Patents by Inventor Ralf Friedrich
Ralf Friedrich 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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Patent number: 11981304Abstract: A multi-circuit, hydraulically open brake system includes a first pressure generator assigned to a main system with a first energy supply and a first evaluation and control unit (ECU), and is connectable via a first shut-off valve to wheel brake(s) of a first brake circuit and via a second shut-off valve to wheel brake(s) of a second brake circuit. A second pressure generator is assigned to a secondary system which includes a second energy supply and a second ECU, and is connectable via a third shut-off valve to wheel brake(s) of the first brake circuit and via a fourth shut-off valve to wheel brake(s) of the second brake circuit. The second ECU controls the second pressure generator. Components of the modulation unit for individual brake pressure modulation are assigned to the main system, and the components are controlled by the first ECU and are supplied by the first energy supply.Type: GrantFiled: April 5, 2019Date of Patent: May 14, 2024Assignee: Robert Bosch GmbHInventors: Thomas Friedrich, Dirk Drotleff, Ralf Kleemann, Daniel Brenndoerfer, Bernd Hienz
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Publication number: 20240132727Abstract: A molecular assembly having a structural formation of amphiphilic molecules is disclosed where the amphiphilic molecules are selected from a group containing amphiphilic molecules which a) have a hydrophobic moiety and a hydrophilic moiety b) are soluble in a polar aprotic solvent and form self-organizing layer structures in the absence of the polar aprotic solvent, and c) orient molecularly in formed layer structures at an interfacial layer, or in an aqueous environment. The amphiphilic molecules in the formed layer structure are in contact with an aqueous environment. A method for coating a solid surface with a molecular assembly is also disclosed, wherein the amphiphilic molecules are dissolved in a polar aprotic solvent, and resulting solution is applied to a solid surface by spin coating.Type: ApplicationFiled: February 23, 2022Publication date: April 25, 2024Applicant: LEIBNIZ-INSTITUT FÜR POLYMERFORSCHUNG DRESDEN E. VInventors: JENS FRIEDRICHS, RALF HELBIG, LARS DAVID RENNER, TILO POMPE, JENS-UWE SOMMER, CARSTEN WERNER
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Patent number: 11460342Abstract: To enable a simple mounting and alignment of an optoelectronic measuring device in its operating position, a fastening system is provided for fastening the optoelectronic measuring device. The fastening system includes a fastening section provided at a surface of a housing of the measuring device. An adjustment adapter has a first element for connection to the fastening section and is provided for the alignment of the measuring device in the operating position. The fastening section rises from the surface of the housing and forms a platform having a groove and a latch cutout at at least one side located perpendicular to the surface of the housing. The first element of the adjustment adapter has a tongue element formed with shape matching the groove and a latching protrusion formed with shape matching the latch cutout. The fastening section and the adjustment adapter are latchinigly connectable to one another without tools.Type: GrantFiled: July 9, 2021Date of Patent: October 4, 2022Assignee: SICK AGInventors: Christof J. Meyer, Ralf Friedrich
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Publication number: 20220011155Abstract: To enable a simple mounting and alignment of an optoelectronic measuring device in its operating position, a fastening system is provided for fastening the optoelectronic measuring device. The fastening system includes a fastening section provided at a surface of a housing of the measuring device. An adjustment adapter has a first element for connection to the fastening section and is provided for the alignment of the measuring device in the operating position. The fastening section rises from the surface of the housing and forms a platform having a groove and a latch cutout at at least one side located perpendicular to the surface of the housing. The first element of the adjustment adapter has a tongue element formed with shape matching the groove and a latching protrusion formed with shape matching the latch cutout. The fastening section and the adjustment adapter are latchinigly connectable to one another without tools.Type: ApplicationFiled: July 9, 2021Publication date: January 13, 2022Inventors: Christof J. MEYER, Ralf FRIEDRICH
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Patent number: 9291303Abstract: A fastening apparatus having a base part (4) for fastening and/or adjusting a light grid housing (1) having a partly round housing cross-section (34) in a housing section at an assembly body (12), wherein the base part (4) has an open receiver (24) for the light grid housing (1), wherein the receiver (24) forms a circular section (30) in cross-section and the circular section (30) has an angle (?) of more than 180 degrees, wherein the receiver (24) of the base part (4) is slightly smaller than the partly round housing cross-section (34) of the housing section, wherein the light grid housing (1) is arranged in the receiver (24) and is held by the receiver (24) by force transmission.Type: GrantFiled: September 4, 2013Date of Patent: March 22, 2016Assignee: SICK AGInventors: Ralf Friedrich, Christof J. Meyer, Christian Klingelhofer
