Patents by Inventor Shih-Che Hung
Shih-Che Hung 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: 11934027Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.Type: GrantFiled: June 21, 2022Date of Patent: March 19, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chih-Wei Weng, Chia-Che Wu, Chien-Yu Kao, Hsiao-Hsin Hu, He-Ling Chang, Chao-Hsi Wang, Chen-Hsien Fan, Che-Wei Chang, Mao-Gen Jian, Sung-Mao Tsai, Wei-Jhe Shen, Yung-Ping Yang, Sin-Hong Lin, Tzu-Yu Chang, Sin-Jhong Song, Shang-Yu Hsu, Meng-Ting Lin, Shih-Wei Hung, Yu-Huai Liao, Mao-Kuo Hsu, Hsueh-Ju Lu, Ching-Chieh Huang, Chih-Wen Chiang, Yu-Chiao Lo, Ying-Jen Wang, Shu-Shan Chen, Che-Hsiang Chiu
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Patent number: 11924039Abstract: Provided are a system and a method for optimization of network function management and computer readable medium thereof that develop an OAM system architecture compatible with a standard MANO framework set by ETSI, so as to effectively integrate and manage the resources and situation configurations of the network elements (including VNF and CNF) of different manufacturers. Therefore, containment management for various network elements may be flexibly integrated, advantages of the standard MANO framework may be preserved, cost for customized development of various OAM systems and the information transmission therefrom may be reduced, and overall efficiency is increased.Type: GrantFiled: September 23, 2022Date of Patent: March 5, 2024Assignee: CHUNGHWA TELECOM CO., LTD.Inventors: Yuan-Mao Hung, Mao-Yao Lee, Chien-Hua Lee, Shih-Che Chien
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Publication number: 20240007110Abstract: The present invention includes a CDR circuit including a phase detector, a neural network circuit, a controller and a clock signal generator is disclosed. The phase detector is configured to use a clock signal to sample an input signal to generate a plurality of phase detection results. The neural network circuit is coupled to the phase detector, and is configured to receive the plurality of phase detection results to determine information of a frequency difference between the clock signal and the input signal. The controller is configured to generate a control signal according to the information of the frequency difference between the clock signal and the input signal. The clock signal generator is configured to use the control signal to adjust a phase or frequency of the clock signal outputted to the phase detector.Type: ApplicationFiled: January 30, 2023Publication date: January 4, 2024Applicant: MEDIATEK INC.Inventors: Chien-Kai Kao, Shih-Che Hung, Tse-Hsien Yeh
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Patent number: 11783329Abstract: A payment method is provided. The method is used in a payment system and includes: receiving, by a monitoring device, a contract corresponding to a transaction transmitted by a smart contract device and receiving status information of a plurality of unmanned control devices, wherein the transaction is created by a user; transmitting, by the monitoring device, the contract and the status information to a residual service contract device; and receiving, by a first unmanned control device of the unmanned control devices, service information generated by the residual service contract device according to the contract and the status information and providing services to the user according to the service information.Type: GrantFiled: September 9, 2020Date of Patent: October 10, 2023Assignees: MICRO-STAR INT'L CO., LTD., MSI COMPUTER (SHENZHEN) CO., LTD.Inventor: Shih-Che Hung
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Publication number: 20230282472Abstract: A wafer and a wafer processing method are included. The wafer processing method includes the following steps. A wafer is provided having a first surface and a second surface opposite to the first surface. A fixture pattern is pasted on the first surface to cover a first portion of the first surface of the wafer, and a second portion of the first surface is exposed by the fixture pattern. A first etching step is performed on the second portion of the first surface to form a first etching pattern on the first surface of the wafer. The fixture pattern is removed from the first surface, and the second surface of the wafer is ground.Type: ApplicationFiled: March 2, 2023Publication date: September 7, 2023Applicant: GlobalWafers Co., Ltd.Inventors: Wen-Huai Yu, Shih-Che Hung, Hung-Chang Lo, Chun-I Fan, Chia-Chi Tsai, Wen-Ching Hsu
