Patents by Inventor Roger D. Kaul

Roger D. Kaul 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).

  • Binary bi-phase shift modulator
    Patent number: 8872595
    Abstract: A binary bi-phase shift modulator having an input piezoelectric transducer and an output piezoelectric transducer connected in series between a radio frequency input and a radio frequency output. A fixed DC pole voltage having a first polarity is connected to one of the transducers. A DC switched pole voltage is connected to the other transducer which switches between the pole voltage of the first polarity and a pole voltage of the opposite polarity in accordance with a binary data signal. The polarity of the radio frequency input relative to the radio frequency output varies as a function of the polarity of the DC switched pole voltage.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: October 28, 2014
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Roger D. Kaul, Jeffrey S. Pulskamp, Ronald G. Polcawich, Sarah Bedair
  • BINARY BI-PHASE SHIFT MODULATOR
    Publication number: 20140070902
    Abstract: A binary bi-phase shift modulator having an input piezoelectric transducer and an output piezoelectric transducer connected in series between a radio frequency input and a radio frequency output. A fixed DC pole voltage having a first polarity is connected to one of the transducers. A DC switched pole voltage is connected to the other transducer which switches between the pole voltage of the first polarity arid a pole voltage of the opposite polarity m accordance with a dinar data signal The polarity of the radio frequency input relative to the radio frequency output varies as a function of the polarity of the DC switched pole voltage.
    Type: Application
    Filed: September 11, 2012
    Publication date: March 13, 2014
    Inventors: Roger D. Kaul, Jeffrey S. Pulskamp, Ronald G. Polcawich, Sarah Bedair