Abstract: A method for reducing motion-to-photon latency for hand tracking is described. In one aspect, a method includes accessing a first frame from a camera of an Augmented Reality (AR) device, tracking a first image of a hand in the first frame, rendering virtual content based on the tracking of the first image of the hand in the first frame, accessing a second frame from the camera before the rendering of the virtual content is completed, the second frame immediately following the first frame, tracking, using the computer vision engine of the AR device, a second image of the hand in the second frame, generating an annotation based on tracking the second image of the hand in the second frame, forming an annotated virtual content based on the annotation and the virtual content, and displaying the annotated virtual content in a display of the AR device.

Abstract: An apparatus includes a substrate having a recess and a multitude of particles arranged in the recess. A first portion of the particles is joined to a porous structure by means of a coating. A second portion of the particles is not joined by means of the coating. The first portion of the particles is arranged closer to an opening of the recess than the second portion of the particles so that a leaking of the second portion of the particles from the recess through the opening is prevented.

Abstract: A device for dosing a product in capsules (12) or similar, comprising at least one dosing disc (36) which has dosing openings (38), and at least two filling stations (41-45) with which groups of dosing opening (38) are associated, wherein each filling station (41-45) comprises at least one tamping pin (51-55); the tamping pin (51-55) can plunge to a specified depth (h1-h5) into the dosing opening (38) to compress the product (17), and said tamping pin has at least one pressing means (71) for producing a variable pressure (p1-p5) with which each tamping pin (51-55) elastically deflects into the dosing opening (38); and at least one adjusting means, in particular an adjusting drive (61-65), is provided in order to adjust the depth (h1 to h5) for each of the two tamping pins (51-55) independently of one another.

Abstract: An MEMS sound transducer is provided, having: at least one actuator; a radiation structure coupled to the actuator and configured as a separate element; a structure surrounding the radiation structure, wherein the radiation structure is separated from the surrounding structure by one or more gaps; and at least one screen arranged along at least one of the one or more gaps.

Abstract: Embodiments of the present disclosure describe MEMS sound transducers for generating sound, having an actuator, wherein the actuator is separated from a surrounding structure by one or more gaps and is configured to execute a relative movement between the actuator and the surrounding structure. Additionally, the MEMS sound transducer has the surrounding structure, wherein the actuator and the surrounding structure has a plurality of recesses and projections which are separated by one or more gaps, wherein the plurality of projections belonging to the actuator are arranged to interdigitate into the plurality of recesses belonging to the surrounding structure, and/or the plurality of projections belonging to the surrounding structure to interdigitate into the plurality of recesses belonging to the actuator.

Abstract: An electronic component comprises a first layer and a second layer, wherein a main surface of the first layer is arranged opposite a main surface of the second layer. The first layer comprises a polarized first material. A polarization of the first material faces in a first direction. The second layer comprises a polarized second material having at least one polarization state, wherein a direction of a polarization of the second material at least in the one polarization state of the second material is at least in part opposite to the first direction such that a charge zone forms along the main surface of the first and/or the second layer, said charge zone being electrically conductive at least when the second material is in the one polarization state.

Abstract: A transistor having high electron mobility (HEMT) having a first layer and a second layer is described. The first layer has a first material made of a first nitride compound. The first nitride compound has a group III element. The second layer has a second material made of a second nitride compound. The second nitride compound has a group III element. A main surface of the second layer is arranged opposite a main surface of the first layer, such that a charge zone forms along the main surface of the second layer. The HEMT further has a gate electrode, which is arranged opposite the second layer, at least in regions, such that the second layer is arranged between the first layer and the gate electrode. Furthermore, the HEMT has a third layer, which is arranged between the gate electrode and the second layer. The third layer has a ferroelectric third material made of a third nitride compound, or a ferroelectric third material made of an oxide compound which contains zinc.

Abstract: A ferroelectric material includes a mixed crystal having AlN and at least one nitride of a transition metal. The proportion of the nitride of the transition metal is selected such that a direction of an initial or spontaneous polarity of the ferroelectric material is switchable by applying a switchover voltage. The switchover voltage is below a breakdown voltage of the ferroelectric material.

Abstract: Embodiments of the present disclosure describe an MEMS sound transducer having an actuator and a structure surrounding the actuator, wherein the actuator is separated from the surrounding structure by one or several slits. Furthermore, the sound transducer includes at least one first diaphragm arranged on the actuator along at least one of the one or several slits; and at least one second diaphragm arranged on the surrounding structure along the slit of the one or several slits.

Abstract: The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises: —a one-part or multi-part housing (42) which comprises at least one main housing (44), a feed opening (48) being provided on the inlet side and a discharge opening (51) being provided on the outlet side of the main housing (44), the feed opening and the discharge opening being interconnected by a flow channel (49); —a guide element (53) which is provided on the main housing (44) and by means of which a valve closing element (61) is guided slidably relative to the main housing (44), the valve closing element (61) being arranged in a starting position (42) by means of an energy accumulator (71) and the valve closing element (61) being slidable toward the discharge opening (51) against an actuating force of the energy accumulator (71) in order to be transferred into a working position (63

Abstract: A ferroelectric material includes a mixed crystal having AlN and at least one nitride of a transition metal. The proportion of the nitride of the transition metal is selected such that a direction of an initial or spontaneous polarity of the ferroelectric material is switchable by applying a switchover voltage. The switchover voltage is below a breakdown voltage of the ferroelectric material.

