Abstract: The invention relates to a locking device for a switchable valve drive component, including a first locking body and a second locking body which can be brought into engagement with one another or out of engagement in order to couple to one another or to uncouple two component parts arranged movably with respect to one another, wherein at least one of the two locking bodies has at least one curved surface. In order to increase the wear resistance of the locking device, provision is made for at least one of the two locking bodies to have a plurality of curved surfaces of which the respective curvature is described by radii of identical length having constructional center points spaced apart from one another.

Abstract: The invention relates to a security element, comprising a thermoplastic or photo-sensitive replication lacquer layer, non-periodic randomly arranged (randomized) structures in the sub-micrometer range being incorporated into the replication lacquer layer and having an angle-independent optical effect, such as a color effect, and to a method for the production thereof and to the use thereof.

Abstract: A method for connecting two components. The method includes heating a deformation region of at least one component part to provide complete heating. The at least one component part is plastically deformed after the complete heating of the deformation region.

Abstract: A synapse for a neuromorphic network is provided. The synapse includes a time-delay portion having a first end and a second end, a first actuator located at the first end and in operational contact with the time-delay portion, and a second actuator located at the second end and in operational contact with the time-delay portion. The time-delay portion is formed from a phase change material wherein a change in the material of the time-delay portion alters a propagation time of a signal transmitted from the first actuator to the second actuator.

Abstract: A thermoelectric device for transferring heat from a heat source to a heat sink. The device includes a first thermoelectric leg pair having a first leg including an n-type semiconductor material and a second leg including a p-type semiconductor material, wherein the first leg and the second leg are electrically coupled in series; a second thermoelectric leg pair has a third leg including an n-type semiconductor material and a fourth leg including a p-type semiconductor material, wherein the third leg and the fourth leg are electrically coupled in series; a first contact placed between the first leg and the fourth leg and a second contact placed between the second leg and the third leg. A method for manufacturing a thermoelectric device is also provided.

Abstract: A method for mounting a valve train (1) of an internal combustion engine, having, parallel to a row of cam followers (2), a camshaft (13) which has a cam (15) per cam follower (2), which cam (15) acts on the roller (10) of said cam follower (2), which camshaft (13) is supported with respect to the cylinder head (3) via an axial bearing (14), wherein a) the cam followers (2) are provided presorted into two main groups (A, B); b) the two mounts (11) of each cam follower (2) of the first main group (A) run with offset in relation to the longitudinal extent of the cam follower (2) in the side surfaces (12) with respect to one another in such a way that an axial line of the pin (9) differs in the clockwise direction from perpendicular; c) the offset of the second main group (B) differs in the counterclockwise direction from perpendicular, and d) a partial quantity of the first and second main group (A, B) are selected and mounted for each row of cam followers (2) in order to minimize/compensate for an axial thrust

Abstract: In a method for solid body joining of a carrier body (10) and a cover layer (20), in particular by anodic bonding, the cover layer (20) is pressed with a pressing force against a curved carrier body surface (11), wherein the pressing force during the solid body joining is distributed by way of a pressure intermediary device (30) areally and simultaneously over the whole cover layer (20) and is directed perpendicularly to the curvature of the carrier body surface (11). A composite component comprising a carrier body (10) and a cover layer (20) is also disclosed, wherein a curved areal joining region (13) is formed between a cover layer surface (21) and a carrier body surface (11).

Abstract: A 3D dental camera for recording surface structures of an object by means of triangulation. The camera includes a light source for producing an illumination beam, means for focusing the illumination beam onto the surface of the object, an image sensor for recording a monitoring beam that is the illumination beam reflected by the surface of the object, and means for focusing the monitoring beam onto the image sensor. The light source is subdivided into a plurality of regions that can be independently regulated in terms of light intensity, such that a light center of the illumination beam changes in at least two switching modes of the light source.

Abstract: Aspects of the invention include a sensor that senses the absolute temperature of a device, such as an integrated circuit (“IC”). The sensor may be embodied in the IC and have first and second pieces of electrically conductive material each having an intrinsic Seebeck coefficient and a pair of contacts located at proximal and distal ends of the pieces of material. The intrinsic Seebeck coefficients differ between the two pieces of material. At least one heater is disposed at the proximal ends of the first and second pieces material and radiates heat which causes a temperature difference to form across each of the first and second pieces of material, thereby causing a voltage to form across first and second pieces of material. A measure circuit measures the voltage formed across each of the first and second pieces of material and determines an absolute temperature from at least the measured voltages.

Abstract: The invention relates to an objective (4) and to a method for designing said objective (4) for a dental camera (1), the objective (4) comprising at least two lenses (9, 10, 20, 21) and the dental camera (1) comprising a light source (3) and an image sensor (7). An illuminating beam emitted by the light source (3) is focused by the objective (4), imaged on an object (8) to be measured, and reflected by the object (8) to be measured to form a monitoring beam (12). The monitoring beam (12) passes through the objective (4) and is directed toward the image sensor (7), the illuminating beam (11) being partially reflected by surfaces (9?, 9?, 9?, 10?, 10?, 20?, 20?, 21?, 21?) of the lenses (9, 10, 20, 21) to form reflected beams (17.1 to 17.8). The objective (4) comprises means (27) for tilting each lens (9, 10, 20, 21) relatively to the illuminating beam (11) such that the optical axis (9?? 10??, 15.1, 15.

