Patents by Inventor Maxwell Scott DeHaven

Maxwell Scott DeHaven 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).

  • Power adapter having programmable gain compensation trim
    Patent number: 9385611
    Abstract: A power adapter to supply power at an output. The power adapter has a programmable gain compensation trim function. In some examples, the gain compensation trim function is a negative gain compensation trim function, and the output of plural power adapters are connected together to form a power supply.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: July 5, 2016
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventor: Maxwell Scott DeHaven
  • Power supply with digital feedback signaling
    Patent number: 8908394
    Abstract: Apparatus and methods are provided for use with power supplies. A controller regulates power supply output by way of feedback signaling. Current pulses generated by an electrical load are detected in the feedback signaling and are processed to derive a sequence of digital bits. The digital bits are subjected to validity testing and decoded as digital data. Operations of the power supply are adjusted and requests for information are answered in accordance with the digital data.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: December 9, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Maxwell Scott DeHaven
  • POWER ADAPTER HAVING PROGRAMMABLE GAIN COMPENSATION TRIM
    Publication number: 20130285460
    Abstract: A power adapter to supply power at an output. The power adapter has a programmable gain compensation trim function. In some examples, the gain compensation trim function is a negative gain compensation trim function, and the output of plural power adapters are connected together to form a power supply.
    Type: Application
    Filed: April 27, 2012
    Publication date: October 31, 2013
    Inventor: Maxwell Scott DeHaven
  • POWER SUPPLY WTH DIGITAL FEEDBACK SIGNALING
    Publication number: 20120262956
    Abstract: Apparatus and methods are provided for use with power supplies. A controller regulates power supply output by way of feedback signaling. Current pulses generated by an electrical load are detected in the feedback signaling and are processed to derive a sequence of digital bits. The digital, bits are subjected to validity testing and decoded as digital data. Operations of the power supply are adjusted and requests for information are answered in accordance with the digital data.
    Type: Application
    Filed: April 18, 2011
    Publication date: October 18, 2012
    Inventor: Maxwell Scott DeHaven
  • Identification of integrated circuit
    Patent number: 7960985
    Abstract: An apparatus in an example comprises an integrated circuit and one or more resistors. The integrated circuit comprises an internal current source and an external interface pin. The one or more resistors arc external to the integrated circuit and coupled with the external interface pin of the integrated circuit. Application of current from the internal current source of the integrated circuit to the one or more resistors through the external interface pin serves to generate a voltage that is employed to identify the integrated circuit.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: June 14, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Tuan Wong, John Rossi, Brian E. Robertson, Paul D. Bliley, Maxwell Scott DeHaven
  • Identification Of Integrated Circuit
    Publication number: 20090189592
    Abstract: An apparatus in an example comprises an integrated circuit and one or more resistors. The integrated circuit comprises an internal current source and an external interface pin. The one or more resistors arc external to the integrated circuit and coupled with the external interface pin of the integrated circuit. Application of current from the internal current source of the integrated circuit to the one or more resistors through the external interface pin serves to generate a voltage that is employed to identify the integrated circuit.
    Type: Application
    Filed: October 21, 2008
    Publication date: July 30, 2009
    Inventors: Tuan Wong, John Rossi, Brian E. Robertson, Paul D. Billey, Maxwell Scott DeHaven