Patents by Inventor Kuang Chang
Kuang 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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Patent number: 12261980Abstract: A marking method on image combined with sound signal, a terminal apparatus, and a server are provided. In the method, a first image is displayed. A selection command is detected. A target sound signal is embedded into a speech signal so as to generate a combined sound signal. The combined sound signal is transmitted. The selection command corresponds to a target region in the first image, and the selection command is generated selecting the target region through an input operation. The target sound signal corresponds to the target region of the selection command, and the speech signal is obtained by receiving sound. Accordingly, all attendants in the video conference are able to make makings on a shared screen.Type: GrantFiled: November 21, 2022Date of Patent: March 25, 2025Assignee: Acer IncorporatedInventors: Po-Jen Tu, Ming-Chun Fang, Jia-Ren Chang, Kai-Meng Tzeng, Chao-Kuang Yang
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Patent number: 12253776Abstract: A method of forming an electronic device including: providing an assembly, wherein the assembly includes a substrate, an optical film, a plurality of color filters and a defect, wherein the plurality of color filters and the defect are disposed between the substrate and the optical film; and using a laser pulse to form a first processed area that corresponds to the defect in the optical film, wherein the first processed area at least partially overlaps at least two of the plurality of color filters.Type: GrantFiled: March 25, 2024Date of Patent: March 18, 2025Assignee: INNOLUX CORPORATIONInventors: Tai-Chi Pan, Chin-Lung Ting, I-Chang Liang, Chih-Chiang Chang Chien, Po-Wen Lin, Kuang-Ming Fan, Sheng-Nan Chen
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Publication number: 20250062621Abstract: A system includes at least one server and a power supply having multiple power supply units. After system boot-up, all power supply units in the power supply are turned on for supplying power to the at least one server. Next, the maximum output power value of the power supply and the conversion efficiency table containing the relationship between the loading rate and the conversion efficiency of the power supply are acquired, and the real-time conversion efficiency of the power supply is calculated. When it is determined based on the real-time conversion efficiency and the conversion efficiency table of the power supply that the power supply is not currently operating with an optimized conversion efficiency, one or more power supply units in the power supply are turned off or turned on according to a predetermined rule.Type: ApplicationFiled: February 1, 2024Publication date: February 20, 2025Applicant: Wiwynn CorporationInventors: Chia-Hung Yen, Chun-Hao Chang, Cheng-Kuang Hsieh
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Publication number: 20250056097Abstract: The present disclosure relates to a system and a method for stream distribution. The method includes: determining a viewer to be a helper viewer with respect to a content type; determining a distributor to have engaged in the content type in a stream; and suggesting the distributor to invite the viewer into the stream.Type: ApplicationFiled: July 6, 2024Publication date: February 13, 2025Inventors: Wei-Kun LU, Yu-Cheng FAN, Chia-Han CHANG, Hung-Kuang TAI
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Publication number: 20250047919Abstract: A method for facilitating streamer interaction with a viewer includes extracting a history topic based on an activity record of the viewer; calculating a score of each of the history topics based on at least one parameter; and generating a topic suggestion based on the history topic and the score which is corresponding to the history topic, and providing the topic suggestion to the streamer. The method is suitable for providing a topic suggestion (or interact topic suggestion) with respect to the viewer to the streamer via a live-streaming platform executed by a computing device. Thereby, the method can be used for facilitating streamer interaction with viewers and provides an appropriate topic suggestion. In addition, a computing device and a computer-readable storage medium which are capable of implementing the method are also provided.Type: ApplicationFiled: January 24, 2024Publication date: February 6, 2025Inventors: YUNG-CHI HSU, CHI-WEI LIN, SHAO-TANG CHIEN, WEI-HSIANG HUNG, WEI-KUN LU, YU-CHENG FAN, CHIA-HAN CHANG, HUNG-KUANG TAI
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Patent number: 12205946Abstract: An interfacial structure, along with methods of forming such, are described. The structure includes a first interfacial layer having a first dielectric layer, a first conductive feature disposed in the first dielectric layer, and a first thermal conductive layer disposed on the first dielectric layer. The structure further includes a second interfacial layer disposed on the first interfacial layer. The second interfacial layer is a mirror image of the first interfacial layer with respect to an interface between the first interfacial layer and the second interfacial layer. The second interfacial layer includes a second thermal conductive layer disposed on the first thermal conductive layer, a second dielectric layer disposed on the second thermal conductive layer, and a second conductive feature disposed in the second dielectric layer.Type: GrantFiled: August 3, 2023Date of Patent: January 21, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Kai-Fang Cheng, Kuang-Wei Yang, Cherng-Shiaw Tsai, Hsiaokang Chang
