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Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.


Location: DE
No. of patents: 77

1    
NumberTitleIssue Date
7696480Method and apparatus for determining an object material
One finding of the present invention is that, by use of radiation with a polyfrequent effective spectrum for the examination of the object, beam hardening or shift of the spectrum's center of gravity does indeed lead to the fact that the effectively operative absorp...
04/13/2010
7684578Wave field synthesis apparatus and method of driving an array of loudspeakers
In a wave field synthesis apparatus for driving an array of loudspeakers with drive signals, the loudspeakers being arranged at different defined positions, a drive signal for a loudspeaker being based on an audio signal associated with a virtual source having a vir...
03/23/2010
7627129Apparatus and method for suppressing feedback
An apparatus for suppressing feedback in an environment where a microphone and a loudspeaker are located, comprises a means for embedding a test signal into a loudspeaker signal, a microphone signal or a modified microphone signal, preferably by using a psychoacoust...
12/01/2009
7587311Device and method for embedding binary payload in a carrier signal
For embedding binary payload in a carrier signal, which, for example, is an audio signal, a sequence of time-discrete values of the carrier signal is converted to the frequency domain by means of an integer transform algorithm to obtain binary spectral representatio...
09/08/2009
7467700Power tool with clutch
The invention discloses a power tool comprising a clutch having a first clutch element and a second clutch element which are seated for rotation one relative to the other and between which a torque can be transmitted. The clutch comprises an actuating element engagi...
12/23/2008
7465051Apparatus and method for generating an image
An apparatus for generating an image comprises a projection means, which is designed to generate an image on a projection area, a detection means, which is designed to generate a detection means signal in dependence on a position or change of position of the project...
12/16/2008
7391879Loudspeaker
An inventive loudspeaker includes a diaphragm, a first excitation means for generating structure-borne sound in the diaphragm, and a second excitation means, different from the first one, for setting the diaphragm into a longitudinal vibrational motion in a directio...
06/24/2008
7289065Antenna
An antenna comprises a first planar antenna and a second planar antenna. A coupler for coupling serves for coupling the first planar antenna to a first component of a differential signal and for coupling the second planar antenna to a second component of the differe...
10/30/2007
7257996Device and method for a quality test of a body
A surface of a body includes a structure bounded by edges and a substantially edge-free unevenness. The structure is considered a quality impairment and the unevenness a potential quality impairment. A device includes a means for generating a height representation o...
08/21/2007
7218178Frequency generator with a phase locked loop
A frequency generator with a phase locked loop includes a loop filter, the transfer function of which has a pair of complex conjugated poles. The present invention provides an optimum and greatly improved compromise, in particular as opposed to the prior art, betwee...
05/15/2007
7186965Distance sensor and method for detecting a distance
An indirect detection of the reflected radiation pulses, when measuring a distance by means of the photoeffect, allows considerably expanding the usability of the distance sensor and the distance measuring method, wherein the adaption to a new field of application o...
03/06/2007
7150932Production of tubular fuel cells, fuel cell modules, base elements and ion exchanger membranes
The present invention relates to a composite system comprising an electrode and a membrane, which can be used as a fuel cell element or an ion-exchange membrane. ...
12/19/2006
7135503Method for reclaiming polyester or polyester mixtures
The invention relates to a method for reclaiming polyesters or polyester mixtures from polyester or waste containing polyester. The aim of the invention is to reclaim polyesters or polyester mixtures of good quality in a cost-effective manner. To achieve this aim, t...
11/14/2006
7130465Method for extracting texture features from a multichannel image
In a method for extracting texture features from a multichannel image, which comprises a plurality of pixels, information of at least two channels of the image is combined for each of the plurality of pixels, and one or several texture features are determined from t...
10/31/2006
7098422Electrode element for plasma torch and method for the production
An electrode element for plasma torches and a production method for such electrode elements. The electrode element for plasma torches includes at least one core made of a metal or a metal alloy having a smaller work function that forms the actual electrode connected...
08/29/2006
7088442Device and method for a quality test of a body
A device for quality testing of a body comprising a surface comprising a structuring bounded by edges and a substantially edge-free unevenness, wherein the structuring illustrates a quality impairment and wherein the unevenness illustrates a potential quality impair...
08/08/2006
7037096Cellulose extrusion
Apparatus for the production of extruded blown cellulose film from a solution of cellulose, water and an amine-oxide, which includes:—extrusion apparatus for continuously extruding a cellulose solution to produce a cellulose film;—solidifying apparatus for solid...
05/02/2006
6915241Method for segmentation and identification of nonstationary time series
A method, implemented on a computer having a fixed amount of memory and CPU resources, for analyzing a sequence of data units derived from a dynamic system to which new data units may be added by classifying the data units, is disclosed. The method comprises determi...
07/05/2005
6887367Process for the coating of passivated metallic surfaces of components and such coated components
The invention relates to a process which is suitable for applying a permanently adhering, stable, dirt and water repellent coating to metallic surfaces, specifically chromium surfaces, specifically sanitary and kitchen fixtures, and also to the components coated in ...
05/03/2005
6821762Reactor module with capillary membranes
The present invention relates to a reactor module constructed of hollow fibers and cells as well as to reactors comprising this reactor module. ...
