Patents by Inventor Yu Yung
Yu Yung 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: 20240146109Abstract: Provided are a wireless power apparatus, a charging dock and an electronic equipment. In the wireless power apparatus, a housing is provided with a mounting cavity; a first battery is disposed within the mounting cavity; multiple first magnetic pieces are disposed in the housing and are configured for adsorbing multiple first adsorption pieces of an equipment body, respectively; a first charging assembly is configured to charge the first battery, a wireless power supply assembly is disposed within the mounting cavity, is electrically connected to the first battery, and is capable of transmitting power of the first battery to the equipment body.Type: ApplicationFiled: October 12, 2023Publication date: May 2, 2024Applicant: Luxshare Precision Industry Company LimitedInventors: Kuan Ying HO, Chih Yung WU, Yu Pei HUANG, Yao Nien CHUNG, Pei Shan LI
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Publication number: 20240146205Abstract: A flyback power converter includes a power transformer, a first lossless voltage conversion circuit, a first low-dropout linear regulator and a secondary side power supply circuit. The first low-dropout linear regulator (LDO) generates a first operation voltage as power supply for being supplied to a sub-operation circuit. The secondary side power supply circuit includes a second lossless voltage conversion circuit and a second LDO. The second LDO generates a second operation voltage. The first operation voltage and the second operation voltage are shunted to a common node. When a first lossless conversion voltage is greater than a first threshold voltage, the second LDO is enabled to generate the second operation voltage to replace the first operation voltage as power supply supplied to the sub-operation circuit; wherein the second lossless conversion voltage is lower than the first lossless switching voltage.Type: ApplicationFiled: September 23, 2023Publication date: May 2, 2024Inventors: Shin-Li Lin, He-Yi Shu, Shih-Jen Yang, Ta-Yung Yang, Yi-Min Shiu, Chih-Ching Lee, Yu-Chieh Hsieh, Chao-Chi Chen
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Publication number: 20240128876Abstract: A switching control circuit for use in controlling a resonant flyback power converter generates a first driving signal and a second driving signal. The first driving signal is configured to turn on the first transistor to generate a first current to magnetize a transformer and charge a resonant capacitor. The transformer and charge a resonant capacitor are connected in series. The second driving signal is configured to turn on the second transistor to generate a second current to discharge the resonant capacitor. During a power-on period of the resonant flyback power converter, the second driving signal includes a plurality of short-pulses configured to turn on the second transistor for discharging the resonant capacitor. A pulse-width of the short-pulses of the second driving signal is short to an extent that the second current does not exceed a current limit threshold.Type: ApplicationFiled: June 15, 2023Publication date: April 18, 2024Inventors: Yu-Chang Chen, Ta-Yung Yang, Kun-Yu Lin, Fu-Ciao Syu, Chia-Hsien Yang, Hsin-Yi Wu
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Patent number: 11962247Abstract: A resonant half-bridge flyback power converter includes: a first transistor and a second transistor which form a half-bridge circuit; a transformer and a resonant capacitor connected in series and coupled to the half-bridge circuit; and a switching control circuit configured to generate a first driving signal and a second driving signal to control the first transistor and the second transistor respectively for switching the transformer to generate an output voltage. The first driving signal is configured to magnetize the transformer. The second driving signal includes at most one pulse between two consecutive pulses of the first driving signal. The switching control circuit generates a skipping cycle period when an output power is lower than a predetermined threshold. A resonant pulse of the second driving signal is skipped during the skipping cycle period. The skipping cycle period is increased in response to the decrease of the output power.Type: GrantFiled: February 16, 2022Date of Patent: April 16, 2024Assignee: RICHTEK TECHNOLOGY CORPORATIONInventors: Ta-Yung Yang, Ying-Chieh Su, Yu-Chang Chen
