit, configured to calculate first capacitances generated by the first electrode and configured to calculate second capacitances generated by the second electrode, wherein the capacitance calculating circuit further calculates a capacitance difference between the first capacitance and the second capacitance; and a processing circuit, configured to determine the wearing state according to the capacitance difference. Via such structure, a wearing state, a wearing location, a wearing angle of the electronic device can be automatically detected, thus the problem caused by an improper wearing manner can be improved.Type: GrantFiled: January 21, 2020Date of Patent: May 25, 2021Assignee: PixArt Imaging Inc.Inventors: Ming-Hung Tsai, Tse-Chung Su, Ren-Hau Gu, Tzung-Min Su
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Patent number: 10915184Abstract: An object navigation device comprising: at least one touch sensing surface; a control circuit, for setting a direction of the object navigation device according to a touch sensing condition. The touch sensing condition comprises at least one of following conditions: a number of touch regions, at least one relative position of touch regions, shapes of touch regions, tilting angle of at least one object touching the touch sensing surface. A corresponding object navigation method is also disclosed. By this way, the direction of the object navigation device can be automatically set according to the touch sensed by the object navigation device.Type: GrantFiled: January 10, 2020Date of Patent: February 9, 2021Assignee: PixArt Imaging Inc.Inventor: Tse-Chung Su
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Patent number: 10379638Abstract: A method of determining an adaptive DPI curve includes the steps of: detecting, by a sensing element, an object on a touch surface and outputting a detected frame; calculating, by a processing unit, a contact range according to the detected frame; and determining a DPI curve according to the contact range.Type: GrantFiled: January 9, 2015Date of Patent: August 13, 2019Assignee: PIXART IMAGING INC.Inventors: Chi-Chieh Liao, Han-Shu Lin, Tse-Chung Su
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Patent number: 10203774Abstract: A handheld device including: a body with an operating surface; a touch sensor for sensing a touch on the operating surface to output a touch signal; a displacement sensor configured with the body for sensing a displacement of the body to output a displacement signal; and a processor receiving the touch signal to respectively generate a control command and disable the touch signal for a first time duration when the displacement signal is larger than a moving threshold.Type: GrantFiled: July 20, 2017Date of Patent: February 12, 2019Assignee: PIXART IMAGING INC.Inventor: Tse-Chung Su
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Publication number: 20190025942Abstract: A handheld device including: a body with an operating surface; a touch sensor for sensing a touch on the operating surface to output a touch signal; a displacement sensor configured with the body for sensing a displacement of the body to output a displacement signal; and a processor receiving the touch signal to respectively generate a control command and disable the touch signal for a first time duration when the displacement signal is larger than a moving threshold.Type: ApplicationFiled: July 20, 2017Publication date: January 24, 2019Inventor: TSE-CHUNG SU
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Patent number: 9898137Abstract: An object positioning method for touch panel is disclosed. In the method, an amount of sensing of a sensing signal can be detected and a sensing coordinate of an object can be obtained based on the detection. A positioning coordinate of the object can be locked in a point-locked mode when the amount of sensing of the sensing signal decreases continuously to be larger than a first threshold time and the amount of sensing of the sensing signal is smaller than a first sensing threshold value. Otherwise, the point-locked mode of the positioning coordinate of the object can be unlocked when the amount of sensing of the sensing signal is larger than a first sensing threshold value.Type: GrantFiled: May 17, 2017Date of Patent: February 20, 2018Assignee: PIXART IMAGING INC.Inventors: Tse Chung Su, Ming Hung Tsai, Chi-Chieh Liao
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Patent number: 9785844Abstract: A lane identification method for identifying a lane whereon a vehicle is traveling, which includes: providing a drive video; generating an identification result of recognizing a plurality of lane lines corresponding to the line according the drive video, wherein the identification result is generated based on inside borderlines of the lane lines; and determining the lane according to the identification result.Type: GrantFiled: February 1, 2016Date of Patent: October 10, 2017Assignee: PixArt Imaging Inc.Inventor: Tse-Chung Su
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Publication number: 20170255333Abstract: An object positioning method for touch panel is disclosed. In the method, an amount of sensing of a sensing signal can be detected and a sensing coordinate of an object can be obtained based on the detection. A positioning coordinate of the object can be locked in a point-locked mode when the amount of sensing of the sensing signal decreases continuously to be larger than a first threshold time and the amount of sensing of the sensing signal is smaller than a first sensing threshold value. Otherwise, the point-locked mode of the positioning coordinate of the object can be unlocked when the amount of sensing of the sensing signal is larger than a first sensing threshold value.Type: ApplicationFiled: May 17, 2017Publication date: September 7, 2017Inventors: TSE CHUNG SU, MING HUNG TSAI, CHI-CHIEH LIAO
