Patents by Inventor Bernd Ludewig
Bernd Ludewig 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: 11110852Abstract: A device for producing an output light emission having a light source for emitting light and a first polarizing beam splitter element positioned so at least one portion of the emitted light is incident thereupon, wherein a first reflected light beam of a first polarization state and a second transmitted light beam of a second polarization state are produced. The device also includes a first liquid crystal element having at least two states which are actuated using a control unit. The first liquid crystal element at least partially reflects the first light beam, wherein the polarization state of the first light beam is altered based on the state of the first liquid crystal element. The first polarizing beam splitter element is positioned so the first light beam is incident thereupon after reflection at the first liquid crystal element.Type: GrantFiled: May 4, 2018Date of Patent: September 7, 2021Inventors: Joscha Roth, Heiko Schröder, Sebastian Thomschke, Helge Neuner, Daniel Dias, Michael Schneider, Ralf Mayer, Bernd Ludewig
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Publication number: 20200164788Abstract: A device for producing an output light emission having a light source for emitting light and a first polarizing beam splitter element positioned so at least one portion of the emitted light is incident thereupon, wherein a first reflected light beam of a first polarization state and a second transmitted light beam of a second polarization state are produced. The device also includes a first liquid crystal element having at least two states which are actuated using a control unit. The first liquid crystal element at least partially reflects the first light beam, wherein the polarization state of the first light beam is altered based on the state of the first liquid crystal element. The first polarizing beam splitter element is positioned so the first light beam is incident thereupon after reflection at the first liquid crystal element.Type: ApplicationFiled: May 4, 2018Publication date: May 28, 2020Inventors: Joscha ROTH, Heiko SCHRÖDER, Sebastian THOMSCHKE, Helge NEUNER, Daniel DIAS, Michael SCHNEIDER, Ralf MAYER, Bernd LUDEWIG
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Patent number: 9784969Abstract: A head-up display includes at least three light sources, each one arranged to emit light with a basic color different from the basic color of the other light sources, a digital micro mirror device including an array of micro mirrors, wherein the light of the light sources is directed onto the digital micro mirror device, at least one combiner for displaying an image, and at least one control unit for multiplexing the light sources so as to sequentially emit light thus creating a field sequential color system and for controlling the digital micro mirror device so as to selectively rotate the micro mirrors between an on state, where the light from the light sources is reflected into an optical path towards the combiner, and an off state, where the light is reflected away from that optical path. A method for operating the head-up display is also disclosed.Type: GrantFiled: July 24, 2013Date of Patent: October 10, 2017Assignee: Johnson Controls Automotive Electronics SASInventors: Sebastien Hervy, Jean-Christophe Joly-Vuillemin, Bernd Ludewig, Ralf Mayer, Patrick Nebout
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Patent number: 9541758Abstract: The present invention relates to a display, in particular Head-Up-Display of a vehicle, comprising an image forming unit for generating an image, an illumination means for illuminating the image forming unit and a deflecting unit for providing a user with a virtual image of the image generated by the image forming unit, wherein the image forming unit comprises a reflective LCoS—(Liquid Crystal on Silicon) display and the deflecting unit comprises a partially transmissive combiner.Type: GrantFiled: March 28, 2011Date of Patent: January 10, 2017Inventors: Bernd Ludewig, Sebastien Hervy
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Patent number: 9470892Abstract: A head-up display has a screen, a cover for the screen, and a gear mechanism for simultaneously pivoting the screen and the cover around a pivot axis between a first end position and a second end position and concurrently shifting the cover relatively to the screen in such a way that the cover uncovers the screen in the first end position and completely covers the screen in the second end position.Type: GrantFiled: June 29, 2012Date of Patent: October 18, 2016Assignee: Johnson Controls Technology CompanyInventors: Werner Killguss, Sebastien Hervy, Ralf Mayer, Bernd Ludewig
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Publication number: 20150362727Abstract: A combiner element for a head up display (HUD) system includes: a glass pane, a further glass pane, and a safety foil, the glass pane having a first main plane of extension, a first main surface and a second main surface, the second main surface being positioned opposite of the first main surface of the glass pane, the further glass pane having a second main plane of extension, a third main surface and a fourth main surface, the fourth main surface being positioned opposite of the third main surface of the further glass pane, and the safety foil being positioned between the first main plane of extension and the second main plane of extension such that the safety foil is positioned on the second main surface of the glass pane and on the third main surface of the further glass pane.Type: ApplicationFiled: January 15, 2014Publication date: December 17, 2015Inventors: Sebastien HERVY, Bernd LUDEWIG, Ralf MAYER, Jean-Christophe JOLY-VUILLEMIN
