Patents by Inventor Erhard Quast

Erhard Quast 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).

  • Electrooptical coupling device
    Patent number: 7907846
    Abstract: The invention relates to a device for coupling electrical data lines, especially a bus system, to a modular valve station which comprises a plurality of valve modules. The coupling device comprises a coupling module that can be connected to the electrical data lines for converting the electrical signals of the data lines to optical signals, and a transceiver module for data communication with the valve modules which communicates with the electrical coupling module by optical means and can be coupled to the valve module on the input side.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: March 15, 2011
    Assignee: Norgren GmbH
    Inventor: Erhard Quast
  • Electrooptical Coupling Device
    Publication number: 20090226180
    Abstract: The invention relates to a device for coupling electrical data lines, especially a bus system, to a modular valve station which comprises a plurality of valve modules. The coupling device comprises a coupling module that can be connected to the electrical data lines for converting the electrical signals of the data lines to optical signals, and a transceiver module for data communication with the valve modules which communicates with the electrical coupling module by optical means and can be coupled to the valve module on the input side.
    Type: Application
    Filed: April 11, 2006
    Publication date: September 10, 2009
    Inventor: Erhard Quast
  • Electric control system
    Publication number: 20050096756
    Abstract: An electric control system including at least one electric module for the control of at least one electric consumer. The at least one electric module has an arrangement for connection to other electric modules that includes at least one optoelectronic transmitter and receiver. Each electric module has a circuit arrangement for processing and routing the optoelectronic signal and for controlling the electric consumer.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 5, 2005
    Inventors: Erhard Quast, Ulrich Sielemann