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Publication number: 20140064825Abstract: A fastening apparatus having a base part (4) for fastening and/or adjusting a light grid housing (1) having a partly round housing cross-section (34) in a housing section at an assembly body (12), wherein the base part (4) has an open receiver (24) for the light grid housing (1), wherein the receiver (24) forms a circular section (30) in cross-section and the circular section (30) has an angle (?) of more than 180 degrees, wherein the receiver (24) of the base part (4) is slightly smaller than the partly round housing cross-section (34) of the housing section, wherein the light grid housing (1) is arranged in the receiver (24) and is held by the receiver (24) by force transmission.Type: ApplicationFiled: September 4, 2013Publication date: March 6, 2014Applicant: SICK AGInventors: Ralf FRIEDRICH, Christof J. MEYER, Christian KLINGELHOFER
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Patent number: 8090185Abstract: A method for optical inspection, detection and visualization of defects (9) on wafers (2) is disclosed, wherein at least one camera (5) acquires images of at least one portion (11) of the wafer (2) relative to a reference point (12) of the wafer (2), and the Cartesian coordinates of the image data associated with the at least one portion (11) of the wafer (2) are transformed into polar coordinates.Type: GrantFiled: December 15, 2008Date of Patent: January 3, 2012Assignee: Vistec Semiconductor Systems GmbHInventors: Ralf Friedrich, Daniel Skiera
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Publication number: 20090292390Abstract: An operating device for operating a machine tool has a touch-sensitive contact area and is constructed to generate in response to a contact by an element upon the contact area over a length an output signal in correspondence to the length for controlling a movement of a machine element in a direction of an axis of the machine tool. The operating device is insensitive to particles of dirt, liquids and/or gases which surround the operating device.Type: ApplicationFiled: May 18, 2009Publication date: November 26, 2009Applicant: Siemens AktiengesellschaftInventor: RALF FRIEDRICH
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Patent number: 7623698Abstract: The invention relates to a method of learning a knowledge-based database used in automatic defect classification. According to this method, the user is spared a series of entries as the system carries out an automatic learn mode, which requires a reduced number of user entries.Type: GrantFiled: June 3, 2004Date of Patent: November 24, 2009Assignee: KLA-Tencor MIE GmbHInventors: Dirk Soenksen, Ralf Friedrich, Andreas Draeger, Detlef Schupp, Thin Van Luu, Wolfgang Langer
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Publication number: 20090161097Abstract: A method for optical inspection, detection and visualization of defects (9) on wafers (2) is disclosed, wherein at least one camera (5) acquires images of at least one portion (11) of the wafer (2) relative to a reference point (12) of the wafer (2), and the Cartesian coordinates of the image data associated with the at least one portion (11) of the wafer (2) are transformed into polar coordinates.Type: ApplicationFiled: December 15, 2008Publication date: June 25, 2009Applicant: VISTEC Semiconductor Systems GmbHInventors: Ralf Friedrich, Daniel Skiera
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Publication number: 20090046066Abstract: An operating device for operating a machine tool, a production machine and/or a machine in the form of a robot, includes a screen which is able to simultaneously display a first operating window and a second operating window. A first application for operating the machine can be displayed in the first operating window, and a second application for operating the machine can be displayed in the second operating window. The first application is operated using first operating buttons which are associated with the first operating window, and the second application is operated using second operating buttons which are associated with the second operating window. The first operating buttons are arranged along an individual side or a plurality of sides of the first operating window, and the second operating buttons are arranged along an individual side or a plurality of sides of the second operating window.Type: ApplicationFiled: August 11, 2008Publication date: February 19, 2009Applicant: Siemens AktiengesellschaftInventors: RALF FRIEDRICH, Klaus Hertinger, Uwe Scheuermann
