Patents by Inventor YA-JU CHANG

YA-JU CHANG 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: 20240114989
    Abstract: An upper for an article of footwear is configured to be connected to a sole structure and is configured to receive a foot. The upper includes a knitted component having a strobel portion that is configured to be disposed underneath the foot. The strobel portion defines an interior surface and an exterior surface of the knitted component. The strobel portion defines a strobel passage between the interior surface and the exterior surface. Also, the upper includes a tensile strand that extends through the strobel passage.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 11, 2024
    Inventors: Daniel A. Podhajny, Chung-Ming Chang, Ya-Fang Chen, Pei-Ju Su
  • Publication number: 20240077392
    Abstract: According to the present disclosure, a measuring method of liquid mixture purity includes steps as follows. A storage tank is provided, wherein the storage tank is configured for storing a liquid mixture including formic acid and water. A calculating unit is provided, wherein a plurality of formic acid purity values are saved in the calculating unit. A pressure-decreasing and heating step is performed by reducing a pressure of the storage tank and heating the storage tank. A measuring step is performed by measuring in the inner space of the storage tank to obtain a pressure value, and measuring the liquid mixture simultaneously to obtain a temperature value. A calculating step is performed by inputting the pressure value and the temperature value into the calculating unit, wherein the calculating unit outputs one of the formic acid purity values corresponding thereto.
    Type: Application
    Filed: April 11, 2023
    Publication date: March 7, 2024
    Inventors: Kuo-Liang YEH, Ya-Ju CHANG, Jung-Kuei PENG, Sheng-Tang CHANG, Min-Wen WENG, Wen-Ting HUANG
  • Patent number: 11911663
    Abstract: A training device and a training method for reducing hypertonic are disclosed. The training device includes a base, a driving circuit, two pedals, a control circuit, and a switch circuit. The driving circuit is fixed on the base. Each of the two pedals is coupled to the base. The driving circuit drives each of the two pedals to swing repeatedly between a first position and a second position relative to the base. When the control circuit executes a training program, the control circuit actuates the driving circuit.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: February 27, 2024
    Assignee: CHANG GUNG UNIVERSITY
    Inventors: Ya-Ju Chang, Hsiao-Lung Chan, Jiunn-Woei Liaw, Cheng-Chung Kuo
  • Patent number: 11712178
    Abstract: A plantar pressure sensing system is located at a sole of shoe. The plantar pressure sensing system includes a first layer, a second layer a plurality of sensor, a plurality of convex portions, a plurality of connection portions, a processor and a storage. The processor is coupled with the storage and configured to be connected with the plurality of sensors. The plurality of sensors are configured to form the first layer. The plurality of convex portions and the plurality of connection portions are configured to form the second layer. Overall, the plantar pressure sensing system is able to detect pressure with the sensors by setting the alignment of the convex portions, thereby obtaining a more accurate pressure(s) reading from the sole of shoe. The data validity of the plantar pressure sensing system is improved.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: August 1, 2023
    Assignee: CHANG GUNG UNIVERSITY
    Inventors: Hsiao-Lung Chan, Jiunn-Woei Liaw, Ya-Ju Chang, Cheng-Chung Kuo
  • Publication number: 20230182237
    Abstract: A processing method of formic acid soldering includes providing a solder, performing a formic acid providing step, performing a soldering step and performing a cooling step. The solder is disposed at a soldering object. In the formic acid providing step, a water-containing formic acid vapor extracted from a formic acid source is introduced to a soldering object so as to form a water-containing formic acid atmosphere surrounding the soldering object. In the soldering step, the solder and the soldering object are soldered in the water-containing formic acid atmosphere at a soldering temperature so as to form a soldered object with high temperature. In the cooling step, the soldered object with high temperature is cooled by a cooling method so as to form a soldered object. A range of a moisture content of the formic acid source is greater than or equal to 0.1 wt % and less than 15 wt %.
    Type: Application
    Filed: August 19, 2022
    Publication date: June 15, 2023
    Inventors: Kuo-Liang YEH, Jung-Kuei PENG, Ya Ju CHANG, Wen-Ting HUANG
  • Publication number: 20230158230
    Abstract: An infusion apparatus and a method for testing extravasation are provided. The infusion apparatus includes a liquid driver, a detection unit, and a controller. The controller controls the liquid driver to be operated, so that an input liquid provided by a infusion supply unit is injected into a living body through a tube and a needle, and a blood return detecting procedure is performed. The blood return detecting procedure includes a stop driving step implemented by controlling the liquid driver to stop operating; and a determining step implemented by controlling the detection unit to test a state of a section of the tube adjacent to the needle to generate a detected signal, and determining whether or not the blood of the living body returns to the tube according to the detected signal.
