Patents by Inventor Tim R. CALLAND

Tim R. CALLAND 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).

  • Managing DC power
    Patent number: 11397455
    Abstract: Examples are disclosed that relate to power supply devices and methods for managing DC power. In one example, a method comprises: providing DC power at a first voltage until determining that a standby time period has elapsed; determining that a load is connected to the power supply device; and based on determining that the standby time period has elapsed, entering a restricted power mode, wherein the restricted power mode comprises either: deactivating the DC power, or (1) providing the DC power at a second voltage until determining that a load detection time period has elapsed, (2) deactivating the DC power after determining that the load detection time period has elapsed, and (3) repeating (1) and (2) until determining that the load is no longer connected to the power supply device.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: July 26, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Chee Kiong Fong, Geoffrey Jason Shew, Gary Alan Tornquist, Edward C. Giaimo, III, Richard F. Johnson, Tim R. Calland
  • MANAGING DC POWER
    Publication number: 20200081510
    Abstract: Examples are disclosed that relate to power supply devices and methods for managing DC power. In one example, a method comprises: providing DC power at a first voltage until determining that a standby time period has elapsed; determining that a load is connected to the power supply device; and based on determining that the standby time period has elapsed, entering a restricted power mode, wherein the restricted power mode comprises either: deactivating the DC power, or (1) providing the DC power at a second voltage until determining that a load detection time period has elapsed, (2) deactivating the DC power after determining that the load detection time period has elapsed, and (3) repeating (1) and (2) until determining that the load is no longer connected to the power supply device.
    Type: Application
    Filed: September 10, 2018
    Publication date: March 12, 2020
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Chee Kiong FONG, Geoffrey Jason SHEW, Gary Alan TORNQUIST, Edward C. GIAIMO, III, Richard F. JOHNSON, Tim R. CALLAND