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Patent number: 12205501Abstract: The present disclosure provides an electronic device including a substrate, a plurality of bumps, a plurality of diodes, and a shielding layer. The substrate has a plurality of first through holes. The bumps are disposed on the substrate. The diodes are disposed on the substrate. The shielding layer is disposed on the substrate. One of the bumps is located between two adjacent ones of the diodes in a cross-sectional view, and the shielding layer overlaps at least a portion of the bumps and at least a portion of the first through holes.Type: GrantFiled: May 22, 2024Date of Patent: January 21, 2025Assignee: InnoLux CorporationInventors: Chin-Lung Ting, Chung-Kuang Wei, Li-Wei Mao, Chi-Liang Chang, Chia-Hui Lin
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Patent number: 12188619Abstract: A safety vacuum supply gas cylinder includes a cylinder body, a pipeline structure, first and second check valves (respectively having first and second check valve opening pressures Pc1, Pc2, wherein Pc1 is greater than an atmospheric pressure P0). The cylinder body has an opening and an internal space configured to store a gas, wherein the gas forms an internal pressure P2 smaller than P0. The pipeline structure, communicated with the opening, has first and second pipelines where the first and second check valves are respectively arranged. An external filling gas enters the cylinder body when a pressure of the external filling gas is greater than Pc1 and P2. The gas flows out when P2 is greater than Pc2 and an external environmental pressure.Type: GrantFiled: October 28, 2021Date of Patent: January 7, 2025Inventors: Feng Yuan Ku, Min-Kuang Chang
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Patent number: 12127680Abstract: Provided are an air cell device and an air mattress system thereof. The air cell device includes an air cell which has therein an upper connection segment and a lower connection segment. The upper connection segment and the lower connection segment each have a curved portion whereby the air cell is partitioned to become a multilayered air cell so as to mitigate air cell bending or air cell inversion, thereby improving the lying human being's comfort.Type: GrantFiled: February 15, 2022Date of Patent: October 29, 2024Assignee: WELLELL INC.Inventors: Chih-Kuang Chang, Sheng-Wei Lin, Chin-Chang Lin, Yue-Yin Chao, Yu-Hao Chen
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Patent number: 12085230Abstract: A vacuum supply gas cylinder includes a cylinder body, a cylinder valve, a pipeline structure, a first check valve, a positive pressure regulating valve and a second check valve. The cylinder body includes an accommodating space and an opening. The cylinder valve closes the opening. The pipeline structure includes a first and second pipeline. The first check valve is one-way and disposed at the first pipeline. The first check valve has an opening pressure for a gas flow direction from the second end to the first end. The positive pressure regulating valve is disposed at the first pipeline and has an output pressure having a direction same as the gas flow direction from the second end to the first end. The second check valve is one-way and disposed at the first pipeline and is in the same direction as the flow direction of the input and stored gas.Type: GrantFiled: August 3, 2020Date of Patent: September 10, 2024Inventors: Feng Yuan Ku, Min-Kuang Chang
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Patent number: 11848608Abstract: A control circuit for controlling a switching regulator includes a timer, a comparator, a driver circuit and a controller. The timer generates an input signal indicative of whether a predetermined amount of time has elapsed since an activation of a drive signal. The comparator is configured to compare a feedback voltage with a reference voltage to generate a comparison signal. The driver circuit is controlled by a control signal to generate the drive signal according to one of the input signal and the comparison signal. The control signal indicates whether a mode is enabled. When the mode is enabled, the driver circuit is configured to generate the drive signal according to the input signal. The controller is configured to, in response to an activation of the input signal, generate the control signal according to a result of a comparison of the feedback voltage with another reference voltage higher than the reference voltage.Type: GrantFiled: March 23, 2022Date of Patent: December 19, 2023Assignee: ALPHA AND OMEGA SEMICONDUCTOR INTERNATIONAL LPInventors: Chi-Kuang Chang, Cheng-Hsiung Tsai
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Publication number: 20230308018Abstract: A control circuit for controlling a switching regulator includes a timer, a comparator, a driver circuit and a controller. The timer generates an input signal indicative of whether a predetermined amount of time has elapsed since an activation of a drive signal. The comparator is configured to compare a feedback voltage with a reference voltage to generate a comparison signal. The driver circuit is controlled by a control signal to generate the drive signal according to one of the input signal and the comparison signal. The control signal indicates whether a mode is enabled. When the mode is enabled, the driver circuit is configured to generate the drive signal according to the input signal. The controller is configured to, in response to an activation of the input signal, generate the control signal according to a result of a comparison of the feedback voltage with another reference voltage higher than the reference voltage.Type: ApplicationFiled: March 23, 2022Publication date: September 28, 2023Applicant: ALPHA AND OMEGA SEMICONDUCTOR INTERNATIONAL LPInventors: Chi-Kuang Chang, Cheng-Hsiung Tsai
