Abstract: The present invention relates to a dental drill (10) formed of titanium or a titanium alloy having a hardness greater than pure titanium, said drill extending along a central axis (A) from a proximal end (14) to a distal end (16). The drill comprises a shank (12) arranged in a proximal end region of the drill (10) and extending along the central axis (A), a flute portion (20) arranged distally to and running coaxially with the shank (12), said flute portion (20) comprising two or more flutes (22a, 22b, 22c) extending along the flute portion (20) and being interposed by lands (24a, 24b, 24c), the flute portion further comprising a central solid web and a drill tip (26) directly adjoining the distal end (28) of the flute portion (20) and comprising two or more flanks (25a, 25b, 25c) which taper radially inwardly from the distal end of each land in the distal direction toward the central axis (A), each flank (25a, 25b, 25c) comprising a cutting edge (30a, 30b, 30c).

Abstract: The present invention relates to a heating device for heating a gas flow, in particular an exhaust gas flow of an internal combustion engine, said heating device comprising an electrically conductive heating element that can be flowed through by the gas flow in an axial direction and that has at least two heating segments that are sectionally separated from one another by a gap that is in particular open at one side; a carrier device having at least one electrically insulating carrier element that at least sectionally surrounds the heating element in a peripheral direction and/or at least sectionally covers a marginal region of at least one axial end face of the heating element, wherein the carrier element has at least one spacer section that projects into the gap; and a housing section in which the heating element and the carrier device are held.

Abstract: The present invention relates to a dental drill (10) formed of titanium or a titanium alloy having a hardness greater than pure titanium, said drill extending along a central axis (A) from a proximal end (14) to a distal end (16). The drill comprises a shank (12) arranged in a proximal end region of the drill (10) and extending along the central axis (A), a flute portion (20) arranged distally to and running coaxially with the shank (12), said flute portion (20) comprising two or more flutes (22a, 22b, 22c) extending along the flute portion (20) and being interposed by lands (24a, 24b, 24c), the flute portion further comprising a central solid web and a drill tip (26) directly adjoining the distal end (28) of the flute portion (20) and comprising two or more flanks (25a, 25b, 25c) which taper radially inwardly from the distal end of each land in the distal direction toward the central axis (A), each flank (25a, 25b, 25c) comprising a cutting edge (30a, 30b, 30c).

Abstract: The present invention relates to an electrical transmission device (10), in particular a coil spring arrangement (10), for a motor vehicle and to a motor vehicle, wherein the electrical transmission device (10) has a strip-type electrical transmission element (2), in particular a coil spring (2), which is designed and configured, in a functional installation state of the electrical transmission device (10) in a vehicle, to form an electrical connection, in particular a connection for signal and/or energy transmission, between a component (3A) arranged on the vehicle body side and/or an assembly (3) arranged on the vehicle body side, and a component (4A) arranged on the steering input side, in particular on the steering wheel side, and/or an assembly (4) arranged on the steering input side, wherein the electrical transmission device (10) furthermore has at least one electrical discharge apparatus (5) for discharging an electrostatic charge of the electrical transmission device (10) which is electrically connec

Abstract: A document carrier device is provided for supporting and transporting a document in a document processing system. The device includes a workpiece carrier having a support surface for receiving a document; a heating device having a heat conducting element for transferring heat generated; and an actuator for causing relative movement between the heat conducting element and the workpiece carrier to change between a first mode of operation and a second mode of operation. In the first mode of operation, the heat conducting element extends, without thereby being in mechanical contact with the workpiece carrier, through one or more recesses in the workpiece carrier in the region of the support surface to be able to transfer heat generated by the heating device, at least in part, to a document received. In the second mode of operation, the heat conducting element has a distance from the support surface which is increased.

Abstract: An ultrasonic welding device includes a sonotrode, an anvil, a receiving chamber in which joining partners to be welded are to be received and which is defined on opposing sides by the sonotrode on the one hand and by the anvil on the other hand, and a camera assembly with at least one camera which is integrated in the ultrasonic welding device. The camera assembly is configured to record images of at least one partial region of the receiving chamber for the optical monitoring of welding conditions which have an impact on welds of the joining partners.

Abstract: An ultrasonic welding device includes a sonotrode, an anvil, a touching element, a lateral slide, a first stop element, a drive device, and a receiving chamber in which joining partners are to be received. The receiving chamber is defined on a first side by a surface of the sonotrode and on a second side opposing the first side by a surface of the anvil. The receiving chamber is further defined on a third side by a surface of the touching element and on a fourth side opposing the third side by a surface of the lateral slide. The first stop element is displaceable between a pulled-in position and a pulled-out position. The first stop element in the pulled-in position defines the receiving chamber on a fifth side extending transverse to the first to fourth sides and in the pulled-out position leaves the receiving chamber open on the fifth side.

Abstract: The invention relates to a sonotrode (218) of an ultrasonic welding device with a sonotrode body (224) with sonotrode head (220) with at least one working surface (230) extending in the longitudinal direction of the sonotrode head for welding or welding together and/or deforming and/or cutting at least one item of metallic welding material, wherein the sonotrode head has cross-sections which vary along the working surface in such a way that the cross-section of the sonotrode head in the end region of the working surface extending at the end face is greater than in the middle region of the working surface.

Abstract: A method of 3D printing a part using a photopolymer build material including the steps of characterizing a three-dimensional curved surface using a mathematical equation and a specification; characterizing at least one surface transition between at least two parallel slice planes that intersect the characterized three-dimensional curved surface using a surface transition equation; generating at least one set of 3D printing instructions to selectively solidify the photopolymer build material; and 3D printing the part using the at least one set of 3D printing instructions.