11/23/2004
6822067Quick-setting mixtures and kits with polyfunctional cyanates and amines, the thermosets produced therefrom and methods for the production thereof
The invention describes a fast curable system for the preparation of amine modified thermosettings containing triazine groups, the system comprising at least one polyfuctional organic monomeric or prepolymerized cyanate and at least one primary or secondary amine, w...
11/23/2004
6803928Extended virtual table: an optical extension for table-like projection systems
Apparatus that uses a large transflective mirror to extend a virtual reality system such as a virtual table that employs a projection plane to produce the virtual reality. The transflexive mirror is positioned relative to the projection plane such that the plane of ...
10/12/2004
6752911Device and method for coating objects at a high temperature
The invention relates to a device for coating an object at a high temperature by means of cathode sputtering, having a vacuum chamber and a sputter source, the sputter source having a sputtering cathode. Inside the vacuum chamber is arranged an inner chamber formed ...
06/22/2004
6750789Device and method for determining a coding block raster of a decoded signal
In determining a coding block raster on which a decoded signal is based, a segment of the decoded signal is picked out first, said segment beginning at a certain output sampling value of the decoded signal. Said segment is then converted into a spectral representati...
06/15/2004
6712828Device and procedure for joining hollow organs
The invention relates to a device for joining hollow organs with an elongated holder and a needle carrier which is positioned at one end of the holder, where the needle seat extends radially, forming an overhang projecting beyond the periphery of the holder, as well...
03/30/2004
6706441Paste-like masses for electrochemical components, layers produced therefrom, and electrochemical components
The invention relates to a paste-like mass that can be used in electrochemical elements comprising a matrix comprising at least one organic polymer, precursors thereof, or prepolymers thereof, and an electrochemically activatable inorganic material that is not solub...
03/16/2004
6580559Element for lighting rooms by selective daylight guidance and method of manufacturing such an element
What is described here is a method and an element of lighting rooms by selective guidance of daylight, comprising an optically transparent main body through which the light is incident into the respective room, and including plurality of structures on whi...
06/17/2003
6551184Method and device for air conditioning in vehicles
What is described here is a method of air conditioning in vehicles and in aircraft in particular, wherein the air flow supplied to the passenger cabin consists of outside air possibly heated to a moderate temperature and a fraction of circulated air. The ...
04/22/2003
6511831Electrical integrated nucleic acid isolation, purification and detection
The invention relates to a method and a device for the isolation and purification of nucleic acids. According to the invention, after decomposition of a sample the nucleic acids present in said sample are isolated and purified....
01/28/2003
6497511Method and device for imaging in digital dental radioscopy
In a method for imaging in digital dental radioscopy making use of a sensor array, the individual image elements of which are smaller than a desired local resolution so that a plurality of image elements forms a respective effective image element, first r...
12/24/2002
6496295Glazing element
The present invention relates to a glazing element for facing building facades or window systems, in particular for motor vehicles, trains or aircraft, having at least two panes, which enclose an intermediate space, and on one pane surface facing said int...
12/17/2002
6455320Solar cell sensors, process for their manufacture and their use
A novel solar cell is shown, along with a method for the manufacture thereof, whereby molecules whose presence are to be verified and/or substances are deposited on such solar cells and are influenced by chemical or physical parameters to cause a change i...
09/24/2002
6444493Method for vertically integrating active circuit planes and vertically integrated circuit produced using said method
In a method for vertically integrating active circuit planes, a first substrate having at least one integrated circuit in a first main surface thereof and further having connecting areas for the integrated circuit as well as outer connecting areas on the ...
09/03/2002
6441755Device and method for entropy encoding of information words and device and method for decoding entropy-encoded information words
A method and a device for entropy encoding and associated decoding make use of a code consisting on the one hand of a code table with reversible code words (12) and comprising on the other hand an escape region for information words to be coded which are ...
08/27/2002
6433868Method for differential spectroscopic measurements
The patent relates to a method for spectroscopic and spectrofluorimetric determination of the interaction between materials. The determination takes place using apparatus consisting of several basins....
08/13/2002
6429960Optical component
Described is an optical element having a region arranged on a first substrate and comprising at least one layer, the region containing a reactive material, a dye, and ion storage, whereby a redox system and at least one ion are present in the ion storage....
08/06/2002
6428908Contact and method for producing a contact
What is described here is an electrical and mechanical contact consisting of a rigid background, a flat thin bond structure and a bond connection, as well as a method of electrically and mechanically connecting a flat thin bond structure with a rigid back...
08/06/2002
6424939Method for coding an audio signal
A method for coding or decoding an audio signal combines the advantages of TNS processing and noise substitution. A time-discrete audio signal is initially transformed to the frequency domain in order to obtain spectral values of the temporal audio signal...
07/23/2002
6386057Drive device for several units of a machine
The inventive drive device for several units of a machine has an inertia drive with an inertia drive spindle (1) driven by a motor, and several inertia drive nuts (2), the nuts being fitted on the inertia drive spindle (1) and being allocated to the units...
05/14/2002
6382020Apparatus for testing automotive wheels and parts thereof especially motorcycle wheels
The invention provides a device for testing motor vehicle wheels, tires, wheel hubs, wheel bearings, and wheel bolts under loading conditions similar to operating conditions, including a mounting device for pivoting attachment of a vehicle wheel; a drum a...
05/07/2002
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