Patents by Inventor Jianzhong Huang

Jianzhong Huang 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).

  • Patent number: 8995072
    Abstract: A servo system includes a detector circuit operable to apply a data detection algorithm to digital data to yield hard decisions, a convolution circuit operable to yield ideal digital data based on the hard decisions and on target values, a subtraction circuit operable to subtract the ideal digital data from the digital data to yield an error signal, a scaling circuit operable to scale the error signal to yield a scaled noise signal, an adder operable to add the scaled noise signal to the digital data to yield noise-added digital data, and a second detector circuit operable to apply a second data detection algorithm to the noise-added digital data to yield output hard decisions.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: March 31, 2015
    Assignee: LSI Corporation
    Inventors: Dahua Qin, Xun Zhang, Lu Lu, Haitao Xia, Jianzhong Huang
  • Patent number: 8937781
    Abstract: A contact detection system includes a comparator operable to compare a signal derived from a contact sensor with a threshold and to indicate contact when the signal is greater than the threshold, a parameter estimation circuit operable to estimate parameters of a probability density function based on the signal derived from the contact sensor, and a threshold calculator operable to calculate the threshold based at least in part on the parameters of the probability density function.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: January 20, 2015
    Assignee: LSI Corporation
    Inventors: Xiufeng Song, Jianzhong Huang, Fan Zhang, Jun Xiao
  • Patent number: 8922933
    Abstract: Systems and methods for data processing, and more particularly systems and methods for loop processing with variance adaptation.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: December 30, 2014
    Assignee: LSI Corporation
    Inventors: Jianzhong Huang, Haitao Xia, Rui Cao, Lu Pan
  • Patent number: 8917467
    Abstract: Systems, methods, devices, circuits for data processing, and more particularly to data processing including adjacent track interference mitigation.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: December 23, 2014
    Assignee: LSI Corporation
    Inventors: Haitao Xia, Jianzhong Huang, Ming Jin, Wu Chang
  • Patent number: 8902525
    Abstract: The present invention is related to systems and methods for adaptive parameter modification in a data processing system.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: December 2, 2014
    Assignee: LSI Corporation
    Inventors: Bruce A. Wilson, Jianzhong Huang, Haitao Xia, Lu Lu
  • Publication number: 20140334028
    Abstract: Systems, methods, devices, circuits for data processing, and more particularly to systems and methods for data processing with a linear phase noise predictive filter. A data processing system includes an equalizer circuit operable to filter a digital data input to yield equalized data, a linear phase noise predictive finite impulse response filter operable to filter the equalized data to yield filtered data, and a data detector circuit operable to apply a data detection algorithm to the filtered data to yield a detected output. The greatest tap coefficient for the linear phase noise predictive finite impulse response filter is at a center tap.
    Type: Application
    Filed: June 6, 2013
    Publication date: November 13, 2014
    Inventors: Lu Lu, Jianzhong Huang, Haitao Xia
  • Patent number: 8867154
    Abstract: Systems, methods, devices, circuits for data processing, and more particularly to systems and methods for data processing with a linear phase noise predictive filter. A data processing system includes an equalizer circuit operable to filter a digital data input to yield equalized data, a linear phase noise predictive finite impulse response filter operable to filter the equalized data to yield filtered data, and a data detector circuit operable to apply a data detection algorithm to the filtered data to yield a detected output. The greatest tap coefficient for the linear phase noise predictive finite impulse response filter is at a center tap.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: October 21, 2014
    Assignee: LSI Corporation
    Inventors: Lu Lu, Jianzhong Huang, Haitao Xia
  • Publication number: 20140307345
    Abstract: A data processing circuit includes a subtraction circuit operable to subtract an ideal version of a data pattern from a sampled version of a data pattern to yield a difference signal, an error calculation circuit operable to calculate an error between the ideal version of the data pattern and the sampled version of the data pattern based on the difference signal, and a comparator circuit operable to compare the error with a threshold value and operable to assert a track refresh signal if the error is greater than the threshold value. The track refresh signal is operable to trigger a magnetic storage device to refresh data on a data track.
