Patents by Inventor Christian J. Loeffelholz

Christian J. Loeffelholz 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).

  • Wireless integrated sensor network using multiple relayed communications
    Patent number: 6208247
    Abstract: Wireless integrated miniature sensing stations which can be organized into a communicating network allow sensitive detection and analysis of vibration, infrared radiation, sound, or other physical signals indicative of an intruder or condition to be monitored over a wide area. The sensing stations operate on low power and include a sensor or sensors, a digital signal processor, a microprocessor, and a wireless transceiver for communication. Network communication is facilitated by multiple relayed transmissions from station to station.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: March 27, 2001
    Assignee: Rockwell Science Center, LLC
    Inventors: Jonathan R. Agre, Loren P. Clare, Henry O. Marcy, 5th, Allen J. Twarowski, William Kaiser, Wilmer A. Mickelson, Michael D. Yakos, Christian J. Loeffelholz, Jonathan R. Engdahl