Abstract: To determine an AC insulation resistance between the AC connections of an inverter and a ground potential, the AC connections are connected to an AC energy sink in an emergency standby operation in order to transmit energy from a DC energy source to an AC energy sink and an insulation test is performed in emergency standby operation. An AC fault current flowing between an AC connection and the ground potential is determined, and the AC insulation resistance is calculated from the AC fault current.

Abstract: An arrangement has an adjustable face shield and a face shield holding mechanism for connection to a headgear base body as well as an adjustable object holding device associated with the face shield. The object holding device has a coupling mechanism for coupling to the headgear base body and an object holding mechanism arranged on the coupling mechanism, and is swivelable in its entirety about a first axis. The face shield and the object holding device is adjustable independently of each other. The first axis coincides with a face shield adjustment axis.

Abstract: A method for commissioning a door system with the door system having door components, with at least one door component being designed as a control unit, with the method including the following steps: storing an electronic configuration of the door system in the control unit and/or a mobile terminal, and carrying out at least one commissioning step by the electronic configuration.

Abstract: A method for preparing for the start-up of a control unit for access devices, wherein at least one access device is communicatively connected to the control unit, wherein the control unit has a communication interface for information technology communication with a mobile terminal and/or has an input device for detecting an input from an installer or is in communicative connection with an input device for detecting an input from an installer. The method includes: a) detecting, using the control unit, an information technology signal or a change in an existing information technology continuous signal of a mobile terminal by the communication interface, and/or detecting an input from an installer using the input device, b) sending a trigger signal from the control unit to the access device, c) receiving the trigger signal using the access device, and d) performing an action using the access device depending on the received trigger signal.

Abstract: A method for commissioning a door system, with the door system having at least one door component, with the commissioning including the following method step carrying out an electronically defined test process of the door system wherein the test process includes test steps and/or test functions, wherein the sequence of the test steps and/or test functions is stored electronically in the test process, wherein the test process is defined for a preconfigured door system type.

Abstract: A method for commissioning a door system with the door system having door components, with at least one door component being designed as a control unit, with the method including the following steps: storing an electronic configuration of the door system in the control unit and/or a mobile terminal, and carrying out at least one commissioning step by the electronic configuration.

Abstract: A photovoltaic system comprising an inverter adapted to convert a DC power supplied by photovoltaic modules of a photovoltaic generator via power cables to said inverter into an AC current for an AC power supply grid, wherein the inverter has a base station connected by means of the power cables to the module level devices which are provided to monitor and/or to control associated photovoltaic modules of the photovoltaic generator, wherein if the inverter does not receive sufficient energy from the photovoltaic generator and the AC power supply grid, a controller is adapted to activate a deadlock prevention mode of an energy supply unit connected to the inverter where the inverter receives energy from the energy supply unit such that the base station of the inverter is able to continue to transmit permission to operate, PTO, signals via the power cables to the module level devices of the photovoltaic generator.

Abstract: Glasses have a lens arrangement, a glasses frame, and at least one pivot point for joining together the lens arrangement and the glasses frame by pivoting them relative to one another, wherein the glasses frame has a nose support device for support against a nose of a glasses wearer, and wherein the lens arrangement has a nose support device receptacle which, in the joined-together state of the lens arrangement and the glasses frame, receives the nose support device.

Abstract: A goggle lens comprises a main body and at least one transparent, electrically conductive coating that covers the main body at least partly, as well as electrical contact means which cover the at least one coating partly and are in electrical connection with the at least one coating and also form at least one electrical heating zone.

Abstract: An alloy with the composition (in mass-%): C: max. 0.02%; S: max. 0.01%; N: max. 0.03%; Cr: 20.0-23.0%; Ni: 39.0-44.0%; Mn: 0.4-<1.0%; Si: 0.1-<0.5%; Mo: >4.0-<7.0%; Nb: max. 0.15%; Cu: >1.5-<2.5%; Al: 0.05-<0.3%; Co: max. 0.5%; B: 0.001-<0.005%; Mg: 0.005-<0.015%; Fe: the rest, as well as smelting related impurities, is further processed as an alloyed solid in the form of wire, strip, rod or powder via the molten phase and is used in the field of wet corrosion applications in the oil and gas as well as the chemical industry.

Abstract: To determine an AC insulation resistance between the AC connections of an inverter and a ground potential, the AC connections are connected to an AC energy sink in an emergency standby operation in order to transmit energy from a DC energy source to an AC energy sink and an insulation test is performed in emergency standby operation. An AC fault current flowing between an AC connection and the ground potential is determined, and the AC insulation resistance is calculated from the AC fault current.

