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).
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Publication number: 20240114989Abstract: 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: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Inventors: Daniel A. Podhajny, Chung-Ming Chang, Ya-Fang Chen, Pei-Ju Su
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Publication number: 20240077392Abstract: 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: ApplicationFiled: April 11, 2023Publication date: March 7, 2024Inventors: Kuo-Liang YEH, Ya-Ju CHANG, Jung-Kuei PENG, Sheng-Tang CHANG, Min-Wen WENG, Wen-Ting HUANG
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Patent number: 11911663Abstract: 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: GrantFiled: March 23, 2022Date of Patent: February 27, 2024Assignee: CHANG GUNG UNIVERSITYInventors: Ya-Ju Chang, Hsiao-Lung Chan, Jiunn-Woei Liaw, Cheng-Chung Kuo
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Patent number: 11712178Abstract: 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: GrantFiled: April 1, 2021Date of Patent: August 1, 2023Assignee: CHANG GUNG UNIVERSITYInventors: Hsiao-Lung Chan, Jiunn-Woei Liaw, Ya-Ju Chang, Cheng-Chung Kuo
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Publication number: 20230182237Abstract: 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: ApplicationFiled: August 19, 2022Publication date: June 15, 2023Inventors: Kuo-Liang YEH, Jung-Kuei PENG, Ya Ju CHANG, Wen-Ting HUANG
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Publication number: 20230158230Abstract: 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: ApplicationFiled: October 4, 2022Publication date: May 25, 2023Inventors: SHIN-YU LIEN, CHAO-SUNG LAI, YA-JU CHANG
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Publication number: 20230053908Abstract: 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: ApplicationFiled: March 23, 2022Publication date: February 23, 2023Inventors: YA-JU CHANG, HSIAO-LUNG CHAN, JIUNN-WOEI LIAW, CHENG-CHUNG KUO
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Patent number: 11363968Abstract: 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: GrantFiled: December 11, 2017Date of Patent: June 21, 2022Assignee: Chang Gung UniversityInventors: Ya-Ju Chang, Jiunn-Woei Liaw, Hung-Bin Chen
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Patent number: 11202584Abstract: 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: GrantFiled: August 4, 2017Date of Patent: December 21, 2021Assignee: Chang Gung UniversityInventor: Ya-Ju Chang
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Patent number: 11172867Abstract: 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: GrantFiled: September 3, 2019Date of Patent: November 16, 2021Assignee: CHANG GUNG UNIVERSITYInventors: Ya-Ju Chang, Jiunn-Woei Liaw
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Publication number: 20210307646Abstract: 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: ApplicationFiled: April 1, 2021Publication date: October 7, 2021Inventors: Hsiao-Lung Chan, Jiunn-Woei Liaw, Ya-Ju Chang, Cheng-Chung Kuo
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Patent number: 10860058Abstract: 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: GrantFiled: December 23, 2019Date of Patent: December 8, 2020Assignee: Talos Technology Enterprise Co., LtdInventors: Ya Ju Chang, Jisun Kim
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Publication number: 20200201389Abstract: 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: ApplicationFiled: December 23, 2019Publication date: June 25, 2020Inventors: Ya Ju CHANG, Jisun KIM
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Publication number: 20200069234Abstract: 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: ApplicationFiled: September 3, 2019Publication date: March 5, 2020Inventors: Ya-Ju CHANG, JIUNN-WOEI LIAW
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Publication number: 20190336040Abstract: 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: ApplicationFiled: July 17, 2019Publication date: November 7, 2019Inventors: YA-JU CHANG, JIUNN-WOEI LIAW, HSIAO-LUNG CHAN
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Publication number: 20180329664Abstract: 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: ApplicationFiled: August 17, 2017Publication date: November 15, 2018Inventors: YA-JU CHANG, HUNG-BIN CHEN
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Publication number: 20180271913Abstract: 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: ApplicationFiled: March 21, 2017Publication date: September 27, 2018Inventors: CHIA-CHING WU, CHIN-FU HUANG, YA-JU CHANG, YUAN-YU HSUEH
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Publication number: 20180160941Abstract: 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: ApplicationFiled: December 11, 2017Publication date: June 14, 2018Applicant: Chang Gung UniversityInventors: Ya-Ju Chang, Jiunn-Woei Liaw, Hung-Bin Chen
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Publication number: 20180035921Abstract: 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: ApplicationFiled: August 4, 2017Publication date: February 8, 2018Inventor: Ya-Ju Chang
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Patent number: 9307310Abstract: 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: GrantFiled: March 19, 2014Date of Patent: April 5, 2016Assignee: Acer IncorporatedInventors: Ya-Ju Chang, Jia-Ren Chang