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Patent number: 11674817Abstract: A method for relocating a mobile vehicle in a simultaneous localization and mapping (SLAM) map is provided. The method can be used in the mobile vehicle moving in an area and includes: using SLAM to establish the SLAM map that corresponds to the area at an initial time point; detecting, by a non-SLAM positioning device, a first position trajectory and a first azimuth trajectory of the mobile vehicle on the SLAM map; detecting, by a SLAM positioning device, a loss probability of the mobile vehicle between a first timestamp and a second timestamp; determining whether a condition is satisfied; and updating the SLAM map to a new SLAM map corresponding to a current time point and updating positioning information of the mobile vehicle in the new SLAM map when the condition is satisfied at the current time point.Type: GrantFiled: September 9, 2020Date of Patent: June 13, 2023Assignees: MICRO-STAR INTL CO., LTD., MSI COMPUTER (SHENZHEN) CO., LTD.Inventors: Hoa-Yu Chan, Shih-Che Hung
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Publication number: 20230052218Abstract: Provided is a method of SiC wafer processing, and the method includes the following steps. A SiC wafer is provided, and the SiC wafer has a first surface and an opposing second surface. A fine grinding process is performed on the first surface and the second surface of the SiC wafer. A dry etching process is performed on the first surface and the second surface of the SiC wafer to make the roughness of the first surface and the second surface 2.5 nm or less. After the dry etching process, a polishing process is performed on the first surface and the second surface of the SiC wafer.Type: ApplicationFiled: July 11, 2022Publication date: February 16, 2023Applicant: GlobalWafers Co., Ltd.Inventors: Shih-Che Hung, Wen-Huai Yu, Wen-Ching Hsu
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Patent number: 11513287Abstract: The present disclosure provides a waveguide structure including an optical component. The optical component includes a plurality of grating coupler teeth over a semiconductive substrate and a plurality of grating coupler openings between adjacent grating coupler teeth, wherein the grating coupler openings are configured to receive a light wave. Each of the grating coupler teeth includes a dielectric stack and an etch stopper embedded in the dielectric stack, wherein the etch stopper has a resistance to a fluorine solution that is higher than that of the dielectric stack. A method of manufacturing a semiconductor device is also provided.Type: GrantFiled: July 13, 2020Date of Patent: November 29, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Kai-Fung Chang, Lien-Yao Tsai, Chien Shih Tsai, Shih-Che Hung
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Patent number: 11349485Abstract: The present invention provides a CDR circuit including a first phase detector, a controller and a phase filter. In the operations of the CDR, the first phase detector is configured to compare a phase of an input signal and a phase of a clock signal to generate a first phase detection result. The controller is configured to generate a control signal according to the first phase detection result. The phase filter is configured to receive the control signal and an auxiliary signal to generate the clock signal, wherein the auxiliary signal is generated according to the first phase detection result.Type: GrantFiled: January 16, 2020Date of Patent: May 31, 2022Assignee: MEDIATEK INC.Inventors: Chien-Kai Kao, Tse-Hsien Yeh, Shih-Che Hung
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Publication number: 20210365043Abstract: A system for guiding vehicles is provided. The system includes a first vehicle, a second vehicle, and a host terminal. The first vehicle is configured to move in a first space. The second vehicle is configured to move in a second space. The host terminal includes a computer program product and a processor. In response to the processor executing the computer program product, the host terminal performs an interactive operation with at least one of the first vehicle and the second vehicle. The interactive operation includes receiving first position information of the first vehicle; receiving second position information of the second vehicle; receiving destination information; according to the first position information, the second position information, the destination information, and environmental characteristics of a map, planning a travelling path on the map; and controlling a movement route of the first or second vehicle according to the travelling path.Type: ApplicationFiled: August 28, 2020Publication date: November 25, 2021Applicants: MICRO-STAR INT'L CO., LTD., MSI COMPUTER (SHENZHEN) CO., LTD.Inventors: Hoa-Yu CHAN, Yu-Cheng CHENG, Felix Alan LIN, Shih-Che HUNG
