Patents by Inventor Kyoun-Sun Cho

Kyoun-Sun Cho 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).

  • Portable telephone with an exchangeable data input apparatus
    Patent number: 6834199
    Abstract: A portable telephone with an exchangeable data input apparatus is provided. The portable telephone includes a bar-type main housing; a holding housing having first and second hinges positioned to face each other, to be protrusive, and to be symmetrical with each other and a sliding surface with a predetermined radius of curvature to be separated from the first and second hinges and attached to and detached from the main housing; and an exchangeable housing having bar-type first and second rotational sub housings with each one side connected to the first and second hinges so that the first and second rotational sub housings are hidden in the main housing when folded in and are in the form of wings protruding from both sides of the main housing when they are unfolded.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: December 21, 2004
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Min Hyun, Seung-Min Park, Ji-Yun Park, Kyoun-Sun Cho, Yong-Jae Kim, Young-Mok Jeon
  • Portable telephone with an exchangeable data input apparatus
    Publication number: 20020132640
    Abstract: A portable telephone with an exchangeable data input apparatus is provided. The portable telephone includes a bar-type main housing; a holding housing having first and second hinges positioned to face each other, to be protrusive, and to be symmetrical with each other and a sliding surface with a predetermined radius of curvature to be separated from the first and second hinges and attached to and detached from the main housing; and an exchangeable housing having bar-type first and second rotational sub housings with each one side connected to the first and second hinges so that the first and second rotational sub housings are hidden in the main housing when folded in and are in the form of wings protruding from both sides of the main housing when they are unfolded.
    Type: Application
    Filed: March 19, 2002
    Publication date: September 19, 2002
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Min Hyun, Seung-Min Park, Ji-Yun Park, Kyoun-Sun Cho, Yong-Jae Kim, Young-Mok Jeon