Patents by Inventor Norboru Suenaga

Norboru Suenaga 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).

  • Pulsato generating system
    Patent number: 4078466
    Abstract: A pulsato generating system which is composed of a sequentially phase inverting signal generator for producing first, second and third sequentially phase inverting signals based on an input musical signal, a phase rotating signal generator for producing first and second phase rotating signals based on the first, second and third sequentially phase inverting signals and first and second speakers respectively supplied with the first and second phase rotating signals.Another pulsato generating system is disclosed which is composed of the abovesaid sequentially phase inverting signal generator and first, second and third speakers respectively supplied with the first, second and third sequentially phase inverting signals derived from the sequentially phase inverting signal generator.
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: March 14, 1978
    Assignee: Roland Corporation
    Inventors: Norboru Suenaga, Toru Tsurubuchi