Lau, DE
Adrew Manson Lau, Spaichingen DE
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20100064556 | COMBINATION DEVICE FOR SNOW THROWING, MOWING, SCARIFYING, SOIL BREAKING OR THE LIKE - A combination device ( | 03-18-2010 |
Berndt-Joachim Lau, Jena DE
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20110013275 | OBJECTIVE CHANGER HAVING REFLECTED LIGHT ILLUMINATION FOR LIGHT MICROSCOPES - The invention relates to an objective changer having incident-light illumination for light microscopes, comprising: at least two microscope objectives for the purpose of examining a specimen, a movable carrier, on which the microscope objectives are mounted, an immovable carrier, which is adapted for mounting on a base body of the microscope, wherein said movable carrier is adapted for defined positioning thereof relatively to said immovable carrier, and at least one illuminating means for illuminating the specimen. The objective changer is characterized in that at least one transfer interface for transferring energy for illuminating the specimen is provided on the immovable carrier, at least one energy connector, which is rigidly connected to the movable carrier, is provided for receiving energy to illuminate the specimen, the energy connector is connected to an illuminating means, and by positioning the movable carrier relatively to the immovable carrier, a line engagement can be established between the transfer interface and an energy connector. | 01-20-2011 |
Carsten Lau, Niedersachsen DE
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20110069174 | AUTHENTICATION APPARATUS FOR VALUE DOCUMENTS - A value document authentication apparatus and system that includes value document substrates having a uniform distribution of one or more phosphors that emit infrared radiation in one or more wavelengths, which can be measured at the same location on the value document that is illuminated by a phosphor exciting light source when the document passes the light source with a uniform velocity. The illumination and measurement locations on the value document can be offset. The measured infrared radiation as a series of overlapped measurements along a pre-selected track in the value document represents an intensity profile, which can be normalized after removing high variations. The normalized intensity profile of a test value document can be compared with normalized intensity profile from valid reference documents to authenticate the test value document. | 03-24-2011 |
20110087440 | AUTHENTICATION SYSTEMS FOR DISCRIMINATING VALUE DOCUMENTS BASED ON VARIABLE LUMINESCENCE AND MAGNETIC PROPERTIES - A value document authentication system comprising a value document substrate having a luminescent compound disposed on or in at least a portion of the value document substrate, wherein the luminescent compound (i) comprises a host lattice having at least one metallic ion with magnetic properties and is doped with at least one rare earth ion capable of emitting infrared radiation with at least one distinct infrared wavelength when excited with an exciting light source having sufficient energy to excite emission from the luminescent compound and (ii) has a pre-determined ratio of metallic ions to rare earth ions such that the ratio corresponds to a parameter of a pre-selected decision criteria, both of which properties are measured at the same location on the value document and used to authenticate the value document. | 04-14-2011 |
20110121203 | AUTHENTICATION APPARATUS FOR MOVING VALUE DOCUMENTS - An authentication apparatus used to authenticate a moving value document with uniform or non-uniform distribution of a pre-selected covert composition that includes an active ion that emits optical radiation at a pre-selected wavelength when excited by exciting incident light. The optical radiation is imaged onto at least one photodetector having first and second detector elements. The imaged intensities are captured at pre-determined times relating to the velocity of the value document. The ratio between the second detector element and the first detector element measured at the same image location or different image locations represents the characteristic decay time intensity data of the pre-selected wavelength emission. The authenticity of the value document is rejected when the pre-selected wavelength emission is not received by the at least one photodetector or when the output electronic signal ratio does not meet expected value. | 05-26-2011 |
20110147614 | REFRACTIVE INDEX MATCHED PHOSPHORS AND SUBSTRATES FOR SECURITY APPLICATIONS - Phosphor compositions are provided that can be incorporated into or onto plastic substrates as covert security features. The plastic substrates can be transparent and the phosphor compositions have a refractive index that effectively matches the refractive index of the plastic substrate to maintain the transparency. The phosphor compositions have absorption in the infrared, thus enabling excitation and detection of the compositions with an infrared emitting source. | 06-23-2011 |
Carsten Lau, Garbsen DE
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20110146930 | CONTROLLING THE DETECTABILITY OF AN ARTICLE AND METHOD FOR AUTHENTICATING THE ARTICLE - Cascading phosphors are described herein that produce emissions when they are excited by incident radiation. The cascading phosphors can be applied to articles, and can be useful in authenticating the article. The cascading phosphors include a host and at least three active ions. | 06-23-2011 |
