Patents by Inventor Ulrich Knaack

Ulrich Knaack 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: 11248766
    Abstract: A headlight for vehicles having a projection module containing a low beam primary lens and a first light source, a high beam primary lens and a second light source, a secondary lens arranged in the main beam direction in front of the low beam primary lens and the high beam primary lens, a secondary lens by means of which, in a low beam mode, in which only the first light source is activated, a first light bundle emitted from the low beam primary lens is mapped according to a specified low beam distribution and, in a high beam mode, in which the first light source and the second light source are activated, the first light bundle is mapped together with the second light bundle emitted from the high beam primary lens in order to produce the high beam distribution, wherein the high beam primary lens has compensator.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: February 15, 2022
    Assignee: Hella GmbH & Co. KGaA
    Inventors: Ulrich Knaack, Piet Risthaus
  • Publication number: 20210231281
    Abstract: A headlight for vehicles having a projection module containing a low beam primary lens and a first light source, a high beam primary lens and a second light source, a secondary lens arranged in the main beam direction in front of the low beam primary lens and the high beam primary lens, a secondary lens by means of which, in a low beam mode, in which only the first light source is activated, a first light bundle emitted from the low beam primary lens is mapped according to a specified low beam distribution and, in a high beam mode, in which the first light source and the second light source are activated, the first light bundle is mapped together with the second light bundle emitted from the high beam primary lens in order to produce the high beam distribution, wherein the high beam primary lens has compensator.
    Type: Application
    Filed: April 12, 2021
    Publication date: July 29, 2021
    Applicant: HELLA GmbH & Co. KGaA
    Inventors: Ulrich KNAACK, Piet RISTHAUS
  • Publication number: 20150204502
    Abstract: An adjusting device for headlights which has adjustment means for adjusting a light distribution having a cut-off line to a predetermined position. The headlight has a matrix of semi-conductor-based light sources and an optical unit arranged in the main direction of the beam in front of the light sources for reproducing the light sources as a number of adjacent light spots which form the light distribution. First adjustment means are provided for aligning a vertical cut-off line of the light distribution in a vertical reference line on a screen arranged at a distance from the headlight. Second adjustment means are provided so that the vertical cut-off line of the light distribution can be displaced by a horizontal adjustment path, which is smaller than a horizontal width of a light spot limiting the vertical cut-off line.
    Type: Application
    Filed: January 21, 2015
    Publication date: July 23, 2015
    Inventors: Michael Kleinkes, Ulrich Knaack, Christian Schmidt
  • Patent number: 7368217
    Abstract: The invention relates to a process for the production of a multi-layer image, preferably a multi-color image. A transfer film which is applied to a paper ubstrate and which is treated with laser irradiation is used. The transfer film has a laser-sensitive layer and a background layer arranged therebeneath. The laser-sensitive layer comprises laser-sensitive material, for example laser-sensitive pigments or other laser-sensitive coloring agents. The laser-sensitive material in the layer is region-wise bleached by laser irradiation. That results in a so-called laser-induced image component. As it is transparent or partly transparent, the background layer which is arranged therebeneath and which can have a printed image then becomes visible from above in that region. That therefore gives a multi-layer image which is formed by the laser-induced image component and by the background layer jointly.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: May 6, 2008
    Assignee: ORGA Systems GmbH
    Inventors: Norbert Lutz, Gerhard Zinner, Matthias Schumacher, Ulrich Knaack, Dirk Fischer
  • Patent number: 7300694
    Abstract: Described is a multi-layer body having two laser-sensitive layers 4, 32. The multi-layer body is a body laminated from the overlay films 30, 32, the inlets 90, 90 and the further overlay films 30, 30. At its underside the upper overlay film 30 has a layer structure applied there, by the application of a hot stamping film. The layer structure comprises a lacquer layer 50, a reflection layer 5r, a laser-sensitive layer 4, a background layer 5 and an adhesive layer 6. A diffraction and/or hologram structure 5b is provided in the lacquer layer 5c, the reflection layer 5r and the laser-sensitive layer 4. The second laser-sensitive layer is formed by the carbon-doped overlay film 32. By means of laser treatment, it is possible to produce a laser-induced, preferably colored image component in the upper laser-sensitive layer 4 and a further laser-sensitive image component, preferably in the form of a gray scale image, in the subjacent carbon-doped laser-sensitive layer 32.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: November 27, 2007
    Assignees: Leonard Kurz GmbH & Co. KG, ORGA Systems GmbH
    Inventors: Norbert Lutz, Gerhard Zinner, Matthias Schumacher, Ulrich Knaack, Dirk Fischer
  • Patent number: 7223512
    Abstract: The present invention relates to a process for increasing the level of safeguard in respect of forgery of paper documents. For that purpose, applied to the paper document is a transfer film or laminating film having a laser-sensitive layer. This multi-layer body is then treated with laser radiation. In that case, a laser-induced marking is produced in the laser-sensitive layer, for example, by laser-induced bleaching, laser-induced color change or laser-induced blackening. Respective individualization of the document can be effected by way of that laser-induced marking.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: May 29, 2007
    Assignee: ORGA Systems GmbH
    Inventors: Norbert Lutz, Gerhard Zinner, Matthias Schumacher, Ulrich Knaack, Dirk Fischer
  • Patent number: 7220479
    Abstract: The present invention relates to a multi-layer body which is a paper document with a hot stamping film embossed thereon. The hot stamping film has a laser-sensitive layer in which a laser-induced color image is produced by laser treatment. Arranged on the document are further security identifications such as a security print, which is in the form of guilloche patterns, fluorescent threads, and a security strip. Water marks are also provided in the paper document.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: May 22, 2007
    Assignees: Leonard Kurz GmbH & Co., KG, Orga Systems GmbH
    Inventors: Norbert Lutz, Gerhard Zinner, Matthias Schumacher, Ulrich Knaack, Dirk Fischer
  • Publication number: 20050181498
    Abstract: The present invention relates to a multi-layer body which is a paper document with a hot stamping film embossed thereon. The hot stamping film has a laser-sensitive layer in which a laser-induced color image is produced by laser treatment. Arranged on the document are further security identifications such as a security print, which is in the form of guilloche patterns, fluorescent threads, and a security strip. Water marks are also provided in the paper document.
