Patents by Inventor Ralf Vollmer
Ralf Vollmer 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: 9288871Abstract: A circuit for actuating a lighting module, comprising at least two semiconductor light-emitting elements (D1, D2) which are connected in series in a first operating mode; wherein, in the event of a predetermined threshold value for an operating voltage (101) being undershot, a second operating mode is detectable (102); and wherein, in the second operating mode, the at least two semiconductor light-emitting elements (D1, D2) are alternately actuable.Type: GrantFiled: June 28, 2011Date of Patent: March 15, 2016Assignee: OSRAM GmbHInventor: Ralf Vollmer
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Patent number: 9157595Abstract: A light-emitting device may include: one first light source group having at least one light source and one second light source group having at least one light source, at least one reflector, which is configured and arranged for the purpose of reflecting light emitted by the first light source group to an optical plane, and at least one light conducting element, which is configured and arranged for the purpose of conducting light emitted by the second light source group to the optical plane, wherein the light conducting element is configured and arranged as an aperture for light reflected by the at least one reflector.Type: GrantFiled: August 23, 2011Date of Patent: October 13, 2015Assignee: OSRAM GmbHInventors: Juergen Hager, Oliver Hering, Ralf Vollmer
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Patent number: 9116280Abstract: The holding frame is equipped for holding at least one optical element, the holding frame consisting of an opaque material.Type: GrantFiled: July 15, 2009Date of Patent: August 25, 2015Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Peter Frey, Thomas Reiners, Ralf Vollmer
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Patent number: 8884521Abstract: A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current, corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.Type: GrantFiled: March 12, 2012Date of Patent: November 11, 2014Assignee: Osram AGInventors: Gerhard Behr, Alois Biebl, Moritz Engl, Heinz Haas, Stefan Hackenbuchner, Peter Helbig, Günther Hirschmann, Markus Hofmann, Rainer Huber, Joachim Reill, Thomas Reiners, Ralf Vollmer
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Patent number: 8870426Abstract: An illumination unit for vehicle headlights may include a light-emitting diode device, a housing and an assembly board on which components of an operating circuit for operating the light-emitting diode device are arranged, wherein the housing and the assembly board define an interior space, wherein the assembly board has at least one electrically conductive inner layer that is connected to a ground reference potential of the operating circuit and on its surface the assembly board has at least one electrical contact surface which is contacted with at least one electrically conductive inner layer, and the housing has an electromagnetic shielding structure configured to provide electromagnetic shielding of the interior space, wherein the electromagnetic shielding structure is connected to the at least one electrical contact surface.Type: GrantFiled: March 29, 2010Date of Patent: October 28, 2014Assignee: Osram AGInventors: Alois Biebl, Peter Frey, Ralf Vollmer
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Patent number: 8602620Abstract: A lighting apparatus may include an electrically conductive housing, in whose interior at least one light source and at least one electromagnetic radiation-emitting circuit component configured to operate the at least one light source are arranged; and an electrically conductive cover configured to cover the at least one circuit component; wherein the cover and the housing are electrically connected to one another.Type: GrantFiled: August 8, 2008Date of Patent: December 10, 2013Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Ralf Vollmer, Thomas Reiners
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Patent number: 8552627Abstract: A retaining frame (2) having at least one optical element (3) secured thereto by injection molding, with the at least one optical element (3) being embodied for beam shaping at least by means of total internal reflection and/or diffraction.Type: GrantFiled: July 13, 2009Date of Patent: October 8, 2013Assignee: OSRAM Gesellschaft mit beschrankter HaftungInventors: Peter Frey, Thomas Reiners, Ralf Vollmer
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Publication number: 20130194816Abstract: A light-emitting device may include: one first light source group having at least one light source and one second light source group having at least one light source, at least one reflector, which is configured and arranged for the purpose of reflecting light emitted by the first light source group to an optical plane, and at least one light conducting element, which is configured and arranged for the purpose of conducting light emitted by the second light source group to the optical plane, wherein the light conducting element is configured and arranged as an aperture for light reflected by the at least one reflector.Type: ApplicationFiled: August 23, 2011Publication date: August 1, 2013Applicant: OSRAM AGInventors: Juergen Hager, Oliver Hering, Ralf Vollmer
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Publication number: 20130119861Abstract: A circuit for actuating a lighting module, comprising at least two semiconductor light-emitting elements (D1, D2) which are connected in series in a first operating mode; wherein, in the event of a predetermined threshold value for an operating voltage (101) being undershot, a second operating mode is detectable (102); and wherein, in the second operating mode, the at least two semiconductor light-emitting elements (D1, D2) are alternately actuableType: ApplicationFiled: June 28, 2011Publication date: May 16, 2013Inventor: Ralf Vollmer
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Patent number: 8303148Abstract: An illumination unit having at least one light emitting diode chip and a housing (100) that at least partially surrounds the at least one light emitting diode chip (3), the housing (100) having fastening means for mounting the illumination unit in a luminaire, wherein the fastening means comprise at least one projection or one depression (122; 102) that is arranged on the housing (100) and, in order to mount the illumination unit in the luminaire, cooperates with a counterpart (210; 203?), coordinated in an accurately fitting fashion therewith, on a luminaire part (200; 200?, 200?) of the luminaire in such a way that the at least one projection or the at least one depression (122; 102) and the counterpart (210; 203?) interlock in an accurately fitting fashion.Type: GrantFiled: November 21, 2007Date of Patent: November 6, 2012Assignee: Osram Gesellschaft mit beschrankter HaftungInventors: Peter Frey, Ralf Vollmer
