Abstract: A device is proposed for attaching a coupling device to a free-floating object, for example free-floating articles or free-floating persons. The device has: at least one first connection end, which can be connected to a load-receiving end of a lifting device; a coupling device for attachment to a free-floating object; a load-receiving connection between the first connection end and the coupling device; and a guiding device, which is separate from the load-receiving connection, connects the first connection end to the coupling device and is designed to guide the coupling device relative to the first connection end.

Abstract: A device and a method for detecting deposits in a membrane module which produces a permeate and which comprises at least one permeable or semipermeable membrane layer. At least one polymer optical fiber for detecting deposits on the membrane layer is integrated in the membrane module such that the polymer optical fiber is in contact with at least one membrane layer. A method of detecting deposits in a membrane module producing a permeate and to a membrane module for producing a permeate from a feed stream of a fluid, in particular an aqueous solution, with the membrane module comprising a plurality of adjacently disposed or stacked sheets of a permeable or semipermeable membrane layer and with at least one polymer optical fiber being embedded or integrated in the membrane module, which polymer optical fiber is in contact with at least one sheet of the membrane layer.

Abstract: Methods (C) for converting a data signal (U), comprising processes of (i) providing an input symbol stream (IB) of input symbols (IBj), the input symbol stream (IB) being representative for the underlying data signal (U) to be converted, and (ii) applying a distribution matching process to consecutive partial input symbol sequences (IBk) of a number of k consecutive input symbols (IBj) covering said input symbol stream (IB). The distribution matching process (DM) generates and outputs a final output symbol stream (OB) of consecutive output symbols (OBj) or a preform thereof, wherein the distribution matching process (DM) is based on and/or comprises a family ((ƒi)i?{0, 1, . . . , n-1}) of a number (n) of distribution matching functions (ƒi), the action of the distribution matching process (DM) is achieved by acting with one of said distribution matching functions (ƒi) selected from said family ((ƒi)i?{0, 1, . . .

Abstract: A method (C) for converting a data signal (U). The method comprises processes of (i) providing an input bit stream (IB) of input bits (IBj), the input bit stream (IB) being representative for the underlying data signal (U) to be converted, and (ii) applying to consecutive disjunct partial input bit sequences (IBk) of a number of k consecutive input bits (IBj) covering said input bit stream (IB) a distribution matching process (DM) to generate and output a final output bit stream (OB) or a preform thereof. The distribution matching process (DM) is formed by a quadrant constellation shaping process (QS) and configured to map a respective partial input bit sequence (IBk) to a constellation point of a four-dimensional 24·m-QAM constellation—in particular conveying two distinct polarizations for each of an in-phase and a quadrature component—with I and m being fixed natural numbers and with k and m fulfilling the relation 4·m?k.

Abstract: Disclosed is a biosignal acquisition device for the acquisition, in particular the concurrent or simultaneous acquisition, of optical and electrical biosignals. The optical and electrical biosignals are both received by an analog front end device for biosignals, with an opto-electric converter for converting the optical biosignals into electrical signals. Also disclosed are a system of a plurality of biosignal acquisition devices and a biosignal acquisition method.

Abstract: Communication systems and methods in accordance with various embodiments of the invention utilize modulation on zeros. Carrier frequency offsets (CFO) can result in an unknown rotation of all zeros of a received signal's z-transform. Therefore, a binary MOCZ scheme (BMOCZ) can be utilized in which the modulated binary data is encoded using a cycling register code (e.g. CPC or ACPC), enabling receivers to determine cyclic shifts in the BMOCZ symbol resulting from a CFO. Receivers in accordance with several embodiments of the invention include decoders capable of decoding information bits from received discrete-time baseband signals by: estimating a timing offset for the received signal; determining a plurality of zeros of a z-transform of the received symbol; identifying zeros from the plurality of zeros that encode received bits by correcting fractional rotations resulting from the CFO; and decoding information bits based upon the received bits using a cycling register code.

