Patents by Inventor Kwon-Sik MIN

Kwon-Sik MIN 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).

  • Antenna device for portable terminal
    Patent number: 8466849
    Abstract: An antenna device for a portable terminal, in which a first radiator is installed within the portable terminal, a second radiator is elongated lengthwise and installed to be retractable into and extendable from the portable terminal, and a switch portion has at least one plate spring and connects a communication circuit portion of the portable terminal selectively to the first radiator or the second radiator. When the second radiator is retracted into the portable terminal, the communication circuit portion is connected to the first radiator through the at least one plate spring, and when the second radiator is extended from the portable terminal, the communication circuit portion is connected to the second radiator through the at least one plate spring.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: June 18, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jun Yoon, Yeong-Moo Ryu, Kwon-Sik Min
  • ANTENNA DEVICE FOR PORTABLE TERMINAL
    Publication number: 20090096708
    Abstract: An antenna device for a portable terminal, in which a first radiator is installed within the portable terminal, a second radiator is elongated lengthwise and installed to be retractable into and extendable from the portable terminal, and a switch portion has at least one plate spring and connects a communication circuit portion of the portable terminal selectively to the first radiator or the second radiator. When the second radiator is retracted into the portable terminal, the communication circuit portion is connected to the first radiator through the at least one plate spring, and when the second radiator is extended from the portable terminal, the communication circuit portion is connected to the second radiator through the at least one plate spring.
    Type: Application
    Filed: October 9, 2008
    Publication date: April 16, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun YOON, Yeong-Moo RYU, Kwon-Sik MIN