Patents by Inventor Andreas Rupprecht
Andreas Rupprecht 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: 9833990Abstract: A method for inkjet printing an image onto a curved region of an object surface includes applying a screen of ink drops to the region to create print dots, calculating the screen using a computer and generating and applying ink drops to the region using a print head having nozzles on a nozzle surface. The steps include a) providing data representing the print image, b) providing or calculating data representing the region, c) providing or calculating path data on paths for the print head or object, d) calculating application locations of ink drops using data from steps b) and c), e) calculating data based on tiling the region using data from step d), f) calibrating tone values using data from step e), g) screening the print image using data from step f), and h) printing the screened image onto the region. A device implementing the method is also provided.Type: GrantFiled: February 8, 2017Date of Patent: December 5, 2017Assignee: Heidelberger Druckmaschinen AGInventors: Andreas Rupprecht, Michael Fuener, Tobias Mueller
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Publication number: 20170232733Abstract: A method for inkjet printing an image onto a curved region of an object surface includes applying a screen of ink drops to the region to create print dots, calculating the screen using a computer and generating and applying ink drops to the region using a print head having nozzles on a nozzle surface. The steps include a) providing data representing the print image, b) providing or calculating data representing the region, c) providing or calculating path data on paths for the print head or object, d) calculating application locations of ink drops using data from steps b) and c), e) calculating data based on tiling the region using data from step d), f) calibrating tone values using data from step e), g) screening the print image using data from step f), and h) printing the screened image onto the region. A device implementing the method is also provided.Type: ApplicationFiled: February 8, 2017Publication date: August 17, 2017Inventors: ANDREAS RUPPRECHT, MICHAEL FUENER, TOBIAS MUELLER
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Publication number: 20140079874Abstract: A method for printing fluid layers for producing functional layers for electronic components in a rotary printing machine. The drying time tdry, or the time timm between the printing of the fluid layer in the printing nip of cylinders of the printing machine and the immobilization of the fluid layer, and the time (x·tlev) after which differences in thickness in the fluid layer have subsided after printing to a residual level that is no longer problematic for the functionality of the layer, are adapted to one another. This is effected either by way of technical method-related measures after leaving the printing nip or by suitable setting of the rheology of the fluid to be printed.Type: ApplicationFiled: September 20, 2013Publication date: March 20, 2014Applicant: HEIDELBERGER DRUCKMASCHINEN AGInventors: MICHAELA AGARI, GERARDO HERNANDEZ-SOSA, NORMAN MECHAU, INGO RINGLE, ANDREAS RUPPRECHT
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Patent number: 8514423Abstract: A device for imaging a flat object, for example a paper sheet in a printing machine, includes a light source, preferably an LED row, a lens and an image sensor. An observation angle between the object plane and lens axis is flat, that is to say less than 45°. The light source illuminates the flat object in a first, near region with light of a first wavelength and illuminates the flat object in a second, far region with light of a second wavelength. The first wavelength is shorter than the second wavelength, preferably being blue and red spectral regions. The first region is disposed nearer the image sensor than the second region. The device permits the so-called chromatic aberration of the lens to be utilized to advantageously reduce the tilt angle of the image sensor required by the so-called Scheimpflug condition. A printing machine having the device is also provided.Type: GrantFiled: March 19, 2010Date of Patent: August 20, 2013Assignee: Heidelberger Druckmaschinen AktiengesellschaftInventors: Tobias Müller, Andreas Rupprecht
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Patent number: 8507046Abstract: A method of creating a fluid layer in the micrometer range includes transferring a fluid between substrates and forming a fluid layer. A surface energy of a first substrate releasing the fluid is higher than a surface energy of a fluid on the first substrate to create a first fluid deposit on the first substrate. A surface energy of a second substrate accepting the fluid is lower than a surface energy of a fluid on the second substrate to create a second fluid deposit on the second substrate that is reduced as compared to the first fluid deposit. A surface energy of a third substrate accepting the fluid is higher than a surface energy of a fluid on the third substrate to create a substantially homogeneous third fluid deposit on the third substrate that forms the fluid layer.Type: GrantFiled: March 29, 2011Date of Patent: August 13, 2013Assignee: Heidelberger Druckmaschinen AktiengesellschaftInventors: Michaela Agari, Bernard Beier, Gerald Erik Hauptmann, Gerd Junghans, Ralf Kissel, Andreas Rupprecht, Joachim Sonnenschein
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Publication number: 20110244143Abstract: A method of creating a fluid layer in the micrometer range includes transferring a fluid between substrates and forming a fluid layer. A surface energy of a first substrate releasing the fluid is higher than a surface energy of a fluid on the first substrate to create a first fluid deposit on the first substrate. A surface energy of a second substrate accepting the fluid is lower than a surface energy of a fluid on the second substrate to create a second fluid deposit on the second substrate that is reduced as compared to the first fluid deposit, A surface energy of a third substrate accepting the fluid is higher than a surface energy of a fluid on the third substrate to create a substantially homogeneous third fluid deposit on the third substrate that forms the fluid layer.Type: ApplicationFiled: March 29, 2011Publication date: October 6, 2011Applicant: HEIDELBERGER DRUCKMASCHINEN AKTIENGESELLSCHAFTInventors: Michaela Agari, Bernard Beier, Gerald Erik Hauptmann, Gerd Junghans, Ralf Kissel, Andreas Rupprecht, Joachim Sonnenschein