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Publication number: 20160299633Abstract: An object positioning method for touch panel is disclosed. The method includes steps as follows: obtaining a motion estimation vector according to the operational analysis of a positioning coordinate and a sensing coordinate, and determining whether the length of the motion estimation vector is smaller than a predetermined distance or not, if the length of the motion estimation vector is smaller than the predetermined distance, outputting the positioning coordinate; on the contrary, if the length of the motion estimation vector is larger than the predetermined distance, updating the value of the positioning coordinate and outputting the positioning coordinate updated.Type: ApplicationFiled: June 21, 2016Publication date: October 13, 2016Inventors: TSE CHUNG SU, MING HUNG TSAI, CHI-CHIEH LIAO
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Publication number: 20160148061Abstract: A lane identification method for identifying a lane whereon a vehicle is traveling, which includes: providing a drive video; generating an identification result of recognizing a plurality of lane lines corresponding to the line according the drive video, wherein the identification result is generated based on inside borderlines of the lane lines; and determining the lane according to the identification result.Type: ApplicationFiled: February 1, 2016Publication date: May 26, 2016Inventor: Tse-Chung Su
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Publication number: 20160132172Abstract: An object state determining method, for determining a state for an object on a sensing surface of a touch control apparatus, comprising: (a) computing a sensing length according at least one touch sensing amount that the object causes to the sensing surface; (b) determining an object state of the object according to an arrangement of the sensing length. A touch control apparatus applying the object state determining method is also disclosed.Type: ApplicationFiled: August 2, 2015Publication date: May 12, 2016Inventors: Tse-Chung Su, Chi-Chieh Liao
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Patent number: 9286805Abstract: The present invention provides a lane departure warning system including an image sensing device, an identification module and a determination module. The image sensing device generates a video. The identification module identifies a plurality of lane lines of at least one lane on which a vehicle is currently driven from the video, to generate an identification result, wherein the identification result is generated based on specific borderlines of the lane lines. The determination module determines a determination strategy according to vehicle speed information, and generates a determination result according to the determination strategy and the identification result. The lane departure warning system determines whether to issue a warning according to the determination result.Type: GrantFiled: July 26, 2013Date of Patent: March 15, 2016Assignee: PixArt Imaging Inc.Inventors: Tse-Chung Su, Ming-Tsan Kao
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Patent number: 9152272Abstract: A multipoint positioning method for a touchpad including the steps of: scanning a touchpad to retrieve two-dimensional data; calculating an object area and a number of maxima of local maxima in the two-dimensional data; comparing the object area with an area threshold when the number of maxima is larger than 1; and identifying positions of the local maxima as a plurality of contact positions when the object area is larger than or equal to the area threshold.Type: GrantFiled: August 22, 2013Date of Patent: October 6, 2015Assignee: PIXART IMAGING INC.Inventors: Hsin-Chia Chen, Tse-Chung Su, Ming-Tsan Kao
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Publication number: 20150268789Abstract: There is provided a method for preventing accidentally triggering edge swipe gestures adapted to a touch control system including a touch surface. The method includes the steps of: recording first information when a first gesture is detected to end at a periphery of the touch surface; recording second information when a second gesture is detected to start at the periphery of the touch surface; and determining, by a processor, whether to trigger an edge swipe gesture of the touch control system according to the first information and the second information.Type: ApplicationFiled: January 23, 2015Publication date: September 24, 2015Inventors: CHI-CHIEH LIAO, TSE-CHUNG SU, MING-HUNG TSAI
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Publication number: 20150205375Abstract: A method of determining an adaptive DPI curve includes the steps of: detecting, by a sensing element, an object on a touch surface and outputting a detected frame; calculating, by a processing unit, a contact range according to the detected frame; and determining a DPI curve according to the contact range.Type: ApplicationFiled: January 9, 2015Publication date: July 23, 2015Inventors: Chi-Chieh LIAO, Han-Shu LIN, Tse-Chung SU