Abstract: Systems and methods for transmitting data using various Modulation on Zeros schemes are described. In many embodiments, a communication system is utilized that includes a transmitter having a modulator that modulates a plurality of information bits to encode the bits in the zeros of the z-transform of a discrete-time baseband signal. In addition, the communication system includes a receiver having a decoder configured to decode a plurality of bits of information from the samples of a received signal by: determining a plurality of zeros of a z-transform of a received discrete-time baseband signal based upon samples from a received continuous-time signal, identifying zeros that encode the plurality of information bits, and outputting a plurality of decoded information bits based upon the identified zeros.

Abstract: Radically polymerizable silane according to the general formula I in which R1 is a linear or branched aliphatic C1-C9-alkyl radical, phenyl or alkylated phenyl radical, R2, R3 independently of each other in each case are absent or are a linear or branched aliphatic C1-C20-alkylene radical, which can be interrupted by S or O atoms, R4, R5, R6 independently of each other in each case are —Cl, —O—CH3, —O—C2H5, —CH3 or —C2H5, X is CH2 or O, Y is absent, or is O or NR?, wherein R? is H or a C1-5-alkyl radical, and Z is absent, or is O, NR?, —CO—O—, —CO—NR?—, —O—CO—O—, —O—CO—NR?—, or —NR?—CO—NR?—, wherein R? is H or a C1-5-alkyl radical and wherein the radicals R2 and R3 cannot be absent at the same time and Z is absent if R2 or R3 is absent, polycondensates based thereon and fillers surface-modified therewith.

Abstract: A disposable cartridge (20) for a peristaltic micro pump is disclosed. The cartridge comprises a housing (21) with an inlet connector (25) and an outlet connector (26). A fluid channel (23) extends in the housing (21) between the inlet and the outlet with a channel section (22) of the fluid channel (23) provided by a flexible tube (24). One or more openings are provided adjacent to the channel section (22) in the housing (21) allowing one or more pump engaging elements of a pump drive to engage the flexible tube (24), compressing the flexible tube (24) to pump fluid through the fluid channel (23). Sealing elements (31, 32) with double flange extensions (31a, 31b) having a first inner flange (31a, 32a) and a second outer flange (31b, 32b) are provided to seal at the connectors (25, 26) and fix the tube (24) in the housing (21).

Abstract: A photonic integrated circuit is disclosed comprising: a dielectric substrate (110); a dielectric waveguide arrangement (120) on the substrate (110) for guiding terahertz (THz) waves; and a local functionalization (130) having a metallization in a surface area of the dielectric waveguide arrangement (120). The metallization is localized along a propagation direction of the THz waves to allow a metallization-free propagation of the THz wave outside of the local functionalization.

Abstract: The application relates to an electrodynamic converter (1), comprising a coil (11), a claw disk (7) associated with the coil (11) and having a disk component (7a) that can be rotated about an axis of rotation and a disk component (7b) that is stationary relative thereto, comprising a further claw disk (8) associated with the coil (11) and having a disk component (8a) that can be rotated about the axis of rotation and a disk component (8b) that is stationary relative thereto, and comprising magnetic flux components, which have oppositely magnetized magnetic components (9, 10; 12, 13) and magnetic flux elements composed of soft magnetic material, of which at least some are associated with a magnetic flux through the claw disk (7) or a further magnetic flux through the further claw disk (8) during operation, which are formed in alternation as the rotatable disk component (7a) of the claw disk (7) and the rotatable disk component (8a) of the further claw disk (8) are rotated, wherein the magnet-flux-closing relat

Abstract: Communication systems and methods in accordance with various embodiments of the invention utilize modulation on zeros. Carrier frequency offsets (CFO) can result in an unknown rotation of all zeros of a received signal's z-transform. Therefore, a binary MOCZ scheme (BMOCZ) can be utilized in which the modulated binary data is encoded using a cycling register code (e.g. CPC or ACPC), enabling receivers to determine cyclic shifts in the BMOCZ symbol resulting from a CFO. Receivers in accordance with several embodiments of the invention include decoders capable of decoding information bits from received discrete-time baseband signals by: estimating a timing offset for the received signal; determining a plurality of zeros of a z-transform of the received symbol; identifying zeros from the plurality of zeros that encode received bits by correcting fractional rotations resulting from the CFO; and decoding information bits based upon the received bits using a cycling register code.

