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Burg

Andreas Burg, Maur CH

Patent application numberDescriptionPublished
20080317141Method for Calculating Functions of the Channel Matrices in Linear Mimo-Ofdm Data Transmission - The present application describes a method for transmitting data through a MIMO-OFDM system which requires the computation of a function f(H(sk)), where H is the channel matrix and sk=exp(j*2*pi*k/N). The method splits function f into a first, nonpolynomial part, which is in turn a function of one or more polynomial functions in sk.12-25-2008
20090063106METHOD AND DEVICE FOR DECODING A SIGNAL OF MULTIPLE INPUT/MULTIPLE OUTPUT SYSTEM - The method for decoding a received signal in a multiple input/multiple output system uses QR-decomposition of the linear channel matrix, but then applies a non-Euclidean norm during tree traversal. Two separate hardware units, namely an MCU and a MEU, art provided for concurrent operation. The MCU determines a next child node, while the MEU determines next best parent nodes on the previously processed tree levels, which makes it possible to retrace the path to a next starting node without investing dedicated processing steps (e.g., cycles). On each tree level, the possible coordinates are grouped into several circular sets in the complex plane, and a series of decision boundaries is calculated for each set that allows a quick evaluation of the optimum coordinate in each set.03-05-2009
20090304114METHOD FOR DECODING DIGITAL INFORMATION ENCODED WITH A CHANNEL CODE - The performance of multiple-input multiple-output (MIMO) systems, employing coding with multiple antennas depends heavily on the demapper algorithm which is used for MIMO detection. Soft-output demappers lead to better bit error rate (BER) performance compared to hard-decision demappers, but have a higher implementation complexity. The algorithm, proposed in this paper, relies on low-complexity harddecision MIMO detection. The reliability information for the received bits used to compute log-likelihood ratios is based on an estimate of the average bit error rate which is for example derived from the corresponding channel state information only. The algorithm is applicable to any hard-decision MIMO detector. As an example, we describe the application of the scheme to a linear MMSE detector and to sphere decoding with early termination.12-10-2009

Birgit Burg, Duesseldorf DE

Patent application numberDescriptionPublished
20090305938Production of Amine Oxide Granulates and the Use Thereof - Surfactant granulates containing 10 to 90 wt. % amine oxide, 10 to 90 wt. % carrier material and 0 to 50 wt. % binder can be manufactured by fluidized bed granulation and employed for upgrading a washing detergent or cleaning agent composition. The upgraded washing detergent or cleaning agent composition is characterized inter alia by an improved performance for the removal of fat-containing stains.12-10-2009

Josef Burg, Weilheim DE

Patent application numberDescriptionPublished
20090101585Chromatographic methods - The current invention comprises a method for the regeneration of a cation exchange chromatography column.04-23-2009
20090118476Purification of pegylated polypeptides - The invention is a method for the purification of mono-PEGylated erythropoietin using two cation exchange chromatography steps wherein the same type of cation exchange material is used in both cation exchange chromatography steps and a method for producing a mono-PEGylated erythropoietin in substantially homogeneous form.05-07-2009
20110065903Chromatographic methods - The current invention comprises a method for the regeneration of a cation exchange chromatography column.03-17-2011
20110118448Purification of pegylated polypeptides - The invention is a method for the purification of mono-PEGylated erythropoietin using two cation exchange chromatography steps wherein the same type of cation exchange material is used in both cation exchange chromatography steps and a method for producing a mono-PEGylated erythropoietin in substantially homogeneous form.05-19-2011

Patent applications by Josef Burg, Weilheim DE

Olivier Burg, Caen FR

Patent application numberDescriptionPublished
20100048152MIXER CIRCUIT AND METHOD OF OPERATION - A mixer circuit to mix a RF (Radio Frequency) signal with a LO (Local Oscillator) signal to generate an IF (Intermediate Frequency) signal including a dummy branch connected in parallel of a mixing branch, the dummy branch including a transconductance stage having an input connected to a reference potential independent from the RF signal, to transform the reference potential into a current signal, and a current switching core to switch the current signal according to LO and signals, and chopping switches to connect in series the transconductance stage of the mixing branch to the current switching core of the mixing branch and, in the alternative, to the current switching core of the dummy branch under the control of a chopping signal.02-25-2010

