Patents by Inventor Jia-Qing Han

Jia-Qing Han 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).

  • Portable electronic device having universal earphone jack
    Patent number: 8731208
    Abstract: A portable electronic device includes an earphone jack for receiving an earphone plug, a switch unit and a signal processing unit. The switch unit is connected to the earphone jack and is switchable between a first state and a second state. The signal processing unit is connected to the earphone jack and the switch unit. The signal processing unit is used to identify a type of the earphone plug received in the earphone plug and control the switch unit to switch to either the first state or the second state according to the type of the earphone plug.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: May 20, 2014
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., Chi Mei Communications Systems, Inc.
    Inventor: Jia-Qing Han
  • PORTABLE ELECTRONIC DEVICE HAVING UNIVERSAL EARPHONE JACK
    Publication number: 20120170776
    Abstract: A portable electronic device includes an earphone jack for receiving an earphone plug, a switch unit and a signal processing unit. The switch unit is connected to the earphone jack and is switchable between a first state and a second state. The signal processing unit is connected to the earphone jack and the switch unit. The signal processing unit is used to identify a type of the earphone plug received in the earphone plug and control the switch unit to switch to either the first state or the second state according to the type of the earphone plug.
    Type: Application
    Filed: May 31, 2011
    Publication date: July 5, 2012
    Applicants: CHI MEI COMMUNICATION SYSTEMS, INC., SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventor: JIA-QING HAN
  • Debugging module for electronic device and method thereof
    Patent number: 8024630
    Abstract: A debugging module for connecting an IC to a JTAG debugger device includes a JTAG interface, an earphone circuit, a USB interface, a switching unit, and a reset circuit. The earphone circuit is electrically connected to the JTAG interface via the switching unit. The USB interface and the reset circuit are electrically connected to the JTAG interface. When a JTAG debugger device is connected to the earphone circuit and the USB interface, the earphone circuit and the USB interface, respectively, can establish a connection between the JTAG debugger device and the JTAG interface.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: September 20, 2011
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., Chi Mei Communication Systems, Inc.
    Inventor: Jia-Qing Han
  • DEBUGGING MODULE FOR ELECTRONIC DEVICE AND METHOD THEREOF
    Publication number: 20100299566
    Abstract: A debugging module for connecting an IC to a JTAG debugger device includes a JTAG interface, an earphone circuit, a USB interface, a switching unit, and a reset circuit. The earphone circuit is electrically connected to the JTAG interface via the switching unit. The USB interface and the reset circuit are electrically connected to the JTAG interface. When a JTAG debugger device is connected to the earphone circuit and the USB interface, the earphone circuit and the USB interface, respectively, can establish a connection between the JTAG debugger device and the JTAG interface.
    Type: Application
    Filed: October 13, 2009
    Publication date: November 25, 2010
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: JIA-QING HAN