Patents by Inventor Seng-Tai Lee

Seng-Tai Lee 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).

  • Patent number: 7948475
    Abstract: A key control apparatus for a portable terminal including a first housing with first and second display units and a second housing with first and second key input units is provided. The key control apparatus includes a first key input unit, a second key input unit and a control unit. The first key input unit includes a plurality of touch-sensitive touch keys for implementing given functions, one or more mechanical keys, and a plurality of sensors for sensing the touching of the touch keys and implementing a scroll function. The second key input unit includes a plurality of mechanical keys for implementing given functions or functions corresponding to the keys arranged on the first key input unit. The control unit controls the apparatus so that when a touch key in the first key input unit is touched, a function given to the touch key is implemented.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: May 24, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seng-Tai Lee, Seok-Hyo Park
  • Publication number: 20080117185
    Abstract: A key control apparatus for a portable terminal including a first housing with first and second display units and a second housing with first and second key input units is provided. The key control apparatus allows the functions of the portable terminal to be conveniently implemented. The key control apparatus includes a first key input unit, a second key input unit and a control unit. The first key input unit includes a plurality of touch-sensitive touch keys for implementing given functions, one or more mechanical keys, and a plurality of sensors for sensing the touching of the touch keys and implementing a scroll function. The second key input unit includes a plurality of mechanical keys for implementing given functions or functions corresponding to the keys arranged on the first key input unit. The control unit controls the apparatus so that when a touch key in the first key input unit is touched, a function given to the touch key is implemented.
    Type: Application
    Filed: June 5, 2007
    Publication date: May 22, 2008
    Applicant: Samsung Electronics Co., LTD.
    Inventors: Seng-Tai Lee, Seok-Hyo Park