Patents by Inventor Stephen Garth Ratten

Stephen Garth Ratten 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 sleep monitoring
    Patent number: 6945935
    Abstract: The present invention provides a method and apparatus for physiological monitoring of a remote subject, the apparatus including: a base station having a transmission means for transmitting a reference signal; and a physiological monitoring probe connectable to the subject, the physiological monitoring probe having: receiver means for receiving the reference signal; monitoring means for monitoring the subject and generating a condition signal containing information related to a condition of the subject; modulation means for modulating the reference signal to produce a modulated reference signal containing the information contained in the condition signal; and passive retransmission means for passively retransmitting the modulated reference signal to the base station; wherein the base station has means for receiving the modulated reference signal, and means for demodulating the modulated reference signal to obtain the information related to a condition of the subject so that a condition of the subject can be mo
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: September 20, 2005
    Inventors: Anthony Corry Sasse, Stephen Garth Ratten, Jeffrey Edmond Hales