Patents by Inventor Gerhard Wittmann

Gerhard Wittmann 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).

  • Operating device and communications adapter for outdoor use
    Patent number: 10054302
    Abstract: One aspect of the invention provides a housed operating device for operating lighting means, preferably LEDs, said housing which is preferably sealed against humidity having means for the mechanical positioning and/or mounting of at least one communications adapter, the means being arranged on the housing such that a positioned and/or mounted communications adapter is wirelessly supplied with energy through the housing wall and communicates with an interface inside the housing.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: August 21, 2018
    Assignee: TRIDONIC GMBH & CO KG
    Inventor: Gerhard Wittmann
  • System for monitoring the operation of a current loop
    Patent number: 9778317
    Abstract: In a system for monitoring the operation of a current loop, which is fed by a current source and has a switching element, an evaluation unit is arranged at the output of the current loop, which evaluation unit is designed to identify a state of the switching element on the basis of the current flowing in the current loop. Furthermore, a signal generation device is arranged in the current loop, which signal generation device is connected to the switching element and is designed to generate a dynamic signal characterizing the state of the switching element in the current loop.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: October 3, 2017
    Assignee: ZUMTOBEL LIGHTING GMBH
    Inventor: Gerhard Wittmann
  • Operating Device and Communications Adapter for Outdoor Use
    Publication number: 20160327255
    Abstract: One aspect of the invention provides a housed operating device for operating lighting means, preferably LEDs, said housing which is preferably sealed against humidity having means for the mechanical positioning and/or mounting of at least one communications adapter, the means being arranged on the housing such that a positioned and/or mounted communications adapter is wirelessly supplied with energy through the housing wall and communicates with an interface inside the housing.
    Type: Application
    Filed: January 7, 2015
    Publication date: November 10, 2016
    Applicant: TRIDONIC GMBH & CO KG
    Inventor: Gerhard Wittmann
  • SYSTEM FOR MONITORING THE OPERATION OF A CURRENT LOOP
    Publication number: 20150219719
    Abstract: In a system for monitoring the operation of a current loop, which is fed by a current source and has a switching element, an evaluation unit is arranged at the output of the current loop, which evaluation unit is designed to identify a state of the switching element on the basis of the current flowing in the current loop. Furthermore, a signal generation device is arranged in the current loop, which signal generation device is connected to the switching element and is designed to generate a dynamic signal characterizing the state of the switching element in the current loop.
    Type: Application
    Filed: October 9, 2013
    Publication date: August 6, 2015
    Inventor: Gerhard Wittmann