Patents by Inventor Erich Strasser
Erich Strasser 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).
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Publication number: 20240077337Abstract: A sensing element for an inductive position measuring device includes an excitation track, a receiving track, a substrate made of a metallic material, and a shield layer structure. The shield layer structure includes a first layer that has a dielectric property and a second layer that is electrically conductive. The shield layer structure is arranged between the substrate and the receiving track and/or between the substrate and the excitation track.Type: ApplicationFiled: August 29, 2023Publication date: March 7, 2024Inventors: Martin STERKEL, Jens-Martin GĂ–HRE, Tobias HUBNER, Erich STRASSER, Herbert EDER, Kai HOLLSTEIN, Dominik ENTHOLZNER, Karin JANUSZEWSKI, Robert SIEGEL
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Patent number: 11385050Abstract: A position-measuring device includes a graduation carrier which is non-rotatably connectable to a shaft and has a measuring graduation that is disposed radially about an axis of rotation of the shaft in a mounted state of the graduation carrier. A first scanner is configured to generate position signals by scanning the measuring graduation. A position-processor is configured to process the position signals into absolute, digital position values. An interface is configured to communicate with subsequent electronics. A second scanner is configured to generate measurement signals that are dependent on a position of a machine part by scanning a measurement target on the machine part. An analyzer is configured to process the measurement signals into a measurement value indicative of a position and/or a change in the position of the measurement target relative to the second scanner, and to output the measurement value to the interface.Type: GrantFiled: October 17, 2019Date of Patent: July 12, 2022Assignee: DR. JOHANNES HEIDENHAIN GMBHInventors: Werner Schwaiger, Gregor Rosenegger, Andreas Mitterer, Ludwig Schmidt, Erich Strasser
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Patent number: 11169003Abstract: A scanning unit for determining a relative angular position of an angular scale that is rotatable about an axis relative to the scanning unit includes a circuit board having a first surface and a second surface and evaluation electronics. A detector assembly is disposed in a manner that enables scanning of the angular scale located opposite the first surface of the circuit board. A housing body includes: slots extending circumferentially about the axis; lands in each case extending axially between two of the slots such that the housing body is axially flexible but torsionally and radially rigid; and a bottom disposed axially between the slots and the circuit board.Type: GrantFiled: January 16, 2020Date of Patent: November 9, 2021Assignee: DR. JOHANNES HEIDENHAIN GMBHInventors: Gregor Rosenegger, Andreas Mitterer, Christian Funk, Erich Strasser
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Patent number: 10989569Abstract: A bearingless angular measurement device includes an angle scale, a scanning unit, and an evaluation electronics. The scanning unit and the angle scale are located at a scanning distance relative to each other and are rotatable about an axis, so that the scanning unit is capable of generating angle-dependent output signals, which may be further processed in the evaluation electronics. The scanning distance is able to be determined on the basis of the output signals. In addition, the angular measurement device includes a compensation coupling that is attachable to a machine component and is elastically deformable in the direction of the axis.Type: GrantFiled: February 6, 2019Date of Patent: April 27, 2021Assignee: DR. JOHANNES HEIDENHAIN GmbHInventors: Josef Thaler, Erich Strasser
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Patent number: 10749412Abstract: A position-measuring device includes a graduation carrier which carries a measuring graduation and is non-rotatably connectable to a shaft. A scanner is configured to generate scanning signals by scanning the measuring graduation. Evaluation electronics are configured to process the scanning signals into a digital angle value of the shaft. An interface is configured to communicate with subsequent electronics. The scanner is mountable on a machine part that is supported so as to be movable in an axial direction of the shaft, so that the scanning signals are dependent on a position of the machine part in the axial direction of the shaft, and so that a measure of the position of the machine part in the axial direction of the shaft is determinable from the scanning signals by the evaluation electronics.Type: GrantFiled: November 28, 2017Date of Patent: August 18, 2020Assignee: DR. JOHANNES HEIDENHAIN GMBHInventor: Erich Strasser
