Patents by Inventor Kai-Hsiu Chen
Kai-Hsiu Chen 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: 20240391761Abstract: A method is provided that includes forming a first metal layer of a seal structure over a micro-electromechanical system (MEMS) structure and over a channel formed through the MEMS structure to an integrated circuit of a semiconductor structure. The first metal layer is formed at a first temperature. The method includes forming a second metal layer over the first metal layer. The second metal layer is formed at a second temperature less than the first temperature. The method includes performing a first cooling process to cool the semiconductor structure.Type: ApplicationFiled: July 31, 2024Publication date: November 28, 2024Inventors: Kai-Lan CHANG, Yu-Lung YEH, Yen-Hsiu CHEN, Shuo Yen TAI, Yung-Hsiang CHEN
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Publication number: 20240387265Abstract: A method includes forming a dielectric layer over an epitaxial source/drain region. An opening is formed in the dielectric layer. The opening exposes a portion of the epitaxial source/drain region. A barrier layer is formed on a sidewall and a bottom of the opening. An oxidation process is performing on the sidewall and the bottom of the opening. The oxidation process transforms a portion of the barrier layer into an oxidized barrier layer and transforms a portion of the dielectric layer adjacent to the oxidized barrier layer into a liner layer. The oxidized barrier layer is removed. The opening is filled with a conductive material in a bottom-up manner. The conductive material is in physical contact with the liner layer.Type: ApplicationFiled: July 28, 2024Publication date: November 21, 2024Inventors: Pin-Wen Chen, Chang-Ting Chung, Yi-Hsiang Chao, Yu-Ting Wen, Kai-Chieh Yang, Yu-Chen Ko, Peng-Hao Hsu, Ya-Yi Cheng, Min-Hsiu Hung, Chun-Hsien Huang, Wei-Jung Lin, Chih-Wei Chang, Ming-Hsing Tsai
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Publication number: 20240381449Abstract: The present disclosure provides a wireless connection method applicable to a multi-device system, wherein the multi-device system includes a first electronic device and a second electronic device, and the wireless connection method includes: based on that the first electronic device is connected to a network access device, by the first electronic device, enabling a wireless communication function through a first channel, wherein a first wireless connection is established between the first electronic device and the network access device at the first channel; and by the first electronic device, establishing a second wireless connection with the second electronic device at the first channel.Type: ApplicationFiled: November 2, 2023Publication date: November 14, 2024Inventor: Kai-Hsiu CHEN
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Publication number: 20240304705Abstract: A semiconductor device includes a gate structure on a substrate, a first spacer on a sidewall of the gate structure, a second spacer on a sidewall of the first spacer, a third spacer on a sidewall of the second spacer, and first and second stacks of an epitaxial layer and a cap layer respectively disposed at first and second sides of the gate structure. Preferably, a part of the second spacer comprises an I-shape, the cap layer includes a planar top surface and an inclined sidewall, the cap layer contacts the second spacer and the third spacer directly, and the cap layer includes a vertical sidewall connected to the inclined sidewall.Type: ApplicationFiled: May 16, 2024Publication date: September 12, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Wei-Chih Chuang, Chia-Jong Liu, Kuang-Hsiu Chen, Chung-Ting Huang, Chi-Hsuan Tang, Kai-Hsiang Wang, Bing-Yang Jiang, Yu-Lin Cheng, Chun-Jen Chen, Yu-Shu Lin, Jhong-Yi Huang, Chao-Nan Chen, Guan-Ying Wu
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Patent number: 12048039Abstract: The present disclosure provides a control method applied to a first electronic device and a second electronic device in a physical environment. The first electronic device and the second electronic device are configured to communicate with each other through a first wireless connection established between the first electronic device and the second electronic device. The control method includes: by at least one of the first electronic device and the second electronic device, determining whether to update a map of the physical environment; and in response to a determination to update the map of the physical environment, establishing a second wireless connection different from the first wireless connection between the first electronic device and the second electronic device, wherein the second wireless connection is configured to transmit a map updated data, and the map updated data is configured to update the map of the physical environment.Type: GrantFiled: August 26, 2022Date of Patent: July 23, 2024Assignee: HTC CorporationInventors: Kai-Hsiu Chen, WeiChih Kuo, Wei-Shen Ou
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Publication number: 20240179768Abstract: A method for managing wireless communication including the following operations: establishing a wireless connection between a host device and a slave device, wherein the slave device transmit motion data to the host device by a connection interval through the wireless connection; and responsive to determining, by the host device, that the slave device has a decrement of movement according to the motion data, increasing the connection interval of the slave device.Type: ApplicationFiled: November 24, 2022Publication date: May 30, 2024Inventors: Kai-Hsiu CHEN, WeiChih KUO, Jing Lung WU