Abstract: A 3-D camera for obtaining an image of at least one surface of at least one object. The camera comprises a light source, arranged to illuminate the object, wherein a light beam emitted from the light source defines a projection optical path. The camera also includes at least one first aperture having a first predetermined size, interposed in the projection optical path such that the light beam passes through it. An image sensor receives light back-scattered by the object, the back-scattered light defining an observation optical path. At least one second aperture having a second predetermined size, is interposed in the observation optical path such that the back-scattered light passes through it. In one example embodiment of the invention, the first predetermined size is greater than the second predetermined size, and at least one optic is arranged in both the projection and observation optical paths.

Abstract: A method for mounting a valve train (1) of an internal combustion engine, having, parallel to a row of cam followers (2), a camshaft (13) which has a cam (15) per cam follower (2), which cam (15) acts on the roller (10) of said cam follower (2), which camshaft (13) is supported with respect to the cylinder head (3) via an axial bearing (14), wherein a) the cam followers (2) are provided presorted into two main groups (A, B); b) the two mounts (11) of each cam follower (2) of the first main group (A) run with offset in relation to the longitudinal extent of the cam follower (2) in the side surfaces (12) with respect to one another in such a way that an axial line of the pin (9) differs in the clockwise direction from perpendicular; c) the offset of the second main group (B) differs in the counterclockwise direction from perpendicular, and d) a partial quantity of the first and second main group (A, B) are selected and mounted for each row of cam followers (2) in order to minimize/compensate for an axial thrust

Abstract: A 3-D camera for obtaining an image of at least one surface of at least one object. The camera comprises a light source, arranged to illuminate the object, wherein a light beam emitted from the light source defines a projection optical path. The camera also includes at least one first aperture having a first predetermined size, interposed in the projection optical path such that the light beam passes through it. An image sensor receives light back-scattered by the object, the back-scattered light defining an observation optical path. At least one second aperture having a second predetermined size, is interposed in the observation optical path such that the back-scattered light passes through it. In one example embodiment of the invention, the first predetermined size is greater than the second predetermined size, and at least one optic is arranged in both the projection and observation optical paths.

Abstract: A method for connecting two components. The method includes heating a deformation region of at least one component part to provide complete heating. The at least one component part is plastically deformed after the complete heating of the deformation region.

Abstract: A thermoelectric device for transferring heat from a heat source to a heat sink includes at least one thermoelectric leg pair having a first leg including an n-type semiconductor material and a second leg including a p-type semiconductor material. The first leg and the second leg are electrically coupled in series. A resistive element electrically couples the first leg and the second leg between the heat source and the heat sink.

Abstract: In a method for solid body joining of a carrier body (10) and a cover layer (20), in particular by anodic bonding, the cover layer (20) is pressed with a pressing force against a curved carrier body surface (11), wherein the pressing force during the solid body joining is distributed by way of a pressure intermediary device (30) areally and simultaneously over the whole cover layer (20) and is directed perpendicularly to the curvature of the carrier body surface (11). A composite component comprising a carrier body (10) and a cover layer (20) is also disclosed, wherein a curved areal joining region (13) is formed between a cover layer surface (21) and a carrier body surface (11).

Abstract: A carrier structure (100), particularly for optical components, includes a carrier body (10) which is formed from ceramic with hollows (11), and at least one cover layer (21, 22) which is formed from glass, arranged on at least one surface of the carrier body (10), and is connected to the carrier body (10) by means of at least one bond connection (23, 24) produced by means of anodic bonding. Methods for producing the carrier structure (100) and the use of the carrier structure as a mirror body, carrier for optical components and/or mechanical carrier for dynamically moved components are also described.

Abstract: A switchgear cabinet or rack comprises a mounting unit with vertical mounting profiles laterally delimiting an installation space. Flat fixing sections lie on a mounting plane to fix laterally projecting mounting sections of installed units and comprise components of a detection device for determining the presence of an installed unit in the installation space. A vertical antenna strip is attached to a mounting section and contains antenna elements. Code carriers designed as transponder elements are provided on the installed units. The front face of the antenna strip lies on or is set back by a maximum of 10 mm from said plane, with each transponder element in front of the front face of the antenna strip, fixed to a support section of a retaining element that overlaps the antenna strip, said retaining element being attached to the neighboring mounting section of the associated installed unit by a connection section.

Abstract: A switchgear cabinet or rack comprises a mounting unit with vertical mounting sections laterally delimiting a cabinet frame for installed user-side units, said sections having flat fixing sections that lie on a front mounting plane used to fix laterally projecting mounting sections of the installed units, and comprising components for determining the presence of an installed unit in an installation position of the cabinet frame. A vertical antenna strip contains antenna elements and code carriers as transponder elements. In order to ensure the secure installation and reliable functioning of the detection device, each transponder element is attached to the mounting section of the associated installed unit that adjoins the antenna strip by a retaining element via a connecting section and the retaining element has a support section that adjoins the connecting section and projects outwards, parallel to the mounting plane. The transponder element is attached to the support section.

Abstract: The invention relates to a switchgear cabinet or rack comprising a mounting unit, the front of which has vertical mounting profiles that laterally delimit an installation space for installed user-side units, said profiles having fixing sections for attaching mounting sections of the installed units, and comprising components of a detection device for determining the presence of an installed unit in an installation position of the installation space. he components of the detection device have a vertical detector strip that is attached to a mounting profile and contains detector elements associated with the installed positions and arranged on or in said strip and code carriers that are provided on the installed units, the information from said carriers being transmitted for evaluation via the detector elements to a monitoring and control unit, either wirelessly or by wire.