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Patent number: 9168833Abstract: An indicating instrument has a pointer rotatable about a pointer axle. A coupling part, a pointer vane and at least one pointer section are arranged between the pointer and the axle. Between the pointer coupling part and the pointer vane at least one pointer section is held in a base structure.Type: GrantFiled: October 13, 2010Date of Patent: October 27, 2015Inventors: Bernd Ludewig, Jean-Yves Daurelle
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Publication number: 20150212320Abstract: A head-up display includes at least three light sources, each one arranged to emit light with a basic color different from the basic color of the other light sources, a digital micro mirror device including an array of micro mirrors, wherein the light of the light sources is directed onto the digital micro minor device, at least one combiner for displaying an image, and at least one control unit for multiplexing the light sources so as to sequentially emit light thus creating a field sequential color system and for controlling the digital micro mirror device so as to selectively rotate the micro mirrors between an on state, where the light from the light sources is reflected into an optical path towards the combiner, and an off state, where the light is reflected away from that optical path. A method for operating the head-up display is also disclosed.Type: ApplicationFiled: July 24, 2013Publication date: July 30, 2015Applicant: Johnson Controls Automotive Electronics SASInventors: Sebastien Hervy, Jean-Christophe Joly-Vuillemin, Bernd Ludewig, Ralf Mayer, Patrick Nebout
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Publication number: 20140225811Abstract: A head-up display has a screen, a cover for the screen, and a gear mechanism for simultaneously pivoting the screen and the cover around a pivot axis between a first end position and a second end position and concurrently shifting the cover relatively to the screen in such a way that the cover uncovers the screen in the first end position and completely covers the screen in the second end position.Type: ApplicationFiled: June 29, 2012Publication date: August 14, 2014Inventors: Werner Killguss, Sebastien Hervy, Ralf Mayer, Bernd Ludewig
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Publication number: 20130182197Abstract: The present invention relates to a display, in particular Head-Up-Display of a vehicle, comprising an image forming unit for generating an image, an illumination means for illuminating the image forming unit and a deflecting unit for providing a user with a virtual image of the image generated by the image forming unit, wherein the image forming unit comprises a reflective LCoS—(Liquid Crystal on Silicon) display and the deflecting unit comprises a partially transmissive combiner.Type: ApplicationFiled: March 28, 2011Publication date: July 18, 2013Applicant: Johnson Controls GMNBHInventors: Bernd Ludewig, Sebastien Hervy
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Publication number: 20130076498Abstract: A display device for a motor vehicle is proposed, wherein the display device has a first display area and a second display area, wherein the first display area is provided by way of a first display in the central area of a dial, wherein the second display area is designed so as to display a display information in an electroless manner.Type: ApplicationFiled: February 18, 2010Publication date: March 28, 2013Applicant: Johnson Control Technology CompanyInventors: Manfred Suess, Nicolas Mehl, Isabel Hoffmann, Bernd Ludewig
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Publication number: 20120264102Abstract: An indicating instrument has a pointer rotatable about a pointer axle. A coupling part, a pointer vane and at least one pointer section are arranged between the pointer and the axle. Between the pointer coupling part and the pointer vane at least one pointer section is held in a base structure.Type: ApplicationFiled: October 13, 2010Publication date: October 18, 2012Applicant: Johnson Controls Automotive Electronics GmbHInventors: Bernd Ludewig, Jean-Yves Daurelle
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Patent number: 7982688Abstract: The invention relates to a device for representing optical information by means of a virtual image (P), in particular in a motor vehicle. The optical information is in the form of light beams extending from an image generating device (1), over at least one optical element to a surface and the virtual image is visible in front of, behind or in said surface. The light beams produce a beam path. Said invention is characterised in that an optical element (4), which influences beams, is arranged in the beam path between the image generating device (1, 2, 3) and the surface (WS), and that the optical element (4), which influences the beams, is arranged in the position thereof such that it can be modified by means of an adjusting device (5).Type: GrantFiled: October 12, 2005Date of Patent: July 19, 2011Assignee: Simens AktiengesellschaftInventors: Britta Lind, Bernd Ludewig, Ralf Mayer
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Publication number: 20080218870Abstract: The invention relates to a head-up-display (1) comprising an image generating unit (13, 7, 8) and at least one mirror (9, 10) which is arranged in the beam path (2) downstream from the image generating unit (13; 7, 8). Traditional head-up-displays (1) require an expensive adjusting element by taking into account the individual geometry of the built-in windscreen (WS) for good image quality. According to the invention, the mirror (9, 10) is embodied in such a manner that it can be deformed by adjusting elements (15, 16) in order to facilitate the control thereof.Type: ApplicationFiled: December 9, 2005Publication date: September 11, 2008Applicant: Siemens VDO Automotive AGInventors: Britta Lind, Bernd Ludewig, Ralf Mayer
