Patents by Inventor STEPHAN FRETZSCHNER

STEPHAN FRETZSCHNER 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).

  • Patent number: 8497764
    Abstract: A measurement system for finding the position of a primary part of a linear motor with respect to a secondary part includes an absolute value measurement system for recording a first reference position of the primary part with respect to the secondary part, and an incremental measurement system for recording a fine position of the secondary part relative to the first reference position recorded by the absolute measurement system. The absolute value measurement system includes at least one RFID reader and at least one first RFID tag which is identifiable by the RFID reader, with the first RFID tag intended to identify the first reference position.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: July 30, 2013
    Assignee: Siemens Aktiengesellschaft
    Inventors: Roland Finkler, Stephan Fretzschner, Markus Knorr, Joachim Scharnagl, Georg Schlatterer
  • Publication number: 20110221570
    Abstract: A measurement system for finding the position of a primary part of a linear motor with respect to a secondary part includes an absolute value measurement system for recording a first reference position of the primary part with respect to the secondary part, and an incremental measurement system for recording a fine position of the secondary part relative to the first reference position recorded by the absolute measurement system. The absolute value measurement system includes at least one RFID reader and at least one first RFID tag which is identifiable by the RFID reader, with the first RFID tag intended to identify the first reference position.
    Type: Application
    Filed: September 13, 2010
    Publication date: September 15, 2011
    Applicant: Siemens Aktiengesellschaft
    Inventors: ROLAND FINKLER, STEPHAN FRETZSCHNER, MARKUS KNORR, JOACHIM SCHARNAGL, GEORG SCHLATTERER