    Type: Application
    Filed: May 8, 2002
    Publication date: August 18, 2005
    Inventors: Norbert Lutz, Gerhard Zinner, Matthias Schumacher, Ulrich Knaack, Dirk Fischer
  • Publication number: 20050142342
    Abstract: The present invention relates to a process for increasing the level of safeguard in respect of forgery of paper documents. For that purpose, applied to the paper document is a transfer film or laminating film having a laser-sensitive layer. This multi-layer body is then treated with laser radiation. In that case, a laser-induced marking is produced in the laser-sensitive layer, for example, by laser-induced bleaching, laser-induced color change or laser-induced blackening. Respective individualization of the document can be effected by way of that laser-induced marking.
    Type: Application
    Filed: May 8, 2002
    Publication date: June 30, 2005
    Inventors: Norbert Lutz, Gerhard Zinner, Matthias Schumacher, Ulrich Knaack, Dirk Fischer
  • Publication number: 20050118537
    Abstract: The invention relates to a process for the production of a multi-layer image, preferably a multi-color image. A transfer film which is applied to a paper substrate and which is treated with laser irradiation is used. The transfer film has a laser-sensitive layer and a background layer arranged therebeneath. The laser-sensitive layer comprises laser-sensitive material, for example laser-sensitive pigments or other laser-sensitive coloring agents. The laser-sensitive material in the layer is region-wise bleached by laser irradiation. That results in a so-called laser-induced image component. As it is transparent or partly transparent, the background layer which is arranged therebeneath and which can have a printed image then becomes visible from above in that region. That therefore gives a multi-layer image which is formed by the laser-induced image component and by the background layer jointly.
    Type: Application
    Filed: May 8, 2002
    Publication date: June 2, 2005
    Inventors: Norbert Lutz, Gerhard Zinner, Matthias Schumacher, Ulrich Knaack, Dirk Fischer
  • Patent number: 6880945
    Abstract: A lamp for a vehicle includes a light-conducting element. The light-conducting element has at least one in-coupling element arranged between two adjacent light out-coupling elements. A light source is associated with a light in-coupling surface of the light in-coupling element. At least two light-diverting surfaces of the light in-coupling element are associated with respective ones of the light out-coupling elements. The light-diverting surfaces serve to divert light beams radiated from the light source into the respective light out-coupling elements. The light-diverting surfaces of the light in-coupling elements are convexed, or curved, outwardly and have a common focus position for the light source.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: April 19, 2005
    Assignee: Hella KG Huech & Co.
    Inventors: Ulrich Knaack, Lukas Schwenkschuster
  • Publication number: 20040265552
    Abstract: Described is a multi-layer body having two laser-sensitive layers 4, 32. The multi-layer body is a body laminated from the overlay films 30, 32, the inlets 90, 90 and the further overlay films 30, 30. At its underside the upper overlay film 30 has a layer structure applied there, by the application of a hot stamping film. The layer structure comprises a lacquer layer 50, a reflection layer 5r, a laser-sensitive layer 4, a background layer 5 and an adhesive layer 6. A diffraction and/or hologram structure 5b is provided in the lacquer layer 5c, the reflection layer 5r and the laser-sensitive layer 4. The second laser-sensitive layer is formed by the carbon-doped overlay film 32.
    Type: Application
    Filed: August 5, 2004
    Publication date: December 30, 2004
    Inventors: Norbert Lutz, Gerhard Zinner, Matthias Schumacher, Ulrich Knaack, Dirk Fischer
  • Publication number: 20030026106
    Abstract: A lamp for a vehicle includes a light-conducting element. The light-conducting element has at least one light in-coupling element arranged between two adjacent light out-coupling elements. A light source is associated with a light in-coupling surface of the light in-coupling element. At least two light-diverting surfaces of the light in-coupling element are associated with respective ones of the light out-coupling elements. The light-diverting surfaces serve to divert light beams radiated from the light source into the respective light out-coupling elements. The light-diverting surfaces of the light in-coupling elements are convexed, or curved, outwardly and have a common focus position for the light source.
    Type: Application
    Filed: September 19, 2001
    Publication date: February 6, 2003
    Inventors: Ulrich Knaack, Lukas Schwenkschuster