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Publication number: 20240073981Abstract: The present disclosure provides a control method applied to a first electronic device and a second electronic device in a physical environment. The first electronic device and the second electronic device are configured to communicate with each other through a first wireless connection established between the first electronic device and the second electronic device. The control method includes: by at least one of the first electronic device and the second electronic device, determining whether to update a map of the physical environment; and in response to a determination to update the map of the physical environment, establishing a second wireless connection different from the first wireless connection between the first electronic device and the second electronic device, wherein the second wireless connection is configured to transmit a map updated data, and the map updated data is configured to update the map of the physical environment.Type: ApplicationFiled: August 26, 2022Publication date: February 29, 2024Inventors: Kai-Hsiu CHEN, WeiChih KUO, Wei-Shen OU
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Publication number: 20200244782Abstract: An operating method of a communication device includes performing a wireless scan procedure by utilizing a radio communication technology to receive advertising data broadcasted by an external device; determining a connection interval corresponding to the external device according to one or more policies stored in the communication device under a condition that at least one of a device name and an address of the advertising data matches the one or more policies; and building a wireless connection with the external device for communication in the connection interval.Type: ApplicationFiled: April 9, 2020Publication date: July 30, 2020Inventors: Kai-Hsiu CHEN, Cheng-Kang LIN, Yao-Te TSAI
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Patent number: 10659574Abstract: An operating method of a communication device includes performing a scan procedure to receive a device name and an address of an external device; determining a connection interval corresponding to the external device according to one or more policies stored in the communication device under a condition that the device name and/or the address match the one or more policies; and building a connection with the external device according to the connection interval and the address of the external device, so that the communication device and the external device communicate corresponding to the connection interval.Type: GrantFiled: March 21, 2017Date of Patent: May 19, 2020Assignee: HTC CorporationInventors: Kai-Hsiu Chen, Cheng-Kang Lin, Yao-Te Tsai
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Patent number: 10518172Abstract: A virtual reality system includes a head-mounted display and a processing device. The head-mounted display is configured for displaying a virtual reality content. The processing device is coupled to the head-mounted display device and communicated with an accessory kit. The processing device is configured to collect descriptor information from the accessory kit, obtain an accessory type identification of the accessory kit from the descriptor information, and process input-output data of the accessory kit according to the accessory type identification. The input-output data corresponds to interaction between at least one virtual reality object in the virtual reality content and the accessory kit.Type: GrantFiled: February 3, 2017Date of Patent: December 31, 2019Assignee: HTC CorporationInventors: Chia-Wei Chen, Lo-Chien Lee, Kai-Hsiu Chen
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Patent number: 10438389Abstract: A method for virtual reality (VR) or augmented reality (AR) includes sensing a relative angle between a reference direction defined by a first tracking device and a navigate direction defined by a second tracking device, calculating a viewing angle according to the relative angle between the reference direction and the navigate direction, and displaying a VR or AR environment in the corresponding viewing angle.Type: GrantFiled: September 14, 2017Date of Patent: October 8, 2019Assignee: HTC CorporationInventors: Hsu-Hong Feng, Wen-Hung Sun, Kai-Hsiu Chen
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Patent number: 10165613Abstract: A control method, suitable for an electronic device, includes following operations. A first connection is established based on a classic Bluetooth protocol or a Bluetooth Low Energy protocol from the electronic device to a first target device. A Bluetooth identifier of the first target device acquired in the first connection is recorded. The Bluetooth identifier of the first target device is shared. The Bluetooth identifier is utilized to establish a second connection based on the classic Bluetooth protocol or the Bluetooth Low Energy protocol to the first target device. The first connection and the second connection are established based on different protocols.Type: GrantFiled: March 30, 2017Date of Patent: December 25, 2018Assignee: HTC CorporationInventors: Lo-Chien Lee, Chih-Yuan Chien, Kai-Hsiu Chen, Wen-Yuan Chen
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Patent number: 10034323Abstract: A control method, suitable for a host device including a Bluetooth low energy communication circuit, includes following operations. A high priority list is obtained. The high priority list includes information about at least one first peripheral device. The BLE communication circuit is triggered to perform a first scan to search for any peripheral device around the host device. A first search result of the first scan is compared with the high priority list. In response to that the first search result covers all of the at least one first peripheral device in the high priority list, the BLE communication circuit is triggered to stop the first scan. The BLE communication circuit is triggered to communicate with the at least one first peripheral device found in the first scan.Type: GrantFiled: March 30, 2017Date of Patent: July 24, 2018Assignee: HTC CorporationInventors: Jing-Lung Wu, Cheng-Yu Chung, Kai-Hsiu Chen
