Patents by Inventor Xueting Liu
Xueting Liu 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: 12222463Abstract: Embodiments provide a method for geomagnetically detecting a submarine cable, including: performing a preliminary detection by controlling an underwater robot equipped with a proton magnetometer; determining a preliminary direction and location of the cable based on preliminary detection information; controlling the underwater robot equipped with the proton magnetometer and two fluxgate magnetometers to launch into the water; controlling the underwater robot to travel over the cable and determining specific location information of the cable; controlling a heading of the underwater robot to move along the preliminary direction of the cable; and controlling the underwater robot equipped with the proton magnetometer and the two fluxgate magnetometers to launch into the water; determining whether a fault in the submarine cable occurs and a location of a fault point, based on Z-axis components of the general geomagnetic field and launching depth data of the underwater robot.Type: GrantFiled: June 22, 2021Date of Patent: February 11, 2025Assignee: ELECTRONIC UNIVERSITY OF SCIENCE & TECHNOLOGY OF HANGZHOUInventors: Xueting Zhang, Fang Wang, Xiaoqing Tian, Jingbiao Liu, Zefei Zhu
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Patent number: 11988199Abstract: The invention discloses a power generating device and an operation method thereof based on ocean temperature difference, which belong to the field of ocean energy utilization, and include a negative thermal expansion body, a rope and a generator. The negative thermal expansion body is connected to the rope, and the rope is connected to the generator simultaneously. The negative thermal expansion body is in a contracted state when in the hotter upper seawater close to the sea surface, and the difference obtained by deducting buoyancy from gravity is relatively large. The negative thermal expansion body is in an expanded state when in colder deep seawater, and the difference obtained by deducting buoyancy from gravity is relatively small. The unbalanced force on the rope will drive the rope to move, and the generator will be driven to generate power through the rope.Type: GrantFiled: August 11, 2022Date of Patent: May 21, 2024Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yue Shen, Jiangjiang Duan, Jintao Meng, Zhe Deng, Xueting Liu
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Publication number: 20230340947Abstract: The invention discloses a power generating device and an operation method thereof based on ocean temperature difference, which belong to the field of ocean energy utilization, and include a negative thermal expansion body, a rope and a generator. The negative thermal expansion body is connected to the rope, and the rope is connected to the generator simultaneously. The negative thermal expansion body is in a contracted state when in the hotter upper seawater close to the sea surface, and the difference obtained by deducting buoyancy from gravity is relatively large. The negative thermal expansion body is in an expanded state when in colder deep seawater, and the difference obtained by deducting buoyancy from gravity is relatively small. The unbalanced force on the rope will drive the rope to move, and the generator will be driven to generate power through the rope.Type: ApplicationFiled: August 11, 2022Publication date: October 26, 2023Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yue SHEN, Jiangjiang DUAN, Jintao MENG, Zhe DENG, Xueting LIU
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Publication number: 20220394605Abstract: A device, system and method for a user equipment (UE) to report a network resource and capability state to a network for coordinating network resource allocations. The UE is configured to establish a first connection to a first network based on a first subscriber identity module (SIM) of the UE and further configured to establish a second connection to a second network based on a second SIM of the UE. The method includes determining an upcoming first change of a state of the UE with respect to the first connection and transmitting, to the first network, an indication of the first change of state of the UE. The method further includes changing the state of the UE with respect to the first connection.Type: ApplicationFiled: November 28, 2019Publication date: December 8, 2022Inventors: Beibei WANG, Pengkai ZHAO, Zhu JI, Fangli XU, Haijng HU, Yuqin CHEN, Lele CUI, Ruirui ZONG, Haitong SUN, Wei ZENG, Jia TANG, Tianyan PU, Johnson O. SEBENI, Dawei ZHANG, Thanigaivelu ELANGOVAN, Hailong YANG, Xueting LIU