Abstract: A nickel-based alloy for powder has the contents (in wt. %): C 0.01-0.5%, S max. 0.5%, in particular max. 0.03%, Cr 20-25%, Ni radical Mn max. 1%, Si max. 1%, Mo up to 10%, Ti 0.25-0.6%, Nb up to 5.5%, Cu up to 5%, in particular up to 0.5%, Fe up to 25%, P max. 0.03%, in particular max. 0.02%, Al 0.8-1.5%, V max. 0.6%, Zr max. 0.12%, in particular max. 0.1%, Co up to 15%, B 0.001-0.125% O >0.00001-0.1% and impurities dependent on production. The carbon to boron ratio (C/B) is between 4 and 25.

Abstract: A portable electronic device is disclosed comprising data processing means and a data repository containing: data records representative of locations relevant to or within a digital map; and data representative of an index associating words contained in the data records with the records in which those words appear. The device further comprises means for, in relation to a received search query including a search string, processing the search string to provide one or more search words; querying the index to identify data records containing the or each search word; and generating a rank for each of the one or more identified data records indicative of the relevance of each identified data record to the search query.

Abstract: A welding filler material includes (in wt.-%): C 0.01-0.05%; N 0.05-0.10%; Cr 20.0-23.0 %; Mn 0.25-0.50 %; Si 0.04-0.10 %; Mo 8.0-10.5 %; Ti 0.75-1.0 %; Nb 3.0-5.0%; Fe max. 1.5%; Al 0.03-0.50%; W 4.0-5.0%; Ta max. 0.5%; Co max. 1.0%; Zr 0.10-0.70% Ni remainder; and impurities resulting from the smelting process.

Abstract: Alloy with the composition (in wt. %) Ni 33.5-35.0%, Cr 26.0-28.0%, Mo 6.0-7.0%, Fe<33.5%, Mn 1.0-4.0%, Si<0.1%, Cu 0.5-1.5%, Al 0.01%-0.3%, C<0.01%, P<0.015%, S<0.01%, N 0.1-0.25%, B 0.001-0.004%, Se>0-1.0%, if required W<0.2%, Co<0.5%, Nb<0.2%, Ti<0.1%, and impurities from the melting process, is used as a welding-plating material in the area of thermal processing systems, in particular rubbish, biomass, sewage sludge and substitute fuel systems, wherein, after the build-up welding, in the operationally stressed state in a fully austenitic structural matrix, the welding-plating material forms a sigma phase and other hard particles in the weld material microstructure in a targeted manner.

Abstract: A photovoltaic system comprising an inverter adapted to convert a DC power supplied by photovoltaic modules of a photovoltaic generator via power cables to said inverter into an AC current for an AC power supply grid, wherein the inverter has a base station connected by means of the power cables to the module level devices which are provided to monitor and/or to control associated photovoltaic modules of the photovoltaic generator, wherein if the inverter does not receive sufficient energy from the photovoltaic generator and the AC power supply grid, a controller is adapted to activate a deadlock prevention mode of an energy supply unit connected to the inverter where the inverter receives energy from the energy supply unit such that the base station of the inverter is able to continue to transmit permission to operate, PTO, signals via the power cables to the module level devices of the photovoltaic generator.

Abstract: The invention relates to a biaxially oriented polypropylene film (BOPP) comprising layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polypropylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) contains polymers with functional groups that are capable of forming covalent bonds with polyurethane and is directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the film, and layer (D) represents an outer layer of the film containing an anti-blocking agent. The invention also relates to a method for producing films of this type.

Abstract: For improving the safety of optical measurements performed with an apparatus comprising a set of light sources and detectors controlled by an electronic unit for measuring an optical or physiological parameter in a scattering medium, in particular human tissue, based on a set of measurement wavelengths, it is suggested that the apparatus features at least one optical contact detector, for example in the form of a photodiode or a light sensitive end facet of an optical fiber or the like, for measuring a detection light quantity resulting from a detection wavelength, and wherein the apparatus issues an alarm signal, in case the measured detection light quantity indicates a low optical coupling efficiency between the apparatus and the medium.

Abstract: A portable electronic device is disclosed comprising: data processing means; data repository containing data representative of a digital map; and display means. The device further comprises means for, in relation to data representative of a plurality locations relevant to the digital map, providing, on a representation of the digital map displayed on the display, for each of the locations, one of a plurality of different graphical user interface (GUI) elements characterised by different prominence levels to indicate the locations, wherein the prominence level of the GUI element used for each location is dependent on the level of detail at which the digital map is displayed and a deemed relevance of that location to a user query.

Abstract: A nickel-based alloy for powder has the contents (in wt.%): C 0.01-0.5%, S max. 0.5%, in particular max. 0.03%, Cr 20-25%, Ni radical Mn max. 1%, Si max. 1%, Mo up to 10%, Ti 0.25-0.6%, Nb up to 5.5%, Cu up to 5%, in particular up to 0.5%, Fe up to 25%, P max. 0.03%, in particular max. 0.02%, Al 0.8-1.5%, V max. 0.6%, Zr max. 0.12%, in particular max. 0.1%, Co up to 15%, B 0.001-0.125% O >0.00001-0.1% and impurities dependent on production. The carbon to boron ratio (C/B) is between 4 and 25.