Patents by Inventor Link Yu

Link 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: 10262155
    Abstract: Examples are generally directed towards disabling features using a feature toggle associated with an application programming interface (API). A server receives an API request including one or more elements. An element is associated with a set of features. If a feature state of every feature within the set of features is an enabled feature state, the element state is an enabled element state and the request is validated. The validated request is executed and a response to the request is returned to the client. If at least one feature state of at least one feature within the set of features is a disabled feature state or a hidden feature state, the element state is a disabled element state and the request is invalided. The invalidated request is rejected and an error message is returned to the client.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: April 16, 2019
    Assignee: EMC IP Holding Company LLC
    Inventors: Hao Sun, Jim Pendergraft, Jichao Zhang, Link Yu, Wei Wang, Nicholas Wei
  • Patent number: 9934202
    Abstract: Examples are generally directed towards managing paginated data. A server receives a page-to-identifier query from a client. The page-to-identifier query includes an identifier of a selected object instance. The server generates an ordered list of object instances corresponding to at least one ordering criteria paginated into a set of pages. The server identifies a page in the set of pages including the selected instance to form a results page. The results page includes the selected instance. The server returns the results page to the client.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: April 3, 2018
    Assignee: EMC IP Holding Company LLC
    Inventors: Chao Wang, Link Yu, James Pendergraft, Wei Wang
  • Patent number: 7209782
    Abstract: An electrotherapy unit includes a central processor, a digital force modutator connected to and controlled by the central processor, a voltage-increasing transformer, and two conductive pads connected to a secondary coil of the voltage-increasing transformer. The digital force modutator includes two pairs of transistors each having an input side connected to the central processor. The central processor controls conduction/non-conduction of the transistors. A loop for each transistor is connected to the power supply and the primary coil of the voltage-increasing transformer. A diode and a capacitor are connected in parallel between a collector and an emitter of each transistor. The diodes avoid damage to the transistors resulting from an electromotive generated by the primary coil of the voltage-increasing transformer. The capacitors reduce noise signals generated during switching operation of the transistors and the diodes. The capacitors provide bypass for high-frequency noise signals.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: April 24, 2007
    Inventors: Link Yu, Ching-Fwu Suen
  • Publication number: 20060129208
    Abstract: An electrotherapy unit includes a central processor, a digital force modulator connected to and controlled by the central processor, a voltage-increasing transformer, and two conductive pads connected to a secondary coil of the voltage-increasing transformer. The digital force modulator includes two pairs of transistors each having an input side connected to the central processor. The central processor controls conduction/non-conduction of the transistors. A loop for each transistor is connected to the power supply and the primary coil of the voltage-increasing transformer. A diode and a capacitor are connected in parallel between a collector and an emitter of each transistor. The diodes avoid damage to the transistors resulting from an electromotive generated by the primary coil of the voltage-increasing transformer. The capacitors reduce noise signals generated during switching operation of the transistors and the diodes. The capacitors provide bypass for high-frequency noise signals.
    Type: Application
    Filed: December 13, 2004
    Publication date: June 15, 2006
    Inventors: Link Yu, Ching-Fwu Suen
  • Patent number: 7009152
    Abstract: A control device for an electric blanket includes a voltage drop rectifier circuit connected to an AC power source, a control gate circuit, a zero-across detecting circuit connected to the AC power source, a central processing circuit connected to the zero-across detecting circuit, an activating circuit, and a button circuit. The control gate circuit includes a triac electrically connected in series to the AC power source. The activating circuit includes an input connected to the central processing unit and an output connected to the gate of the triac of the control gate circuit. The central processing circuit includes a central processor and outputs signals to control the activating circuit, the control gate circuit, and the heating element such that the heating element is activated when the zero-across detecting circuit detects that a voltage of the AC power source approximates zero and thus sends a signal to the central processing circuit.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: March 7, 2006
    Inventors: Link Yu, Ching-Fwu Suen
  • Publication number: 20060006165
    Abstract: A control device for an electric blanket includes a voltage drop rectifier circuit connected to an AC power source, a control gate circuit, a zero-across detecting circuit connected to the AC power source, a central processing circuit connected to the zero-across detecting circuit, an activating circuit, and a button circuit. The control gate circuit includes a triac electrically connected in series to the AC power source. The activating circuit includes an input connected to the central processing unit and an output connected to the gate of the triac of the control gate circuit. The central processing circuit includes a central processor and outputs signals to control the activating circuit, the control gate circuit, and the heating element such that the heating element is activated when the zero-across detecting circuit detects that a voltage of the AC power source approximates zero and thus sends a signal to the central processing circuit.
    Type: Application
    Filed: July 8, 2004
    Publication date: January 12, 2006
    Inventors: Link Yu, Ching-Fwu Suen