Patents by Inventor Mika Purmonen

Mika Purmonen 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).

  • Electronic lock assembly
    Patent number: 11220843
    Abstract: An electronic lock assembly according to the invention includes a capacitor unit for storing secondary power, a test circuit for testing the capacitor unit. The test circuit is arranged to connect a test load to the capacitor unit for testing its condition, and to measure the voltage of the capacitor unit before connecting the test load, slightly after connecting the test load, and slightly before disconnecting the test load.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: January 11, 2022
    Assignee: ABLOY OY
    Inventors: Taneli Harkonen, Mika Purmonen, Markku Makkonen, Esko Strommer
  • ELECTRONIC LOCK ASSEMBLY
    Publication number: 20180340351
    Abstract: An electronic lock assembly according to the invention includes a capacitor unit for storing secondary power, a test circuit for testing the capacitor unit. The test circuit is arranged to connect a test load to the capacitor unit for testing its condition, and to measure the voltage of the capacitor unit before connecting the test load, slightly after connecting the test load, and slightly before disconnecting the test load.
    Type: Application
    Filed: May 23, 2018
    Publication date: November 29, 2018
    Inventors: Taneli HARKONEN, Mika PURMONEN, Markku MAKKONEN, Esko STROMMER
  • Door lock
    Patent number: 8213150
    Abstract: In an embodiment according to the invention, the controller for a solenoid in an electromechanical lock is arranged to generate motion power to move the solenoid plunger and holding power to hold the solenoid plunger in place so that the motion power generated consists of a higher power level and a lower power level that are alternating.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: July 3, 2012
    Assignee: Abloy Oy
    Inventors: Markku Jurvanen, Pasi Kervinen, Mika Purmonen
  • DOOR LOCK
    Publication number: 20100275662
    Abstract: In an embodiment according to the invention, the controller for a solenoid in an electromechanical lock is arranged to generate motion power to move the solenoid plunger and holding power to hold the solenoid plunger in place so that the motion power generated consists of a higher power level and a lower power level that are alternating.
    Type: Application
    Filed: November 6, 2008
    Publication date: November 4, 2010
    Applicant: ABLOY OY
    Inventors: Pasi Kervinen, Markku Jurvanen, Mika Purmonen