Patents by Inventor Wu Hu
Wu Hu 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: 20190035764Abstract: A method of making a semiconductor including soldering a conductor to an aluminum metallization is disclosed. In one example, the method includes substituting an aluminum oxide layer on the aluminum metallization by a substitute metal oxide layer or a substitute metal alloy oxide layer. Then, substitute metal oxides in the substitute metal oxide layer or the substitute metal alloy oxide layer are at least partly reduced. The conductor is soldered to the aluminum metallization using a solder material.Type: ApplicationFiled: July 16, 2018Publication date: January 31, 2019Applicant: Infineon Technologies AGInventors: Edmund Riedl, Wu Hu Li, Alexander Heinrich, Ralf Otremba, Werner Reiss
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Publication number: 20180253450Abstract: Methods and apparatus for processing timedly-published data are provided. After receiving an operation request for the timedly-published data, at least one of an append-file and a delete-file can be written according to the operation request. The append-file corresponds to to-be-appended timedly-published data or post-updated timedly-published data. The delete-file corresponds to to-be-deleted timedly-published data or pre-updated timedly-published data. Each of the append-file and the delete-file uses a publishing time of the timedly-published data as an index.Type: ApplicationFiled: May 3, 2018Publication date: September 6, 2018Inventors: Xiongfeng ZHU, Xiaopeng CAI, Yang LIU, Wu HU, Jiewen LIN
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Patent number: 9990379Abstract: Methods and apparatus for processing timedly-published data are provided. After receiving an operation request for the timedly-published data, at least one of an append-file and a delete-file can be written according to the operation request. The append-file corresponds to to-be-appended timedly-published data or post-updated timedly-published data. The delete-file corresponds to to-be-deleted timedly-published data or pre-updated timedly-published data. Each of the append-file and the delete-file uses a publishing time of the timedly-published data as an index.Type: GrantFiled: January 26, 2015Date of Patent: June 5, 2018Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Xiongfeng Zhu, Xiaopeng Cai, Yang Liu, Wu Hu, Jiewen Lin
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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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Patent number: 9719912Abstract: A cross-cut tester includes a handle with a receiving cavity, and a plurality of blades received in the receiving cavity. One end of the handle defines an opening. The cross-cut tester further includes a plurality of gaskets received in the receiving cavity. The gaskets and the blades are positioned one-by-one, and are detachably fixed in the receiving cavity. The cross-cut tester of the present disclosure can effectively improve the efficiency of drawing lines and reduce the cost.Type: GrantFiled: October 28, 2014Date of Patent: August 1, 2017Assignees: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: Jung-Chen Liang, Guo-Zeng Zheng, Jun-Wu Hu, Lei Cui
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Patent number: 9692328Abstract: The present invention provides a motor driving circuit to reduce switching loss, which is applied to a motor. The motor driving circuit comprises a motor driving unit, a push-pull output unit, and a control unit. The control unit is coupled to the motor driving unit and the push-pull output unit. The control unit transmits a driving voltage to drive the push-pull output unit such that the push-pull output unit generates amplified currents which are transmitted to the motor driving unit. The motor driving unit reduces charge/discharge periods thereof based on the received amplified currents.Type: GrantFiled: March 3, 2015Date of Patent: June 27, 2017Assignee: Asia Vital Components (China) Co., Ltd.Inventors: Bao-Lin Yao, Qing-Wu Hu
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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: 9544355Abstract: Methods and apparatus for realizing a short URL service are provided. According to a long URL, a short URL and long URL information are generated and stored. The long URL information contains the long URL and an information ID, and the information ID corresponds to the short URL via a pre-set corresponding mechanism to provide a corresponding relationship there-between. When a target long URL is acquired based on the short URL, the long URL in the long URL information is obtained as the target long URL according to the corresponding relationship between the short URL and the information ID. The target long URL obtained according to the short URL is updated by updating the long URL in the long URL information.Type: GrantFiled: April 29, 2016Date of Patent: January 10, 2017Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Xiaopeng Cai, Wu Hu, Jiewen Lin, Xiongfeng Zhu, Qunming Ouyang