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Publication number: 20200232820Abstract: A scanning unit for determining a relative angular position of an angular scale that is rotatable about an axis relative to the scanning unit includes a circuit board and evaluation electronics. A detector assembly is disposed in a manner that enables scanning of the angular scale. A contact carrier encloses electrical contacts for creating a plug-and-socket connection. The contact carrier has an outer wall and is mounted on the circuit board such that the electrical contacts extend in a direction having an axial component. A housing body is provided with an opening having an inner wall. A first elastic element is disposed under radial preload such that the contact carrier is centered with respect to the inner wall of the opening. The circuit board is torsionally rigidly attached to the housing body such that the circuit board is radially spaced therefrom by a first gap.Type: ApplicationFiled: January 16, 2020Publication date: July 23, 2020Inventors: Gregor Rosenegger, Andreas Mitterer, Christian Funk, Erich Strasser
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Publication number: 20200232818Abstract: A scanning unit for determining a relative angular position of an angular scale that is rotatable about an axis relative to the scanning unit includes a circuit board having a first surface and a second surface and evaluation electronics. A detector assembly is disposed in a manner that enables scanning of the angular scale located opposite the first surface of the circuit board. A housing body includes: slots extending circumferentially about the axis; lands in each case extending axially between two of the slots such that the housing body is axially flexible but torsionally and radially rigid; and a bottom disposed axially between the slots and the circuit board.Type: ApplicationFiled: January 16, 2020Publication date: July 23, 2020Inventors: Gregor Rosenegger, Andreas Mitterer, Christian Funk, Erich Strasser
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Publication number: 20200124415Abstract: A position-measuring device includes a graduation carrier which is non-rotatably connectable to a shaft and has a measuring graduation that is disposed radially about an axis of rotation of the shaft in a mounted state of the graduation carrier. A first scanner is configured to generate position signals by scanning the measuring graduation. A position-processor is configured to process the position signals into absolute, digital position values. An interface is configured to communicate with subsequent electronics. A second scanner is configured to generate measurement signals that are dependent on a position of a machine part by scanning a measurement target on the machine part. An analyzer is configured to process the measurement signals into a measurement value indicative of a position and/or a change in the position of the measurement target relative to the second scanner, and to output the measurement value to the interface.Type: ApplicationFiled: October 17, 2019Publication date: April 23, 2020Inventors: Werner Schwaiger, Gregor Rosenegger, Andreas Mitterer, Ludwig Schmidt, Erich Strasser
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Publication number: 20190250012Abstract: A bearingless angular measurement device includes an angle scale, a scanning unit, and an evaluation electronics. The scanning unit and the angle scale are located at a scanning distance relative to each other and are rotatable about an axis, so that the scanning unit is capable of generating angle-dependent output signals, which may be further processed in the evaluation electronics. The scanning distance is able to be determined on the basis of the output signals. In addition, the angular measurement device includes a compensation coupling that is attachable to a machine component and is elastically deformable in the direction of the axis.Type: ApplicationFiled: February 6, 2019Publication date: August 15, 2019Inventors: Josef THALER, Erich STRASSER
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Patent number: 10215792Abstract: A position-measuring device for determining the position of two objects movable relative to each other, which during operation, generates data in the form of measured position values, and which is to be connected to a processing unit via a data-transmission channel in order to transmit data, the position-measuring device being able to be connected to the processing unit via a first pair of lines, or alternatively, via a first pair of lines and at least one further pair of lines. The position-measuring device is assigned a detection unit with which the presence or non-presence of at least one further pair of lines is detectable, when the position-measuring device is connected to the processing unit via the data-transmission channel.Type: GrantFiled: February 4, 2013Date of Patent: February 26, 2019Assignee: DR. JOHANNES HEIDENHAIN GMBHInventor: Erich Strasser
