Patents by Inventor Mark Dean Street

Mark Dean Street 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: 7038589
    Abstract: A portable apparatus to track an object includes a transmitter adapted to sending pulses of known duration and intensity; a receiver having one or more antennas to receive the pulses of known duration and intensity from the transmitter, the receiver and the transmitter having synchronized clocks to determine signal propagation time and distance, and wherein an alarm is generated if the determined distance exceeds a preset value.
    Type: Grant
    Filed: November 3, 2002
    Date of Patent: May 2, 2006
    Inventors: Dominik J. Schmidt, Mark Dean Street
  • Publication number: 20040085209
    Abstract: A portable apparatus to track an object includes a transmitter adapted to sending pulses of known duration and intensity; a receiver having one or more antennas to receive the pulses of known duration and intensity from the transmitter, the receiver and the transmitter having synchronized clocks to determine signal propagation time and distance, and wherein an alarm is generated if the determined distance exceeds a preset value.
    Type: Application
    Filed: November 3, 2002
    Publication date: May 6, 2004
    Inventors: Dominik J. Schmidt, Mark Dean Street