Patents by Inventor Markus A. Hofmann

Markus A. Hofmann 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).

  • Patent number: 8439529
    Abstract: Disclosed is a lighting device comprising at least one LED and at least one optical element, wherein the LED and the optical element are aligned with each other by means of at least one dowel pin. A method of making such a lighting device is also specified. The described lighting device is particularly well suited for use in a vehicle headlight.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: May 14, 2013
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: Moritz Engl, Stefan Grötsch, Markus Hofmann, Rainer Huber, Kurt-Jürgen Lang, Joachim Reill, Michael Sailer, Mario Wanninger
  • Publication number: 20130107531
    Abstract: A heat sink may be constructed from at least one sheet-metal part and may include at least one flow structure, wherein the flow structure is configured to guide cooling air along an inner side of the heat sink, and wherein the flow structure is configured to direct the cooling air at least partially along a longitudinal axis of the heat sink on the inner side of the heat sink.
    Type: Application
    Filed: July 8, 2011
    Publication date: May 2, 2013
    Applicant: OSRAM AG
    Inventors: Nicole Breidenassel, Klaus Eckert, Guenter Hoetzl, Markus Hofmann, Fabian Reingruber
  • Patent number: 8415895
    Abstract: A lamp with a base (1) and at least one light emitting semiconductor component (2) is disclosed. The base has at least two external electrical connections (11, 12) and at least two electrical connection parts (13, 14). The electrical connection parts are provided for electrically connecting the light emitting semiconductor component and are respectively connected to one of the external electrical connections in an electrically conducting manner. The light emitting semiconductor component is mounted on a carrier (3) and is electrically connected to at least two electrical contacting elements (31, 32), which are arranged and/or fixed on the carrier. Each of the electrical contacting elements is directly adjacent to one of the electrical connection parts and connected to it in an electrically conducting manner.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: April 9, 2013
    Assignee: OSRAM Gesellschaft mit beschrankter Haftung
    Inventors: Markus Hofmann, Rainer Huber
  • Publication number: 20120308364
    Abstract: A drive device for pivoting adjustable blades of a turbomachine is provided. The drive device includes an annular flow channel section surrounded by a blade carrier, the section extending along the center line of the blade carrier and blades being provided in the section in a ray-like manner, forming a ring, wherein each of the blades can be pivoted about the longitudinal axis thereof and each has a pin which extends at least into the blade carrier and is coupled to at least one adjustment ring which encloses the blade carrier and may be driven by means of at least one motor. In order to provide a particularly low-wear and reliable drive, the drive shaft of the motor or motors is coupled to the adjustment ring or adjustment rings by means of a pinion gear.
    Type: Application
    Filed: February 15, 2011
    Publication date: December 6, 2012
    Inventor: Markus Hofmann
  • Publication number: 20120195054
    Abstract: A heat sink (2;16,17;22) for an illumination device (1;15;20), wherein the heat sink is made up of comprises several heat sink parts (3,4;16,17;23,27), wherein at least two of the heat sink parts (3,4;16,17;23,27) include different heat sink materials
    Type: Application
    Filed: May 19, 2010
    Publication date: August 2, 2012
    Applicant: OSRAM AG
    Inventors: Nicole Breidenassel, Moritz Engl, Markus Hofmann, Giovanni Scilla
  • Publication number: 20120176796
    Abstract: A cooling member (2) for at least one semiconductor light emitting element (8), especially light emitting diode, having a mounting cavity (3) for accommodating at least part of control electronics (4) used for operating the at least one semiconductor light emitting element (8).
    Type: Application
    Filed: May 26, 2010
    Publication date: July 12, 2012
    Inventors: Ralph Bertram, Zoran Bosnjak, Nicole Breidenassel, Markus Hofmann
  • Publication number: 20120169232
    Abstract: 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: Application
    Filed: March 12, 2012
    Publication date: July 5, 2012
    Inventors: Gerhard BEHR, Alois BIEBL, Moritz ENGL, Heinz HAAS, Stefan HACKENBUCHNER, Peter HELBIG, Günther HIRSCHMANN, Markus HOFMANN, Rainer HUBER, Joachim REILL, Thomas REINERS, Ralf VOLLMER
  • Patent number: 8159144
    Abstract: 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: Grant
    Filed: November 30, 2005
    Date of Patent: April 17, 2012
    Assignees: Osram Opto Semiconductors GmbH, Osram AG
    Inventors: Gerhard Behr, Alois Biebl, Moritz Engl, Heinz Haas, Stefan Hackenbuchner, Peter Helbig, Günther Hirschmann, Markus Hofmann, Rainer Huber, Joachim Reill, Thomas Reiners, Ralf Vollmer
  • Patent number: 8096689
    Abstract: A motor-vehicle headlight is specified, having at least one light-emitting diode, and an apparatus for controllable manipulation of the beam path of the electromagnetic radiation emitted from the light-emitting diode. The described motor-vehicle headlight is distinguished inter alia by a particularly variable emission characteristic.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: January 17, 2012
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: Moritz Engl, Stefan Grötsch, Markus Hofmann, Rainer Huber, Kurt Jürgen Lang, Mario Wanninger
  • Publication number: 20110304268
    Abstract: In various embodiments, a lighting device is provided, which may include at least one semiconductor light source, at least one sensor and evaluation electronics functionally connected to the at least one sensor, wherein the evaluation electronics are arranged to trigger at least one action of the lighting device upon at least one predetermined sensor signal of the at least one sensor.
