Patents by Inventor Jiaqi Yu

Jiaqi Yu 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: 9292361
    Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for managing application program interface calls. In one aspect, a method includes generating a first API call to an advertising service. The first API call requests first entities corresponding to a campaign management entity. A set of first entities is received in response to the API call. An instruction for a request for second data associated with a particular first entity is processed. A determination is made, in response to the processing, that the second data associated with particular first entity is not stored in the local cache. In response to the determining, the request for second data associated with the particular first entity is expanded to a request for second data associated with each of a multitude of additional first entities in the set of first entities.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: March 22, 2016
    Assignee: Google Inc.
    Inventors: Varouj A. Chitilian, Ilya Netchitailo, Nikhil Bakshi, Jiaqi Yu, Chetan Patel
  • Publication number: 20150179098
    Abstract: A LED driver, a LED driving method and a controller for LED driver are discussed in the present invention. The LED driver detects the phase of the input signal which is phase cut by a triac from a pre-E-transformer. The LED driver regulates the current flowing through the LED strings by varying the phase of the input signal.
    Type: Application
    Filed: December 23, 2014
    Publication date: June 25, 2015
    Inventors: Naixing Kuang, Jiaqi Yu, Yuancheng Ren
  • Publication number: 20140159693
    Abstract: A step-down switching mode power supply having: a Buck converter configured to provide power to a load, wherein the Buck converter has a power switch and an energy storage component; a current sense circuit coupled to the power switch to generate a current sense signal; a square circuit configured to generate a first multiply signal indicating the squared value of the input voltage; a multiply circuit configured to generate a product signal based on the first multiply signal and a second multiply signal; a current comparison circuit configured to generate a current comparison signal based on the current sense signal and the product signal; and a logic circuit configured to control the power switch.
    Type: Application
    Filed: December 10, 2013
    Publication date: June 12, 2014
    Inventors: Naixing Kuang, Bo Yu, Jiaqi Yu, Qiaoan Zuo
  • Publication number: 20140085945
    Abstract: A power supply system has a current source configured to provide an output current, a load supplied by the current source, and a current ripple suppression circuit. The current ripple suppression circuit has a first end and a second end, wherein the first end of the current ripple suppression circuit is coupled to the load, and the second end of the current ripple suppression circuit is coupled to a reference ground; wherein the current ripple suppression circuit is configured to suppress the current ripple in the output current and adaptively adjust the output current of the current source at a predetermined current level.
    Type: Application
    Filed: September 26, 2013
    Publication date: March 27, 2014
    Applicant: Chengdu Monolithic Power Systems Co., Ltd.
    Inventors: Naixing Kuang, Jiaqi Yu, Bo Yu