20110147450 | METHOD AND AUTHENTICATION APPARATUS FOR AUTHENTICATING VALUE DOCUMENTS - Taggants can be incorporated into or onto value documents. The taggants comprise a crystalline taggant doped with two rare earth ions. The substrate or printed matter into which the taggant can be incorporated has a minimal absorption infrared wavelength window and the taggant is excited by incident infrared radiation in this wavelength range. Suitable first rare earth ions function as efficient broad band absorbers of incident infrared radiation and passes energy non-radiatively to a second rare earth ion, which the emits infrared radiation at a wavelength greater than the incident infrared radiation. The emitted infrared radiation is also in the minimal absorption transmission window of the printed matter or the substrate into which the taggant is incorporated. Methods of authenticating the value document include detection of the emitted radiation at pre-determined values. | 06-23-2011 |
20120104256 | VALUE DOCUMENTS AND OTHER ARTICLES HAVING TAGGANTS THAT EXHIBIT DELAYED MAXIMUM INTENSITY EMISSIONS, AND METHODS AND APPARATUS FOR THEIR AUTHENTICATION - Value documents or other articles having authentication features, authentication apparatuses, and methods of authentication are provided that relate to the use of taggants that absorb radiation from an illumination source and emit radiation in a manner that has a maximum intensity occurring a duration of time after the illumination source has been switched off. The taggants include a crystalline composition comprising a host crystal lattice doped with a first rare earth active ion, and in some examples a second rare earth active ion. | 05-03-2012 |
20130015369 | METHODS AND APPARATUS FOR AUTHENTICATING ARTICLES WITH LUMINESCENT PHOSPHOR COMPOUNDS - Methods and apparatus for article authentication include an exciting radiation generator that exposes an area of the article to exciting radiation, and at least two radiation detectors that detect emitted radiation from the area in a first band and in a second band that does not overlap the first band. The first band corresponds with a first emission sub-band of an emitting ion, and the second band corresponds with a second emission sub-band of the same emitting ion. A processing system calculates a comparison value that represents a mathematical relationship (e.g., a ratio) between a first intensity of the emitted radiation in the first band with a second intensity of the emitted radiation in the second band, and determines whether the comparison value compares favorably with an authentication parameter. When the comparison value compares favorably with the authentication parameter, the article is identified as being authentic. | 01-17-2013 |
20130015651 | LUMINESCENT PHOSPHOR COMPOUNDS, ARTICLES INCLUDING SUCH COMPOUNDS, AND METHODS FOR THEIR PRODUCTION AND USE - Embodiments include luminescent phosphor compounds that include one or more emitting ions and one or more disturbing ions, and methods for their production. An emitting ion in the compound may be characterized by a first decay time constant when the emitting ion is undisturbed. However, a corresponding disturbing ion in the compound, which is different from the emitting ion, causes the emitting ion to have a pre-defined, target disturbed decay time constant that is greater than zero and less than the first decay time constant. An embodiment of an authentication system is configured to measure the decay time constant of a phosphor compound applied to an article, and to determine whether the decay time constant corresponds to a phosphor compound that includes a particular disturbing ion (e.g., in order to determine whether or not the article is authentic). | 01-17-2013 |
20130119274 | LUMINESCENT BORATES, MATERIALS AND ARTICLES INCORPORATING SUCH BORATES, AND METHODS AND APPARATUS FOR THEIR PRODUCTION AND USE IN ARTICLE AUTHENTICATION - Embodiments include luminescent materials and associated production methods. The material includes a crystal borate having a first substitutable element, neodymium substituted for the first substitutable element at a first substitution percentage of at least about 20 percent, and ytterbium substituted for the first substitutable element at a second substitution percentage. The material also may include chromium substituted for a second substitutable element. The material also may include a medium within which particles of the borate are incorporated. The medium, with the luminescent material particles, may form a security feature of an article. Embodiments of methods for identifying whether such a luminescent material is incorporated with an article include exposing a portion of the article to excitation in a chromium absorption band, and determining whether a detected emission produced by the article as a result of the excitation indicates an ytterbium emission after termination of the exposing step. | 05-16-2013 |
