Patents by Inventor Yongliang Zhang

Yongliang Zhang 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).

  • Dual-mode digital mobile communication terminal enabling CDMA and GSM
    Patent number: 8380243
    Abstract: A dual-mode digital mobile communication terminal enabling Code Division Multiple Access (CDMA) and Global System for Mobile Communications (GSM) is disclosed, in which a processing module functions as a core; both CDMA and GSM wireless modules can be controlled; functions of high performance Bluetooth, camera, and FM receiver, etc. can be expanded; program downloading, debugging information printing and radio calibration, etc.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: February 19, 2013
    Assignee: ZTE Corporation
    Inventors: Yongliang Zhang, Ran Qi, Lei Ma, Fangxi Hou
  • SWITCH MODE POWER SUPPLY AND CONTROL METHOD THEREOF
    Publication number: 20120287682
    Abstract: In one embodiment, a switch mode power supply comprising a switch and a control circuit is disclosed. The control circuit may comprise a multi-function pin configured to receive a first current sampling signal and a first voltage sampling signal. A first comparing signal may be provided by comparing the first voltage sampling signal with a first threshold signal when the switch is turned OFF, and a second comparing signal may be provided by comparing the first current sampling signal with a second threshold signal when the switch is turned ON. The control circuit may be configured to control the switch in accordance with the first comparing signal and the second comparing signal.
    Type: Application
    Filed: May 10, 2012
    Publication date: November 15, 2012
    Applicant: Chengdu Monolithic Power Systems Co., Ltd.
    Inventors: Yongliang Zhang, Xiaoyu Xi, Jiali Cai
  • Dual-mode digital mobile communication terminal enabling CDMA and GSM
    Publication number: 20120231835
    Abstract: A dual-mode digital mobile communication terminal enabling Code Division Multiple Access (CDMA) and Global System for Mobile Communications (GSM) is disclosed, in which a processing module functions as a core; both CDMA and GSM wireless modules can be controlled; functions of high performance Bluetooth, camera, and FM receiver, etc. can be expanded; program downloading, debugging information printing and radio calibration, etc.
    Type: Application
    Filed: April 9, 2010
    Publication date: September 13, 2012
    Applicant: ZTE CORPORATION
    Inventors: Yongliang Zhang, Ran Qi, Lei Ma, Fangxi Hou