Patents by Inventor Qi Tian
Qi Tian 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: 11171522Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for improving wireless charging. In some implementations, an electronic device determines a power demand of the electronic device. The electronic device includes a wireless power receiver including a wireless power receiving coil configured to receive power through inductive coupling with a wireless charge. The electronic device determines an operating voltage or operating frequency for the wireless charger based on the power demand of the electronic device. The electronic device sends, to the wireless charger, data indicating the operating voltage or operating frequency for the wireless charger.Type: GrantFiled: April 24, 2019Date of Patent: November 9, 2021Assignee: Google LLCInventors: Liang Jia, Qi Tian, Liyu Yang, Veera Venkata Siva Nagesh Polu, Srikanth Lakshmikanthan, Rahul Apte, Jae-won Hwang, Srenik Suresh Mehta
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Publication number: 20210312261Abstract: The present application discloses a neural network search method in the field of artificial intelligence, and the neural network search method includes: obtaining a feature tensor of each of a plurality of neural networks, where the feature tensor of each neural network is used to represent a computing capability of the neural network; inputting the feature tensor of each of the plurality of neural networks into an accuracy prediction model for calculation, to obtain accuracy of each neural network, where the accuracy prediction model is obtained through training based on a ranking-based loss function; and determining a neural network corresponding to the maximum accuracy as a target neural network. Embodiments of the present invention help improve accuracy of a network structure found through search.Type: ApplicationFiled: April 1, 2021Publication date: October 7, 2021Inventors: Yixing XU, Kai HAN, Yunhe WANG, Chunjing XU, Qi TIAN
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Patent number: 11132780Abstract: A target detection method comprises performing corner point feature extraction processing on an input image to obtain a pair of target corner points, generating a target frame based on the pair of target corner points, and outputting a target detection result of a target object when determining that a calibration area in the target frame comprises a target feature point.Type: GrantFiled: February 14, 2020Date of Patent: September 28, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lingxi Xie, Kaiwen Duan, Qi Tian
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Publication number: 20210256680Abstract: A target detection method comprises performing corner point feature extraction processing on an input image to obtain a pair of target corner points, generating a target frame based on the pair of target corner points, and outputting a target detection result of a target object when determining that a calibration area in the target frame comprises a target feature point.Type: ApplicationFiled: February 14, 2020Publication date: August 19, 2021Inventors: Lingxi Xie, Kaiwen Duan, Qi Tian
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Publication number: 20200343777Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for improving wireless charging. In some implementations, an electronic device determines a power demand of the electronic device. The electronic device includes a wireless power receiver including a wireless power receiving coil configured to receive power through inductive coupling with a wireless charge. The electronic device determines an operating voltage or operating frequency for the wireless charger based on the power demand of the electronic device. The electronic device sends, to the wireless charger, data indicating the operating voltage or operating frequency for the wireless charger.Type: ApplicationFiled: April 24, 2019Publication date: October 29, 2020Inventors: Liang Jia, Qi Tian, Liyu Yang, Veera Venkata Siva Nagesh Polu, Srikanth Lakshmikanthan, Rahul Apte, Jae-won Hwang, Srenik Suresh Mehta
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Patent number: 10687896Abstract: A method for surgical resection planning of a mass includes the steps of, modelling the mass based on a plurality of physical dimensions, determining a plurality of safety margins around a plurality of features within the mass, simulating a resection surface on the mass that includes a plurality of triangles, optimizing local area and position of a first of the plurality of triangles on the resection surface based on a triangle-based algorithm, updating the simulation of the resection surface, and repeating the steps of optimizing and updating for each of the plurality of triangles on the resection surface.Type: GrantFiled: June 11, 2014Date of Patent: June 23, 2020Assignees: Agency for Science, Technology and Research, National University Hospital (Singapore) Pte Ltd.Inventors: Wenyu Chen, Sudhakar K. Venkatesh, Qi Tian, Jianyin Zhou, Weimin Huang, Wei Xiong, Oo Thiha
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Patent number: 10611248Abstract: An electrical system for a vehicle which can be electrically driven includes a high-voltage DC system and a low-voltage DC system. A DC/DC converter is, or can be, electrically connected to the high-voltage DC system at one end and to the low-voltage DC system at the other end. An AC line passage is, or can be, electrically connected to a first DC/AC converter. The first DC/AC converter is, or can be, electrically connected to the high-voltage DC system at one end and to an AC drive device of the vehicle by way of the AC line passage at the other end. There is also included a DC energy source, in particular a fuel cell device for example. A second DC/AC converter is, or can be, electrically connected to the DC energy source at one end and to the AC line passage at the other end.Type: GrantFiled: August 13, 2015Date of Patent: April 7, 2020Assignee: Continental Automotive GmbHInventors: Qi Tian, Florian Uhrig
