Patents by Inventor Chang-Hai Chen

Chang-Hai Chen 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).

  • Publication number: 20090167608
    Abstract: A soft plate antenna, wherein the soft plate is provided with a conductive line: one end of the conductive line is electrode contact, the other end being the signal transceiving end. With a specially combined structure, the soft plate and soft circuit can be installed by means of twisted and affixed to the interior shell of a wide variety of electronic products and the plate surface can be provided with double-sided adhesive tapes to affix the plate firmly.
    Type: Application
    Filed: December 31, 2007
    Publication date: July 2, 2009
    Inventor: Chang-Hai Chen
  • Publication number: 20050226768
    Abstract: The present invention provides a new structure for test plates to rapidly siphon and transfer the blood, consisting of an upper plate, a lower plate, and two electrode plates, and the features including: a convex arc-shaped press area located on the front of the upper plate, the said area has a sucking hole on the top for blood suction where can receive drop of blood from fingertip. There are several triangular lattices of air holes built inward and around the external periphery of the sucking hole, so that when a finger is placed on the press area to force air out to release pressure and then the air hole will close immediately thereafter. This device is helpful by sucking the blood with the vacuum principle so as to rapidly siphon and transfer the blood for blood test.
    Type: Application
    Filed: April 12, 2004
    Publication date: October 13, 2005
    Inventors: Chang-Hai Chen, Hui-Tsung Tseng