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Publication number: 20160319827Abstract: 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: ApplicationFiled: April 28, 2015Publication date: November 3, 2016Inventors: Qing-Wu Hu, Dong-Qi Tian, Bao-Lin Yao
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Publication number: 20160261212Abstract: The present invention provides a motor driving circuit to reduce switching loss, which is applied to a motor. The motor driving circuit comprises a motor driving unit, a push-pull output unit, and a control unit. The control unit is coupled to the motor driving unit and the push-pull output unit. The control unit transmits a driving voltage to drive the push-pull output unit such that the push-pull output unit generates amplified currents which are transmitted to the motor driving unit. The motor driving unit reduces charge/discharge periods thereof based on the received amplified currents.Type: ApplicationFiled: March 3, 2015Publication date: September 8, 2016Inventors: Bao-Lin Yao, Qing-Wu Hu
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Publication number: 20160248837Abstract: Methods and apparatus for realizing a short URL service are provided. According to a long URL, a short URL and long URL information are generated and stored. The long URL information contains the long URL and an information ID, and the information ID corresponds to the short URL via a pre-set corresponding mechanism to provide a corresponding relationship there-between. When a target long URL is acquired based on the short URL, the long URL in the long URL information is obtained as the target long URL according to the corresponding relationship between the short URL and the information ID. The target long URL obtained according to the short URL is updated by updating the long URL in the long URL information.Type: ApplicationFiled: April 29, 2016Publication date: August 25, 2016Inventors: Xiaopeng CAI, Wu HU, Jiewen LIN, Xiongfeng ZHU, Qunming Ouyang
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Publication number: 20160047736Abstract: A cross-cut tester includes a handle with a receiving cavity, and a plurality of blades received in the receiving cavity. One end of the handle defines an opening. The cross-cut tester further includes a plurality of gaskets received in the receiving cavity. The gaskets and the blades are positioned one-by-one, and are detachably fixed in the receiving cavity. The cross-cut tester of the present disclosure can effectively improve the efficiency of drawing lines and reduce the cost.Type: ApplicationFiled: October 28, 2014Publication date: February 18, 2016Inventors: JUNG-CHEN LIANG, GUO-ZENG ZHENG, JUN-WU HU, LEI CUI
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Publication number: 20150134671Abstract: Methods and apparatus for data distribution and concurrence are provided. Data and a primary key of the data are obtained. A sub-key is assigned according to the primary key. The data are routed to a corresponding queue according to the sub-key. A writing operation is processed to the data in the queue. Because multiple sub-keys can exist under a same primary key and each sub-key can have one place for the writing operation, the writing operation can be processed simultaneously to the multiple sub-keys without affecting one another. The success rate of data writing concurrence can be improved and timeliness of the data can be ensured.Type: ApplicationFiled: January 23, 2015Publication date: May 14, 2015Inventors: JIEWEN LIN, XIAOPENG CAI, XIONGFENG ZHU, WU HU, YANG LIU
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Publication number: 20150134605Abstract: Methods and apparatus for processing timedly-published data are provided. After receiving an operation request for the timedly-published data, at least one of an append-file and a delete-file can be written according to the operation request. The append-file corresponds to to-be-appended timedly-published data or post-updated timedly-published data. The delete-file corresponds to to-be-deleted timedly-published data or pre-updated timedly-published data. Each of the append-file and the delete-file uses a publishing time of the timedly-published data as an index.Type: ApplicationFiled: January 26, 2015Publication date: May 14, 2015Inventors: XIONGFENG ZHU, XIAOPENG CAI, YANG LIU, WU HU, JIEWEN LIN