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Publication number: 20200083754Abstract: Methods, systems, and techniques for safely controlling wireless charging in the presence of a foreign object are presented. A method includes determining a power difference between a power transmitted by a wireless charger and a power received by an electronic device, determining a level of misalignment of the electronic device with respect to the wireless charger; estimating an amount of power difference due to the level of misalignment of the electronic device with respect to the wireless charger, adjusting a power difference threshold for the wireless charger based on the estimated amount of power difference, and controlling operation of the wireless charger based on the power difference and the adjusted power difference threshold.Type: ApplicationFiled: September 7, 2018Publication date: March 12, 2020Inventors: Qi Tian, Veera Venkata Siva Nagesh Polu, Liang Jia, Liyu Yang, Jae-won Hwang, Rahul Apte, Srikanth Lakshmikanthan, Srenik Suresh Mehta, Robert Thomas Shone
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Patent number: 10386051Abstract: An optical structure for processing the light output by a lighting unit, in which an antenna (36) is formed within or over an region (34) of the optical layer (23) of the structure, wherein the region (34) is away from the optical beam processing parts (21) a of the optical layer (23).Type: GrantFiled: March 11, 2015Date of Patent: August 20, 2019Assignee: SIGNIFY HOLDING B.V.Inventors: Min Chen, Lihua Lin, Xiao Sun, Kai Qi Tian
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Patent number: 10317861Abstract: A switch drive circuit for a fan processor is applied to a fan processor. The switch drive circuit includes multiple upper arm switch components, multiple lower arm switch components correspondingly electrically connected with the upper arm switch components, a first drive switch unit and a second drive switch unit. The upper arm switch components are driven by a first pulse width modulation signal and a second pulse width modulation signal. The first and second drive switch units serve to receive a third pulse width modulation signal and a high-frequency puke width modulation signal. The third pulse width modulation signal is switched between a voltage high-level state and a voltage low-level state to trigger and turn on the lower arm switch components.Type: GrantFiled: September 4, 2015Date of Patent: June 11, 2019Assignee: Asia Vital Components Co., Ltd.Inventors: Qing-Wu Hu, Dong-Qi Tian, Bao-Lin Yao
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Publication number: 20180135636Abstract: A multi-fan speed single-wire output system and a method thereof are disclosed. The system includes at least one first fan and one second fan, which have a first and a second rotation speed, respectively. The first fan transmits the first rotation speed to the second fan, and the second fan performs a logical operation on the first and the second rotation speed to generate an output rotation speed.Type: ApplicationFiled: November 16, 2016Publication date: May 17, 2018Inventors: Hu Zhang, Dong-Qi Tian, Wei-Ming Li
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Patent number: 9970446Abstract: A multi-fan speed single-wire output system and a method thereof are disclosed. The system includes at least one first fan and one second fan, which have a first and a second rotation speed, respectively. The first fan transmits the first rotation speed to the second fan, and the second fan performs a logical operation on the first and the second rotation speed to generate an output rotation speed.Type: GrantFiled: November 16, 2016Date of Patent: May 15, 2018Assignee: Asia Vital Components Co., Ltd.Inventors: Hu Zhang, Dong-Qi Tian, Wei-Ming Li
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Patent number: 9974123Abstract: A power supply system uses a DC-DC power converter (28) for supplying an output load. A compensation circuit (40) is connected between the input to the DC-DC converter and the output of the DC-DC converter and it provides a compensating path in response to a voltage drop at the output of the DC-DC converter caused by a surge in the output load. The power supply system further comprises a low drop out regulator (30) as the output load, which low drop out regulator (30) having an input connected to the DC-DC power converter and the compensation circuit, and an output connected to an output terminal (C) for connection to a further output load. This enables the DC-DC power converter to have a low current capability, because a large current demand can be met by the DC supply to the DC-DC converter.Type: GrantFiled: June 26, 2015Date of Patent: May 15, 2018Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Shan Wang, Kai Qi Tian, Gang Wang
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Patent number: 9957971Abstract: A method for preventing a fan from burning down includes steps of: using a central processing unit (CPU) to detect rotational speed of forward operation of a fan and defining as a highest backward rotational speed value; using the CPU to detect operation direction and rotational speed of backward operation of the fan; and using the CPU to activate the fan to operate forward or activate a rotation stop control signal to stop the fan when the fan impeller rotates forward or backward by return air, if the rotational speed of the rotation stop control signal is smaller or larger than the highest backward rotational speed value, the CPU activating the fan to operate forward or making the fan to generate a warning signal and keeping providing the rotation stop control signal. The method can prevent the fan from burning down and enhance the stability.Type: GrantFiled: April 28, 2015Date of Patent: May 1, 2018Assignee: ASIA VITAL COMPONENTS CO., LTD.Inventors: Qing-Wu Hu, Dong-Qi Tian, Bao-Lin Yao
