Patents by Inventor Ricardo Márquez Reyes

Ricardo Márquez Reyes 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).

  • Charging circuit for battery-powered device
    Patent number: 10250059
    Abstract: A charging circuit comprises a power node electrically connectable to a power supply unit, a battery node electrically connectable to a battery, a device node electrically connected to a device load, a reversible buck-boost converter operatively intermediate the power node and the battery node, a first switch operatively intermediate the power node and the device node, a second switch operatively intermediate the battery node and the device node; and logic operatively connected to the first switch, the second switch, and the reversible buck-boost converter. The logic is configured to operate the first switch, the second switch, and the reversible buck-boost converter based on a plurality of different conditions.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: April 2, 2019
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Yazan Aldehayyat, Ricardo Márquez Reyes, Manish K. Shah
  • CHARGING CIRCUIT FOR BATTERY-POWERED DEVICE
    Publication number: 20180083470
    Abstract: A charging circuit comprises a power node electrically connectable to a power supply unit, a battery node electrically connectable to a battery, a device node electrically connected to a device load, a reversible buck-boost converter operatively intermediate the power node and the battery node, a first switch operatively intermediate the power node and the device node, a second switch operatively intermediate the battery node and the device node; and logic operatively connected to the first switch, the second switch, and the reversible buck-boost converter. The logic is configured to operate the first switch, the second switch, and the reversible buck-boost converter based on a plurality of different conditions.
    Type: Application
    Filed: September 19, 2016
    Publication date: March 22, 2018
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Yazan Aldehayyat, Ricardo Márquez Reyes, Manish K. Shah