Patents by Inventor Chih-Yung Yuan

Chih-Yung Yuan 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).

  • Fork assembly for protection circuit of test system
    Patent number: 8253432
    Abstract: A fork assembly includes a fixed board, a ground portion, a trigger portion, a switch and a resilient element. The ground portion includes a first arm and a second arm located opposite to the first arm, one end of each of the first arm and the second arm is connected to the fixed board, and the other end is free. The trigger portion includes a third arm and a fourth arm located opposite to the third arm, one end of each of the third arm and the fourth arm is connected to the fixed board. The switch is fixed on the other end of the third arm, and includes a normally open contact. The resilient element is configured on the other end of the fourth arm and corresponding to the normally open contact of the switch. The first, second, third and forth arms are conductively and resiliently connected together.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: August 28, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Kwo-Jyr Wong, Chih-Yung Yuan
  • FORK ASSEMBLY FOR PROTECTION CIRCUIT OF TEST SYSTEM
    Publication number: 20110095775
    Abstract: A fork assembly includes a fixed board, a ground portion, a trigger portion, a switch and a resilient element. The ground portion includes a first arm and a second arm located opposite to the first arm, one end of each of the first arm and the second arm is connected to the fixed board, and the other end is free. The trigger portion includes a third arm and a fourth arm located opposite to the third arm, one end of each of the third arm and the fourth arm is connected to the fixed board. The switch is fixed on the other end of the third arm, and includes a normally open contact. The resilient element is configured on the other end of the fourth arm and corresponding to the normally open contact of the switch. The first, second, third and forth arms are conductively and resiliently connected together.
    Type: Application
    Filed: January 20, 2010
    Publication date: April 28, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: KWO-JYR WONG, CHIH-YUNG YUAN