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Publication number: 20170282723Abstract: An electrical system for a vehicle which can be electrically driven includes a high-voltage DC system and a low-voltage DC system. A DC/DC converter is, or can be, electrically connected to the high-voltage DC system at one end and to the low-voltage DC system at the other end. An AC line passage is, or can be, electrically connected to a first DC/AC converter. The first DC/AC converter is, or can be, electrically connected to the high-voltage DC system at one end and to an AC drive device of the vehicle by way of the AC line passage at the other end. There is also included a DC energy source, in particular a fuel cell device for example. A second DC/AC converter is, or can be, electrically connected to the DC energy source at one end and to the AC line passage at the other end.Type: ApplicationFiled: August 13, 2015Publication date: October 5, 2017Applicant: CONTINENTAL AUTOMOTIVE GMBHInventors: QI TIAN, FLORIAN UHRIG
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Patent number: 9710023Abstract: Perforated structures and methods for forming perforated structures are disclosed. The perforated structures include partial holes or blind-holes that pass partially through the substrate. The partial holes can be positioned proximate to through-holes that pass entirely through the substrate. The partial holes add mechanical strength to the perforated substrate. Described are methods for modifying the optical appearance of the partial holes such that the partial holes appear indistinguishable from the through-holes, which allows for flexibility in designing cosmetically appealing patterns within the perforated structures.Type: GrantFiled: August 24, 2015Date of Patent: July 18, 2017Assignee: APPLE INC.Inventors: Ming Kun Shi, Jason O. Mettler, Hilbert T. Kwan, Christopher Bruni, Qi Tian, Jing Zhang, Howard E. Bujtor, Stephen V. Jayanathan, Houtan R. Farahani
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Publication number: 20170164436Abstract: A power supply system uses a DC-DC power converter (28) for supplying an output load. A compensation circuit (40) is connected between the input to the DC-DC converter and the output of the DC-DC converter and it provides a compensating path in response to a voltage drop at the output of the DC-DC converter caused by a surge in the output load. The power supply system further comprises a low drop out regulator (30) as the output load, which low drop out regulator (30) having an input connected to the DC-DC power converter and the compensation circuit, and an output connected to an output terminal (C) for connection to a further output load. This enables the DC-DC power converter to have a low current capability, because a large current demand can be met by the DC supply to the DC-DC converter.Type: ApplicationFiled: June 26, 2015Publication date: June 8, 2017Inventors: Shan WANG, Kai Qi TIAN, Gang WANG
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Publication number: 20170067664Abstract: A switch drive circuit capable of saving timers of fan processor is applied to a processor. The switch drive circuit includes multiple upper arm switch components, multiple lower arm switch components correspondingly electrically connected with the upper arm switch components, a first drive control unit and a second drive control unit. The upper arm switch components are driven by a first pulse width modulation signal and a second pulse width modulation signal. The first and second drive control units serve to receive a third pulse width modulation signal and a high-frequency pulse width modulation signal. The third pulse width modulation signal is switched between a high-level state and a low-level state to trigger and turn on the lower arm switch components.Type: ApplicationFiled: September 4, 2015Publication date: March 9, 2017Inventors: Qing-Wu Hu, Dong-Qi Tian, Bao-Lin Yao
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Patent number: 9559730Abstract: A multiplexer is disclosed configured between a transceiving antenna and a receiving channel and a transmitting channel; the transceiving antenna, the receiving channel and the transmitting channel are shared by signals of at least two modes. The multiplexer includes a combiner module, transmitting filter modules, receiving filter modules and amplifier modules in one-to-one correspondence with the signals of various modes. The multiplexer addresses the problem of how multi-mode signals share a transmitting channel, a receiving channel and a transceiving antenna.Type: GrantFiled: August 21, 2013Date of Patent: January 31, 2017Assignee: ZTE CorporationInventors: Hong Zhou, Qi Tian, Nan Shen, Hua Yang, Lijuan Zhao
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Patent number: 9553618Abstract: Provided is a signal cancellation method for a wireless communication system, including: splitting a transmitted signal to obtain a main channel signal transmitted on a main channel and an auxiliary channel signal transmitted on an auxiliary channel; performing digital domain channel characteristic matching processing on the main channel signal and the auxiliary channel signal respectively to obtain a main channel characteristic matched signal and an auxiliary channel characteristic matched signal; and combining the main channel characteristic matched signal and the auxiliary channel characteristic matched signal which are coupled to a receiving channel in order for signal cancellation. A signal cancellation device for a wireless communication system is also provided. Through the technical solution of the disclosure, the signal cancellation problem of a bandwidth can be solved better.Type: GrantFiled: October 10, 2013Date of Patent: January 24, 2017Assignee: ZTE CORPORATIONInventors: Qi Tian, Qing Yang, Yijun Cui, Jianli Wang, Baiqing Zong