Abstract: A document carrier device is provided for supporting and transporting a document in a document processing system. The device includes a workpiece carrier having a support surface for receiving a document; a heating device having a heat conducting element for transferring heat generated; and an actuator for causing relative movement between the heat conducting element and the workpiece carrier to change between a first mode of operation and a second mode of operation. In the first mode of operation, the heat conducting element extends, without thereby being in mechanical contact with the workpiece carrier, through one or more recesses in the workpiece carrier in the region of the support surface to be able to transfer heat generated by the heating device, at least in part, to a document received. In the second mode of operation, the heat conducting element has a distance from the support surface which is increased.

Abstract: According to various aspects, a memory cell arrangement is provided, the memory cell arrangement including a control circuit configured to carry out a de-trapping writing scheme to write at least one memory cell of the memory cell arrangement into a memory state, the de-trapping writing scheme including providing one or more write voltage pulses and one or more de-trapping voltage pulses at the at least one memory cell, wherein the one or more de-trapping voltage pulses have opposite polarity with respect to the one or more write voltage pulses, and wherein one or more properties of the one or more write voltage pulses and of the one or more de-trapping voltage pulses are varied as long as the memory cell is not in the memory state.

Abstract: A three-dimensional (3D) scanner includes a light source, an optical detector, a reference reflector, and a 3D aperture structure having side walls and an aperture, the aperture sized to pass a first portion of the light reflected by the reference reflector, the side walls sized to block a second portion of the light reflected by the reference reflector. The 3D scanner further includes a tilted optical bandpass filter to block ambient background light without creating cavity reflections that might cause errors in measured distance.

Abstract: Disclosed is a field detection device designed to be connected to at least one access point of a fieldbus network via at least one interface. The field detection device is designed to initiate or execute, for each of at least two connection protocols, an associated query in at least one fieldbus segment of the fieldbus network and to detect which field devices and fieldbus components in said at least one fieldbus segment can be accessed via the connection protocol in question. Furthermore, the field detection device is designed to provide a connection directory in which at least one connection protocol is specified for each field device and for each fieldbus component of a set of field devices and fieldbus components of the at least one fieldbus segment, by means of which connection protocol the field device in question or the fieldbus component in question can be accessed.

Abstract: A memory cell arrangement is provided that may include: a plurality of memory cells including one or more memory cells to be read out and one or more memory cells not to be read out; a control circuit defining a base voltage and configured to: apply a select voltage, a first readout voltage and a second readout voltage, to one word-line and to a source/bit-line pair corresponding to the one or more memory cells to be read out, respectively; apply a voltage that is substantially the base voltage to one or more word-lines corresponding to the one or more memory cells not to be read out; wherein both the first readout voltage and the second readout voltage are provided with an offset to the base voltage, and wherein the first readout voltage and the second readout voltage are different from one another.

Abstract: A device for detecting a steering wheel position, the steering wheel angle and/or the inclination of the steering wheel (304) of a vehicle is disclosed. The device includes at least two cameras (5, 6; 202, 203) by means of which the steering wheel (304) can be sensed (8, 9; 204, 205). At least three reference objects (301, 302, 303) are provided which can be releasably fastened to the steering wheel (304).

Abstract: The invention relates to a coupling 10 for transferring fluids, having a valve 30, the valve tappet 32 of which is coupled in terms of movement with a valve sleeve 31, which is pre-tensioned by spring force in the flow direction D of the fluid, and having a locking mechanism 40 for releasably locking the coupling 10 to a tank nipple 50, and a securing mechanism 60 for releasably blocking the closed valve 30, wherein the locking mechanism 40 and the securing mechanism 60 are coupled in terms of movement via a sliding sleeve 70 which is pre-tensioned by spring force against the flow direction D of the fluid, so that in a first control position A of the sliding sleeve 70, the locking mechanism 40 is unlocked and the valve 30 is closed, and in a second control position B of the sliding sleeve 70, the securing mechanism 60 unlocks the valve sleeve 31, so that the valve 30 is unblocked and at least partially opened, and the valve sleeve 31 can be moved subject to pressure against the flow direction D of the fluid,

Abstract: The instant invention refers to the use of a concentrated aqueous polymer dispersion with an average particle size of less than 1000 nm comprising (a) a polymer carrier prepared by heterophase radical polymerization of at least one ethylenically unsaturated monomer in the presence of (b) an oil-soluble organic UV absorber selected from the class of p-aminobenzoic acid derivatives; salicylic acid derivatives; benzophenone derivatives; diphenyl acrylate derivatives; benzofuran derivatives; polymeric UV absorbers, comprising one or more organosilicon radicals; cinnamic acid derivatives; camphor derivatives; s-triazine derivatives; trianilino-s-triazine derivatives; menthyl anthranilates; and benzotriazole derivatives; wherein the weight ratio of the oil-soluble organic UV absorber (b) to polymer carrier (a) is greater than 50 parts UV absorber per 100 parts of carrier; for the protection of human and animal hair and skin against the damaging effect of UV radiation.

Abstract: A memory cell arrangement is provided that may include: a control circuit configured to supply a precondition signal and one of at least two write signals to a memory cell of the memory cell arrangement, the memory cell including a field-effect transistor structure and a remanent-polarizable layer, wherein the precondition signal is configured to bring the memory cell from an actual condition into a predefined condition, wherein the predefined condition is associated with a predefined threshold voltage of the field-effect transistor structure of the memory cell, and wherein the at least two write signals are configured to write the memory cell selectively into a first memory state or into a second memory state.