Patents by Inventor Xiaoxiang Chen

Xiaoxiang Chen 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).

  • Publication number: 20240270847
    Abstract: Provided are a method for depleting regulatory T cells (Tregs) and/or increasing the proportion of CD8+ T cells/Tregs in a subject, a method for treating a refractory cancer in a subject, a combination therapy for treating a cancer, a method for reducing side effects of treating a cancer using a CTLA4 antibody, a method for implementing long-term administration or administration when necessary for a cancer patient, an administration method for an anti-CTLA-4 single heavy chain antibody, a unit dose composition, the use of an anti-CTLA-4 single heavy chain antibody in preparation of a drug, a method for determining the administration dose of an anti-tumor drug, and a method for determining the administration form of an anti-tumor drug.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 15, 2024
    Applicant: HARBOUR BIOMED (SHANGHAI) CO., LTD.
    Inventors: Xin GAN, Jinfeng XIANG, Xiaolu TAO, Jinfeng JI, Xiaoxiang CHEN
  • Patent number: 10884563
    Abstract: A method for determining a change of an initial distance of a sensing electrode is provided. The method includes: calculating a real-time pressure output by each sensing electrode according to real-time feature data output by each sensing electrode in a touch screen when a pressure is applied on the touch screen and a corresponding relationship between the feature data and the pressure; rectifying the real-time pressure output by each sensing electrode according to prestored relative elastic coefficients at different press positions relative to each sensing electrode; and determining a sensing electrode whose initial distance is changed among all the sensing electrodes according to a difference between the rectified real-time pressures output by different sensing electrodes, to calibrate the corresponding relationship between the feature data and the pressures of the sensing electrode whose initial distance is changed.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: January 5, 2021
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Xintao Gui, Xiaoxiang Chen, Xiang Zhong
  • Patent number: 10534469
    Abstract: The present invention relates to the field of touch technologies, and provides a force detection method, apparatus and device. The force detection method includes: receiving a deformation caused by external force and identified by at least one sensing electrode, and converting the deformation into a corresponding raw feature value characterized by an electrical signal, wherein the raw feature value corresponds to the force; and calculating force information fed back by the at least one sensing electrode according to the raw feature value of the at least one sensing electrode. With the force detection method, apparatus and device according to the invention, when a plurality of positions is pressed by force, the force information at each position may be accurately acquired. In practice, multi-finger press detection may be implemented on the touch screen by using fewer electrodes, thereby reducing the cost and improving the user experience.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: January 14, 2020
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Xintao Gui, Xiaoxiang Chen, Jian Cui, Zhiyou Chen
  • Patent number: 10474273
    Abstract: The present disclosure provide a method for detecting a force, including: acquiring a plurality of sample data of a first electronic device, where each of the plurality of sample data includes a preset force and raw data of the first electronic device, and the raw data of the first electronic device is obtained by detecting a deformation signal generated by the preset force applied to an input medium of the first electronic device; and determining a fitting function according to the plurality of sample data of the first electronic device, where the fitting function denotes a corresponding relationship between a force applied to the input medium of the first electronic device and detected raw data, and the fitting function is used for a second electronic device to determine a force corresponding to raw data detected when an input medium of the second electronic device is subjected to an acting force.
    Type: Grant
    Filed: September 3, 2017
    Date of Patent: November 12, 2019
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Xintao Gui, Xiaoxiang Chen, Xiang Zhong
  • Patent number: 10429982
    Abstract: The present disclosure provide a method for detecting a force, including: acquiring a plurality of sample data of a first electronic device, where each of the plurality of sample data comprises a preset force and raw data of the first electronic device, the raw data of the first electronic device is obtained by detecting a deformation signal which is generated by applying the preset force on an input medium of the first electronic device; and determining a fitting function according to the plurality of sample data, where the fitting function denotes a corresponding relationship between a force applied to the first electronic device and detected raw data, and the fitting function is for allowing a second electronic device to determine a force corresponding to detected raw data when an input medium of the second electronic device is subjected to an acting force.