20130122266 | LUMINESCENT BORATES, MATERIALS AND ARTICLES INCORPORATING SUCH BORATES, AND METHODS AND APPARATUS FOR THEIR PRODUCTION AND USE IN ARTICLE AUTHENTICATION - Embodiments include luminescent materials and associated production methods. The material includes a crystal borate having a first substitutable element and a second substitutable element, one or more rare earth ions substituted for the first substitutable element, and chromium substituted for the second substitutable element. The one or more rare earth ions are selected from a group consisting of neodymium and ytterbium. The material also may include a medium within which particles of the borate are incorporated. The medium, with the luminescent material particles, may form a security feature of an article. Embodiments of methods for identifying whether such a luminescent material is incorporated with an article include exposing a portion of the article to excitation in a chromium absorption band, and determining whether a detected emission produced by the article as a result of the excitation indicates an ytterbium emission after termination of the exposing step. | 05-16-2013 |
20130181144 | ARTICLES INCORPORATING THERMOGRAPHIC PHOSPHORS, AND METHODS AND APPARATUS FOR AUTHENTICATING SUCH ARTICLES - Embodiments include methods and apparatus for identifying a thermographic phosphor (e.g., Er:YIG) incorporated on or within an article. The method and apparatus embodiments include an excitation energy generator selectively exposing the article to excitation energy in an absorption band of the thermographic phosphor. An emitted radiation detector detects first emission characteristics of first emitted radiation from the article within an emission band of the thermographic phosphor when the article has a first temperature, and detects second emission characteristics of second emitted radiation from the article within the emission band when the article has a second temperature that is different from the first temperature. A temperature adjustment element is configured to adjust the temperature of the article. Embodiments further include a processing system determining whether the first emission characteristics are sufficiently different from the second emission characteristics. | 07-18-2013 |
Carsten Lau, Niedersachen DE
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20140021369 | ARTICLES, METHODS OF VALIDATING THE SAME, AND VALIDATION SYSTEMS EMPLOYING DECAY CONSTANT MODULATION - Articles, methods of validating the articles, and validating systems are provided herein. In an embodiment, an article includes a substrate and a security feature on the substrate. The security feature includes a first region that has a first ink composition and a second region that has a second ink composition. The first ink composition includes a first luminescent phosphor and the second ink composition includes a second luminescent phosphor that is different from the first luminescent phosphor. The first luminescent phosphor and the second luminescent phosphor have indistinguishable excitation energy wavelengths, indistinguishable emission wavelengths, and distinguishable temporal decay properties. | 01-23-2014 |
Carsten Lau, Hannover DE
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20140151997 | LUMINESCENT BORATES, LUMINESCENT MATERIALS AND ARTICLES INCORPORATING SUCH BORATES - Luminescent borates, luminescent materials, and articles incorporating such borates are provided herein. An embodiment of a luminescent borate includes a host borate that has a B | 06-05-2014 |
20150115177 | COLD-WORKED METAL ARTICLES INCLUDING LUMINESCENT PHOSPHOR PARTICLES, METHODS OF FORMING THE SAME, AND METHODS OF AUTHENTICATING THE SAME - Cold-worked metal articles, methods of forming cold-worked metal articles, and methods of authenticating cold-worked metal articles are provided. In an embodiment, a cold-worked metal article includes a cold-worked metal-containing surface that defines pores. The cold-worked metal-containing surface includes luminescent phosphor particles disposed within the pores. The luminescent phosphor particles include a host crystal lattice material and at least one active ion that includes an absorbing ion and an emitting ion that is different from the absorbing ion. The luminescent phosphor particles are harder than the cold-worked metal-containing surface. | 04-30-2015 |
Christian Lau, Heimenkirch DE
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20140150377 | THERMO-FORMING PACKAGING MACHINE WITH TRUE-TO-CYCLE POSITIONING OF A SEALING STATION - The invention relates to a thermo-forming packaging machine and a method which are characterized in that the location of trays in a base film upstream of a sealing station is detected by a measuring system and that the sealing station is immediately subsequently positioned such as to allow a top film to be sealed with highest accuracy matching the tray and thereby to be able to compensate for irregularities and tolerances, for example, in the film feed, in a true-to-cycle manner. | 06-05-2014 |
20150135650 | THERMO-FORMING PACKAGING MACHINE WITH ADJUSTABLE CHAIN GUIDE - The invention relates to a thermo-forming packaging machine and a method for automatic adjustment of chain guides in order to be able to change over in certain sections between chain guides being aligned parallel and converging to each other so that both shrinkable as well as non-shrinkable lower films can be processed on only one thermo-forming packaging machine. | 05-21-2015 |
Florian Lau, Grunenbach DE
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20110079297 | Servo Valve - The present invention relates to a two-stage electrohydraulic servo valve with a first stage, which operates as pilot stage and includes a movable nozzle tube, and a second stage which operates as power stage, wherein the nozzle tube of the pilot stage is guided by means of a torsion element and the oil supply of the movable nozzle tube is integrated in the torsion element. | 04-07-2011 |
Frank Lau, Bad Aibling DE