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Patent number: 11718725Abstract: A method of forming foam material is provided, which includes mixing 100 parts by weight of a compound having cyclic carbonate groups and a foaming agent to form a foaming composition, wherein the foaming agent includes 3 to 13 parts by weight of carbamate salt and 15 to 65 parts by weight of amino compound. The foaming composition is heated to 100° C. to 170° C. for decomposing the carbamate salt into CO2 and amino compound, and the amino compound is reacted with the compound having cyclic carbonate groups to form the foam material.Type: GrantFiled: January 18, 2023Date of Patent: August 8, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Mao-Lin Hsueh, Yi-Zhen Chen, Chih-Kuang Chang
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Publication number: 20230159719Abstract: A method of forming foam material is provided, which includes mixing 100 parts by weight of a compound having cyclic carbonate groups and a foaming agent to form a foaming composition, wherein the foaming agent includes 3 to 13 parts by weight of carbamate salt and 15 to 65 parts by weight of amino compound. The foaming composition is heated to 100° C. to 170° C. for decomposing the carbamate salt into CO2 and amino compound, and the amino compound is reacted with the compound having cyclic carbonate groups to form the foam material.Type: ApplicationFiled: January 18, 2023Publication date: May 25, 2023Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Mao-Lin HSUEH, Yi-Zhen CHEN, Chih-Kuang CHANG
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Patent number: 11603444Abstract: A method of forming foam material is provided, which includes mixing 100 parts by weight of a compound having cyclic carbonate groups and a foaming agent to form a foaming composition, wherein the foaming agent includes 3 to 13 parts by weight of carbamate salt and 15 to 65 parts by weight of amino compound. The foaming composition is heated to 100° C. to 170° C. for decomposing the carbamate salt into CO2 and amino compound, and the amino compound is reacted with the compound having cyclic carbonate groups to form the foam material.Type: GrantFiled: December 31, 2019Date of Patent: March 14, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Mao-Lin Hsueh, Yi-Zhen Chen, Chih-Kuang Chang
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Publication number: 20220397335Abstract: In all freezers and refrigerators all have integral plastic inner frame and the refrigerator door mezzanine both are filled with injection-type Styrofoam to keep cold. The plastic inner frames and Styrofoam are both environmentally unfriendly and difficult to recycle and wasteful a lot of energy.Type: ApplicationFiled: June 10, 2021Publication date: December 15, 2022Inventor: Da-Kuang Chang
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Publication number: 20220388758Abstract: In 2021, major industrial countries announced a 50% carbon reduction in 2030. Disposable paper cups with plastic inner membranes and disposable plastic cups are banned globally are required for recycling and reuse. Double-layer near-vacuum metal foil cups with cold and warm preservation functions, also for keeping cold and warm preservation are Low-carbon market needs.Type: ApplicationFiled: June 8, 2021Publication date: December 8, 2022Inventor: Da-Kuang Chang
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Publication number: 20220265060Abstract: An air mattress includes a first air cell, a second air cell, a plurality of third air cells, and a body-lifting air cell. The second air cell includes a first air chamber, a second air chamber, and a structurally-weakened region. The body-lifting air cell is below the second air cell and at least one of the third air cells. The body-lifting air cell is inflated by an air source controlled by a control system. When the body-lifting air cell is inflated, a vertical distance between the top of second air cell and the bottom of air mattress is greater than a vertical distance between the top of first air cell and the bottom of air mattress. When the body-lifting air cell is inflated, the second air cell has a lower structural strength than the other air cells to have a cushioning effect against external forces.Type: ApplicationFiled: December 13, 2021Publication date: August 25, 2022Applicant: APEX MEDICAL CORP.Inventors: Chih Kuang CHANG, Yen Chieh CHEN, Sheng Wei LIN, Po Han WEI
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Publication number: 20220265058Abstract: Provided are an air cell device and an air mattress system thereof. The air cell device includes an air cell which has therein an upper connection segment and a lower connection segment. The upper connection segment and the lower connection segment each have a curved portion whereby the air cell is partitioned to become a multilayered air cell so as to mitigate air cell bending or air cell inversion, thereby improving the lying human being's comfort.Type: ApplicationFiled: February 15, 2022Publication date: August 25, 2022Inventors: CHIH-KUANG CHANG, SHENG-WEI LIN, CHIN-CHANG LIN, YUE-YIN CHAO, YU-HAO CHEN
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Publication number: 20220224157Abstract: Wireless charging of electronic devices is described. In an example implementation, electromagnetic current is induced in a first set of coils of an electronic device upon coupling of the first set of coils with a second set of coils of a charging base, and a rechargeable battery of the electronic device is wirelessly charged based on the induced electromagnetic current. A coil from amongst the first set is determined to send a message to the charging base to disable a coil of the second set which overlaps with the determined coil of the first set.Type: ApplicationFiled: March 30, 2022Publication date: July 14, 2022Inventors: Yi-Kang Hsieh, Chung-Chun Chen, Ming-Shien Tsai, Han-Kuang Chang, Isaac Lagnado