    Type: Grant
    Filed: September 3, 2017
    Date of Patent: October 1, 2019
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Xintao Gui, Xiaoxiang Chen, Xiang Zhong
  • Patent number: 10241632
    Abstract: The present disclosure relates to a touch technology field, provides a touch detecting method for a touch sensor, the method comprises the following steps: putting the touch sensor into a mutual capacitance mode and a self capacitance mode alternatively, and scanning and detecting the rows and columns of a capacitance array of the touch sensor; when a touch state is preliminarily judged as no touch according to a scanning and detecting result in the mutual capacitance mode, implementing envelopment analysis for data obtained by sampling in the self capacitance mode and determining whether the touch exists in the mutual capacitance mode, updating no reference in the mutual capacitance mode if the touch exists, and updating the reference in the mutual capacitance mode if no touch exists.
    Type: Grant
    Filed: September 9, 2017
    Date of Patent: March 26, 2019
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Lei Dai, Zhenyu Zhong, Jinchun Ye, Haolei Wang, Xiaoxiang Chen
  • Publication number: 20180364867
    Abstract: A method for determining a change of an initial distance of a sensing electrode is provided. The method includes: calculating a real-time pressure output by each sensing electrode according to real-time feature data output by each sensing electrode in a touch screen when a pressure is applied on the touch screen and a corresponding relationship between the feature data and the pressure; rectifying the real-time pressure output by each sensing electrode according to prestored relative elastic coefficients at different press positions relative to each sensing electrode; and determining a sensing electrode whose initial distance is changed among all the sensing electrodes according to a difference between the rectified real-time pressures output by different sensing electrodes, to calibrate the corresponding relationship between the feature data and the pressures of the sensing electrode whose initial distance is changed.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 20, 2018
    Inventors: Xintao GUI, Xiaoxiang CHEN, Xiang ZHONG
  • Publication number: 20180224995
    Abstract: The present invention relates to the field of touch technologies, and provides a force detection method, apparatus and device. The force detection method includes: receiving a deformation caused by external force and identified by at least one sensing electrode, and converting the deformation into a corresponding raw feature value characterized by an electrical signal, wherein the raw feature value corresponds to the force; and calculating force information fed back by the at least one sensing electrode according to the raw feature value of the at least one sensing electrode. With the force detection method, apparatus and device according to the invention, when a plurality of positions is pressed by force, the force information at each position may be accurately acquired. In practice, multi-finger press detection may be implemented on the touch screen by using fewer electrodes, thereby reducing the cost and improving the user experience.
    Type: Application
    Filed: April 2, 2018
    Publication date: August 9, 2018
    Inventors: Xintao Gui, Xiaoxiang Chen, Jian Cui, Zhiyou Chen
  • Publication number: 20180113591
    Abstract: The present disclosure provides a method of realizing function adjustment by using a virtual frame region and a mobile terminal thereof, the method comprises: sensing a touch event concurrently with a contact, and determining whether the touch event belongs to a sliding event; when the touch event belongs to the sliding event, further determining a direction attribute and a location of the sliding event; when the sliding event occurs in the first virtual frame region, switching a function item currently displayed in the first virtual frame region according to the direction attribute; and when the sliding event occurs in the second virtual frame region, adjusting the function parameters of the current function item according to the direction attribute. In the present disclosure, the left side section and right side section of the virtual frame region are set as a function switching region and a function parameter adjusting region, respectively. User experience can be greatly enhanced.
    Type: Application
    Filed: April 20, 2016
    Publication date: April 26, 2018
    Inventors: Xiaoxiang CHEN, Yingchao MA
  • Patent number: 9952712
    Abstract: The present invention provides a method for communication between a touch control device and an external device, comprising the following steps: when an external device communicates with a touch screen, sending, by the external device, 1-bit data to the touch screen within each sending period, wherein the 1-bit data sent within each sending period is a combination of a valid signal and an invalid signal, or an invalid signal; scanning, by the touch screen, the bit data based on a predetermined scanning period to obtain N frames of scanned data, wherein the predetermined scanning period is 1/N of the sending period; obtaining a strength of an LCD interference signal according to one frame of data having a minimum signal strength among the N frames of scanned data; and reducing noise for the N frames of scanned data according to the strength of the LCD interference signal.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: April 24, 2018
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO, LTD.
