Patents by Inventor Ip Sing Au

Ip Sing Au 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: 6994556
    Abstract: An apparatus is provided for determining the identification of selected objects for use in connection with an electronic children's toy, which apparatus includes a plurality of objects, each of the objects including several object contact elements, and an identification member, including several member contact elements. The identification member is configured such that at least two of the member contact elements come into electrical contact with at least two of the object contact elements when the identification member is engaged with one of the objects, forming a complete electrical circuit. A processing unit associated with the identification member then is able to uniquely identify the particular object which is engaged with the identification member by means of an electrical signal generated by the processing unit. The processing unit then provides feedback to the user by audio, visual and/or tactile means corresponding to the particular object selected by the user.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: February 7, 2006
    Assignee: VTech Electronics, Ltd.
    Inventor: Ip Sing Au
  • Patent number: 5478268
    Abstract: An electronic educational toy apparatus is provided, in which a plurality of toy articles are suspended from a support, such that an infant may be positioned within reach of the toy articles, and may touch, hit or kick the toy articles whereby each touch, hit or kick of the toy articles triggers an audible presentation to the infant.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: December 26, 1995
    Assignee: Vtech Industries, Inc.
    Inventor: Ip-Sing Au