Patrice Burg, Steinbrunn-Le-Bas FR

Patent application numberDescriptionPublished
20100147920APPARATUS FOR SETTING FASTENING ELEMENTS - An apparatus for setting fastening elements (06-17-2010

Thomas Burg, Goettingen DE

Patent application numberDescriptionPublished
20100288043Method and apparatus for extended time and varying environment measurements of single particles in microfluidic channels - Methods and apparatus for improving measurements of particle or cell characteristics, such as mass, in Suspended Microchannel Resonators (SMR's). Apparatus include in particular designs for trapping particles in SMR's for extended measurement periods and for changing the fluid properties within the SMR during the extended periods. Methods include techniques to provide for cell growth over time and over time in response to changing fluid properties to aid in determining parameters such as drug resistance and drug susceptibility.11-18-2010
20110124095Method and apparatus for high throughput diagnosis of diseased cells with microchannel devices - The method and apparatus of the present invention detects changes in cell biomechanics caused by any of a variety of diseases and conditions. In one embodiment, the method and apparatus of the invention detect infection of red blood cells. In one embodiment, the invention is a method and apparatus comprising a microfluidic channel with a constriction, for trapping infected red blood cells while allowing healthy red blood cells to deform and pass through the channel. In another embodiment, the invention comprises a suspended microchannel resonator for detecting and counting red blood cells at the constriction of the microfluidic channel.05-26-2011
20110271747Method and apparatus for integrated measurement of the mass and surface charge of discrete microparticles using a suspended mirochannel resonator - Measurements of the mass and surface charge of microparticles are employed in the characterization of many types of colloidal dispersions. The suspended microchannel resonator (SMR) is capable of measuring individual particle masses with femtogram resolution. The high sensitivity of the SMR resonance frequency to changes in particle position in the SMR channel is employed to determine the electrophoretic mobility of discrete particles in an applied electric field. When an oscillating electric field is applied to the suspended microchannel, the transient resonance frequency shift corresponding to a particle transit can be analyzed to extract both the buoyant mass and electrophoretic mobility of each particle. These parameters, together with the mean particle density, can be used to compute the size, absolute mass, and surface charge of discrete particles.11-10-2011

Thomas P. Burg, Goettingen DE

Patent application numberDescriptionPublished
20100154535Method and apparatus for trapping single particles in microfluidic channels - Methods and apparatus for improving measurements of particle or cell characteristics, such as mass, in Susppended Microchannel Resonators (SMR's). Apparatus include in particular designs for trapping particles in SMR's for extended measurement periods. Methods include techniques to provide differential measurements by varying the fluid density for repeated measurements on the same particle or cell.06-24-2010

Wilfried Burg, Grob-Gerau DE

Patent application numberDescriptionPublished
20110311465Oxidizing Composition for the Treatment of Keratin Fibers - The present invention relates to an oxidizing composition for treatment of keratin fibers comprising a combination of; (a) at least one anionic associative copolymer, (b) at least one anionic non associative copolymer; (c) at least one peroxide agent; (d) at least one persulfate agent; (e) at least on alkalizing agent; and (f) a carrier medium suitable for hair treatment.12-22-2011

Yaron Burg, Yehud IL

Patent application numberDescriptionPublished
20110107153SYSTEM AND METHOD FOR MONITORING EXPLORATORY TESTING BY A PLURALITY OF TESTERS - A system and method for monitoring exploratory testing by a plurality of testers of software containing a graphical user interface is disclosed. The method includes recording interactions of each of the plurality of testers with a graphical user interface (GUI) under test. The recorded interactions of each tester can be stored in an interaction database. An interaction footprint map is created from the interaction database to show which portions of the GUI under test have had interaction with at least one of the testers. The interaction footprint map is displayed in relation to the GUI for at least one end user.05-05-2011