    Type: Application
    Filed: October 4, 2022
    Publication date: May 25, 2023
    Inventors: SHIN-YU LIEN, CHAO-SUNG LAI, YA-JU CHANG
  • Publication number: 20230053908
    Abstract: A training device and a training method for reducing hypertonic are disclosed. The training device includes a base, a driving circuit, two pedals, a control circuit, and a switch circuit. The driving circuit is fixed on the base. Each of the two pedals is coupled to the base. The driving circuit drives each of the two pedals to swing repeatedly between a first position and a second position relative to the base. When the control circuit executes a training program, the control circuit actuates the driving circuit.
    Type: Application
    Filed: March 23, 2022
    Publication date: February 23, 2023
    Inventors: YA-JU CHANG, HSIAO-LUNG CHAN, JIUNN-WOEI LIAW, CHENG-CHUNG KUO
  • Patent number: 11363968
    Abstract: A center of pressure (CoP) based control system includes a sensing device and an electronic device connected to the sensing device. The sensing device includes sensors each of which continuously measures force exerted thereon by a subject and generates a sense signal based on a result of the measurement. The electronic device is connected to the sensing device, and receives the sense signals from the respective sensors, generates CoP data associated with a CoP trajectory based on the sense signals, determines whether a turning point exists in the CoP trajectory, generates an indication signal based on a result of the determination, and generates a control signal based on a direction of one of displacements of the CoP.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: June 21, 2022
    Assignee: Chang Gung University
    Inventors: Ya-Ju Chang, Jiunn-Woei Liaw, Hung-Bin Chen
  • Patent number: 11202584
    Abstract: A gait aid is to be disposed on a shoe, and includes a detecting module, a control circuit and a projecting module. The detecting module generates a sense output based on pressure exerted on a sole of the shoe. The control circuit generates a control signal based at least on the sense output generated by the detecting module. The projecting module is electrically coupled to the control circuit for receiving the control signal therefrom, and is operable, based on the control signal, to project or not to project a cueing mark.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: December 21, 2021
    Assignee: Chang Gung University
    Inventor: Ya-Ju Chang
  • Patent number: 11172867
    Abstract: A device for recording physiological information includes a carrier board comprising a plurality of force transducers and a plurality of contact sensing elements; and a processing unit, coupled to the force transducers and the contact sensing elements, configured to determine a center of gravity (COG) according to outputs of the force transducers, configured to determine a contacted range according to outputs of the plurality of contact sensing elements, configured to record the center of gravity and the contacted range, wherein the gravity and the contacted range substantially correspond to the same time point.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: November 16, 2021
    Assignee: CHANG GUNG UNIVERSITY
    Inventors: Ya-Ju Chang, Jiunn-Woei Liaw
  • Publication number: 20210307646
    Abstract: A plantar pressure sensing system is located at a sole of shoe. The plantar pressure sensing system comprises at least a first layer and at least a second layer. Furthermore, the plantar pressure sensing system includes: a plurality of sensor, a plurality of convex portions, a plurality of connection portions, at least a processor and at least a storage. The processor is coupled with the storage and configured to be connected with the plurality of sensors. The plurality of sensors are configured to form the first layer. The plurality of convex portions and the plurality of connection portions are configured to form the second layer. Overall, the plantar pressure sensing system is able to detect pressure with the sensors by setting the alignment of the convex portions, thereby obtaining a more accurate pressure(s) reading from the sole of shoe. The data validity of the plantar pressure sensing system is improved.
    Type: Application
    Filed: April 1, 2021
    Publication date: October 7, 2021
    Inventors: Hsiao-Lung Chan, Jiunn-Woei Liaw, Ya-Ju Chang, Cheng-Chung Kuo
  • Patent number: 10860058
    Abstract: An expandable electronic computing system including an electronic computing system comprising: at least at least a graphics processing unit for generating a PCI-E signal; a signal conversion unit for receiving a PCI-E signal and converting it into a USB signal; a main control unit for driving the signal conversion unit to operate; a USB interface device for receiving the USB signal transmitted by the signal conversion unit, and for transmitting the USB signal to a USB port of an external host through a USB transmission cable. Accordingly, the USB signal generated by one or more electronic computing systems can be transmitted to the external host through the USB port, thereby improving the computing ability of the external host to perform graphics processing tasks or general computing tasks.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: December 8, 2020
    Assignee: Talos Technology Enterprise Co., Ltd
    Inventors: Ya Ju Chang, Jisun Kim
  • Publication number: 20200201389
    Abstract: An expandable electronic computing system including an electronic computing system comprising: at least at least a graphics processing unit for generating a PCI-E signal; a signal conversion unit for receiving a PCI-E signal and converting it into a USB signal; a main control unit for driving the signal conversion unit to operate; a USB interface device for receiving the USB signal transmitted by the signal conversion unit, and for transmitting the USB signal to a USB port of an external host through a USB transmission cable. Accordingly, the USB signal generated by one or more electronic computing systems can be transmitted to the external host through the USB port, thereby improving the computing ability of the external host to perform graphics processing tasks or general computing tasks.
