Patents by Inventor SHAN-HUNG WANG

SHAN-HUNG WANG 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).

  • Power over ethernet powered device circuit and electrostatic discharge protection circuit thereof
    Patent number: 8693152
    Abstract: A Power over Ethernet (PoE) Power Device (PD) circuit and a protection circuit of electrostatic discharge (ESD) thereof are provided. The protection circuit of ESD includes a transient voltage suppressor (TVS) and a high-voltage capacitor, wherein the TVS and the high-voltage capacitor are coupled in series between a negative power terminal and a grounding terminal to reduce system malfunctions or damages when ESD or transient voltage surge occurs.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: April 8, 2014
    Assignee: Wistron Corp.
    Inventors: Lung-Fai Tuen, Shan-Hung Wang, Chiu-Hsien Chang
  • POWER OVER ETHERNET POWERED DEVICE CIRCUIT AND ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT THEREOF
    Publication number: 20130031383
    Abstract: A Power over Ethernet (PoE) Power Device (PD) circuit and a protection circuit of electrostatic discharge (ESD) thereof are provided. The protection circuit of ESD includes a transient voltage suppressor (TVS) and a high-voltage capacitor, wherein the TVS and the high-voltage capacitor are coupled in series between a negative power terminal and a grounding terminal to reduce system malfunctions or damages when ESD or transient voltage surge occurs.
    Type: Application
    Filed: May 29, 2012
    Publication date: January 31, 2013
    Applicant: WISTRON CORP.
    Inventors: LUNG-FAI TUEN, SHAN-HUNG WANG, CHIU-HSIEN CHANG