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Patent number: 7843480Abstract: An image-recording device for generating image spots (210) by n individually controllable light sources (12), which each have a distance si, i being=1 . . . n, to an object line (14), in a projection line (16) of the object line (14) on a printing form (28), which moves with a velocity component v normally to the direction defined by the projection line (16) and tangentially to the surface of the printing form. The image-recording device is distinguished by the triggering device (216) having an assigned time-delay device (222), which delays the tripping instant of the triggering device for each light source (12) as a function of the particular distance si. The image-recording device may advantageously by used in direct imaging print units or printing-form exposure units.Type: GrantFiled: May 15, 2002Date of Patent: November 30, 2010Assignee: Heidelberger Druckmaschinen AGInventors: Uwe Albrecht, Bernard Beier, Uwe Ernst, Peter Goos, Andreas Rupprecht, Bernd Vosseler
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Publication number: 20100245882Abstract: A device for imaging a flat object, for example a paper sheet in a printing machine, includes a light source, preferably an LED row, a lens and an image sensor. An observation angle between the object plane and lens axis is flat, that is to say less than 45°. The light source illuminates the flat object in a first, near region with light of a first wavelength and illuminates the flat object in a second, far region with light of a second wavelength. The first wavelength is shorter than the second wavelength, preferably being blue and red spectral regions. The first region is disposed nearer the image sensor than the second region. The device permits the so-called chromatic aberration of the lens to be utilized to advantageously reduce the tilt angle of the image sensor required by the so-called Scheimpflug condition. A printing machine having the device is also provided.Type: ApplicationFiled: March 19, 2010Publication date: September 30, 2010Applicant: HEIDELBERGER DRUCKMASCHINEN AGInventors: Tobias Müller, Andreas Rupprecht
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Patent number: 6802582Abstract: An inkjet printing system includes a configuration of nozzles, respectively having a nozzle chamber formed with a nozzle opening and provided with a respective piezoelectric element. A control device controls the piezoelectric elements. The control device has at least two signal paths switchable-on individually for each of the nozzles. An inkjet printing process uses at least part of the printing system.Type: GrantFiled: July 15, 2002Date of Patent: October 12, 2004Assignee: Heidelberger Druckmaschinen AGInventors: Andreas Rupprecht, Clemens Rensch
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Patent number: 6675957Abstract: A device for conveying printed products through a printing-related machine includes at least one endless conveyor belt running over deflecting rollers and having at least one printed product resting thereon during a conveying operation, and a rotating frictional element provided for driving the conveyor belt, the frictional element being in contact with the conveyor belt on a side thereof whereon the printed product is transported.Type: GrantFiled: November 2, 2001Date of Patent: January 13, 2004Assignee: Heidelberger Druckmaschinen AGInventors: Martin Greive, Clemens Rensch, Andreas Rupprecht
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Publication number: 20030026176Abstract: An image-recording device for generating image spots (210) by n individually controllable light sources (12), which each have a distance si, i being=1 . . . n, to an object line (14), in a projection line (16) of the object line (14) on a printing form (28), which moves with a velocity component v normally to the direction defined by the projection line (16) and tangentially to the surface of the printing form. The image-recording device is distinguished by the triggering device (216) having an assigned time-delay device (222), which delays the tripping instant of the triggering device for each light source (12) as a function of the particular distance si. The image-recording device may advantageously by used in direct imaging print units or printing-form exposure units.Type: ApplicationFiled: May 15, 2002Publication date: February 6, 2003Applicant: Heidelberger Druckmaschinen AGInventors: Uwe Albrecht, Bernard Beier, Uwe Ernst, Peter Goos, Andreas Rupprecht, Bernd Vosseler
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Publication number: 20030011651Abstract: An inkjet printing system includes a configuration of nozzles, respectively having a nozzle chamber formed with a nozzle opening and provided with a respective piezoelectric element. A control device controls the piezoelectric elements. The control device has at least two signal paths switchable-on individually for each of the nozzles. An inkjet printing process uses at least part of the printing system.Type: ApplicationFiled: July 15, 2002Publication date: January 16, 2003Inventors: Andreas Rupprecht, Clemens Rensch
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Publication number: 20020092735Abstract: A device for conveying printed products through a printing-related machine includes at least one endless conveyor belt running over deflecting rollers and having at least one printed product resting thereon during a conveying operation, and a rotating frictional element provided for driving the conveyor belt, the frictional element being in contact with the conveyor belt on a side thereof whereon the printed product is transported.Type: ApplicationFiled: November 2, 2001Publication date: July 18, 2002Inventors: Martin Greive, Clemens Rensch, Andreas Rupprecht