Patents by Inventor Boqiang Wu

Boqiang Wu 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: 11204376
    Abstract: A DSP-based electrical energy metering device is provided. After determining a current application mode, a DSP controller compares an execution rate of each computing task with a corresponding preset comparison value, and outputs a first condition value to a condition general register based on a comparison result, so as to control an execution rate of each computing task in the DSP controller. A jump condition controller outputs a second condition value corresponding to the current application mode to the condition general register based on a change in the execution rate of each computing task compared with an execution rate of the computing task in a previous application mode, so that all computing tasks are executed. An adaptive word length controller adjusts an effective bit width of the electrical signal read by a data general register from a data memory at execution rates of different computing tasks.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: December 21, 2021
    Assignee: HANGZHOU VANGO TECHNOLOGIES, INC.
    Inventors: Boqiang Wu, Nick Nianxiong Tan
  • Publication number: 20210318367
    Abstract: A DSP-based electrical energy metering device is provided. After determining a current application mode, a DSP controller compares an execution rate of each computing task with a corresponding preset comparison value, and outputs a first condition value to a condition general register based on a comparison result, so as to control an execution rate of each computing task in the DSP controller. A jump condition controller outputs a second condition value corresponding to the current application mode to the condition general register based on a change in the execution rate of each computing task compared with an execution rate of the computing task in a previous application mode, so that all computing tasks are executed. An adaptive word length controller adjusts an effective bit width of the electrical signal read by a data general register from a data memory at execution rates of different computing tasks.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 14, 2021
    Applicant: Hangzhou Vango Technologies, Inc.
    Inventors: Boqiang Wu, Nick Nianxiong Tan
  • Publication number: 20210088562
    Abstract: A method, an apparatus, and a device for detecting abnormality of an electric signal. The method includes: sampling the electric signal at each of sampling points in unit sampling intervals, to obtain a sampling value; counting abnormal sampling points within each of the unit sampling intervals to acquire a quantity of abnormal points, where each of the abnormal sampling points is one of the sampling points at which the sampling value is out of a threshold range of the electric signal; determining each of the unit sampling intervals, within which the quantity of abnormal points is larger than a quantity-of-abnormal-point threshold, to be an abnormal unit sampling interval; counting the abnormal unit sampling intervals that are consecutive, to acquire a quantity of consecutive abnormal intervals; and determining that the electric signal is abnormal, in response to the quantity of consecutive abnormal intervals being greater than a quantity-of-abnormal-interval threshold.
    Type: Application
    Filed: February 23, 2020
    Publication date: March 25, 2021
    Applicant: Hangzhou Vango Technologies, Inc.
    Inventors: Boqiang WU, NICK NIANXIONG TAN, Changyou MEN
  • Patent number: 10903825
    Abstract: A phase correction circuit, a phase correction method and an electric energy metering device are provided. The phase correction circuit includes a reference voltage circuit and a current correction circuit. The reference voltage circuit includes a first predetermined number of first delay D flip-flops and a first synchronization D flip-flop. The current correction circuit includes a second predetermined number of second delay D flip-flops, a second synchronization D flip-flop and a data selector. The data selector outputs a current signal of one of the second delay D flip-flops to the second synchronization D flip-flop. The second predetermined number is greater than or equal to the first predetermined number. In a case that the second predetermined number is equal to the first predetermined number, each of the second predetermined number and the first predetermined number is greater than 1.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: January 26, 2021
    Assignee: HANGZHOU VANGO TECHNOLOGIES, INC.
    Inventors: Boqiang Wu, Nick Nianxiong Tan, Changyou Men