Patents by Inventor Daniel R. Chandler

Daniel R. Chandler 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).

  • Reference current source
    Patent number: 9720435
    Abstract: Systems, methods, and apparatus for generating a reference current. A reference current source can include a current generator circuit; a first resistance circuit that has a positive temperature dependence; and a second resistance circuit that has a negative temperature dependence. The first resistance circuit and the second resistance circuit can be connected in parallel to the current generator circuit.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: August 1, 2017
    Assignee: ADTRAN, Inc.
    Inventors: Daniel M. Joffe, Daniel R. Chandler
  • REFERENCE CURRENT SOURCE
    Publication number: 20170185095
    Abstract: Systems, methods, and apparatus for generating a reference current. A reference current source can include a current generator circuit; a first resistance circuit that has a positive temperature dependence; and a second resistance circuit that has a negative temperature dependence. The first resistance circuit and the second resistance circuit can be connected in parallel to the current generator circuit.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 29, 2017
    Inventors: Daniel M. Joffe, Daniel R. Chandler