    Type: Application
    Filed: December 23, 2019
    Publication date: June 25, 2020
    Inventors: Ya Ju CHANG, Jisun KIM
  • Publication number: 20200069234
    Abstract: A device for recording physiological information includes a carrier board comprising a plurality of force transducers and a plurality of contact sensing elements; and a processing unit, coupled to the force transducers and the contact sensing elements, configured to determine a center of gravity (COG) according to outputs of the force transducers, configured to determine a contacted range according to outputs of the plurality of contact sensing elements, configured to record the center of gravity and the contacted range, wherein the gravity and the contacted range substantially correspond to the same time point.
    Type: Application
    Filed: September 3, 2019
    Publication date: March 5, 2020
    Inventors: Ya-Ju CHANG, JIUNN-WOEI LIAW
  • Publication number: 20190336040
    Abstract: The present disclosure relates a walking assist device, including: a sensor configured to detect a movement of an user and to generate detection signals, a step length module configured to calculate a step length, a controller connected to the sensor and the step length module, and an output module. The controller is configured to determine a step status according to the detection signals, and to generate control signals according to the step status and the step length. The output module is disposed on a shoe body. The output module connects to the controller, and the output module is configured to issue a step cue according to the control signals.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Inventors: YA-JU CHANG, JIUNN-WOEI LIAW, HSIAO-LUNG CHAN
  • Publication number: 20180329664
    Abstract: Methods, apparatuses, and computer readable media for controlling virtual image scenarios in plurality display devices are disclosed. The method comprising: establishing, by a first display device in the virtual image system, a first virtual image scenario according to at least one predetermined image; receiving, by the first display device, a control signal; calculating, by the first display device, an absolute coordinate value corresponding to the at least one predetermined image according to an orientation and a view field of the first display device and the control signal; and displaying, by the first display device, a first object in the first virtual image scenario according to the absolute coordinate value.
    Type: Application
    Filed: August 17, 2017
    Publication date: November 15, 2018
    Inventors: YA-JU CHANG, HUNG-BIN CHEN
  • Publication number: 20180271913
    Abstract: Pharmaceutical compositions for promoting hair follicle regeneration and their respective preparation methods are provided to overcome the ineffectiveness and low efficiency of the conventional hair follicle regeneration techniques. The methods for preparing the pharmaceutical compositions for promoting hair follicle regeneration include seeding dermal papilla cells and adipocyte lineage cells on a culture material in order for the dermal papilla cells and the adipocyte lineage cells to jointly assemble cell spheres. The pharmaceutical compositions can effectively enhance the effect and efficiency of hair follicle regeneration and thereby promote the regeneration of hair follicles.
    Type: Application
    Filed: March 21, 2017
    Publication date: September 27, 2018
    Inventors: CHIA-CHING WU, CHIN-FU HUANG, YA-JU CHANG, YUAN-YU HSUEH
  • Publication number: 20180160941
    Abstract: A center of pressure (CoP) based control system includes a sensing device and an electronic device connected to the sensing device. The sensing device includes sensors each of which continuously measures force exerted thereon by a subject and generates a sense signal based on a result of the measurement. The electronic device is connected to the sensing device, and receives the sense signals from the respective sensors, generates CoP data associated with a CoP trajectory based on the sense signals, determines whether a turning point exists in the CoP trajectory, generates an indication signal based on a result of the determination, and generates a control signal based on a direction of one of displacements of the CoP.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 14, 2018
    Applicant: Chang Gung University
    Inventors: Ya-Ju Chang, Jiunn-Woei Liaw, Hung-Bin Chen
  • Publication number: 20180035921
    Abstract: A gait aid is to be disposed on a shoe, and includes a detecting module, a control circuit and a projecting module. The detecting module generates a sense output based on pressure exerted on a sole of the shoe. The control circuit generates a control signal based at least on the sense output generated by the detecting module. The projecting module is electrically coupled to the control circuit for receiving the control signal therefrom, and is operable, based on the control signal, to project or not to project a cueing mark.
    Type: Application
    Filed: August 4, 2017
    Publication date: February 8, 2018
    Inventor: Ya-Ju Chang
  • Patent number: 9307310
    Abstract: A wearable portable electronic device including a body and a speaker is provided. The body includes a base and a sidewall surrounding the base, wherein the sidewall has at least one opening. The speaker is disposed in the body, wherein a sound wave produced by the speaker is transmitted outward through the opening. An orthogonal projection of the speaker on the base is separated from an orthogonal projection of the opening on the base.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: April 5, 2016
    Assignee: Acer Incorporated
    Inventors: Ya-Ju Chang, Jia-Ren Chang