Patents by Inventor Truong Minh Tu

Truong Minh Tu 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).

  • Method and apparatus for entering information in a mobile device with special characters
    Patent number: 6868280
    Abstract: A method of changing an alphabetic character to a variant character when entering information or messages in a mobile phone or a game console or the like. The variant character can be a diacritical variation or a tonal variation of the alphabetic character. After an alphabetic character is entered and displayed on a display device, the star key in the keypad can be used to replace the displayed alphabetic character with a desired one of the variants.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: March 15, 2005
    Assignee: Nokia Corporation
    Inventors: Minna-Mari Savolainen, Petri Laukkanen, Truong Minh Tu, Seppo Helle
  • Method and apparatus for entering information in a mobile device with special characters
    Publication number: 20020123367
    Abstract: A method of changing an alphabetic character to a variant character when entering information or messages in a mobile phone or a game console or the like. The variant character can be a diacritical variation or a tonal variation of the alphabetic character. After an alphabetic character is entered and displayed on a display device, the star key in the keypad can be used to replace the displayed alphabetic character with a desired one of the variants.
    Type: Application
    Filed: March 2, 2001
    Publication date: September 5, 2002
    Applicant: Nokia Mobile Phones Ltd.
    Inventors: Minna-Mari Savolainen, Petri Laukkanen, Truong Minh Tu