Patents by Inventor Johann Streitwieser

Johann Streitwieser 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: 7092108
    Abstract: A method for position determination that includes generating first and second position-dependent scanning signals, transmitting the first and second position-dependent scanning signals from a scanning location via corresponding first and second scanning channels to corresponding first and second storage elements, storing corresponding first and second instantaneous values present at the first and second storage elements at corresponding first and second storage times. Forming a measured position value from the first stored instantaneous value and the second stored instantaneous value. A difference exists between corresponding first and second transit times of the first and second position-dependent scanning signals in the corresponding first and second scanning channels, the difference is compensated by individually delaying the first and second position-dependent scanning signals, so that the stored first and second instantaneous values have appeared at a common time at the scanning location.
    Type: Grant
    Filed: October 13, 2001
    Date of Patent: August 15, 2006
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventors: Jörg Drescher, Mathias Hausschmid, Herbert Huber-Lenk, Herbert Reiter, Johann Streitwieser, Wolfgang Holzapfel
  • Patent number: 6977368
    Abstract: A position measuring system that includes a scale and a scanning device that scans the scale. A light source, which emits a light pulse upon receipt of a request signal and an optical fiber that transmits the light pulse from the light source to the scanning device and for illuminating the scale. At least one photo detector that detects the light pulse affected by the scale as a function of its position.
    Type: Grant
    Filed: October 13, 2001
    Date of Patent: December 20, 2005
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventors: Jörg Drescher, Mathias Hausschmid, Herbert Huber-Lenk, Herbert Reiter, Johann Streitwieser, Wolfgang Holzapfel
  • Patent number: 6912476
    Abstract: A method for position determination in a position measuring device that includes digitizing analog position data from a detector unit within time intervals of an internal clock rate and calculating position data from the digitized data. Determining a period of time ?t between a pulse of the internal clock until an appearance of an external trigger signal and a processing of at least two position data, together with the period of time ?t.
    Type: Grant
    Filed: September 15, 2001
    Date of Patent: June 28, 2005
    Assignee: Johannas Heidenham GmbH
    Inventors: Herbert Huber-Lenk, Jörg Drescher, Mathias Hausschmid, Herbert Reiter, Johann Streitwieser, Wolfgang Holzapfel
  • Publication number: 20040031913
    Abstract: A position measuring system that includes a scale and a scanning device that scans the scale. A light source, which emits a light pulse upon receipt of a request signal and an optical fiber that transmits the light pulse from the light source to the scanning device and for illuminating the scale. At least one photo detector that detects the light pulse affected by the scale as a function of its position.
    Type: Application
    Filed: September 8, 2003
    Publication date: February 19, 2004
    Inventors: Jorg Drescher, Mathias Hausschmid, Herbert Huber-Lenk, Herbert Reiter, Johann Streitwieser, Wolfgang Holzapfel
  • Publication number: 20040026608
    Abstract: A method for position determination that includes generating a first position-dependent scanning signal and a second position-dependent scanning signal, transmitting the first position-dependent scanning signal from a scanning location via a first scanning channel to a first storage element, storing a first instantaneous value present at the first storage elements at a first storage time. Transmitting the second position-dependent scanning signal from the scanning location via a second scanning channel to a second storage element and storing a second instantaneous value present at the second storage elements at a second storage time and forming a measured position value from the first stored instantaneous value and the second stored instantaneous value.
    Type: Application
    Filed: September 8, 2003
    Publication date: February 12, 2004
    Inventors: Jorge Drescher, Mathias Hausschmid, Herbert Huber-Lenk, Herbert Reiter, Johann Streitwieser, Wolfgang Holzapfel
  • Publication number: 20040006443
    Abstract: A method for position determination in a position measuring device that includes digitizing analog position data from a detector unit within time intervals of an internal clock rate and calculating position data from the digitized data. Determining a period of time &Dgr;t between a pulse of said internal clock until an appearance of an external trigger signal and a processing of at least two position data, together with the period of time &Dgr;t.
    Type: Application
    Filed: August 1, 2003
    Publication date: January 8, 2004
    Inventors: Herbert Huber-Lenk, Jorg Drescher, Mathias Hausschmid, Herbert Reiter, Johann Streitwieser, Wolfgang Holzapfel
  • Patent number: 6265992
    Abstract: A position measuring system for the determination of the relative positions of two objects which can be moved with respect to each other, as well as a process for operating the same are disclosed, which in case of a relative movement provides at least one pair of phase-shifted analog incremental signals, and which makes possible a definite variation of the signal periods (SP) by at least one signal period variation factor (n) of the analog incremental signals transmitted to an evaluation unit arranged behind it by a signal period variation unit. The signal period variation unit furthermore comprises correction means for eliminating most varied errors in the output signals (SIN′, COS′). Among these are counted errors possibly resulting during the signal period variation, as well as measurement arrangement-specific errors.
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: July 24, 2001
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventors: Rainer Hagl, Mathias Hausschmid, Erwin Spanner, Jürgen Thiel, Johann Streitwieser
  • Patent number: 6097318
    Abstract: A position measuring system for the determination of the relative positions of two objects which can be moved with respect to each other, as well as a process for operating the same are disclosed, which in case of a relative movement provides at least one pair of phase-shifted analog incremental signals, and which makes possible a definite variation of the signal periods (SP) by at least one signal period variation factor (n) of the analog incremental signals transmitted to an evaluation unit arranged behind it by a signal period variation unit. The signal period variation unit furthermore comprises correction means for eliminating most varied errors in the output signals (SIN', COS'). Among these are counted errors possibly resulting during the signal period variation, as well as measurement arrangement-specific errors.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: August 1, 2000
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventors: Rainer Hagl, Mathias Hausschmid, Erwin Spanner, Jurgen Thiel, Johann Streitwieser