Abstract: Ferroelectric semiconductor device with a memory cell, with a ferroelectric memory layer and a first conductive layer disposed on the ferroelectric memory layer; and a semiconductor device connected to the memory cell. The ferroelectric memory layer of the memory cell can include a mixed crystal with a group III nitride and a non-group III element.

Abstract: The invention relates to a non-return valve, in particular for a refrigeration circuit or thermal circuit, which is insertable into a connection point (76) of a connection device (71), which comprises a supply opening (72) for supplying a medium and an outlet opening (74) for discharging the medium, comprising a multi-part housing (12, 14), which comprises a valve housing (14) and a main housing (12), which is interconnectable by means of connection elements (41, 42) via an interface (16), comprising a regulating space (24) formed between the main housing (12) and the valve housing (14), in which space a valve-closing member (25) is provided which abuts a valve seat (23) of the valve housing (14) in a closed position (54), and closes an opening (22) in the valve housing (14) and is movable into an operating position (55) counter to an actuating force of a return element (33) and releases the valve opening (22), wherein the valve housing (14) and the valve-closing member (25), which is arranged so as to be mov

Abstract: A device (10) for dosing a powder, in particular a pulverulent pharmaceutical, having a storage container (24) which has a storage chamber for storing a stored quantity of the powder to be dosed, wherein the storage container has a dosing opening (32), wherein the device has a dosing control element which can be movably driven and which, in a closing position, closes the dosing opening and, in at least one freeing position, frees the dosing opening for the dispensing of powder from the storage container into a target container to be filled, wherein the device has a vibration means which sets the powder in vibration in order to assist with the dispensing of powder, wherein the storage container has two container parts which are movable relative to one another and which delimit mutually connected sub-chambers of the storage chamber and each store a portion of the stored quantity of powder, wherein a first container part (28) has the dosing opening and wherein the vibration means cooperates with the first contai

Abstract: A micromechanical sound transducer according to a first aspect includes a first bending transducer with a free end and a second bending transducer with a free end, the two bending transducers being arranged in a mutual plane, wherein the free end of the first bending transducer is separated from the free end of the second bending transducer via a slit. The second bending transducer is excited in-phase with the vertical vibration of the first bending transducer. A micromechanical sound transducer according to a second aspect includes a first bending transducer that is excited to vibrate vertically and a diaphragm element extending vertically to the first bending transducer, the diaphragm element being separated from a free end of the first bending transducer via a slit.

Abstract: Resonant DC-DC converters use a switching network to step a single DC voltage up to a working DC level using a resonant tank. However, high voltage DC power supply systems, for example, those used to power X-ray sources, are increasingly being integrated into smaller form factors, and it is becoming attractive to be able to make use of multiple DC-DC power supplies to power such X-ray sources. The present invention provides a topology for a resonant DC-DC converter, a DC electrical supply system, and method of operating a DC-DC resonant converter. The proposed topology uses a switching network to connect multiple DC power supplies to the resonant tank, to enable a more flexible provision of input power.

Abstract: An apparatus includes a substrate having a recess and a multitude of particles arranged in the recess. A first portion of the particles is joined to a porous structure by means of a coating. A second portion of the particles is not joined by means of the coating. The first portion of the particles is arranged closer to an opening of the recess than the second portion of the particles so that a leaking of the second portion of the particles from the recess through the opening is prevented.

Abstract: The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises:—a one-part or multi-part housing (42) which comprises at least one main housing (44), a feed opening (48) being provided on the inlet side and a discharge opening (51) being provided on the outlet side of the main housing (44), the feed opening and the discharge opening being interconnected by a flow channel (49);—a guide element (53) which is provided on the main housing (44) and by means of which a valve closing element (61) is guided slidably relative to the main housing (44), the valve closing element (61) being arranged in a starting position (42) by means of an energy accumulator (71) and the valve closing element (61) being slidable toward the discharge opening (51) against an actuating force of the energy accumulator (71) in order to be transferred into a working position (63),

Abstract: The present invention relates to a control circuit (10) for controlling a resonant power converter. It is described to generate (210) a modulation signal. A carrier signal is generates (220), wherein the generation of the carrier signal comprises measuring at least one signal from the power converter. A switching signal is generated (230) that is useable to control a value of at least one magnitude of the resonant power converter based on the modulation signal and the carrier signal.

Abstract: The invention relates to a non-return valve, in particular for a refrigeration circuit or thermal circuit, which is insertable into a connection point (76) of a connection device (71), which comprises a supply opening (72) for supplying a medium and an outlet opening (74) for discharging the medium, comprising a multi-part housing (12, 14), which comprises a valve housing (14) and a main housing (12), which is interconnectable by means of connection elements (41, 42) via an interface (16), comprising a regulating space (24) formed between the main housing (12) and the valve housing (14), in which space a valve-closing member (25) is provided which abuts a valve seat (23) of the valve housing (14) in a closed position (54), and closes an opening (22) in the valve housing (14) and is movable into an operating position (55) counter to an actuating force of a return element (33) and releases the valve opening (22), wherein the valve housing (14) and the valve-closing member (25), which is arranged so as to be mov