Patents by Inventor Chung Kin Lau

Chung Kin Lau 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).

  • Finger-controllable multi-directional switch
    Patent number: 6831238
    Abstract: A finger controllable switching device (10) is provided with at least one connector element (107) for inputing information to the electronic device by connecting and disconnecting an electrical connection to the electronic device. A finger touchable key member (102) is arranged to select a switching position by a planar multi-directional movement of the key member towards triggering means (103) which are arranged to push against at least one connector element to make a connection. An elastic member (101) supports the key member to its rest position and restores the key member to its rest position to disconnect at least one connector element, when the key member is released from the finger's grip.
    Type: Grant
    Filed: January 16, 2004
    Date of Patent: December 14, 2004
    Assignee: Nokia Corporation
    Inventor: Chung Kin Lau