Patents by Inventor Young Jae Cha

Young Jae Cha 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).

  • Channel card for extending coverage area of base station
    Patent number: 6647266
    Abstract: There is provided a channel card for extending the coverage area of a base station, which controls GPS reference signals provided to base station modems to extend the coverage area by up to four times a general base station coverage area.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: November 11, 2003
    Assignee: Hyundai Electronics Ind. Co., Ltd.
    Inventors: Hong Koo Kang, Min Young Ahn, Young Jae Cha
  • Channel card for extending coverage area of base station
    Publication number: 20010016498
    Abstract: There is provided a channel card for extending the coverage area of a base station, which controls GPS reference signals provided to base station modems to extend the coverage area by up to four times a general base station coverage area.
    Type: Application
    Filed: February 20, 2001
    Publication date: August 23, 2001
    Applicant: HYUNDAI ELECTRONICS IND. CO., LTD.
    Inventors: Hong Koo Kang, Min Young Ahn, Young Jae Cha