Patents by Inventor Maeng Won Oh

Maeng Won Oh 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).

  • Letter input structure using morse code and input method of the same
    Patent number: 8629790
    Abstract: A letter input structure of a two-click keyboard adapting a Morse code and an input method of the same, and a recording medium of the method are disclosed. A certain letter is created in selective combination with two keypads among seven keypads consisting of a dot(•) group keypad of a dot(•) keypad, a dot dot(•) keypad and a dot dot dot(•) keypad of a Morse code, a dash(-) group keypad of a dash(-) keypad, a dash dash(- -) keypad, and a dash dash dash (- - -) keypad which are separated and arranged at left and right sides (or upper and lower sides) and one function keypad.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: January 14, 2014
    Inventor: Maeng Won Oh
  • Letter input structure using morse code and input method of the same
    Publication number: 20080258941
    Abstract: A letter input structure of a two-click keyboard adapting a Morse code and an input method of the same, and a recording medium of the method are disclosed. A certain letter is created in selective combination with two keypads among seven keypads consisting of a dot(•) group keypad of a dot(•) keypad, a dot dot(•) keypad and a dot dot dot(•) keypad of a Morse code, a dash(-) group keypad of a dash(-) keypad, a dash dash(- -) keypad, and a dash dash dash (- - -) keypad which are separated and arranged at left and right sides(or upper and lower sides) and one function keypad.
    Type: Application
    Filed: October 31, 2007
    Publication date: October 23, 2008
    Inventor: Maeng Won Oh