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Chao Bi
Quan Jiang, Chao Bi: Method to detect the true zero-crossing points of the phase back EMF for sensorless control of brushless DC motors. April 12, 2005: US06879124 (14 worldwide citation)

In the present system and method, ZCP level signals of each phase voltage are first obtained. Among the detected ZCP level signals, some ZCPs are generated by phase back EMF, which are true ZCPs and other ZCPs by commutations, which are false ZCPs. The duration of the false ZCP level outputs varies ...


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Chao Bi
Quan Jiang, Chao Bi, Song Lin: Runout measurement for devices having a rotating body. Agency for Science Technology and Research, Blakely Sokoloff Taylor & Zafman, December 17, 2013: US08610392

A runout measurement system is proposed for measuring the runout of a moving surface of a device having a rotating body, such as a mass storage device (100) (e.g. a hard disk drive) having a rotor which in use includes a rotating recording medium. A sensor (102) interacting with the moving surface o ...


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Chao Bi
Chao Bi, Quan Jiang, Song Lin, Nay Lin Htun Aung, Hla Nu Phyu: Low profile permanent magnet synchronous motor with segment structure. Agency for Science Technology and Research, Martine Penilla Group, November 5, 2013: US08575797

A low profile permanent magnet synchronous motor with segment structure. In accordance with this invention, a stator assembly for an electromagnetic motor is provided. The stator assembly has a first stator core and a second stator core that couple windings. Teeth extend outward from each stator cor ...


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Shun Quan Jiang, Tzu Yi Huang: Detachable hard drive with an electromagnetic switch. Wistron Corporation, March 6, 2012: US08130490 (1 worldwide citation)

A detachable hard drive with an electromagnetic switch comprises a tray, a fastening unit and an electromagnetic switch. The electromagnetic switch is powered on when the hard drive is in operation, and sequentially the fastening unit is electrically controlled by the electromagnetic switch to autom ...


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Hong Cai, Jun Jie Cai, Wei Gong, Lin Quan Jiang, Jing Lv, Xin Sheng Mao, Heng Wang, Hai Hong Xu, Ke Zhang, Min Jun Zhou: Providing services to multiple tenants of an application. International Business Machines Corporation, Winstead P C, August 16, 2016: US09420034 (1 worldwide citation)

A method, system and computer program product for providing a service to multiple tenants of an application. Responsive to receiving from a client of a tenant a request, a tenant context of the tenant is bound to the request. With respect to an access to an isolation point of the application in the ...


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Lakshman S Tamil, Glen Collier, Mitch Entezari, Allesandro Fabbri, Gopalakrishnan Hari, Justin Hunt, Quan Jiang, Bing Li, Lee McFearin, Joseph M McQuade, Earl Ponceti, Scott A Rothrock, Frederick A Rush, Alexander A Smith, David Wolf: Container based crossconnect. Yotta networks, Sprinkle IP Law Group, July 31, 2007: US07251416 (1 worldwide citation)

Systems and methods for optical cross connects which switch data at a container (packet) level. In one embodiment, a plurality of optical switch edges are coupled to an optical switch core via a minimal number of optical fibers. The switch core is configured to optically switch data from an ingress ...


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Guangdi Wang, Shilong Zheng, Quan Jiang, Qiu Zhong, Qiang Zhang: XAVIER UNIVERSITY OF LOUISIANA, McBee Moore Woodward & Vanik IP, May 31, 2016: US09353132 (1 worldwide citation)

The present disclosure relates to boron-based 4-hydroxytamoxifen and endoxifen prodrugs and the synthesis of the same. Further, the present disclosure teaches the utilization of the boron-based 4-hydroxytamoxifen and endoxifen prodrugs in a treatment for breast cancer.


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Wen Xiang Xie, Sze Chek Tan, Yew Meng Tan, Zhong Quan Jiang: Method for using host controller to solicit a command failure from target device in order to initiate re-enumeration of the target device. Seagate Technology, Fellers Snider et al, May 18, 2010: US07721016

A method of initiating re-enumeration of a USB device without manual intervention is provided. The method involves a sequence emulating detachment and re-attachment of a device to the host while the device remains attached to the host. As the device remains attached to the host throughout the sequen ...