Patents by Inventor Martin ETSARE

Martin ETSARE 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 source interface module with compact EMI filter
    Patent number: 10340788
    Abstract: The invention is directed towards a power source interface module for electronic circuits supplied by power from a power source as well as a power supply arrangement for electronic circuits comprising such a power source interface module. The module comprises a first circuit board carrying components, the first circuit board comprising a number of stacked circuit board layers as well as at least two openings, at least a part of a filter comprising at least one pair of magnetically coupled inductive coils, a core with two core legs, each core leg stretching through a corresponding opening in the circuit board, wherein each coil is wound around a corresponding core leg, the turns of the coils stretch through the circuit board layers, and each layer between an upper outer layer and a lower outer layer comprises at least a part of one turn.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: July 2, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Mattias Andersson, Martin Etsare, Per Ferm, Roger Hoffström, Igor Perez-Uria
  • POWER SOURCE INTERFACE MODULE WITH COMPACT EMI FILTER
    Publication number: 20170294835
    Abstract: The invention is directed towards a power source interface module for electronic circuits supplied by power from a power source as well as a power supply arrangement for electronic circuits comprising such a power source interface module. The module comprises a first circuit board carrying components, the first circuit board comprising a number of stacked circuit board layers as well as at least two openings, at least a part of a filter comprising at least one pair of magnetically coupled inductive coils, a core with two core legs, each core leg stretching through a corresponding opening in the circuit board, wherein each coil is wound around a corresponding core leg, the turns of the coils stretch through the circuit board layers, and each layer between an upper outer layer and a lower outer layer comprises at least a part of one turn.
    Type: Application
    Filed: December 18, 2014
    Publication date: October 12, 2017
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mattias ANDERSSON, Martin ETSARE, Per FERM, Roger HOFFSTRÖM, Igor PEREZ-URIA