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20140252498 | METHOD FOR FABRICATING A FIELD EFFECT TRANSISTOR, AND FIELD EFFECT TRANSISTOR - In a method for fabricating a field effect transistor, a first source/drain region and a second source/drain region are formed in a substrate. A channel region is formed between the first source/drain region and the second source/drain region. A gate region is formed on the channel region. Micro-cavities are formed in the substrate at least below the channel region, and the micro-cavities are oxidized. | 09-11-2014 |
Hannes Lau, Hamburg DE
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20130275907 | VIRTUAL KEYBOARD - A method of providing an interface comprising receiving contact information indicative of points of contact between fingers of at least one hand and a surface. The method further comprising mapping onto the surface a plurality of interface elements each corresponding to a key on a keyboard, each element being assigned to one of a plurality of groups, each group having an associated one of the fingers for activation of the elements in the group, wherein each group is mapped to the surface in accordance with contact information for the associated finger. Another aspect of the inventive include recurrently receiving the contact information and recurrently mapping each group to the surface in accordance with the contact information for the associated finger so that the group tracks the resting position of the associated finger. | 10-17-2013 |
Marcus Lau, Essen DE
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20140171523 | METHOD FOR MANUFACTURE OF PURE, CARBON FREE NANOPARTICLES - The invention provides a process for the production of nanoparticles as well as a device that is disposed for the production of the nanoparticles. The process is especially characterized in that the nanoparticles are pure, especially free from organic carbon compounds, preferably carbon-free, and are obtained continuously. The nanoparticles which are obtainable by the process of the invention are characterized in that they are present without an organic ligand in suspension and are especially preferred stable as a suspension against agglomeration, wherein the medium having the particles suspended therein is free from organic carbon compounds, especially carbon-free. | 06-19-2014 |
Markus Lau, Duisburg DE
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20130014591 | VORTEX FLOWMETER, PRESSURE SENSOR FOR A VORTEX FLOWMETER AND METHOD FOR PRODUCING SUCH A PRESSURE SENSORAANM FERNANDES; Neville C.AACI PuneAACO INAAGP FERNANDES; Neville C. Pune INAANM KRISCH; HenrikAACI KrefeldAACO DEAAGP KRISCH; Henrik Krefeld DEAANM LAU; MarkusAACI DuisburgAACO DEAAGP LAU; Markus Duisburg DEAANM TOURNILLON; SylvainAACI DuisburgAACO DEAAGP TOURNILLON; Sylvain Duisburg DE - A vortex flowmeter having a measuring tube through which a medium can flow, a bluff body in the measuring tube and a pressure sensor in the effective range of the bluff body. The pressure sensor has a deflectable measuring diaphragm for determining the pressure in the medium neighboring the measuring diaphragm, at least one optical fiber being arranged on and/or in the measuring diaphragm for detecting the deflection of the measuring diaphragm. The optical fiber is at least partially effectively connected to the measuring diaphragm along its length so that a deflection of the measuring diaphragm caused by the medium pressure leads to an extension and/or compression of the optical fiber. The pressure sensor has a pocket that can be deflected by the pressure of the medium and which surrounds the measuring diaphragm and optical fiber to protect them from the medium. The measuring diaphragm is deflected with the pocket. | 01-17-2013 |
Matthias Lau, Berlin DE
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20090009084 | High-Pressure Discharge Lamp - The invention relates to a high-pressure discharge lamp having a discharge vessel ( | 01-08-2009 |
Matthias Lau, Dresden DE
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20110001968 | Spectrometer Measuring Head For Analyzing Characteristic Variables of Liquid, Pasty Or Solid Substances - The invention relates to spectrometer measuring heads ( | 01-06-2011 |
Michael Lau, Hamburg DE
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20150136907 | Deployable barrier arrangement for selectively blocking a passage in an aircraft cabin - A deployable barrier arrangement for selectively blocking a passage in an aircraft cabin, wherein the barrier arrangement comprises a substantially longitudinal barrier member and a joint unit for fixing the barrier member to an inner wall of the aircraft cabin. The joint unit is configured to allow for a movement of the barrier member between a stowed position in which the barrier member extends substantially parallel to the inner wall of the aircraft cabin and a deployed position in which the barrier member extends at an angle of approximately 60° to 120° to the inner wall of the aircraft cabin. The joint unit is further configured to allow for a rotational movement of the barrier member about a longitudinal axis of the barrier member. | 05-21-2015 |
Michael Lau, Chemnitz DE
