Patents by Inventor Qiang Li

Qiang Li 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).

  • Publication number: 20120091796
    Abstract: A wireless power system for powering a projector includes a source resonator, configured to generate an oscillating magnetic field, and at least one device resonator, configured to receive power from the source resonator via the oscillating magnetic field, wherein said at least one device resonator supplies power to a projector component and to an adapter card component.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 19, 2012
    Inventors: Morris P. Kesler, Andrew J. Campanella, Katherine L. Hall, Aristeidis Karalis, Andre B. Kurs, Qiang Li
  • Publication number: 20120091794
    Abstract: A wireless energy transfer system for energizing desktop electronics includes a source resonator, having a dipole moment, and configured to be positioned above a desk and oriented such that the dipole moment of the resonator is parallel to a top surface of the desktop, the source resonator configured to generate oscillating magnetic fields, and wherein the oscillating magnetic field is capable of providing energy to at least one electronic device having an integrated device resonator when the electronic device is positioned at least one of on the desktop and above the desktop.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 19, 2012
    Inventors: Andrew J. Campanella, Katherine L. Hall, Aristeidis Karalis, Morris P. Kesler, Andre B. Kurs, Qiang Li, Marin Soljacic
  • Publication number: 20120091949
    Abstract: A wireless energy transfer system for energizing power tools includes at least one source resonator, configured to generate an oscillating magnetic field, and at least one power tool component attached to at least one device resonator, wherein the at least one device resonator is configured to wirelessly receive energy from the at least one source resonator via the oscillating magnetic field, and wherein the at least one power tool component can receive energy at multiple positions relative to the at least one source.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 19, 2012
    Inventors: Andrew J. Campanella, Katherine L. Hall, Morris P. Kesler, Konrad Kulikowski, Qiang Li, Eric R. Giler
  • Publication number: 20120091820
    Abstract: A wireless power service panel source includes power and control circuitry that receives power from a wired power connection at a position in a service panel, and generates an electronic drive signal at a frequency, f, and a source magnetic resonator configured to generate an oscillating magnetic field in response to the electronic drive signal, wherein the source magnetic resonator is configured to wirelessly transmit power to sensors in other positions within the service panel.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 19, 2012
    Inventors: Andrew J. Campanella, Qiang Li, Morris P. Kesler, Katherine L. Hall, Aristeidis Karalis, Konrad Kulikowski, Andre B. Kurs, Marin Soljacic, Eric R. Giler
  • Publication number: 20120091797
    Abstract: An energized table includes a capacitively-loaded conducting loop source resonator, with a characteristic size, L1, connected to a switching amplifier and configured to generate an oscillating magnetic field, wherein the conducting loop comprises multiple turns circumscribing an area of a table, the conducting loop does not extend into the center of the circumscribed area, the source resonator delivers useful power to at least one device resonator with a characteristic size, L2, and where, L1 is larger than L2.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 19, 2012
    Inventors: Morris P. Kesler, Andrew J. Campanella, Katherine L. Hall, Aristeidis Karalis, Konrad Kulikowski, Andre B. Kurs, Qiang Li, Marin Soljacic
  • Publication number: 20120091950
    Abstract: A wireless charging pad includes a capacitively-loaded conducting loop source resonator, with a characteristic size, L1, connected to a switching amplifier and configured to generate an oscillating magnetic field, wherein the conducting loop comprises multiple turns circumscribing an area, the conducting loop does not extend into the center of the circumscribed area, the source resonator delivers useful power to at least one device resonator with a characteristic size, L2, and where L1 is larger than L2.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 19, 2012
    Inventors: Andrew J. Campanella, Katherine L. Hall, Aristeidis Karalis, Morris P. Kesler, Konrad Kulikowski, Andre B. Kurs, Qiang Li, Marin Soljacic, Eric R. Giler, David Schatz
  • Publication number: 20120091819