    Type: Application
    Filed: February 3, 2010
    Publication date: December 15, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Ralph Bertram, Moritz Engl, Markus Hofmann
  • Publication number: 20110292653
    Abstract: In various embodiments, a semiconductor lamp may include at least one semiconductor light source; a heat sink for cooling at least the at least one semiconductor light source; and a diffuser fixed to the heat sink; wherein the heat sink has at least one receptacle space; wherein the receptacle space is filled with solid filling compound; and at least one part of an edge of the diffuser is dipped into the filling compound in a positively locking manner.
    Type: Application
    Filed: May 25, 2011
    Publication date: December 1, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Markus Hofmann, Fabian Reingruber
  • Publication number: 20110291123
    Abstract: A method for producing a plurality of LED illumination devices which each emit light having an average value of a first photometric parameter including producing a plurality of LED chips which emit light of the same color; measuring values of the first photometric parameter of the LED chips; combining the LED chips to form groups of at least two LED chips which have different values of the first photometric parameter such that differences in the average values of all the LED illumination devices are imperceptible to the human eye; and equipping a respective LED illumination device with a group of LED chips.
    Type: Application
    Filed: December 18, 2009
    Publication date: December 1, 2011
    Applicants: OSRAM OPTO SEMICONDUCTORS GMBH, OSRAM GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG
    Inventors: Markus Hofmann, Ralph Peter Bertram, Julius Muschaweck
  • Publication number: 20110286227
    Abstract: A lamp may include illumination means which include at least one LED, and having a base, by way of which the lamp can be connected to a mounting in order to be supplied with voltage, wherein the illumination means are connected to the base by way of a mechanism which in a first state couples the illumination means in rotatable fashion to the base around an axis and in a second state couples the illumination means to the base in a rotatably fixed manner, and light emitted by the illumination means has an intensity distribution which is asymmetric with respect to the axis.
    Type: Application
    Filed: January 12, 2010
    Publication date: November 24, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Harald Dellian, Markus Hofmann
  • Patent number: 7995882
    Abstract: A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: August 9, 2011
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: Mario Wanninger, Markus Hofmann, Günter Waitl, Alexander Wilm
  • Publication number: 20110170302
    Abstract: An illumination apparatus is provided. The illumination apparatus may include at least one light-emitting diode; and at least one heat sink for cooling the light-emitting diode, wherein at least one component of the illumination apparatus provided for thermal discharge has an emission coefficient of more than 0.75.
    Type: Application
    Filed: August 28, 2009
    Publication date: July 14, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Nicole Breidenassel, Markus Hofmann
  • Patent number: 7948917
    Abstract: A communication technique includes routing communications over an internet topology using coordinates, which correspond to estimated round trip times, of an origination, a destination and at least one intermediary host or node. A disclosed example includes identifying candidate intermediary nodes based upon selected criteria such as proximity to at least one of the origination or destination for the communication. A disclosed example includes identifying a plurality of intermediary nodes for some applications.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: May 24, 2011
    Assignee: Alcatel-Lucent USA Inc.
    Inventors: Volker Hilt, Markus A. Hofmann, Vasileios Pappas
  • Patent number: D647637
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: October 25, 2011
    Assignee: OSRAM AG
    Inventors: Nicole Breidenassel, Klaus Eckert, Markus Hofmann, Juergen Komar, Fabian Reingruber
  • Patent number: D648452
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: November 8, 2011
    Assignee: Osram AG
    Inventors: Nicole Breidenassel, Klaus Eckert, Markus Hofmann, Juergen Komar, Fabian Reingruber
  • Patent number: D658311
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: April 24, 2012
    Assignee: Osram AG
    Inventors: Nicole Breidenassel, Klaus Eckert, Markus Hofmann, Juergen Komar, Fabian Reingruber
  • Patent number: D665520
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: August 14, 2012
    Assignee: OSRAM AG
    Inventors: Nicole Breidenassel, Klaus Eckert, Johannes Hoechtl, Markus Hofmann