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Publication number: 20240120845Abstract: A resonant flyback power converter includes: a first transistor and a second transistor which are configured to switch a transformer and a resonant capacitor for generating an output voltage; and a switching control circuit generating first and second driving signals for controlling the first and the second transistors. The turn-on of the first driving signal magnetizes the transformer. The second driving signal includes a resonant pulse having a resonant pulse width and a ZVS pulse during the DCM operation. The resonant pulse is configured to demagnetize the transformer. The resonant pulse has a first minimum resonant period for a first level of the output load and a second minimum resonant period for a second level of the output load. The first level is higher than the second level and the second minimum resonant period is shorter than the first minimum resonant period.Type: ApplicationFiled: April 14, 2023Publication date: April 11, 2024Inventors: Yu-Chang Chen, Ta-Yung Yang, Kun-Yu Lin, Hsin-Yi Wu
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Publication number: 20240120846Abstract: A resonant flyback power converter includes: a first transistor and a second transistor which are configured to switch a transformer and a resonant capacitor for generating an output voltage; and a switching control circuit generating first and second driving signals for controlling the first and the second transistors. The turn-on of the first driving signal magnetizes the transformer. During a DCM (discontinuous conduction mode) operation, the second driving signal includes a resonant pulse for demagnetizing the transformer and a ZVS (zero voltage switching) pulse for achieving ZVS of the first transistor. The resonant pulse is skipped when the output voltage is lower than a low-voltage threshold.Type: ApplicationFiled: April 14, 2023Publication date: April 11, 2024Inventors: Yu-Chang Chen, Ta-Yung Yang, Kun-Yu Lin, Hsin-Yi Wu
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Patent number: 11944661Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.Type: GrantFiled: February 7, 2018Date of Patent: April 2, 2024Assignee: JEONNAM BIOINDUSTRY FOUNDATIONInventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
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Publication number: 20240107702Abstract: An information handling system having a reconfigurable cooling fan holder including a plurality of cooling fans of a cooling system operatively coupled to the reconfigurable cooling fan holder, a reconfigurable frame having a plurality of slidingly adjustable walls including a pair of lengthwise slidingly adjustable walls and a widthwise slidingly adjustable wall where the pair of lengthwise slidingly adjustable walls may be expanded or reduced in length by sliding the at least two slide bars nested adjacent to one another forming each lengthwise slidingly adjustable wall to extend or contract each lengthwise slidingly adjustable wall, and the widthwise slidingly adjustable wall may be expanded or reduced in width by sliding the at least two slide bars nested adjacent to one another forming the widthwise slidingly adjustable wall to extend or contract the widthwise slidingly adjustable wall for adjusting the width and length of the reconfigurable cooling fan holder.Type: ApplicationFiled: September 22, 2022Publication date: March 28, 2024Applicant: Dell Products, LPInventors: Chung-An Lin, Yu-Ming Kuo, Chih-Yung Yang
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Publication number: 20230375413Abstract: Embodiments of the present invention relate to an optical detector system capable of detecting in the infrared and terahertz regions of the electromagnetic spectrum with increased sensitivity and simplicity. It includes microbolometers in an array, a waveguide for receiving readout light input from an optical light source, waveguide splitters for splitting the waveguide to output waveguides such that each microbolometer in the array is optically coupled to an output waveguide. The output waveguide is coupled to an optical resonator of the microbolometer at a resonance frequency to generate a readout light output having a characteristic based on a change in a characteristic of the optical resonator. The system further includes a detector for receiving the readout light output from each of the output waveguides to convert the readout light output to an electrical signal.Type: ApplicationFiled: May 18, 2022Publication date: November 23, 2023Inventors: Nathan Andrew Tomlin, Christopher Shing-Yu Yung
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Publication number: 20230294576Abstract: Systems and methods for a child seat in accordance with embodiments of the invention are disclosed. In one embodiment, a child seat includes an outer shell having a seat portion and a back portion, and a base assembly having a mechanism for mounting the car seat and a recline mechanism.Type: ApplicationFiled: March 14, 2023Publication date: September 21, 2023Inventors: Adam Mark Will, Lin Hsin Feng, Hou Jen En, Chou Yu Te, Yu Yung Fu