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Publication number: 20180130242Abstract: A method for virtual reality (VR) or augmented reality (AR) includes sensing a relative angle between a reference direction defined by a first tracking device and a navigate direction defined by a second tracking device, calculating a viewing angle according to the relative angle between the reference direction and the navigate direction, and displaying a VR or AR environment in the corresponding viewing angle.Type: ApplicationFiled: September 14, 2017Publication date: May 10, 2018Inventors: Hsu-Hong FENG, Wen-Hung SUN, Kai-Hsiu CHEN
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Publication number: 20180103499Abstract: A control method, suitable for an electronic device, includes following operations. A first connection is established based on a classic Bluetooth protocol or a Bluetooth Low Energy protocol from the electronic device to a first target device. A Bluetooth identifier of the first target device acquired in the first connection is recorded. The Bluetooth identifier of the first target device is shared. The Bluetooth identifier is utilized to establish a second connection based on the classic Bluetooth protocol or the Bluetooth Low Energy protocol to the first target device. The first connection and the second connection are established based on different protocols.Type: ApplicationFiled: March 30, 2017Publication date: April 12, 2018Inventors: Lo-Chien LEE, Chih-Yuan CHIEN, Kai-Hsiu CHEN, Wen-Yuan CHEN
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Publication number: 20180103130Abstract: An operating method of a communication device includes performing a scan procedure to receive a device name and an address of an external device; determining a connection interval corresponding to the external device according to one or more policies stored in the communication device under a condition that the device name and/or the address match the one or more policies; and building a connection with the external device according to the connection interval and the address of the external device, so that the communication device and the external device communicate corresponding to the connection interval.Type: ApplicationFiled: March 21, 2017Publication date: April 12, 2018Inventors: Kai-Hsiu CHEN, Chung-Kang LIN, Yao-Te TSAI
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Publication number: 20180098368Abstract: A control method, suitable for a host device including a Bluetooth low energy communication circuit, includes following operations. A high priority list is obtained. The high priority list includes information about at least one first peripheral device. The BLE communication circuit is triggered to perform a first scan to search for any peripheral device around the host device. A first search result of the first scan is compared with the high priority list. In response to that the first search result covers all of the at least one first peripheral device in the high priority list, the BLE communication circuit is triggered to stop the first scan. The BLE communication circuit is triggered to communicate with the at least one first peripheral device found in the first scan.Type: ApplicationFiled: March 30, 2017Publication date: April 5, 2018Inventors: Jing-Lung WU, Cheng-Yu CHUNG, Kai-Hsiu CHEN
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Publication number: 20170252643Abstract: A virtual reality system includes a head-mounted display and a processing device. The head-mounted display is configured for displaying a virtual reality content. The processing device is coupled to the head-mounted display device and communicated with an accessory kit. The processing device is configured to collect descriptor information from the accessory kit, obtain an accessory type identification of the accessory kit from the descriptor information, and process input-output data of the accessory kit according to the accessory type identification. The input-output data corresponds to interaction between at least one virtual reality object in the virtual reality content and the accessory kit.Type: ApplicationFiled: February 3, 2017Publication date: September 7, 2017Inventors: Chia-Wei CHEN, Lo-Chien LEE, Kai-Hsiu CHEN
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Publication number: 20080294893Abstract: A security reconfigurable device is adapted for use in an integrated wireless network integrating at least two wireless networks, and includes a plurality of security modules and a control unit. The security modules are used to respectively realize security mechanisms related to the wireless networks. According to security requirements, the control unit selects one of the security modules for operation. The security reconfigurable device can reduce time and cost for updating the security mechanisms. A method for security reconfiguration is also disclosed.Type: ApplicationFiled: April 22, 2008Publication date: November 27, 2008Applicant: National Tsing Hua UniversityInventors: Jui-Hung Kao, Tuan-Che Chen, Zong-Hua Liu, Kai-Hsiu Chen, Jyh-Cheng Chen
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Publication number: 20080107119Abstract: A method and system for guaranteeing QoS between different radio networks is disclosed. The radio networks comprise a first network and a second network. The first network, operating in Diff-serv mode, comprises a user equipment (UE). The second network comprises an AAA server, a TTG, and a GGSN. In the method a request to the TTG is initialized by the UE. A first QoS parameter is mapped to an IP header by the UE, an authentication request is then sent to the AAA server. The first QoS parameter is mapped to a second QoS parameter, and a Create PDP context request is constructed with the second QoS parameter to the GGSN to request a PDP context and a GTP-U tunnel.Type: ApplicationFiled: May 4, 2007Publication date: May 8, 2008Inventors: Kai-Hsiu Chen, Jui-Hung Yeh, Jyh-Cheng Chen