Patents by Inventor Gerald EZEKWEM

Gerald EZEKWEM 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).

  • Simple stabilization of half-bridge converter over its operating temperatures
    Patent number: 11705824
    Abstract: A half bridge DC-DC converter device includes a primary circuit and a secondary circuit, which include separate windings that are disposed around a magnetic core. The first circuit includes two switches and a drive circuit to turn the two switches on and off in an alternating fashion. The primary circuit further includes two thermal regulating components to regulate the current at the base of the two switches over a range of operating temperatures. The regulation of base current over a range of different operating temperatures results in the half bridge converter device being efficient and maintaining a stable switching frequency over the operational temperature range.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: July 18, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Gerald Ezekwem, Alireza Harrasi
  • SIMPLE STABILIZATION OF HALF-BRIDGE CONVERTER OVER ITS OPERATING TEMPERATURES
    Publication number: 20210391798
    Abstract: A half bridge DC-DC converter device includes a primary circuit and a secondary circuit, which include separate windings that are disposed around a magnetic core. The first circuit includes two switches and a drive circuit to turn the two switches on and off in an alternating fashion. The primary circuit further includes two thermal regulating components to regulate the current at the base of the two switches over a range of operating temperatures. The regulation of base current over a range of different operating temperatures results in the half bridge converter device being efficient and maintaining a stable switching frequency over the operational temperature range.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventors: Gerald EZEKWEM, Alireza HARRASI
  • Simple stabilization of half-bridge converter over its operating temperatures
    Patent number: 11133748
    Abstract: A half bridge DC-DC converter device includes a primary circuit and a secondary circuit, which include separate windings that are disposed around a magnetic core. The first circuit includes two switches and a drive circuit to turn the two switches on and off in an alternating fashion. The primary circuit further includes two thermal regulating components to regulate the current at the base of the two switches over a range of operating temperatures. The regulation of base current over a range of different operating temperatures results in the half bridge converter device being efficient and maintaining a stable switching frequency over the operational temperature range.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: September 28, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Gerald Ezekwem, Alireza Harrasi
  • SIMPLE STABILIZATION OF HALF-BRIDGE CONVERTER OVER ITS OPERATING TEMPERATURES
    Publication number: 20200212808
    Abstract: A half bridge DC-DC converter device includes a primary circuit and a secondary circuit, which include separate windings that are disposed around a magnetic core. The first circuit includes two switches and a drive circuit to turn the two switches on and off in an alternating fashion. The primary circuit further includes two thermal regulating components to regulate the current at the base of the two switches over a range of operating temperatures. The regulation of base current over a range of different operating temperatures results in the half bridge converter device being efficient and maintaining a stable switching frequency over the operational temperature range.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Inventors: Gerald EZEKWEM, Alireza HARRASI