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Publication number: 20120169232Abstract: A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current, corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.Type: ApplicationFiled: March 12, 2012Publication date: July 5, 2012Inventors: Gerhard BEHR, Alois BIEBL, Moritz ENGL, Heinz HAAS, Stefan HACKENBUCHNER, Peter HELBIG, Günther HIRSCHMANN, Markus HOFMANN, Rainer HUBER, Joachim REILL, Thomas REINERS, Ralf VOLLMER
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Patent number: 8186849Abstract: A luminous module is specified comprising luminous units and a carrier body, wherein the luminous units are connected and/or contact-connected in at least two planes and/or orientations on the carrier body with conductor tracks. A method for producing the luminous module is furthermore specified.Type: GrantFiled: August 29, 2008Date of Patent: May 29, 2012Assignee: OSRAM AGInventors: Peter Helbig, Peter Frey, Ralf Vollmer
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Patent number: 8159144Abstract: A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.Type: GrantFiled: November 30, 2005Date of Patent: April 17, 2012Assignees: Osram Opto Semiconductors GmbH, Osram AGInventors: Gerhard Behr, Alois Biebl, Moritz Engl, Heinz Haas, Stefan Hackenbuchner, Peter Helbig, Günther Hirschmann, Markus Hofmann, Rainer Huber, Joachim Reill, Thomas Reiners, Ralf Vollmer
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Patent number: 8104939Abstract: A solid-state light source (10) comprising a plurality of LED units (12) arrayed to emit light generally about an axis (14). Each of the LED units (12) can comprise a number of LEDs, for example, up to five. They may all emit in a single color or multiple colors can be combined for a specific effect. A light transmissive light guide (16) is associated with the LED units (12) and has a plurality of input widows (18). Each LED unit (12) faces a respective input window (18) and each window (18) transversely intercepts the axis (14) and receives light from the LED units (12). The input windows (18) lead to a common output window (20) that is axially aligned with the input windows (18). The light guide (16) has smooth sidewalls (22) that extend between the input windows (18) and the output window (20).Type: GrantFiled: August 23, 2006Date of Patent: January 31, 2012Assignee: OSRAM SYLVANIA Inc.Inventors: Charles M. Coushaine, Angela Hohl-Abichedid, Ralph Johnson, William E. Meyer, Thomas Reiners, Thomas Tessnow, Michael Tucker, Ralf Vollmer
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Publication number: 20120020104Abstract: An illumination unit for vehicle headlights may include a light-emitting diode device, a housing and an assembly board on which components of an operating circuit for operating the light-emitting diode device are arranged, wherein the housing and the assembly board define an interior space, wherein the assembly board has at least one electrically conductive inner layer that is connected to a ground reference potential of the operating circuit and on its surface the assembly board has at least one electrical contact surface which is contacted with at least one electrically conductive inner layer, and the housing has an electromagnetic shielding structure configured to provide electromagnetic shielding of the interior space, wherein the electromagnetic shielding structure is connected to the at least one electrical contact surface.Type: ApplicationFiled: March 29, 2010Publication date: January 26, 2012Applicant: OSRAM AGInventors: Alois Biebl, Peter Frey, Ralf Vollmer
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Patent number: 7982403Abstract: A motor vehicle headlight module having at least two lighting units (1) is specified. Here, each lighting unit (1) comprises at least one light-emitting diode chip (2). Different lighting units (1) are provided here for different lighting functions. Furthermore, the motor vehicle headlight module has a common heat sink (6) for the lighting units, to which heat sink the lighting units are thermally connected, and a common current-stabilizing electronic system (8) for supplying voltage to the lighting units.Type: GrantFiled: October 12, 2006Date of Patent: July 19, 2011Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Angela Hohl-AbiChedid, Thomas Reiners, Ralf Vollmer
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Publication number: 20110122617Abstract: A retaining frame (2; 17) with at least one optical element (3) secured thereto, wherein the at least one optical element (3) is connected to the retaining frame (2; 17) by calking, gluing in place, snap-fitting, clamping, shrinking, ultrasonic welding or pressing-in.Type: ApplicationFiled: July 8, 2009Publication date: May 26, 2011Applicant: OSRAM Gesellschaft mit beschränkter HaftungInventors: Peter Frey, Ralf Vollmer
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Publication number: 20110121708Abstract: A retaining frame (2) having at least one optical element (3) secured thereto by injection molding, with the at least one optical element (3) being embodied for beam shaping at least by means of total internal reflection and/or diffraction.Type: ApplicationFiled: July 13, 2009Publication date: May 26, 2011Inventors: Peter Frey, Thomas Reiners, Ralf Vollmer
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Publication number: 20110038172Abstract: A lighting apparatus may include an electrically conductive housing, in whose interior at least one light source and at least one electromagnetic radiation-emitting circuit component configured to operate the at least one light source are arranged; and an electrically conductive cover configured to cover the at least one circuit component; wherein the cover and the housing are electrically connected to one another.Type: ApplicationFiled: August 8, 2008Publication date: February 17, 2011Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Ralf Vollmer, Thomas Reiners
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Patent number: 7806562Abstract: A lighting device includes at least one light-emitting diode and a cooling aggregate (400) for cooling the at least one light-emitting diode, wherein the at least one light-emitting diode is arranged on the cooling aggregate (400) and the cooling aggregate (400) is provided with at least one recess in which a mounting plate (408) equipped with electrical components is located. Also described is a vehicle headlight including at least one lighting device of the aforementioned kind.Type: GrantFiled: January 12, 2005Date of Patent: October 5, 2010Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Gerhard Behr, Peter Helbig, Thomas Reiners, Ralf Vollmer