    Abstract: A wireless power source includes a computer display comprising a planar source resonator configured to receive power from the display, wherein the source resonator generates an oscillating magnetic field in a region surrounding the display when the display is powered on, and the source resonator delivers useful power to at least one device resonator in the region surrounding the display.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 19, 2012
    Inventors: Konrad Kulikowski, Qiang Li, Andre B. Kurs, Andrew J. Campanella, Katherine L. Hall, Aristeidis Karalis, Morris P. Kesler, Marin Soljacic, Eric G. Giler, David Schatz
  • Publication number: 20120086867
    Abstract: A wireless power television system includes a television electrically connected to a device magnetic resonator, wherein the device magnetic resonator is configured to wirelessly receive power when separated from a source magnetic resonator by more than 10 cm, and wherein the television is powered directly by power received wirelessly by the device magnetic resonator.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 12, 2012
    Inventors: Morris P. Kesler, Konrad Kulikowski, Ron Fiorello, Andrew J. Campanella, Katherine L. Hall, Aristeidis Karalis, Andre B. Kurs, Qiang Li, Marin Soljacic, Eric R. Giler
  • Publication number: 20120086284
    Abstract: A wireless power source station includes a solar panel generating an output DC voltage, power and control circuitry that receives the output DC voltage and generates an electronic drive signal at a frequency, f, and a source magnetic resonator that generates an oscillating magnetic near field in response to the electronic drive signal for providing power to electronic devices in a region around the solar panel.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 12, 2012
    Inventors: Andrew J. Capanella, Ron Fiorello, Katherine L. Hall, Aristeidis Karalis, Morris P. Kesler, Konrad Kulikowski, Andre B. Kurs, Qiang Li, Marin Soljacic, Eric R. Giler, David Schatz
  • Publication number: 20120082053
    Abstract: A method for configuring a service and a method and apparatus for rate matching in a TD-SCDMA system, this method for configuring the service includes: taking that a check bit puncturing ratio should be more than 7i+a or less than 7i?a as a newly added constraint condition, and the check bit puncturing ratios of each configured service being outside a range of [7i+a, 7i?a], the method for rate matching includes: when puncturing each path of check bits of the current data block, if a difference between a position Pk of kth reserved check bit calculated according to a method defined by the service and a previously determined position NPk-1 of k?1th reserved check bit is a positive integral multiple of 7, determining a position NPk of kth reserved check bit as Pk plus 1 or Pk minus 1, and Pk plus 1 and Pk minus 1 requiring carrying out alternately.
    Type: Application
    Filed: March 31, 2010
    Publication date: April 5, 2012
    Applicant: ZTE CORPORATION
    Inventors: Ning Qiu, Qiang Li, Haifeng Ni, Wenqi Zeng, Xuehong Tian, Jiwen Wang, Jian Cheng, Yu Chen, Min Bi, Xiaolong Ran, Fanping Du, Lihong Liang
  • Patent number: 8143960
    Abstract: According to one exemplary embodiment, a voltage controlled oscillator configured to operate in low and high band modes includes a low band section and a high band section. The voltage controlled oscillator further includes a multi-tap inductor having a high inductance portion coupled to the low band section and a low inductance portion coupled to the high band section. The low band section is configured to provide a low frequency band oscillator output in the low band mode and the high band section is configure to provide a high frequency band oscillator output in the high band mode. The low band section is disabled in the high band mode and the high band section is disabled in the low band mode. A center tap of the multi-tap inductor is coupled to a supply voltage.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: March 27, 2012
    Assignee: Broadcom Corporation
    Inventor: Qiang Li
  • Publication number: 20120057484
    Abstract: The present invention provides a method includes: receiving a downlink channel quality indicator or an interference indicator, where the downlink channel quality indicator or the interference indicator is fed back by a UE; estimating a weak interference noise matrix of the UE according to the downlink channel quality indicator or the interference indicator, where the downlink channel quality indicator or the interference indicator is fed back by the UE; obtaining a time-frequency channel matrix of a serving cell and a time-frequency strong interference matrix of a strong interfering cell, and obtaining a time-frequency interference noise matrix of the UE according to the estimated weak interference noise matrix and the time-frequency strong interference matrix; and estimate downlink channel quality according to the time-frequency channel matrix and the time-frequency interference noise matrix.