    Inventors: Xiaoxiang Chen, Jun Fang
  • Patent number: 9946378
    Abstract: Noise reduction method and system for a touch detection device are disclosed. The noise reduction method includes: step A, performing a synchronous sampling on the touch detection nodes in one same group and storing the sampling data; step B, comparing each sampling data against a corresponding reference data to calculate a differential data which, as a detection data, replaces a corresponding original sampling data; step C, calculating statistics of the replacing detection data to screen out valid data to calculate a DC offset component indicative of a noise ingredient; and step D, obtaining noise-filtered detection data by subtracting the DC offset component from each detection data.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: April 17, 2018
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Gengchun Deng, Xiaoxiang Chen
  • Publication number: 20180081482
    Abstract: A pressure detection method includes: using a pressure sensing layer to sense multiple values of pressure parameter variation generated by a user's pressing operation; generating multiple feature values according to the multiple values of pressure parameter variation; selecting at least one feature value from the multiple feature values as a current feature value; obtaining a predetermined relationship between feature value of a current sensing unit and pressure from predetermined relationships between multiple feature values of the sensing units and pressures; and calculating a current pressure corresponding to the current feature value according to the predetermined relationship between feature value of the current sensing unit and pressure. A touch control chip and the pressure detection module are also provided.
    Type: Application
    Filed: November 15, 2017
    Publication date: March 22, 2018
    Applicant: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Xintao GUI, Xiaoxiang CHEN, Xiang ZHONG
  • Publication number: 20180011583
    Abstract: The present disclosure provide a method for detecting a force, including: acquiring a plurality of sample data of a first electronic device, where each of the plurality of sample data includes a preset force and raw data of the first electronic device, and the raw data of the first electronic device is obtained by detecting a deformation signal generated by the preset force applied to an input medium of the first electronic device; and determining a fitting function according to the plurality of sample data of the first electronic device, where the fitting function denotes a corresponding relationship between a force applied to the input medium of the first electronic device and detected raw data, and the fitting function is used for a second electronic device to determine a force corresponding to raw data detected when an input medium of the second electronic device is subjected to an acting force.
    Type: Application
    Filed: September 3, 2017
    Publication date: January 11, 2018
    Inventors: Xintao GUI, Xiaoxiang CHEN, Xiang ZHONG
  • Publication number: 20170371455
    Abstract: The present disclosure relates to a touch technology field, provides a touch detecting method for a touch sensor, the method comprises the following steps: putting the touch sensor into a mutual capacitance mode and a self capacitance mode alternatively, and scanning and detecting the rows and columns of a capacitance array of the touch sensor; when a touch state is preliminarily judged as no touch according to a scanning and detecting result in the mutual capacitance mode, implementing envelopment analysis for data obtained by sampling in the self capacitance mode and determining whether the touch exists in the mutual capacitance mode, updating no reference in the mutual capacitance mode if the touch exists, and updating the reference in the mutual capacitance mode if no touch exists.
    Type: Application
    Filed: September 9, 2017
    Publication date: December 28, 2017
    Inventors: Lei DAI, Zhenyu ZHONG, Jinchun YE, Haolei WANG, Xiaoxiang CHEN
  • Publication number: 20170364192
    Abstract: The present disclosure provide a method for detecting a force, including: acquiring a plurality of sample data of a first electronic device, where each of the plurality of sample data comprises a preset force and raw data of the first electronic device, the raw data of the first electronic device is obtained by detecting a deformation signal which is generated by applying the preset force on an input medium of the first electronic device; and determining a fitting function according to the plurality of sample data, where the fitting function denotes a corresponding relationship between a force applied to the first electronic device and detected raw data, and the fitting function is for allowing a second electronic device to determine a force corresponding to detected raw data when an input medium of the second electronic device is subjected to an acting force.
