Patents by Inventor Maciej JURCZAK

Maciej JURCZAK 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).

  • Controlling motor movement
    Patent number: 10742142
    Abstract: It is presented a motor controller configured to control movement of a motor to a mechanical end position. The motor controller comprises: a motor output configured to control an amount of energy being supplied to the motor; a motor input configured to measure a back electromotive force, EMF, voltage over the motor; and a control unit being configured to control the amount of energy being supplied on the motor output based on back EMF measurements from the motor input when the motor output is in a state of not supplying energy to the motor wherein the control unit is configured to detect an end position of the motor based on changes of back EMF measurements.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: August 11, 2020
    Assignee: ASSA ABLOY AB
    Inventors: Tomas Forsberg, Maciej Jurczak, Wojciech Koczwara, Tomasz Piwowarczyk
  • CONTROLLING MOTOR MOVEMENT
    Publication number: 20190379308
    Abstract: It is presented a motor controller configured to control movement of a motor to a mechanical end position. The motor controller comprises: a motor output configured to control an amount of energy being supplied to the motor; a motor input configured to measure a back electromotive force, EMF, voltage over the motor; and a control unit being configured to control the amount of energy being supplied on the motor output based on back EMF measurements from the motor input when the motor output is in a state of not supplying energy to the motor wherein the control unit is configured to detect an end position of the motor based on changes of back EMF measurements.
    Type: Application
    Filed: December 15, 2017
    Publication date: December 12, 2019
    Inventors: Tomas FORSBERG, Maciej JURCZAK, Wojciech KOCZWARA, Tomasz PIWOWARCZYK