    Type: Application
    Filed: May 2, 2013
    Publication date: October 16, 2014
    Applicant: LSI Corporation
    Inventors: Lu Lu, Haitao Xia, Jianzhong Huang
  • Patent number: 8854760
    Abstract: A data processing circuit includes a subtraction circuit operable to subtract an ideal version of a data pattern from a sampled version of a data pattern to yield a difference signal, an error calculation circuit operable to calculate an error between the ideal version of the data pattern and the sampled version of the data pattern based on the difference signal, and a comparator circuit operable to compare the error with a threshold value and operable to assert a track refresh signal if the error is greater than the threshold value. The track refresh signal is operable to trigger a magnetic storage device to refresh data on a data track.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: October 7, 2014
    Assignee: LSI Corporation
    Inventors: Lu Lu, Haitao Xia, Jianzhong Huang
  • Patent number: 8854756
    Abstract: The present inventions are related to systems and methods for determining contact between two elements, and more particularly to systems and methods for determining contact between a head assembly and a storage medium.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: October 7, 2014
    Assignee: LSI Corporation
    Inventors: Xiufeng Song, Jun Xiao, Jianzhong Huang, Lu Lu
  • Publication number: 20140268400
    Abstract: The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for performing loop feedback in a data processing system.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Applicant: LSI Corporation
    Inventors: Jianzhong Huang, Yu Kou, Haitao Xia, Seongwook Jeong
  • Publication number: 20140198405
    Abstract: Systems and methods for data processing, and more particularly systems and methods for loop processing with variance adaptation.
    Type: Application
    Filed: January 15, 2013
    Publication date: July 17, 2014
    Applicant: LSI CORPORATION
    Inventors: Jianzhong Huang, Haitao Xia, Rui Cao, Lu Pan
  • Patent number: 8765421
    Abstract: A method for producing coenzyme Q10 by using stock culture from solid phase fermentation. The strain used in this method is Rhodobacter sphaeroides. Strain passaging is carried out by culturing in a slant medium. After steam cooking and air drying, solid medium is subpackaged and sterilized, wherein said solid medium includes solid components and liquid components. The fresh culture of Rhodobacter sphaeroides on the slant medium is added with sterile water, and the resultant bacterial suspension is added into the solid medium, cultured and used as stock culture for primary fermentation. The method of the present invention can enhance the fermentation level of coenzyme Q10, reduce the cascades of fermentation, shorten production cycle, simplify production processes, and lower production cost.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: July 1, 2014
    Assignee: Xiamen Kingdomway Group Company
    Inventors: Jinqing Chen, Dajun Chen, Junhuang Chen, Meiqiong Wu, Songgang Su, Jianzhong Huang, Yi Zheng
  • Publication number: 20140099961
    Abstract: Embodiments of the present invention provide a method for optimizing a neighboring cell, a base station, and a system. The method includes: detecting, by the base station corresponding to the second cell, that a terminal in the second cell reports an unidentified physical identifier PCI; and obtaining a global cell identity GCI corresponding to the unidentified PCI, and determining that a cell corresponding to the GCI is an un-configured neighboring cell of the first cell; and sending, by the base station corresponding to the second cell, information about the un-configured neighboring cell to a base station BSS or an operations support system OSS, which is corresponding to the first cell, so that the BSS or OSS obtains the un-configured neighboring cell of the first cell according to the information of the un-configured neighboring cell, and adds the un-configured neighboring cell to a neighboring cell list of the first cell.
    Type: Application
    Filed: December 6, 2013
    Publication date: April 10, 2014
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Rong WAN, Jianzhong HUANG, Yanming CHEN, Lang HE
  • Publication number: 20130330789
    Abstract: A method for producing coenzyme Q10 by using stock culture from solid phase fermentation. The strain used in this method is Rhodobacter sphaeroides. Strain passaging is carried out by culturing in a slant medium. After steam cooking and air drying, solid medium is subpackaged and sterilized, wherein said solid medium includes solid components and liquid components. The fresh culture of Rhodobacter sphaeroides on the slant medium is added with sterile water, and the resultant bacterial suspension is added into the solid medium, cultured and used as stock culture for primary fermentation. The method of the present invention can enhance the fermentation level of coenzyme Q10, reduce the cascades of fermentation, shorten production cycle, simplify production processes, and lower production cost.