    Type: Application
    Filed: September 16, 2011
    Publication date: March 8, 2012
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Lei Wan, Qiang Li, Liang Xia, Jingyuan Sun, Jianguo Wang
  • Patent number: 8118377
    Abstract: A computer enclosure includes a chassis, a cover detachably mounted to the chassis, and a rotary member pivotably attached to the cover. The chassis includes at least one assembly slot defined therein. A sliding member is slidably installed in the cover. At least one hook is formed on the sliding member and engaged in the assembly slot of the chassis. The rotary member is capable of being rotated to drive the sliding member to slide in the cover, thereby disengaging the hook from the assembly slot.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: February 21, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Yun-Lung Chen, Zhi-Qiang Li
  • Patent number: 8102953
    Abstract: A method and system for calibrating a plurality of modules in a communication system is provided. The method may include selecting a plurality of modules with at least one output signal and calibrating an amplitude of each selected module to be within a specified range if the amplitude is out of the specified range via a gain control processing circuit of the selected module, wherein the plurality of modules may be calibrated in an order starting with a first module located at an input of a signal path and ending with a module located at an output of the signal path. The DC component and amplitude of the envelope of the output signal may be detected by circuitry within the selected module. Muxes may be utilized to route the DC component and amplitude of the envelope to a feedback control processing circuit.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: January 24, 2012
    Assignee: Broadcom Corporation
    Inventors: Razieh Roufoogaran, Arya Behzad, Qiang Li
  • Patent number: 8098109
    Abstract: According to one exemplary embodiment, a differential varactor circuit for a voltage controlled oscillator having two differential outputs includes a first varactor having first and second terminals and a second varactor having first and second terminals. In the differential varactor circuit, each of the first and second terminals of the first varactor and each of the first and second terminals of the second varactor are coupled to one of the two differential outputs of the voltage controlled oscillator, thereby allowing a size of each of the first and second varactors to be reduced so as to increase varactor quality factor. Each of the first and second terminals of the first varactor can be coupled to one of the two differential outputs by a capacitor, and each of the first and second terminals of the second varactor can be coupled to one of the two differential outputs by a capacitor.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: January 17, 2012
    Assignee: Broadcom Corporation
    Inventors: Qiang Li, Shr-Lung Chen, Richard Chen
  • Publication number: 20120007215
    Abstract: At least a first capacitor is formed on a substrate and connected to a first differential node of a differential circuit, and the first capacitor may be variable in capacitance. A second capacitor is formed on the substrate and connected to a second differential node of the differential circuit, and the second capacitor also may be variable. A third capacitor is connected between the first differential node and the second differential node, and is formed at least partially above the first capacitor. In this way, a size of the first capacitor and/or the second capacitor may be reduced on the substrate, and capacitances of the first and/or second capacitor(s) may be adjusted in response to a variable characteristic of one or more circuit components of the differential circuit.
    Type: Application
    Filed: September 19, 2011
    Publication date: January 12, 2012
    Applicant: BROADCOM CORPORATION
    Inventors: Hooman Darabi, Qiang Li, Bo Zhang
  • Publication number: 20120002636
    Abstract: Embodiments of the present invention disclose a method, an apparatus and a system for allocating downlink power, which can solve the problem of downlink power allocation under a Coordinated Multi-Point transmitting (CoMP) environment and in a carrier aggregation (CA) technology. The method includes: calculating a power allocation according to measurement parameters which are of a reference signal and are reported by a terminal, and according to the number of physical resources within a measured bandwidth corresponding to each aggregate waveband, and an energy allocated to each resource block on the reference signal corresponding to the each aggregate waveband, where the number of physical resources and the energy are sent by a secondary evolved NodeB (eNB), sending the calculated power allocation to the secondary eNB, and sending to a user equipment (UE) energy information that corresponds to the reference signal corresponding to the each aggregate waveband of the secondary eNB.
    Type: Application
    Filed: March 17, 2009
    Publication date: January 5, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Dengkun Xiao, Qiang Li
  • Patent number: 8086263
    Abstract: Double transformer balun for maximum PA (Power Amplifier) power. A novel approach is presented herein by which conversion from a differential signal to single-ended signal may be achieved using a double transformer balun design. The secondary coils of the double transformer balun also operate as a choke for the PA supply voltage. The secondary coils can operate as an RF (Radio Frequency) trap or choke to keep any AC (Alternating Current) signal components and to pass any DC (Direct Current) components. By using a double transformer balun design, relatively thinner tracks may be employed thereby ensuring a high degree of electromagnetic coupling efficiency and high performance. Also, these relatively thinner tracks consume a relatively small amount of space on the die. The double transformer balun design also includes a matching Z (impedance) block that is operable to match the Z of an antenna or line that the PA is driving.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: December 27, 2011
    Assignee: Broadcom Corporation
    Inventors: Jesus Alfonso Castaneda, Qiang Li, Ahmadreza (Reza) Rofougaran
  • Patent number: 8073080
    Abstract: Certain aspects of a method and system for RC-CR quadrature generation with wideband coverage and process compensation may include determining an amplitude mismatch between an in-phase (I) component and a quadrature (Q) component of a signal generated in a radio frequency (RF) transmitter or receiver. A variation in resistance of a quadrature network associated with the I component and Q component may be determined. The determined amplitude mismatch and the determined variation in the resistance of the quadrature network may be compensated by adjusting a resistance of a portion of the quadrature network associated with the I component and a resistance of a portion of the quadrature network associated with the Q component.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: December 6, 2011
    Assignee: Broadcom Corporation
    Inventors: Qiang Li, Razieh Roufoogaran, Keith Carter, Arya Behzad
  • Publication number: 20110280348
    Abstract: The present invention relates to a method and apparatus for code acquisition. The present invention performs variable delay correlation to obtain the peak correlation result which is immune to carrier frequency offset and Doppler. The present invention makes use of a mapping parameter which is immune to sampling frequency offset. In particular, the present invention is applicable to the DTMB standard.
    Type: Application
    Filed: May 14, 2010
    Publication date: November 17, 2011
    Inventors: Qiang Li, Sheng Chen