Patents by Inventor Robert Steiert

Robert Steiert 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).

  • Tone generation
    Patent number: 9900705
    Abstract: A tone generation system includes a square wave signal generator configured to generate a first series of square wave signals to replicate a fundamental frequency of a desired mechanical tone, and a second series of square waves signals to replicate a second harmonic of the desired mechanical tone. An amplifier is configured to receive the first and second series of square waves, and a speaker is connected to receive an output signal from the amplifier.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: February 20, 2018
    Assignee: Federal Signal Corporation
    Inventors: Scott Cassidy, Lonnie Moravetz, David L. Corey, Robert Steiert
  • TONE GENERATION
    Publication number: 20150208173
    Abstract: A tone generation system includes a square wave signal generator configured to generate a first series of square wave signals to replicate a fundamental frequency of a desired mechanical tone, and a second series of square waves signals to replicate a second harmonic of the desired mechanical tone. An amplifier is configured to receive the first and second series of square waves, and a speaker is connected to receive an output signal from the amplifier.
    Type: Application
    Filed: January 23, 2014
    Publication date: July 23, 2015
    Applicant: Federal Signal Corporation
    Inventors: Scott Cassidy, Lonnie Moravetz, David L. Corey, Robert Steiert