    Type: Application
    Filed: April 26, 2011
    Publication date: December 12, 2013
    Applicant: XIAMEN KINGDOMWAY GROUP COMPANY
    Inventors: Jinqing Chen, Dajun Chen, Junhuang Chen, Meiqiong Wu, Songgang Su, Jianzhong Huang, Yi Zheng
  • Patent number: 8175000
    Abstract: A method for measuring a forward load in a sector includes: acquiring the amount of best-effort (BE) service data respectively transferred by each BE service user in a sector in a predetermined period of time; acquiring a time used by each BE service user for transferring BE service data in the predetermined period of time; and calculating a user equivalent rate of the BE service in the sector for the forward load by using the used time and the amount of the BE service data. The measurement apparatus includes a data amount acquiring unit, a time length acquiring unit, and a rate calculating unit. The measurement method and apparatus can measure a forward load of a BE service in a sector accurately.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: May 8, 2012
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Wei Li, Jianzhong Huang
  • Patent number: 7818450
    Abstract: The present invention discloses a method for selecting a real-time service data transmission path, comprising establishing an independent bearer control layer comprising more than one bearer network resource manager between a service control layer and a bearer network. The method further comprises: after a source bearer network resource manager which is connected to the service control layer receives a connection request for a real-time service, orderly selecting and determining, from the source bearer network resource manager towards a destination bearer network resource manager, an intra-domain route path for the real-time service in a management domain corresponding to each bearer network resource manager, and an inter-domain route path between adjacent management domains corresponding to adjacent bearer network resource managers. In addition, the present invention discloses six methods for selecting a real-time service data transmission path based on different strategies.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: October 19, 2010
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yuepeng Chen, Lingyuan Fan, Dengchao Wu, Bo Xu, Bo Xu, Shaoshuai Sui, Jianzhong Huang, Wu Qing
  • Patent number: 7672313
    Abstract: A method for realizing route forwarding in a network, including: establishing LSPs in a bearer network; setting an entrance label in the starting node of each LSP pointing to forwarding information of the LSP; a bearer control entity assigning a transfer path for the service flow and sending the information of all corresponding entrance labels of the transfer path to the ingress edge node of the transfer path; when the service flow needs to be forwarded, the ingress edge node puts the label stack into the data packet of the service flow to generate an MPLS exchange packet; and forwarding the MPLS exchange packet in the bearer network according to the label stack until the packet reaches the egress edge node of the transfer path. The present invention grants high compatibility to the network, minimizes the network investment, and reduces the difficulties in network implementation.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: March 2, 2010
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Wu Qing, Jiandong Ge, Guoping Li, Jianzhong Huang
  • Publication number: 20090268631
    Abstract: A method for measuring a forward load in a sector includes: acquiring the amount of best-effort (BE) service data respectively transferred by each BE service user in a sector in a predetermined period of time; acquiring a time used by each BE service user for transferring BE service data in the predetermined period of time; and calculating a user equivalent rate of the BE service in the sector for the forward load by using the used time and the amount of the BE service data. The measurement apparatus includes a data amount acquiring unit, a time length acquiring unit, and a rate calculating unit. The measurement method and apparatus can measure a forward load of a BE service in a sector accurately.
    Type: Application
    Filed: July 8, 2009
    Publication date: October 29, 2009
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Wei Li, Jianzhong Huang
  • Publication number: 20080161249
    Abstract: The present invention relates to the use of novel antibacterial compounds, and pharmaceutical compositions containing these compounds.
    Type: Application
    Filed: November 17, 2005
    Publication date: July 3, 2008
    Applicant: SMITHKLINE BEECHAM CORPORATION
    Inventor: Jianzhong Huang