Patents by Inventor Eric Chun-Yip Li

Eric Chun-Yip Li 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).

  • RFID Floor Tags for Machine Localization and Delivery of Visual Information
    Publication number: 20090267741
    Abstract: An RFID system for a portable cleaning machine having RFID reader. Location of the machine within a floor field is achieved by detecting one or more of a plurality of floor-applied RFID tags as the cleaning machine traverses the floor field. Each RFID tag includes a tag carrier including visual indicia providing personnel with instructions or warnings or directions. An operator of the machine may reference the visual indicia of the RFID tag carriers as the machine traverses the floor field.
    Type: Application
    Filed: April 27, 2009
    Publication date: October 29, 2009
    Inventors: Eric Chun-Yip Li, Peter A. Swenson