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Publication number: 20180159405Abstract: A position-measuring device includes a graduation carrier which carries a measuring graduation and is non-rotatably connectable to a shaft. A scanner is configured to generate scanning signals by scanning the measuring graduation. Evaluation electronics are configured to process the scanning signals into a digital angle value of the shaft. An interface is configured to communicate with subsequent electronics. The scanner is mountable on a machine part that is supported so as to be movable in an axial direction of the shaft, so that the scanning signals are dependent on a position of the machine part in the axial direction of the shaft, and so that a measure of the position of the machine part in the axial direction of the shaft is determinable from the scanning signals by the evaluation electronics.Type: ApplicationFiled: November 28, 2017Publication date: June 7, 2018Inventor: Erich Strasser
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Patent number: 9627898Abstract: In a device and a method for transmitting energy and data between a control unit and a position-measuring device via a line pair, the energy transmission takes place in a charge mode and the data transmission takes place in a communication mode, and an energy storage device is provided in the position-measuring device, which is able to be charged in the charge mode via the line pair, and which is able to supply energy to the position-measuring device in the communication mode, and a charge unit and a switching device are provided in the control unit. The switching unit is adapted to the charge unit to the line pair in two-pole manner.Type: GrantFiled: April 10, 2013Date of Patent: April 18, 2017Assignee: DR. JOHANNES HEIDENHAIN GMBHInventors: Bernhard Beaury, Hermann Hofbauer, Markus Mooshammer, Erich Strasser, Ernst Thielicke, Sebastian Tondorf
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Patent number: 9140580Abstract: An apparatus for angle measurement that includes a graduation carrier with a code track disposed concentrically to a center point of the graduation carrier. The apparatus includes a first scanning unit having a first interface and a second scanning unit having a second interface, wherein the first and second scanning units ascertain angle values of the graduation carrier by scanning the code track. The apparatus further includes a control unit having: 1) a device interface that is in communication with a follower electronics unit, 2) a control unit interface that is in communication with the first and second interfaces and 3) a processing unit. By which the processing unit, angle values of the first and second scanning units can be requested and processed into a corrected angle value, and the corrected angle value can be transmitted to the follower electronics unit via the device interface.Type: GrantFiled: July 27, 2012Date of Patent: September 22, 2015Assignee: DR. JOHANNES HEIDENHAIN GMBHInventors: Steffen Bielski, Erich Strasser, Stephan Kreuzer, Alexander Kobler, Darko Perusin, Elmar Mayer
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Patent number: 8618466Abstract: A position-measuring device for measuring linear and/or angular positions includes a first measuring standard that has a first code track, with the aid of which consecutive position regions are cyclically measurable, and at least two multiturn code disks having second code tracks, via whose angular positions the currently measured position region of the first code track may be determined. The first measuring standard and the multiturn code disks are positioned such that the first code track and the second code tracks are scannable by a common scanning unit, through a first scanning window and second scanning windows, respectively.Type: GrantFiled: September 29, 2006Date of Patent: December 31, 2013Assignee: Dr. Johannes Heidenhain GmbHInventors: Joern Ehrenberg, Herman Meyer, Erich Strasser
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Publication number: 20130265000Abstract: In a device and a method for transmitting energy and data between a control unit and a position-measuring device via a line pair, the energy transmission takes place in a charge mode and the data transmission takes place in a communication mode, and an energy storage device is provided in the position-measuring device, which is able to be charged in the charge mode via the line pair, and which is able to supply energy to the position-measuring device in the communication mode, and a charge unit and a switching device are provided in the control unit. The switching unit is adapted to the charge unit to the line pair in two-pole manner.Type: ApplicationFiled: April 10, 2013Publication date: October 10, 2013Applicant: Dr. Johannes Heidenhain GmbHInventors: Bernhard Beaury, Hermann Hofbauer, Markus Mooshammer, Erich Strasser, Ernst Thielicke, Sebastian Tondorf