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Patent number: 11218181Abstract: A wireless communication device (UE) may conduct wireless communications using one or more antennas according to multiple radio access technologies (RAT) associated with corresponding operating frequency bands. The UE may perform adaptive antenna tuning, for example, application-based antenna tuning for increasing the operating efficiency of the UE, which may improve user experience. The UE may periodically identify one or more applications running on the UE, the respective RATs that support the (running) applications, and which of the corresponding frequency bands are used by the (running) applications. The UE may determine the tuner device settings for tuning the one or more antenna(s) based on the (running) applications or the type and/or priority of the (running) applications, which RATs support the running applications, which of the corresponding frequency bands are used by the (running) applications, and operating conditions associated with the frequency bands used by the (running) applications.Type: GrantFiled: March 18, 2019Date of Patent: January 4, 2022Assignee: Apple, Inc.Inventors: Dongchang Yu, Ming Hu, Hailong Yang, Tarakkumar G. Dhanani, Vijay Gadde, Xueting Liu, Dikshit Garg, Neeraj D. Vaghela, Mohit Narang, Sharad Garg
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Patent number: 11034651Abstract: Disclosed is a light colored modified isocyanate mixture and a preparation method thereof. The method comprises the following steps: a) reacting isocyanate groups of a raw material isocyanate under the action of a phospholenecatalyst, and finally obtaining a modified isocyanate reaction solution containing carbodiimide and/or uretonimine derivatives; and b) adding a compounded terminator of a halosilane organic and a sulfonic anhydride to the reaction solution obtained in step a so as to terminate the reaction of carbodiimidization. The modified isocyanate prepared by the method has the characteristics of a liquid state at room temperature, being stable in storage at room temperature and high temperature, and low color number.Type: GrantFiled: August 2, 2018Date of Patent: June 15, 2021Inventors: Ye Zhou, Wenbo Wang, Yilu Xia, Hongke Zhang, Xiaogao Liu, Guiying Niu, Huihui Wang, Xueting Liu
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Patent number: 10833740Abstract: A communication device has multiple antennas in an antenna array, and applies the same input power to each antenna. A controller of the communication device instructs phase shifters to form a first subarray with a first pair of the antennas and a second subarray with a second pair of the antennas. The controller causes the first subarray to generate a first beam and causes the second subarray to generate a second beam, wherein the first beam combines in phase with the second beam to generate a coarse beam. The coarse beam may have increased beam width while exhibiting decreased peak gain loss.Type: GrantFiled: July 19, 2019Date of Patent: November 10, 2020Assignee: Apple Inc.Inventors: Chia-Feng Lin, Qishan Yu, Berke Cetinoneri, Xueting Liu
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Publication number: 20200283375Abstract: Disclosed is a light colored modified isocyanate mixture and a preparation method thereof. The method comprises the following steps: a) reacting isocyanate groups of a raw material isocyanate under the action of a phospholenecatalyst, and finally obtaining a modified isocyanate reaction solution containing carbodiimide and/or uretonimine derivatives; and b) adding a compounded terminator of a halosilane organic and a sulfonic anhydride to the reaction solution obtained in step a so as to terminate the reaction of carbodiimidization. The modified isocyanate prepared by the method has the characteristics of a liquid state at room temperature, being stable in storage at room temperature and high temperature, and low color number.Type: ApplicationFiled: August 2, 2018Publication date: September 10, 2020Applicant: Wanhua Chemical Group Co., Ltd.Inventors: Ye Zhou, Wenbo Wang, Yilu Xia, Hongke Zhang, Xiaogao Liu, Guiying Niu, Huihui Wang, Xueting Liu
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Publication number: 20190296789Abstract: A wireless communication device (UE) may conduct wireless communications using one or more antennas according to multiple radio access technologies (RAT) associated with corresponding operating frequency bands. The UE may perform adaptive antenna tuning, for example, application-based antenna tuning for increasing the operating efficiency of the UE, which may improve user experience. The UE may periodically identify one or more applications running on the UE, the respective RATs that support the (running) applications, and which of the corresponding frequency bands are used by the (running) applications. The UE may determine the tuner device settings for tuning the one or more antenna(s) based on the (running) applications or the type and/or priority of the (running) applications, which RATs support the running applications, which of the corresponding frequency bands are used by the (running) applications, and operating conditions associated with the frequency bands used by the (running) applications.Type: ApplicationFiled: March 18, 2019Publication date: September 26, 2019Inventors: Dongchang Yu, Ming Hu, Hailong Yang, Tarakkumar G. Dhanani, Vijay Gadde, Xueting Liu, Dikshit Garg, Neeraj D. Vaghela, Mohit Narang, Sharad Garg
