Patents by Inventor SU-FENG LI

SU-FENG LI 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).

  • Microstrip band-pass filter having first and second trapezoidal shape coupling portions connected by a connection portion
    Patent number: 10096878
    Abstract: A band-PASS filter disposed on a printed circuit board comprises a first terminal, a second terminal, a first coupling portion, a second coupling portion and a connection portion. The first terminal and the second terminal are used to receive or output electromagnetic signals respectively. The first coupling portion and the second coupling portion are disposed between the first terminal and the second terminal to couple the electromagnetic signals. The connection portion is connected to the first coupling portion and the second coupling portion. The first terminal partly accommodates in a first coupling portion groove. The second terminal partly accommodates in a second coupling portion groove.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: October 9, 2018
    Assignee: Cloud Network Technology Singapore Pte. Ltd.
    Inventors: Ming-Hsien Hsu, Shii-Rong Den, Su-Feng Li
  • BAND-PASS FILTER
    Publication number: 20160353574
    Abstract: A band-PASS filter disposed on a printed circuit board comprises a first terminal, a second terminal, a first coupling portion, a second coupling portion and a connection portion. The first terminal and the second terminal are used to receive or output electromagnetic signals respectively. The first coupling portion and the second coupling portion are disposed between the first terminal and the second terminal to couple the electromagnetic signals. The connection portion is connected to the first coupling portion and the second coupling portion. The first terminal partly accommodates in a first coupling portion groove. The second terminal partly accommodates in a second coupling portion groove.
    Type: Application
    Filed: May 17, 2016
    Publication date: December 1, 2016
    Inventors: MING-HSIEN HSU, SHII-RONG DEN, SU-FENG LI