Patents by Inventor Eduardo Fregoso

Eduardo Fregoso 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).

  • Patent number: 8796879
    Abstract: A two-wire power and communication system is provided, having a decoder that draws a constant amount of current for communication signals despite changes in the voltage on the power and communication wires. In one example, decoders have a constant current sink circuit that includes a shunt regulator that controls a field effect transistor.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: August 5, 2014
    Assignee: The Toro Company
    Inventors: Alex Korol, Eduardo Fregoso
  • Publication number: 20130300189
    Abstract: A two-wire power and communication system is provided, having a decoder that draws a constant amount of current for communication signals despite changes in the voltage on the power and communication wires. In one example, decoders have a constant current sink circuit that includes a shunt regulator that controls a field effect transistor.
    Type: Application
    Filed: July 16, 2013
    Publication date: November 14, 2013
    Inventors: Alex Korol, Eduardo Fregoso
  • Patent number: 8497597
    Abstract: A two-wire power and communication system is provided, having a decoder that draws a constant amount of current for communication signals despite changes in the voltage on the power and communication wires. In one example, decoders have a constant current sink circuit that includes a shunt regulator that controls a field effect transistor.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: July 30, 2013
    Assignee: The Toro Company
    Inventors: Alex Korol, Eduardo Fregoso
  • Publication number: 20130002012
    Abstract: A two-wire power and communication system is provided, having a decoder that draws a constant amount of current for communication signals despite changes in the voltage on the power and communication wires. In one example, decoders have a constant current sink circuit that includes a shunt regulator that controls a field effect transistor.
    Type: Application
    Filed: September 10, 2012
    Publication date: January 3, 2013
    Inventors: Alex Korol, Eduardo Fregoso
  • Patent number: 8274171
    Abstract: A two-wire power and communication system is provided, having a decoder that draws a constant amount of current for communication signals despite changes in the voltage on the power and communication wires. In one example, decoders have a constant current sink circuit that includes a shunt regulator that controls a field effect transistor.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: September 25, 2012
    Assignee: The Toro Company
    Inventors: Alex Korol, Eduardo Fregoso
  • Publication number: 20100268392
    Abstract: A two-wire power and communication system is provided, having a decoder that draws a constant amount of current for communication signals despite changes in the voltage on the power and communication wires. In one example, decoders have a constant current sink circuit that includes a shunt regulator that controls a field effect transistor.
    Type: Application
    Filed: April 20, 2010
    Publication date: October 21, 2010
    Inventors: Alex Korol, Eduardo Fregoso