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Publication number: 20230256874Abstract: Systems and methods for a convertible car seat in accordance with embodiments of the invention are disclosed. In one embodiment, a convertible car seat includes an outer shell having a seat portion and a back portion, a base assembly having a mechanism for mounting the car seat, an adjustable headrest, and an adjustment mechanism.Type: ApplicationFiled: February 14, 2023Publication date: August 17, 2023Inventors: Adam Mark Will, Lin Hsin Feng, Hou Jen En, Chou Yu Te, Yu Yung Fu
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Publication number: 20230032022Abstract: A photonic bolometer includes: a photonic chip; a weak thermal link; a thermally-isolated member, and the weak thermal link thermally isolates the thermally-isolated member from the photonic chip; a photonic temperature sensor; a chip waveguide in optical communication with the photonic temperature sensor; and a photon absorber that receives incident radiation light, increases temperature due to absorption of the incident radiation light, heats the photonic temperature sensor in response to receipt of the incident radiation light, and changes the resonance frequency of the photonic temperature sensor in response to receiving the incident radiation light.Type: ApplicationFiled: September 30, 2022Publication date: February 2, 2023Inventors: Nikolai Nikolaevich Klimov, Nathan Andrew Tomlin, Christopher Shing-Yu Yung
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Patent number: 11343892Abstract: A driver is configured to provide an output voltage and an output current to a load according to an input voltage. The driver includes a power converter, first and second detecting devices and a controller. The power converter is configured to receive and convert the input voltage to the output voltage and the output current. The first detecting device is configured to detect the input voltage to generate a first signal. The second detecting device is configured to detect the output voltage to generate a second signal, and detect the output current to generate a third signal. The controller is configured to perform a calculation to the second signal and the third signal according to one of lookup tables corresponding to the first signal to generate a power value. An operation method of a driver and a light source system are also disclosed herein.Type: GrantFiled: February 18, 2021Date of Patent: May 24, 2022Assignee: DELTA ELECTRONICS INC.Inventors: Tsung-Ta Wu, Qi-Rong Lee, Wei-Cheng Chiu, Yu-Yung Huang, Ching-Ho Chou
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Patent number: 11303004Abstract: A microstrip-to-waveguide transition includes a substrate and a waveguide. The substrate has a metal layer, a ground layer and a dielectric layer disposed between the metal layer and a ground layer. The substrate includes a microstrip line impedance transformer and a substrate integrated waveguide that is electromagnetically coupled to the microstrip line impedance transformer. The substrate integrated waveguide has a 90 degree substrate integrated waveguide bend section at an end portion thereof. The waveguide is arranged perpendicularly relative to the substrate. The waveguide is electromagnetically coupled to the substrate integrated waveguide at the 90 degree substrate integrated waveguide bend section. The microstrip-to-waveguide transition is free of a back-short at a location corresponding to the 90 degree substrate integrated waveguide bend section.Type: GrantFiled: June 10, 2019Date of Patent: April 12, 2022Assignee: HUGHES NETWORK SYSTEMS, LLCInventors: Yu Yung, Rajesh Joshi, George Eapen, Guo Chen, Kumud Patel
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Publication number: 20220061137Abstract: A driver is configured to provide an output voltage and an output current to a load according to an input voltage. The driver includes a power converter, first and second detecting devices and a controller. The power converter is configured to receive and convert the input voltage to the output voltage and the output current. The first detecting device is configured to detect the input voltage to generate a first signal. The second detecting device is configured to detect the output voltage to generate a second signal, and detect the output current to generate a third signal. The controller is configured to perform a calculation to the second signal and the third signal according to one of lookup tables corresponding to the first signal to generate a power value. An operation method of a driver and a light source system are also disclosed herein.Type: ApplicationFiled: February 18, 2021Publication date: February 24, 2022Inventors: Tsung-Ta WU, Qi-Rong LEE, Wei-Cheng CHIU, Yu-Yung HUANG, Ching-Ho CHOU