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Patent number: 8909790Abstract: A method for controlling a virtual role includes: initiating, by a source virtual role client, a virtual role trip request carrying an identification of a destination virtual role client to a control server on the network side; establishing, by the control server, a session between the source virtual role client and the destination virtual role client, and sending attribute information of the virtual role to the destination virtual role client through the network; displaying, by the destination virtual role client, the virtual role in a local user interface. Structures of the control server and systems for controlling virtual role are also provided. According to the present invention, a virtual role of a source virtual role client can make a trip to a destination virtual role client through the network without relying on a user client.Type: GrantFiled: May 29, 2009Date of Patent: December 9, 2014Assignee: Tencent Technology (Shenzhen) Company LimitedInventors: Bijian Guo, Wu Hu, Lei Xia, Qiuping Wei, Haibing Wang, Song Du, Baoyuan Ou
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Patent number: 8907605Abstract: A circuit structure applied to a motor and enabling upgraded MOS transistor heat dissipation ability is disclosed. The circuit structure includes a motor driving unit and a signal processing unit. The signal processing unit is connected to the motor driving unit for maintaining a first and a third switch of the motor driving unit at a constant turn-on voltage and boosting turn-on voltages of a second and a fourth switch of the motor driving unit, so as to effectively upgrade the heat dissipation ability of the first, second, third and fourth switches.Type: GrantFiled: December 20, 2012Date of Patent: December 9, 2014Assignee: Asia Vital Components (China) Co., Ltd.Inventors: Bao-Lin Yao, Qing-Wu Hu
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Publication number: 20140175952Abstract: A circuit structure applied to a motor and enabling upgraded MOS transistor heat dissipation ability is disclosed. The circuit structure includes a motor driving unit and a signal processing unit. The signal processing unit is connected to the motor driving unit for maintaining a first and a third switch of the motor driving unit at a constant turn-on voltage and boosting turn-on voltages of a second and a fourth switch of the motor driving unit, so as to effectively upgrade the heat dissipation ability of the first, second, third and fourth switches.Type: ApplicationFiled: December 20, 2012Publication date: June 26, 2014Applicant: ASIA VITAL COMPONENTS (CHINA) CO., LTD.Inventors: Bao-Lin Yao, Qing-Wu Hu
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Patent number: 8703544Abstract: An electronic component and method of making an electronic component is disclosed. In one embodiment, the electronic component includes a frame having a base layer, a first layer, a second layer including palladium placed on the first layer, and a third layer including gold placed on the second layer. A semiconductor chip is positioned on the frame.Type: GrantFiled: February 28, 2012Date of Patent: April 22, 2014Assignee: Infineon Technologies AGInventors: Wu Hu Li, Heng Wan Hong
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Patent number: 8693131Abstract: A system includes a self-servo-write (SSW) module, a read module, and a write module. The SSW module writes servo spirals on a magnetic medium of a hard disk drive (HDD) via a write head of the HDD. The read module reads the servo spirals via a read head of the HDD and generates read signals. The write module writes non-servo data on the magnetic medium via the write head based on the read signals before the SSW module writes servo wedges on the magnetic medium.Type: GrantFiled: July 16, 2012Date of Patent: April 8, 2014Assignee: Marvell International Ltd.Inventors: Jerome F. Richgels, Henri Sutioso, Allen Cheng Wu Hu, Scott A. Hughes
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Patent number: 8223452Abstract: A system includes a self-servo-write (SSW) module, a read module, and a write module. The SSW module writes servo spirals on a magnetic medium of a hard disk drive (HDD) via a write head of the HDD. The read module reads the servo spirals via a read head of the HDD and generates read signals. The write module writes non-servo data on the magnetic medium via the write head based on the read signals before the SSW module writes servo wedges on the magnetic medium.Type: GrantFiled: September 11, 2009Date of Patent: July 17, 2012Assignee: Marvell International Ltd.Inventors: Jerome F. Richgels, Henri Sutioso, Allen Cheng Wu Hu, Scott A. Hughes