Patents by Inventor Michael Hamm

Michael Hamm 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).

  • Publication number: 20020114165
    Abstract: A headlight device for a vehicle has at least two headlights each emitting a screened light beam with an upper bright-dark limit which on a counter traffic side and on a traffic side has different portions so that a portion on the counter traffic light is arranged deeper than a portion on the traffic side, and the portion on the traffic side extends so as to ascend starting from the portion on the counter traffic side at least over a part of its extension, the headlights being formed so that the light bundles are emitted with different bright-dark limits, and at least one first headlight emits a first light bundle with a bright-dark limit with the portion which on the traffic side is located higher than the portion of the bright-dark limit at the traffic side of a second light bundle emitted by at least one second headlight, and a direction of the second light bundle is changeable so that a position of its bright-dark limit is changed at least in a vertical direction.
    Type: Application
    Filed: March 27, 2000
    Publication date: August 22, 2002
    Inventors: Ernst-Olaf Rosenhahn, Michael Hamm
  • Publication number: 20020075693
    Abstract: A headlight for a vehicle for producing a low beam and at least one light beam with a greater distance, the headlight comprising a light source, a reflector, the light source and the reflector together forming a headlight unit, an electrically adjusting device for changing a relative position between the light source and the reflector, a light width adjusting device for turning the headlight insert about an at least approximately horizontally extending axis, and a safety device operative for monitoring at least indirectly an operation of the adjusting device and in the case of an error when the adjusting device operates not in an orderly manner, the safety device reduces an electric power with which the light source is operated and/or reduces a distance of a light beam produced by the headlight unit.
    Type: Application
    Filed: August 13, 2001
    Publication date: June 20, 2002
    Inventors: Ernst-Olaf Rosenhahn, Michael Hamm, Walter Thieringer, Rainer Wuestenhagen, Doris Boebel
  • Publication number: 20020067618
    Abstract: A headlight device for a vehicle for producing light bundles with difference characteristics has at least one headlight having a plurality of headlight units, light means including a plurality of light sources with at least one light source provided for each of the headlight units, each of the light sources produces a light bundle with at least one characteristic, the headlight units being simultaneously operatable in various combinations, at least one of the headlight units being formed so that it produces a light bundle with at least two different characteristics.
    Type: Application
    Filed: December 21, 1999
    Publication date: June 6, 2002
    Inventors: BERNHARD WOERNER, MICHAEL HAMM, HENNING HOGREFE, DORIS BOEBEL
  • Patent number: 6332702
    Abstract: A headlight for a vehicle for producing low beam light and at least one further light function has a reflector, at least one light source, an adjusting device which moves the light source relative to the reflector between a position for a light function of low beam and at least one further position for at least one further light function, the adjusting device being arranged at a rear side of the reflector under the light source, and an additional reflector arranged in a light outlet direction after the adjusting device and provided with an additional light source which is inserted in the additional reflector transversely to the optical axis.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: December 25, 2001
    Assignee: Robert Bosch GmbH
    Inventors: Verena Hebler, Steffen Wiersdorff, Michael Hamm
  • Publication number: 20010048601
    Abstract: An illumination device formed as a light for a motor vehicle has at least one light emitting element which emits light producing an illumination intensity distribution, and at least one additional light source which emits a light supporting the production of higher illumination intensity value in at least one partial region of an illumination intensity distribution produced by the light exiting the illumination device.
    Type: Application
    Filed: May 8, 2001
    Publication date: December 6, 2001
    Inventors: Silke Emmelmann, Michael Hamm
  • Publication number: 20010006468
    Abstract: The headlight arrangement for a vehicle produces respective light beams with different characteristics and includes at least two headlight units (10), each having a number of individual headlights (12, 14, 16), by means of which the respective light beams are produced and operated simultaneously and/or in different combinations. The headlight unit (10) has at least one base headlight (12) by which a light beam with low beam characteristics is produced. In a basic or initial configuration the base headlights of two headlight units on opposite sides of the vehicle have substantially parallel optic axes (11) and their light beams are superimposed. The base headlights (12) may be pivoted in opposite directions from each other from their initial configuration about vertically extending axes (40) so that their optic axes (11) diverge or converge.
    Type: Application
    Filed: December 19, 2000
    Publication date: July 5, 2001
    Inventor: Michael Hamm
  • Patent number: 6059435
    Abstract: The headlight has a light source (10) in the form of a gas discharge lamp and a reflector (12) which has a first reflector part (16) and a second reflector part (18). A converging light beam is reflected from the first reflector part (16) and a lens (26) and a stop (22) with an edge (24) for producing a light-dark boundary are arranged in the path of that beam. The second reflector part (18) is arranged above and/or beside the first reflector part (16) and is moveable between a position for low beam light, in which a light beam directed downward is reflected from it, and a position for high beam light, in which a light beam with a greater range is reflected from it. The light reflected by the second reflector part (18) in the position for low beam light can issue from the headlight and contribute to the formation of the low beam or be absorbed inside the headlight.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: May 9, 2000
    Assignee: Robert Bosch GmbH
    Inventors: Michael Hamm, Henning Hogrefe, Heinz Grimm
  • Patent number: 6030107
    Abstract: A headlight unit for a motor vehicle has a light source, a reflector for bundling a radiation of the light source, a first lens device on which the radiation of the light source is bundled by the reflector, the first lens device deviating a light beam bundle in an illumination direction from the headlight unit, a light conductor system having light outlet surfaces, and means for coupling arranged in a region between the reflector and the first lens device and coupling those light beams which are not bundled on the first lens device, in the light guiding system with the light outlet surfaces.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: February 29, 2000
    Assignee: Robert Bosch GmbH
    Inventor: Michael Hamm
  • Patent number: 5984497
    Abstract: An illumination device for a vehicle has a housing having a light outlet opening, a light-permeable cover member closing the light outlet opening of the housing, a light source arranged in the housing, a unit forming a side marker light, the a unit including at least one light guiding element in which a light emitted by the light source is uncoupled, the at least one light guiding element extending over a part of a contour of the illumination device, the light guiding element being arranged so that the light exits from the at least one light guiding element over its course from a part of an outer surface of the light guiding element.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: November 16, 1999
    Assignee: Robert Bosch GmbH
    Inventors: Rolf Foerstner, Michael Hamm, Albrecht Duerr, Doris Boebel