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Publication number: 20200388899Abstract: A microstrip-to-waveguide transition includes a substrate and a waveguide. The substrate has a metal layer, a ground layer and a dielectric layer disposed between the metal layer and a ground layer. The substrate includes a microstrip line impedance transformer and a substrate integrated waveguide that is electromagnetically coupled to the microstrip line impedance transformer. The substrate integrated waveguide has a 90 degree substrate integrated waveguide bend section at an end portion thereof. The waveguide is arranged perpendicularly relative to the substrate. The waveguide is electromagnetically coupled to the substrate integrated waveguide at the 90 degree substrate integrated waveguide bend section. The microstrip-to-waveguide transition is free of a back-short at a location corresponding to the 90 degree substrate integrated waveguide bend section.Type: ApplicationFiled: June 10, 2019Publication date: December 10, 2020Inventors: Yu YUNG, Rajesh JOSHI, George EAPEN, Guo CHEN, Kumud PATEL
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Publication number: 20200315386Abstract: The present invention provides devices, systems and methods relating to a storage space of a residential consumer after the purchase of an article, and is particularly suitable for ensuring that the storage space to which the carrier delivers the purchase/parcel is a secured space. The secured space includes a receptacle etc. and the cover/door of the receptacle, and a locking mechanism installed on the receptacle and/or the cover/door, which can only be opened by authorized persons/devices. The locking mechanism may include a unique identification and be controlled by a secured device to unlock. The secured device can communicate with access management servers, authorized device or carrier device, etc. The receptacle may be disposed on a folding cart that can be placed outside the house by a lock mode fixing device, an attachment mode fixing device, an embed mode fixing device, a through mode fixing device or an implant mode fixing device.Type: ApplicationFiled: April 6, 2019Publication date: October 8, 2020Inventor: Yu Yung Choi
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Patent number: 10791658Abstract: A system includes a shield for a low noise amplifier. The shield includes a top and one or more walls extending from the top defining a cavity. The shield further comprises at least one conducting member extending outwardly from the top and within the cavity. The shield may enclose an amplifier circuit and improve its signal-to-noise ratio.Type: GrantFiled: August 31, 2018Date of Patent: September 29, 2020Assignee: Hughes Network Systems, LLCInventors: Yu Yung, Rajesh Joshi
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Publication number: 20200077546Abstract: A system includes a shield for a low noise amplifier. The shield includes a top and one or more walls extending from the top defining a cavity. The shield further comprises at least one conducting member extending outwardly from the top and within the cavity. The shield may enclose an amplifier circuit and improve its signal-to-noise ratio.Type: ApplicationFiled: August 31, 2018Publication date: March 5, 2020Inventors: Yu Yung, Rajesh Joshi
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Patent number: 10259954Abstract: An ink composition and an adhesion promoter are provided. The adhesion promoter is suitable for production while remaining the stronger adhesion. The adhesion promoter is formed by the reaction of at least one alpha hydroxy acid, at least one alpha hydroxy acid ester, and a polymer having hydroxyl group, amino group, carboxyl group, or a combination thereof with a metal alkoxide. By combining the renewable and green alpha hydroxy acid and safer plasticizing alpha hydroxy acid ester, and the polymer as reagents to react with the metal alkoxide, the eco-friendly and non-toxic adhesion promoter with superior adhesion for use in ink composition can be obtained. The ink composition includes the adhesion promoter, a pigment, a polymeric binder, and a solvent for the polymeric binder. The ink composition is odorless and colorless, and shows good wet crinkle resistance. Especially, the ink composition is suitable for printing on the food package.Type: GrantFiled: September 22, 2017Date of Patent: April 16, 2019Assignee: BORICA CO., LTD.Inventors: Cheng-En Wu, Yu-Yung Lin, Chun-Han Shih, Shu-Han Lee, Fu-Ming Tsuo