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Patent number: 10425137Abstract: The disclosed embodiments provide a system that uses a first antenna and a second antenna in a portable electronic device. During operation, the system receives a request to switch from the first antenna to the second antenna to transmit a signal to a cellular receiver. Next, the system loads a set of radio-frequency (RF) calibration values for the second antenna. Finally, the system performs the switch from the first antenna to the second antenna to transmit the signal, wherein the second antenna is operated using the RF calibration values after the switch.Type: GrantFiled: April 7, 2017Date of Patent: September 24, 2019Assignee: Apple Inc.Inventors: Ming Hu, Haining Zhang, Xueting Liu
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Patent number: 10051479Abstract: Systems and method to improve performance of a radio frequency system while operating in compliance with wireless transmission regulations are provided. One embodiment describes a radio frequency system including an antenna that wirelessly transmits an analog electrical signal at a transmission frequency and receives a first network signaling value from a wireless network. The radio frequency system further includes a controller that determines operational constraints on the radio frequency system based on a region of operation; determines a second network signaling value based on the operational constraints, in which the second network signaling value overrides the first network signaling value; determines operational parameters based on the second network signaling value; and instructs the radio frequency system to implement the operational parameters to facilitate the radio frequency system operating in compliance with the operational constraints.Type: GrantFiled: August 17, 2017Date of Patent: August 14, 2018Assignee: Apple Inc.Inventors: Ryan J. Goedken, Xueting Liu, Nicholas W. Lum
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Publication number: 20170347273Abstract: Systems and method to improve performance of a radio frequency system while operating in compliance with wireless transmission regulations are provided. One embodiment describes a radio frequency system including an antenna that wirelessly transmits an analog electrical signal at a transmission frequency and receives a first network signaling value from a wireless network. The radio frequency system further includes a controller that determines operational constraints on the radio frequency system based on a region of operation; determines a second network signaling value based on the operational constraints, in which the second network signaling value overrides the first network signaling value; determines operational parameters based on the second network signaling value; and instructs the radio frequency system to implement the operational parameters to facilitate the radio frequency system operating in compliance with the operational constraints.Type: ApplicationFiled: August 17, 2017Publication date: November 30, 2017Inventors: Ryan J. Goedken, Xueting Liu, Nicholas W. Lum
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Publication number: 20170279510Abstract: The disclosed embodiments provide a system that uses a first antenna and a second antenna in a portable electronic device. During operation, the system receives a request to switch from the first antenna to the second antenna to transmit a signal to a cellular receiver. Next, the system loads a set of radio-frequency (RF) calibration values for the second antenna. Finally, the system performs the switch from the first antenna to the second antenna to transmit the signal, wherein the second antenna is operated using the RF calibration values after the switch.Type: ApplicationFiled: April 7, 2017Publication date: September 28, 2017Applicant: Apple Inc.Inventors: Ming HU, Haining ZHANG, Xueting LIU