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Publication number: 20210357929Abstract: A payment method is provided. The method is used in a payment system and includes: receiving, by a monitoring device, a contract corresponding to a transaction transmitted by a smart contract device and receiving status information of a plurality of unmanned control devices, wherein the transaction is created by a user; transmitting, by the monitoring device, the contract and the status information to a residual service contract device; and receiving, by a first unmanned control device of the unmanned control devices, service information generated by the residual service contract device according to the contract and the status information and providing services to the user according to the service information.Type: ApplicationFiled: September 9, 2020Publication date: November 18, 2021Applicants: MICRO-STAR INT'L CO., LTD., MSI COMPUTER (SHENZHEN) CO., LTD.Inventor: Shih-Che HUNG
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Publication number: 20210353808Abstract: A field disinfection mobile robot is provided. The field disinfection mobile robot includes a light-emitting device and a mobile device. The light-emitting device includes at least one lamp. The at least one lamp is configured to emit ultraviolet light. The mobile device carries the light-emitting device and includes at least one wheel and a processing circuit. The processing circuit calculates irradiation time according to a level of a lethal dose and intensity of the ultraviolet light and controls a rotation speed of the at least one wheel according to the irradiation time.Type: ApplicationFiled: August 27, 2020Publication date: November 18, 2021Applicants: MICRO-STAR INT'L CO., LTD., MSI COMPUTER (SHENZHEN) CO., LTD.Inventors: Shih-Che HUNG, Chiung-Wen CHANG, Pi-Chang JUNG, Chien-Ying LI
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Publication number: 20210348941Abstract: A method for relocating a mobile vehicle in a simultaneous localization and mapping (SLAM) map is provided. The method can be used in the mobile vehicle moving in an area and includes: using SLAM to establish the SLAM map that corresponds to the area at an initial time point; detecting, by a non-SLAM positioning device, a first position trajectory and a first azimuth trajectory of the mobile vehicle on the SLAM map; detecting, by a SLAM positioning device, a loss probability of the mobile vehicle between a first timestamp and a second timestamp; determining whether a condition is satisfied; and updating the SLAM map to a new SLAM map corresponding to a current time point and updating positioning information of the mobile vehicle in the new SLAM map when the condition is satisfied at the current time point.Type: ApplicationFiled: September 9, 2020Publication date: November 11, 2021Applicants: MICRO-STAR INT'L CO., LTD., MSI COMPUTER (SHENZHEN) CO., LTD.Inventors: Hoa-Yu CHAN, Shih-Che HUNG
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Publication number: 20200341192Abstract: The present disclosure provides a waveguide structure including an optical component. The optical component includes a plurality of grating coupler teeth over a semiconductive substrate and a plurality of grating coupler openings between adjacent grating coupler teeth, wherein the grating coupler openings are configured to receive a light wave. Each of the grating coupler teeth includes a dielectric stack and an etch stopper embedded in the dielectric stack, wherein the etch stopper has a resistance to a fluorine solution that is higher than that of the dielectric stack. A method of manufacturing a semiconductor device is also provided.Type: ApplicationFiled: July 13, 2020Publication date: October 29, 2020Inventors: KAI-FUNG CHANG, LIEN-YAO TSAI, CHIEN SHIH TSAI, SHIH-CHE HUNG
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Publication number: 20200244272Abstract: The present invention provides a CDR circuit including a first phase detector, a controller and a phase filter. In the operations of the CDR, the first phase detector is configured to compare a phase of an input signal and a phase of a clock signal to generate a first phase detection result. The controller is configured to generate a control signal according to the first phase detection result. The phase filter is configured to receive the control signal and an auxiliary signal to generate the clock signal, wherein the auxiliary signal is generated according to the first phase detection result.Type: ApplicationFiled: January 16, 2020Publication date: July 30, 2020Inventors: Chien-Kai Kao, Tse-Hsien Yeh, Shih-Che Hung
