Patents by Inventor Jian-Ying Liao

Jian-Ying Liao 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).

  • Input device
    Patent number: 6773179
    Abstract: An external input device for a portable computer or personal digital assistant (PDA) has at least one rotatable sideboard. The sideboard operates in two states. When the sideboard is in the first state, the sideboard protects the key sets, and when the sideboard is in a second state, the sideboard facilitates input operation of user.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: August 10, 2004
    Assignee: Darfon Electronics Corp.
    Inventors: Mao-Sung Huang, Chin-Chen Li, Jian-Ying Liao
  • Input apparatus cooperating with electrical device
    Patent number: 6655985
    Abstract: An input apparatus for holding and cooperating with electrical devices such as personal digital assistants (PDAs) having different sizes includes a housing, an input interface, and a cap. The housing includes a front plate, a bottom plate, and two side portions, and the cap is disposed between the two side portions. The cap and housing together form a first space to contain an electrical device with a smaller size when cap is positioned in a top position. Also, the cap may be moved to a bottom position to form a second space for containing an electrical device with a larger size.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: December 2, 2003
    Assignee: Darfon Electronics Corp.
    Inventors: Mao-Sung Huang, Chin-Chen Li, Jian-Ying Liao
  • Input apparatus cooperating with electrical device
    Publication number: 20030045169
    Abstract: An input apparatus for holding and cooperating with electrical devices such as personal digital assistants (PDAs) having different sizes includes a housing, an input interface, and a cap. The housing includes a front plate, a bottom plate, and two side portions, and the cap is disposed between the two side portions. The cap and housing together form a first space to contain an electrical device with a smaller size when cap is positioned in a top position. Also, the cap may be moved to a bottom position to form a second space for containing an electrical device with a larger size.
    Type: Application
    Filed: September 3, 2002
    Publication date: March 6, 2003
    Inventors: Mao-Sung Huang, Chin-Chen Li, Jian-Ying Liao
  • Input device
    Publication number: 20030026638
    Abstract: An external input device for a portable computer or personal digital assistant (PDA) has at least one rotatable sideboard. The sideboard operates in two states. When the sideboard is in the first state, the sideboard protects the key sets, and when the sideboard is in a second state, the sideboard facilitates input operation of user.
    Type: Application
    Filed: August 2, 2002
    Publication date: February 6, 2003
    Inventors: Mao-Sung Huang, Chin-Chen Li, Jian-Ying Liao