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Publication number: 20080068296Abstract: The invention relates to a device for representing optical information by means of a virtual image (P), in particular in a motor vehicle. The optical information is in the form of light beams extending from an image generating device (1), over at least one optical element to a surface and the virtual image is visible in front of, behind or in said surface. The light beams produce a beam path. Said invention is characterised in that an optical element (4), which influences beams, is arranged in the beam path between the image generating device (1, 2, 3) and the surface (WS), and that the optical element (4), which influences the beams, is arranged in the position thereof such that it can be modified by means of an adjusting device (5).Type: ApplicationFiled: October 12, 2005Publication date: March 20, 2008Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Britta Lind, Bernd Ludewig, Ralf Mayer
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Patent number: 7312927Abstract: A straw holder for supporting a drinking straw in the mouth of a bottle is presented. The holder includes a straw support portion dimensioned for placement across the mouth of a bottle. The straw support portion includes an aperture designed to receive a straw therethrough and to vertically support the straw with respect to the support portion. The holder further includes a bottle retaining portion that includes at least one turn extending around the retaining portion. The at least one turn includes a first turn having an end attached to the straw support portion.Type: GrantFiled: September 1, 2003Date of Patent: December 25, 2007Assignees: Siemens Aktiengesellschaft, Osram Opto Semiconductors GmbHInventors: Georg Bogner, Herbert Breinich, Bernd Ludewig, Ralf Mayer, Heinrich Noll, Jörg-Erich Sorg
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Patent number: 7128431Abstract: The invention relates to a display device, especially in a motor vehicle, comprising a display (2) which can be illuminated by a light source (1), and a light guide (7) which is arranged between the light source (1) and the display (2). Said light source (1) comprises a plurality of individual light sources (10), the entire light-radiating surface of said light sources being larger than the surface of the display (2). In order to increase the light efficiency, the light guide (7) comprises, on the light source side, individual light guiding sections (12) which are associated with the individual light sources (10), said sections forming a common light guiding section (13) on the display side.Type: GrantFiled: October 1, 2002Date of Patent: October 31, 2006Assignee: Siemens AktiengesellschaftInventors: Bernd Ludewig, Ralf Mayer, Heinrich Noll
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Publication number: 20060007553Abstract: The invention relates to a device for producing a bundled light flux. According to the invention, a light source consisting of a light emitting diode matrix (1, 2, 3) is provided, an optical device for bundling and scattering the light produced by the light-emitting diodes is arranged between the light source and a light outlet (9, 18), the device for bundling and scattering comprises a latticed reflector (5) which respectively forms a light channel for each matrix point, the walls (6) of said light channel being reflective, and the end of each light channel, facing the light source (1, 2, 3), contains a convergent lens (4).Type: ApplicationFiled: September 1, 2003Publication date: January 12, 2006Inventors: Georg Bogner, Herbert Breinich, Bernd Ludewig, Ralf Mayer, Heinrich Noll, Jorg-Erich Sorg
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Publication number: 20040262053Abstract: The invention relates to a display device, especially in a motor vehicle, comprising a display (2) which can be illuminated by a light source (1), and a light guide (7) which is arranged between the light source (1) and the display (2). Said light source (1) comprises a plurality of individual light sources (10), the entire light-radiating surface of said light sources being larger than the surface of the display (2). In order to increase the light efficiency, the light guide (7) comprises, on the light source side, individual light guiding sections (12) which are associated with the individual light sources (10), said sections forming a common light guiding section (13) on the display side.Type: ApplicationFiled: April 8, 2004Publication date: December 30, 2004Inventors: Bernd Ludewig, Ralf Mayer, Heinrich Noll
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Patent number: 6636277Abstract: A head-up display for vehicles, in which information from a display device is projected onto a transparent projection area, the display device has two transparent screens between which a liquid crystal substance and electrodes are arranged, polarized light penetrating through the liquid crystal substance, the liquid crystal substance rotating the polarized light penetrating through the liquid crystal substance in a plane of polarization in a manner dependent on the driving of the electrodes with a voltage. The polarized light emerging form the liquid crystal substance is not sent through a polarizer, but rather is polarized by the reflection at the transparent projection area or at one or more other reflectors which is or are arranged in the beam path of the polarized light between the liquid crystal substance and the transparent projection area.Type: GrantFiled: December 7, 2001Date of Patent: October 21, 2003Assignee: Siemens AktiengesellschaftInventors: Bernd Eberhardt, Bernd Ludewig, Ralf Mayer