Abstract: A stereolithography device having a trough (2) for accommodating free-flowing, photopolymerizable material, a construction platform (4) suspended above the trough bottom on a lifting unit (6), and having a heating unit for heating the photopolymerizable material in the trough. The heating unit has a transparent, electrically conductive layer (33), which covers the entire area of at least the exposure region above the trough bottom, and which is provided outside the exposure region on opposing sides of the layer with electrical contacts (20) extended over the opposing sides, which are connected to a controlled electrical supplier to enable heating of the entire area of photopolymerizable material above the trough bottom in the exposure region by current flow through the layer.

Abstract: A field emission propulsion system for a spacecraft includes a control unit, a propulsion assembly, and a plurality of extractor electrode voltage sources. The propulsion assembly comprises a plurality of field emission propulsion units having an ion source with a plurality of ion emitters and extractor electrodes associated with the ion emitters and disposed in a field arrangement. The plurality of extractor electrode voltage sources, each associated with the extractor electrodes to control the same, are controlled by the control unit using an individual extractor electrode voltage.

Abstract: The present invention relates to a computer-implemented method and a system for determining co-occurrences in at least one graph with n vertices and E edges, wherein each edge is defined by a pair of vertices, the method comprising: storing a binary adjacency matrix representing a first graph in a memory; performing a calculation step for the first graph, wherein the calculation step comprises: loading a block of at most K consecutive rows of the binary adjacency matrix from the memory and storing each row into one of K caches; streaming each of the subsequent uncached rows of the binary adjacency matrix from the memory; reading pairs of rows comprising a streamed row and each one of the cached rows; computing the logical conjunction between each couple of elements of the rows at the same position in the rows for each read pair of rows; and adding the results of the logical conjunction for all the couples of elements in each read pair by means of one-bit adders to obtain the co-occurrence, wherein the calcula

Abstract: A device for Doppler optical coherence tomography (Doppler OCT), preferably of the human middle ear, is proposed. The device has an endoscope unit for at least partial insertion into the auditory canal. A sound source, a sound receiver, and OCT optics are integrated in the endoscope unit.

Abstract: A fuel cell system comprising at least one fuel cell arranged for a reformation of a hydrocarbon and a hydrocarbon generation unit connected to an anode outlet of the fuel cell for generating the hydrocarbon from carbon monoxide and hydrogen included in a partially unconverted exhaust stream of the anode outlet of the fuel cell, where the fuel cell is thermally decoupled from the hydrocarbon generation unit so that the exothermal hydrocarbon generation reaction and the endothermal reformation reaction proceed without one reaction thermally interfering the other.

Abstract: The present invention relates to the use of a porous polymer etched ion-track membrane as separator for batteries comprising a positive electrode, a negative electrode and a liquid electrolyte comprising at least one salt of a cationic ion in solution in a solvent, and to batteries comprising such a membrane as porous separator.

Abstract: The present invention relates to a hydrophobic cement-based material composition comprising a bacterial biofilm, or at least one hydrophobicity-conveying component of a bacterial biofilm, an additive for a cement-based material composition comprising a bacterial biofilm or at least one hydrophobicity-conveying component of a bacterial biofilm and the use of such biofilm or component therefore for decreasing the wettability of a cement-based material.

Abstract: The disclosure refers to a synthesis filter bank, comprising: a transform module which is configured to receive a plurality of input signals, transform the plurality of input signals, and output a plurality of transformed signals, a plurality of filter modules, which are coupled to the transform module, and wherein each filter module of the plurality of filter modules is configured to receive two transformed signals from the transform module, process the two received transformed signals and output two processed signals, and a parallel-to-serial module which is coupled to the plurality of filter modules and which is configured to receive the processed signals from the plurality of filter modules, combine the received processed signals and output a combined signal. Furthermore, an analysis filter bank, a filter bank and methods for operating a synthesis filter bank and for operating an analysis filter bank are disclosed.