    Type: Application
    Filed: September 3, 2017
    Publication date: December 21, 2017
    Inventors: Xintao GUI, Xiaoxiang CHEN, Xiang ZHONG
  • Patent number: 9798428
    Abstract: The present invention relates to a touch technology field, provides a touch detecting method for a touch sensor, the method comprises the following steps: putting the touch sensor into a mutual capacitance mode and a self capacitance mode alternatively, and scanning and detecting the rows and columns of a capacitance array of the touch sensor; when a touch state is preliminarily judged as a multi-touch according to a scanning and detecting result in the mutual capacitance mode, implementing envelopment analysis for data obtained by sampling in the self capacitance mode, determining whether the touch state in the mutual capacitance mode is a single touch or the multi-touch, outputting one touch coordinate if the touch state is the single touch; and outputting a plurality of touch coordinates if the touch state is the multi-touch. The present invention also provides a touch detecting system and a touch terminal for the touch sensor.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: October 24, 2017
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventors: Lei Dai, Zhenyu Zhong, Jinchun Ye, Haolei Wang, Xiaoxiang Chen
  • Publication number: 20160209983
    Abstract: The present invention provides a method for communication between a touch control device and an external device, comprising the following steps: when an external device communicates with a touch screen, sending, by the external device, 1-bit data to the touch screen within each sending period, wherein the 1-bit data sent within each sending period is a combination of a valid signal and an invalid signal, or an invalid signal; scanning, by the touch screen, the bit data based on a predetermined scanning period to obtain N frames of scanned data, wherein the predetermined scanning period is 1/N of the sending period; obtaining a strength of an LCD interference signal according to one frame of data having a minimum signal strength among the N frames of scanned data; and reducing noise for the N frames of scanned data according to the strength of the LCD interference signal.
    Type: Application
    Filed: March 30, 2016
    Publication date: July 21, 2016
    Inventors: XIAOXIANG CHEN, JUN FANG
  • Patent number: 9348449
    Abstract: Noise reduction method and system for a touch detection device are disclosed. The noise reduction method includes: step A, performing a synchronous sampling on the touch detection nodes in one same group and storing the sampling data; step B, comparing each sampling data against a corresponding reference data to calculate a differential data which, as a detection data, replaces a corresponding original sampling data; step C, calculating statistics of the replacing detection data to screen out valid data to calculate a DC offset component indicative of a noise ingredient; and step D, obtaining noise-filtered detection data by subtracting the DC offset component from each detection data.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: May 24, 2016
    Assignee: SHENZHEN HUIDING TECHNOLOGY CO., LTD.
    Inventors: Gengchun Deng, Xiaoxiang Chen
  • Publication number: 20150077394
    Abstract: The present invention relates to a touch technology field, provides a touch detecting method for a touch sensor, the method comprises the following steps: putting the touch sensor into a mutual capacitance mode and a self capacitance mode alternatively, and scanning and detecting the rows and columns of a capacitance array of the touch sensor; when a touch state is preliminarily judged as a multi-touch according to a scanning and detecting result in the mutual capacitance mode, implementing envelopment analysis for data obtained by sampling in the self capacitance mode, determining whether the touch state in the mutual capacitance mode is a single touch or the multi-touch, outputting one touch coordinate if the touch state is the single touch; and outputting a plurality of touch coordinates if the touch state is the multi-touch. The present invention also provides a touch detecting system and a touch terminal for the touch sensor.
    Type: Application
    Filed: November 25, 2014
    Publication date: March 19, 2015
    Inventors: Lei Dai, Zhenyu Zhong, Jinchun Ye, Haolei Wang, Xiaoxiang Chen
  • Patent number: D1009776
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: January 2, 2024
    Inventor: Xiaoxiang Chen