Patents by Inventor Chi Chow Ka-wah

Chi Chow Ka-wah 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: 6792243
    Abstract: The present invention is directed to a book device corresponding to at least one narrative story, including a spine, at least three pages pivotably connected to the spine, a sound producing apparatus, and a plurality of switch elements which activate the sound producing apparatus to play desired audio segments corresponding to a particular story element. Each of the pages contains illustrative material, such as text and/or pictures, and at least one of the pages is partially transparent, so that illustrative material on subsequent pages is visible to the reader through the transparent portion of the page. In another embodiment, the illustrative material is not affixed to the pages themselves, but takes the form of inserts which may be removed and interchanged, with the book device able to determine which story corresponds to the particular inserts being used and play the desired audio segments corresponding to that story.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: September 14, 2004
    Assignee: VTech Electronics Limited
    Inventors: Chi Chow Ka-wah, Frederick Tsang Lam-tak
  • Publication number: 20020081560
    Abstract: The present invention is directed to a book device corresponding to at least one narrative story, including a spine, at least three pages pivotably connected to the spine, a sound producing apparatus, and a plurality of switch elements which activate the sound producing apparatus to play desired audio segments corresponding to a particular story element. Each of the pages contains illustrative material, such as text and/or pictures, and at least one of the pages is partially transparent, so that illustrative material on subsequent pages is visible to the reader through the transparent portion of the page. In another embodiment, the illustrative material is not affixed to the pages themselves, but takes the form of inserts which may be removed and interchanged, with the book device able to determine which story corresponds to the particular inserts being used and play the desired audio segments corresponding to that story.
    Type: Application
    Filed: December 21, 2000
    Publication date: June 27, 2002
    Inventors: Chi Chow Ka-wah, Frederick Tsang Lam-tak