Patents by Inventor Ari KATTANINEN

Ari KATTANINEN 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).

  • Safety circuit of an elevator, and method for identifying a functional nonconformance of a safety circuit of an elevator
    Patent number: 9367416
    Abstract: The invention relates to a safety circuit of an elevator and also to a method for identifying a functional nonconformance of the safety circuit of an elevator. In the method a message is formed in node A, a testing field is added to the message for testing the operation of the safety circuit of an elevator, and the aforementioned message containing the testing field is sent from node A to the communications bus in the safety circuit of the elevator.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: June 14, 2016
    Assignee: Kone Corporation
    Inventors: Antti Hovi, Ari Kattaninen, Risto Jokinen
  • SAFETY CIRCUIT OF AN ELEVATOR, AND METHOD FOR IDENTIFYING A FUNCTIONAL NONCONFORMANCE OF A SAFETY CIRCUIT OF AN ELEVATOR
    Publication number: 20140032970
    Abstract: The invention relates to a safety circuit of an elevator and also to a method for identifying a functional nonconformance of the safety circuit of an elevator. In the method a message is formed in node A, a testing field is added to the message for testing the operation of the safety circuit of an elevator, and the aforementioned message containing the testing field is sent from node A to the communications bus in the safety circuit of the elevator.
    Type: Application
    Filed: May 20, 2013
    Publication date: January 30, 2014
    Applicant: KONE CORPORATION
    Inventors: Antti HOVI, Ari KATTANINEN, Risto JOKINEN