Patents by Inventor Wing-Yig Stephen Chan

Wing-Yig Stephen Chan 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: 6371120
    Abstract: A snore elimination device includes a base having a wrist belt so as to be connected to a user's wrist, and a cover is mounted on the base. A circuit board is received in the base and a power source is connected to the circuit board. A control arrangement is located on the circuit board and includes a sound magnifying circuit which magnifies the snores and sends the magnified snore to a sound transferring circuit which transfers the sound to a control circuit which activates a driving circuit and drives a vibration motor. The user receives the vibration and changes sleep poses.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: April 16, 2002
    Inventors: Kuo-Chung Chiu, Wing-Yig Stephen Chan