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Publication number: 20080208523Abstract: A method of determining geometric parameters of a wafer (16) is disclosed. For this purpose, the wafer (16) is inserted in a wafer holder (30). The wafer holder (30) is equipped with at least three mechanical contacting elements (22). The wafer is in mechanical contact with the contacting elements (22). The contacting elements (22) are distributed on the wafer holder (30) in such a way that they define a geometric figure which is configured such that the center point (40) of the wafer (16) comes to lie within the geometric figure. The position of each contacting element (22) is determined. Each desired geometric parameter of the wafer (16) is then calculated from the position of the contacting elements (22).Type: ApplicationFiled: February 25, 2008Publication date: August 28, 2008Applicant: VISTEC Semiconductor Systems GmbHInventors: Rene Schenck, Ralf Friedrich, Thomas Iffland, Daniel Skiera
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Publication number: 20080152820Abstract: Peelable polymeric protective films on surfaces, in particular on metallic surfaces, which exhibit an oxygen gradient, and a process for producing such protective films. The films are particularly suitable for providing surfaces with temporary protection.Type: ApplicationFiled: February 24, 2006Publication date: June 26, 2008Applicant: BASF AktiengesellschaftInventors: Helmut Witteler, Ralf Friedrich, Walter Bertkau, Michael Ehle
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Patent number: 7348536Abstract: A light grid which has a housing made from an extruded profile. An electronic component plate is movably insertable into the interior of the housing and carries the optical components of an emitter unit or a receiver unit, respectively. The housing has a support plate and an intermediate web which connect spaced-apart side walls of the profile and include openings. The support plate also has openings into which corresponding optical function elements are inserted. The openings in the intermediate webs serve as apertures. To precisely align the component plate with the optoelectronic components thereon relative to the housing, positioning pins are inserted through openings in the support plate and the intermediate web and which further engage locating holes in the component plate.Type: GrantFiled: September 22, 2005Date of Patent: March 25, 2008Assignee: Sick AGInventors: Guenter Bockel, Ralf Friedrich, Christof Meyer, Martin Wuestefeld
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Publication number: 20060245634Abstract: The invention relates to a method of learning a knowledge-based database used in automatic defect classification. According to this method, the user is spared a series of entries as the system carries out an automatic learn mode, which requires a reduced number of user entries.Type: ApplicationFiled: June 3, 2004Publication date: November 2, 2006Inventors: Dirk Soenksen, Ralf Friedrich, Andreas Draeger, Detlef Schupp, Thin Van Luu, Wolfgang Langer
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Patent number: 7085471Abstract: A strip-like housing of a light grid has two side walls that extend over its entire housing length and that are joined together by cross braces. The cross braces form a honeycomb structure, in which the transmitting and receiving elements of the light grid are installed.Type: GrantFiled: March 10, 2005Date of Patent: August 1, 2006Assignee: Sick AGInventors: Guenter Boeckel, Ralf Friedrich, Christof Meyer, Martin Wuestefeld
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Publication number: 20060068624Abstract: A light grid which has a housing made from an extruded profile. An electronic component plate is movably insertable into the interior of the housing and carries the optical components of an emitter unit or a receiver unit, respectively. The housing has a support plate and an intermediate web which connect spaced-apart side walls of the profile and include openings. The support plate also has openings into which corresponding optical function elements are inserted. The openings in the intermediate webs serve as apertures. To precisely align the component plate with the optoelectronic components thereon relative to the housing, positioning pins are inserted through openings in the support plate and the intermediate web and which further engage locating holes in the component plate.Type: ApplicationFiled: September 22, 2005Publication date: March 30, 2006Applicant: Sick AGInventors: Guenter Boeckel, Ralf Friedrich, Christof Meyer, Martin Wuestefeld
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Patent number: D734193Type: GrantFiled: January 21, 2013Date of Patent: July 14, 2015Assignee: SICK AGInventors: Ralf Friedrich, Christof J. Meyer, Michael Thurnherr
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Patent number: D765529Type: GrantFiled: May 15, 2015Date of Patent: September 6, 2016Assignee: SICK AGInventors: Ralf Friedrich, Christof J. Meyer, Michael Thurnherr
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Patent number: D984913Type: GrantFiled: May 24, 2021Date of Patent: May 2, 2023Assignee: SICK AGInventors: Ralf Friedrich, Ossama Dreibati