Patents by Inventor Ludger Woste

Ludger Woste 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: 7276103
    Abstract: The invention relates to a method for the separation of molecules having different excitation spectra, which form components of a gas. The molecules are excited by laser pulses in a way that the molecules to be separated are transferred into a state of excitation due to multi-absorption of energy quanta from laser pulses, and in which they are extracted from the gas so that they exist in a composition determined by the form of the laser pulses. According to the invention, the laser pulses are formed by an iterative process in which each laser pulse varies in its form depending on the extracted molecules' composition after their absorption of energy quanta.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: October 2, 2007
    Assignee: Freie Universitat Berlin
    Inventors: Ludger Wöste, Albrecht Lindinger, Cosmin Lupulescu
  • Publication number: 20050023127
    Abstract: The invention relates to a method for the separation of molecules having different excitation spectra, which form components of a gas. The molecules are excited by laser pulses in a way that the molecules to be separated are transferred into a state of excitation due to multi-absorption of energy quanta from laser pulses, and in which they are extracted from the gas so that they exist in a composition determined by the form of the laser pulses. According to the invention, the laser pulses are formed by an iterative process in which each laser pulse varies in its form depending on the extracted molecules' composition after their absorption of energy quanta.
    Type: Application
    Filed: July 30, 2004
    Publication date: February 3, 2005
    Inventors: Ludger Woste, Albrecht Lindinger, Cosmin Lupulescu
  • Patent number: 6489605
    Abstract: The invention relates to a device to aid the orientation of blind and partially sighted people. The device comprises a long cane and an additional device comprising a laser measuring system. By transmitting and receiving laser beams the laser measuring system detects objects in a planar detection area of a detection plane containing the long cane. Indicating means indicates the presence and the absence of objects in this planar detection area by a first and by a second information, respectively, for example by the presence of a determined signal and by the absence of a determined signal. This allows to detect objects above the long cane.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: December 3, 2002
    Assignee: Vistac GmbH
    Inventors: Maria Ritz, Lutz Konig, Ludger Woste
  • Patent number: 6298010
    Abstract: The invention relates to device serving as an orientation aid for blind and visually disabled, comprising at least one contactless distance measurement system (1,2) which provides correcting variables depending on the distance between the device and an object detected by the distance measurement system (1,2). At least one indicating device is also provided, which is impinged upon by the correcting variable of the distance measurement system (1,2) and which supplies an indication depending on the correcting variable. The indicating device comprises at least one tactile indicator (3) which is continuously or quasi-continuously displaced along a tactile path as monotone function of the distance measured by the distance measurement system (1,2). The tactile indicator can, for instance, comprise an adjustable element (3). The user can thus feel the distance measured by touching the position of the displaceable element (3).
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: October 2, 2001
    Inventors: Maria Ritz, Lutz König, Ludger Wöste
  • Patent number: 4432497
    Abstract: Both a nozzle for forming a free jet stream of a liquid and its method of manufacture is described. The exit aperture of the nozzle is provided by a nozzle end assembly made up of a plurality of blocks of material which are in optical contact with one another. The liquid channel defined by the blocks is provided with optically flat surfaces which minimize interference with uniform liquid flow therethrough. Moreover, edges are provided for the exit aperture defined by the blocks by polishing the same while they are supported, so that the resulting edges have a minimum of imperfections.
    Type: Grant
    Filed: May 21, 1981
    Date of Patent: February 21, 1984
    Assignee: Lexel Corporation
    Inventor: Ludger Woste