Patents by Inventor Arnd Langenstein

Arnd Langenstein 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).

  • Publication number: 20180052197
    Abstract: A method for diagnosing an electrical circuit including at least one electrical device, an actuator for the device controlled by a high side actuating switch and a low side actuating switch, and at least one additional switch not in series with any of the HS or LS switch, the method including: to each of the possible statuses of the circuit, giving a code; sequentially putting the circuit in at least some of these statuses for a given time period; during each of these periods, measuring voltage and/or current in different parts of the circuit and giving a code to the measurement; and establishing a diagnosis of correct functioning or of a malfunctioning of at least some elements of the circuit according to a pre-established correlation between the status codes and the measurement codes.
    Type: Application
    Filed: October 16, 2017
    Publication date: February 22, 2018
    Applicant: PLASTIC OMNIUM ADVANCED INNOVATION AND RESEARCH
    Inventors: Francois-Regis LAVENIER, Mircea MATEICA, Gerd MEYERING, Arnd LANGENSTEIN
  • Patent number: 9823293
    Abstract: A method for diagnosing an electrical circuit including at least one electrical device, an actuator for the device controlled by a high side actuating switch and a low side actuating switch, and at least one additional switch not in series with any of the HS or LS switch, the method including: to each of the possible statuses of the circuit, giving a code; sequentially putting the circuit in at least some of these statuses for a given time period; during each of these periods, measuring voltage and/or current in different parts of the circuit and giving a code to the measurement; and establishing a diagnosis of correct functioning or of a malfunctioning of at least some elements of the circuit according to a pre-established correlation between the status codes and the measurement codes.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: November 21, 2017
    Assignee: INERGY AUTOMOTIVE SYSTEMS RESEARCH (Societe Anonyme)
    Inventors: Francois-Regis Lavenier, Mircea Mateica, Gerd Meyering, Arnd Langenstein