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Patent number: 8520705Abstract: In a device and a method for serial data transmission between a position-measuring device and a control unit, made up of an interface unit on the control side and an interface unit on the measuring-device side, which are connected to each other for the transmission of serial data packets with the aid of a bidirectional data channel, the interface unit on the control side includes a control-side transmitter unit for transmitting serial data packets via the data channel to a measuring-device-side receiver unit disposed in the interface unit on the measuring-device side. The interface unit on the measuring-device side includes a measuring-device-side transmitter unit for transmitting serial data packets via the data channel to a control-side receiver unit disposed in the interface unit on the control side.Type: GrantFiled: March 25, 2009Date of Patent: August 27, 2013Assignee: Dr. Johannes Heidenhain GmbHInventors: Bernhard Beaury, Heik H. Hellmich, Erich Strasser
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Publication number: 20130030756Abstract: An apparatus for angle measurement that includes a graduation carrier with a code track disposed concentrically to a center point of the graduation carrier. The apparatus includes a first scanning unit having a first interface and a second scanning unit having a second interface, wherein the first and second scanning units ascertain angle values of the graduation carrier by scanning the code track. The apparatus further includes a control unit having: 1) a device interface that is in communication with a follower electronics unit, 2) a control unit interface that is in communication with the first and second interfaces and 3) a processing unit. By which the processing unit, angle values of the first and second scanning units can be requested and processed into a corrected angle value, and the corrected angle value can be transmitted to the follower electronics unit via the device interface.Type: ApplicationFiled: July 27, 2012Publication date: January 31, 2013Inventors: Steffen Bielski, Erich Strasser, Stephan Kreuzer, Alexander Kobler, Darko Perusin, Elmar Mayer
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Patent number: 8154427Abstract: A multiturn rotary encoder includes: a single-turn unit, including a code carrier and a single-turn evaluation unit for processing single-turn position signals to form a single-turn code word; a first multiturn unit, including at least one first multiturn code carrier and a first multiturn evaluation unit for processing first multiturn position signals to form a first multiturn code word that indicates the number of revolutions covered by input shaft; and a second multiturn unit, including at least one second multiturn code carrier and a second multiturn evaluation unit for processing second multiturn position signals to form a second multiturn code word that likewise indicates the number of revolutions covered by the input shaft. The functioning of the multiturn units is ascertainable by the multiturn code words generated independently of each other.Type: GrantFiled: August 30, 2010Date of Patent: April 10, 2012Assignee: Dr. Johannes Heidenhain GmbHInventors: Elmar Mayer, Erich Strasser, Hermann Hofbauer
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Publication number: 20110116501Abstract: In a device and a method for serial data transmission between a position-measuring device and a control unit, made up of an interface unit on the control side and an interface unit on the measuring-device side, which are connected to each other for the transmission of serial data packets with the aid of a bidirectional data channel, the interface unit on the control side includes a control-side transmitter unit for transmitting serial data packets via the data channel to a measuring-device-side receiver unit disposed in the interface unit on the measuring-device side. The interface unit on the measuring-device side includes a measuring-device-side transmitter unit for transmitting serial data packets via the data channel to a control-side receiver unit disposed in the interface unit on the control side.Type: ApplicationFiled: March 25, 2009Publication date: May 19, 2011Inventors: Bernhard Beaury, Heik H. Hellmich, Erich Strasser
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Publication number: 20110063145Abstract: A multiturn rotary encoder includes: a single-turn unit, including a code carrier and a single-turn evaluation unit for processing single-turn position signals to form a single-turn code word; a first multiturn unit, including at least one first multiturn code carrier and a first multiturn evaluation unit for processing first multiturn position signals to form a first multiturn code word that indicates the number of revolutions covered by input shaft; and a second multiturn unit, including at least one second multiturn code carrier and a second multiturn evaluation unit for processing second multiturn position signals to form a second multiturn code word that likewise indicates the number of revolutions covered by the input shaft. The functioning of the multiturn units is ascertainable by the multiturn code words generated independently of each other.Type: ApplicationFiled: August 30, 2010Publication date: March 17, 2011Inventors: Elmar Mayer, Erich Strasser, Hermann Hofbauer