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Patent number: 10712500Abstract: The present disclosure provides a semiconductor device, including a semiconductive substrate, a dielectric stack disposed over the semiconductive substrate to form a wall of a grating coupler opening, and an etch stopper interfacing with two sublayers of the dielectric stack and partially separating the interface of the two sublayers. The etch stopper has a resistance to a fluorine solution that is higher than that of the two sublayers. A method of manufacturing the semiconductor device is also provided.Type: GrantFiled: October 17, 2018Date of Patent: July 14, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Kai-Fung Chang, Lien-Yao Tsai, Chien Shih Tsai, Shih-Che Hung
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Publication number: 20200124790Abstract: The present disclosure provides a semiconductor device, including a semiconductive substrate, a dielectric stack disposed over the semiconductive substrate to form a wall of a grating coupler opening, and an etch stopper interfacing with two sublayers of the dielectric stack and partially separating the interface of the two sublayers. The etch stopper has a resistance to a fluorine solution that is higher than that of the two sublayers. A method of manufacturing the semiconductor device is also provided.Type: ApplicationFiled: October 17, 2018Publication date: April 23, 2020Inventors: KAI-FUNG CHANG, LIEN-YAO TSAI, CHIEN SHIH TSAI, SHIH-CHE HUNG
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Patent number: 9992422Abstract: A motion guiding apparatus includes a guiding device and a mobile unit. The guiding device includes a main body, an arm piece, and a linear light source. The main body is in connection with the arm piece and arranged on a reference surface. The linear light source is arranged on the arm piece and forms a reference light line on the reference surface and a direct light line on the main body. The mobile unit is capable of capturing an image showing the reference light beam, the direct light beam, and a reflected light line. The mobile unit can also compute an angle formed between the reference light line and the reflected light line to obtain a relative angle between the mobile unit and the linear light source, so as to move in accordance to the relative angle. A motion guiding method is also provided.Type: GrantFiled: June 17, 2015Date of Patent: June 5, 2018Assignee: MSI Computer (Shenzhen) Co., Ltd.Inventor: Shih-Che Hung
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Patent number: 9976853Abstract: A movable device is provided. When the movable device is at a specific position, a range finder detects reflected light in a first field of view to generate first previous data. When the movable device returns to the vicinity of the specific position, the range finder detects reflected light in the first field of view to generate second previous data. The range finder detects reflected light in a second field of view to generate compensation data. The processor unit performs a SLAM operation on the first and second previous data to generate first and second previous maps, respectively. When a probability that the second previous map does not conform to the first previous map is greater than a threshold value, the processor unit performs the SLAM operation on specific data and the compensation data to control the moving path of the movable device.Type: GrantFiled: July 18, 2016Date of Patent: May 22, 2018Assignee: MSI COMPUTER (SHENZHEN) CO., LTDInventors: Shih-Che Hung, Hoa-Yu Chan, Chia-Jui Kuo
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Patent number: 9722832Abstract: A frequency control circuit, adapted to be utilized in a phase locked loop circuit. The frequency control circuit includes a first frequency control block, a second frequency control block, a pump control unit and a charge pump unit. The first frequency control block generates a first control signal according to a frequency of an output signal from the phase locked loop circuit, in which the first control signal is configured to control the frequency of the output signal located within a predetermined frequency region. The second frequency control block generates a second control signal according to a frequency of an input signal and the frequency of the output signal, in which the second control signal is configured to control the frequency of the output signal located at a target frequency.Type: GrantFiled: June 23, 2016Date of Patent: August 1, 2017Assignee: HIMAX TECHNOLOGIES LIMITEDInventors: Shih-Che Hung, Chun-Liang Chen