Patents by Inventor Wen-Kai Chen

Wen-Kai Chen 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: 5882111
    Abstract: A display device specially used with a dart target for the game of cricket, which has a simplified structure, a reduced volume and a low power consumption, is disclosed. The display device used with a dart target for cricket includes a personal qualification display composed of a plurality sets of luminous elements for illustrating qualification states of scores of respective one of the players, and a prompting display composed of a plurality of luminous elements each of which relates to a corresponding set of the luminous elements of the personal qualification display and a corresponding score for showing the present player that other players have been qualified for specific scores.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: March 16, 1999
    Inventor: Wen-Kai Chen
  • Patent number: 5829755
    Abstract: A dart target with clock and alarm functions comprises a key assembly having a plurality of press buttons for setting time and alarm, at least one display for displaying score and state of the dart target in a game mode and displaying present time in a time mode, a target sensing region composed of a plurality of target areas for indicating different countries and regions, and a microcomputer having a time/alarm/clocking logic circuit for transmitting present time data in the time mode. With this arrangement, the display can automatically display present time when departing from the game mode.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: November 3, 1998
    Inventor: Wen-Kai Chen