Patents by Inventor Matthew C. Blackledge

Matthew C. Blackledge 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: 8837954
    Abstract: A system includes a beacon device including a communication strip having a plurality of directed light emitters distributed along the communication strip. The beacon device can transmit a directed light signal via the directed light emitters. The system further includes a tag including a processor, a radio frequency transmitter coupled to the processor, a directed light receiver coupled to the processor, and a lens having first and second major surfaces and a side surface, the tag to receive the directed light signal via the side surface and to transmit a radio frequency tag message via the radio frequency transmitter. The system also includes a radio frequency reader to receive the radio frequency tag message.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: September 16, 2014
    Assignee: RF Code, Inc.
    Inventors: Michael R. Primm, Ronald B. Graczyk, Ryan D. Joy, Matthew C. Blackledge