Patents by Inventor Jerald Yoo

Jerald Yoo 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).

  • Apparatus and method for compensating inductance in inductive coupling communications
    Patent number: 8244187
    Abstract: There is provided an inductive coupling transmitting and receiving apparatus. An inductive coupling transmitting and receiving apparatus according to an embodiment of the present invention comprises an inductive coupling transceiver transmitting and/or receiving data; an inductor connected to the inductive coupling transceiver; and a resonance compensator connected to the inductive coupling transceiver and the inductor to compensate for a change in inductance of the inductor.
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: August 14, 2012
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Hoi-Jun Yoo, Jerald Yoo
  • Rectifier Circuit with High Efficiency
    Publication number: 20110002150
    Abstract: Disclosed is a rectifier circuit in order to adaptively reduce a threshold voltage of a diode module constituting the rectifier circuit using an output voltage of the rectifier circuit. A PMOS diode module flowing the forward current from an input terminal to an output terminal comprises: a first PMOS transistor including a source and a drain connected to the input terminal and the output terminal, respectively; a second PMOS transistor including a source connected to the output terminal, and a gate and a drain connected to each other; a switch connecting the gate of the first PMOS transistor to one of the output terminal and the drain of the second PMOS transistor; and a bias resistor including one terminal connected to the gate of the second PMOS transistor and another terminal to which a bias voltage is applied.
    Type: Application
    Filed: November 25, 2009
    Publication date: January 6, 2011
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Hoi-Jun Yoo, Jerald Yoo
  • WEARABLE MONITORING APPARATUS AND DRIVING METHOD THEREOF
    Publication number: 20100298687
    Abstract: Disclosed are a wearable monitoring apparatus and a driving method thereof. The wearable monitoring apparatus comprises: a sensor unit for measuring a biological signal from a human body, wherein the sensor unit is adhered to a skin; and a control unit for searching a location of the sensor unit, supplying power to the sensor unit, and receiving and processing the biological signal from the sensor unit, wherein the control unit is formed to be wearable.
    Type: Application
    Filed: February 8, 2010
    Publication date: November 25, 2010
    Inventors: Hoi-Jun Yoo, Jerald Yoo
  • APPARATUS AND METHOD FOR COMPENSATING INDUCTANCE IN INDUCTIVE COUPLING COMMUNICATIONS
    Publication number: 20090215391
    Abstract: There is provided an inductive coupling transmitting and receiving apparatus. An inductive coupling transmitting and receiving apparatus according to an embodiment of the present invention comprises an inductive coupling transceiver transmitting and/or receiving data; an inductor connected to the inductive coupling transceiver; and a resonance compensator connected to the inductive coupling transceiver and the inductor to compensate for a change in inductance of the inductor.
    Type: Application
    Filed: January 13, 2009
    Publication date: August 27, 2009
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hoi-Jun Yoo, Jerald Yoo