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20140237984 | Device and Method for Producing Knitted Fabric - The invention relates to a device for producing knitted fabric comprising a knitting machine and at least one roving drawing and strengthening unit. The at least one roving drawing and strengthening unit has a roving supply unit, by means of which a roving can be provided in the form of a fiber bundle that has not been strengthened, a stretching unit, to which the roving can be fed in a roving conveying direction in the form of at least one sliver, and a spinning nozzle device, by means of which compressed air can he applied to a drawn roving exiting the stretching unit in a fiber strengthening segment. The invention further relates to methods for producing knitted fabric by means of a knitting machine and at least one roving drawing and strengthening unit. By means of the at least one roving drawing and strengthening unit, a roving is provided by a roving supply unit in the form of a fiber bundle that has not been strengthened, the roving is fed in a roving conveying direction in the form of at least one sliver, the roving is drawn by the stretching unit, and compressed air is applied to the drawn roving exiting the stretching unit by a spinning nozzle device in a fiber strengthening segment and said roving is thus strengthened. | 08-28-2014 |
Mike Lau, Stuttgart DE
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20100132357 | INTERNAL COMBUSTION ENGINE SYSTEM - The invention relates to an internal combustion engine system ( | 06-03-2010 |
Simon Lau, Alzenau DE
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20080295773 | SUBSTRATE SUPPORT, SUBSTRATE PROCESSING DEVICE AND METHOD OF PLACING A SUBSTRATE - A substrate support for supporting a substrate in a processing chamber comprises a frame for carrying the substrate, at least a first fastening means fixedly attached to the frame for aligning the substrate relative to the frame, and at least a second fastening means movably attached to the frame, the second fastening means being movable relative to the frame and/or the substrate. Furthermore, a processing device comprises an edge exclusion projecting over a portion of the surface of the substrate in order to prevent processing of the portion of the surface of the substrate. A part of the edge exclusion may be moved into a gap between the edge(s) of the substrate and the frame element of the substrate support to form a labyrinth seal between the frame element and the edge of the substrate. A method of placing the substrate on the substrate support is also disclosed. | 12-04-2008 |
20130055953 | SUBSTRATE SUPPORT, SUBSTRATE PROCESSING DEVICE AND METHOD OF PLACING A SUBSTRATE - A substrate support for supporting a substrate in a processing chamber comprises a frame for carrying the substrate, at least a first fastening means fixedly attached to the frame for aligning the substrate relative to the frame, and at least a second fastening means movably attached to the frame, the second fastening means being movable relative to the frame and/or the substrate. Furthermore, a processing device comprises an edge exclusion projecting over a portion of the surface of the substrate in order to prevent processing of the portion of the surface of the substrate. A part of the edge exclusion may be moved into a gap between the edge(s) of the substrate and the frame element of the substrate support to form a labyrinth seal between the frame element and the edge of the substrate. A method of placing the substrate on the substrate support is also disclosed. | 03-07-2013 |
Wilma Lau, Muenchen DE
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20110293613 | BISPECIFIC ANTIBODIES - The present invention relates to bispecific antibodies, methods for their production, pharmaceutical compositions containing said antibodies, and uses thereof. | 12-01-2011 |
20120214200 | PROKARYOTIC EXPRESSION CONSTRUCT - A pro-polypeptide which is useful for the expression of a polypeptide of interest in a prokaryotic cell. Therefore the pro-polypeptide is fused to the N-terminus of the polypeptide of interest. The pro-polypeptide as reported herein provides for improved expression yields and improves the handling of the fusion polypeptide (downstream processing, purification). For example, efficient endotoxin removal is effected while the protein of interest comprising the pro-polypeptide is bound e.g. to an affinity chromatography material. Thereafter the pro-polypeptide can efficiently be cleaved from the polypeptide of interest by the incorporated protease cleavage site with the cognate protease. | 08-23-2012 |
20150056656 | METHOD FOR REDUCTION OF 1->2 READING FRAME SHIFTS - Herein is reported a method for the recombinant production of a polypeptide, which comprises the dipeptide AR, characterized in that the method comprises the recovering of the polypeptide from the cells or the cultivation medium of a cultivation of a cell comprising a nucleic acid encoding the polypeptide and thereby producing the polypeptide, whereby the dipeptide AR comprised in the polypeptide is encoded by the oligonucleotide gca cgt, or the oligonucleotide gcg cgt, or the oligonucleotide gcc cgt. | 02-26-2015 |
20150064746 | METHOD FOR REDUCTION OF 1->3 READING FRAME SHIFTS - Herein is reported a method for the recombinant production of a polypeptide, which comprises the tripeptide QKK, characterized in that the method comprises the step of recovering the polypeptide from the cells or the cultivation medium of a cultivation of a cell comprising a nucleic acid encoding the polypeptide and thereby producing the polypeptide, whereby the tripeptide QKK comprised in the polypeptide is encoded by the oligonucleotide cag aaa aaa or the oligonucleotide caa aag aaa. | 03-05-2015 |