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Patent number: 9749871Abstract: Systems and method to improve performance of a radio frequency system while operating in compliance with wireless transmission regulations are provided. One embodiment describes a radio frequency system including an antenna that wirelessly transmits an analog electrical signal at a transmission frequency and receives a first network signaling value from a wireless network. The radio frequency system further includes a controller that determines operational constraints on the radio frequency system based on a region of operation; determines a second network signaling value based on the operational constraints, in which the second network signaling value overrides the first network signaling value; determines operational parameters based on the second network signaling value; and instructs the radio frequency system to implement the operational parameters to facilitate the radio frequency system operating in compliance with the operational constraints.Type: GrantFiled: August 3, 2015Date of Patent: August 29, 2017Assignee: APPLE INC.Inventors: Ryan J. Goedken, Xueting Liu, Nicholas W. Lum
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Patent number: 9621245Abstract: The disclosed embodiments provide a system that uses a first antenna and a second antenna in a portable electronic device. During operation, the system receives a request to switch from the first antenna to the second antenna to transmit a signal to a cellular receiver. Next, the system loads a set of radio-frequency (RF) calibration values for the second antenna. Finally, the system performs the switch from the first antenna to the second antenna to transmit the signal, wherein the second antenna is operated using the RF calibration values after the switch.Type: GrantFiled: December 19, 2014Date of Patent: April 11, 2017Assignee: Apple Inc.Inventors: Ming Hu, Haining Zhang, Xueting Liu
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Publication number: 20170041804Abstract: Systems and method to improve performance of a radio frequency system while operating in compliance with wireless transmission regulations are provided. One embodiment describes a radio frequency system including an antenna that wirelessly transmits an analog electrical signal at a transmission frequency and receives a first network signaling value from a wireless network. The radio frequency system further includes a controller that determines operational constraints on the radio frequency system based on a region of operation; determines a second network signaling value based on the operational constraints, in which the second network signaling value overrides the first network signaling value; determines operational parameters based on the second network signaling value; and instructs the radio frequency system to implement the operational parameters to facilitate the radio frequency system operating in compliance with the operational constraints.Type: ApplicationFiled: August 3, 2015Publication date: February 9, 2017Inventors: Ryan J. Goedken, Xueting Liu, Nicholas W. Lum
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Publication number: 20150188616Abstract: The disclosed embodiments provide a system that uses a first antenna and a second antenna in a portable electronic device. During operation, the system receives a request to switch from the first antenna to the second antenna to transmit a signal to a cellular receiver. Next, the system loads a set of radio-frequency (RF) calibration values for the second antenna. Finally, the system performs the switch from the first antenna to the second antenna to transmit the signal, wherein the second antenna is operated using the RF calibration values after the switch.Type: ApplicationFiled: December 19, 2014Publication date: July 2, 2015Inventors: Ming Hu, Haining Zhang, Xueting Liu
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Patent number: 8918066Abstract: The disclosed embodiments provide a system that uses a first antenna and a second antenna in a portable electronic device. During operation, the system receives a request to switch from the first antenna to the second antenna to transmit a signal to a cellular receiver. Next, the system loads a set of radio-frequency (RF) calibration values for the second antenna. Finally, the system performs the switch from the first antenna to the second antenna to transmit the signal, wherein the second antenna is operated using the RF calibration values after the switch.Type: GrantFiled: August 29, 2012Date of Patent: December 23, 2014Assignee: Apple Inc.Inventors: Ming Hu, Haining Zhang, Xueting Liu
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Publication number: 20130331044Abstract: The disclosed embodiments provide a system that uses a first antenna and a second antenna in a portable electronic device. During operation, the system receives a request to switch from the first antenna to the second antenna to transmit a signal to a cellular receiver. Next, the system loads a set of radio-frequency (RF) calibration values for the second antenna. Finally, the system performs the switch from the first antenna to the second antenna to transmit the signal, wherein the second antenna is operated using the RF calibration values after the switch.Type: ApplicationFiled: August 29, 2012Publication date: December 12, 2013Applicant: APPLE INC.Inventors: Ming Hu, Haining Zhang, Xueting Liu