Abstract: According to the invention, a current measurement circuit for providing a measurement signal for a controller for controlling a switching of power switches of a power converter comprises a first current sensing circuit for sensing a first bidirectional current representative of a current through a first power switch of the power converter. The first current sensing circuit is being adapted to provide a first sensing signal indicative of the first bidirectional current. The current measurement circuit further comprises a second current sensing circuit for sensing a second bidirectional current representative of a current through a second power switch of the power converter. The second current sensing circuit is adapted to provide a second sensing signal indicative of the second bidirectional current.

Abstract: A display device comprises: a display panel in which a plurality of pixels are arranged in a matrix form, wherein the plurality of pixels include a plurality of first pixels and a plurality of second pixels arrayed at a pitch different from an array pitch of the plurality of first pixels, and a number of the plurality of first pixels is different from a number of the plurality of second pixels.

Abstract: A hand detection method, a hand segmentation method, an image detection method and system, a storage medium, and a device are provided. The image detection method includes: determining a first starting point in a connected domain of an image to be detected; determining n farthest extremum points different from the first starting point, wherein an Nth farthest extremum point is a pixel point in the connected domain having a maximum geodesic distance to an Nth starting point, an (N+1)th starting point is the Nth farthest extremum point, and n and N are both positive integers; performing region growing with the n farthest extremum points as initial points respectively, to acquire n regions in the connected domain; judging whether a relationship between a preset feature of each region and a preset feature of the connected domain satisfies a selection condition, to determine an available region satisfying the selection condition.

Abstract: An apparatus for interactive image processing including a first camera, a second camera, an image processing circuit, a vision processing unit, an image signal processor, a central processing unit, and a memory device is disclosed. The present disclosure utilizes the image processing circuit to calculate depth data according to raw images generated by the first and second cameras at the front-end of the interactive image processing system, so as to ease the burden of depth calculation by the digital signal processor in the prior art.

Abstract: A system including neural network that use deep learning for object detection allows users to interact with images of their face and, in particular, interact with different face landmarks as an input channel for interaction with smart devices. That is, the face is employed as a touch surface for interactions with a device.

Abstract: A map generating server capable of bidirectional communication with multiple vehicles having a database configured to store vehicle type identifiers assigned to the vehicles and map data regarding roads usable by the vehicles and cultivated land area near the roads. In the server, a vehicle position data tagged with vehicle type identifier is successively written to location concerned of the map data when each vehicle transmits the position data tagged with the vehicle type identifier. The vehicle position data writing number is incremented if the written vehicle position data is that of a vehicle assigned a specified vehicle type identifier, and the location concerned of the cultivated land area is determined to be cultivated land area road and to update the map data stored in the database when the writing number is equal to or greater than a predetermined number.

Abstract: An optical imaging lens including a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element arranged in sequence from an object side to an image side along an optical axis is provided. Each lens element includes an object-side surface and an image-side surface. The first lens element has negative refracting power. The second lens element has negative refracting power, and a periphery region of the object-side surface of the second lens element is convex. An optical axis region of the image-side surface of the fourth lens element is concave. An optical axis region of the image-side surface of the sixth lens element is concave. A periphery region of the image-side surface of the sixth lens element is convex.

Abstract: An electronic device in a first aspect includes: a housing comprising metal that houses an electronic component; a cover comprising resin that covers at least a part of a principal surface of the housing from an outside; and a screw screwed into the housing via a through-hole provided at the cover and, the screw having a head that protrudes to the outside from the cover. A larger-diameter part having a diameter larger than a diameter of a screw part is provided on a head side of the screw. A larger-diameter step-down part that fits the larger-diameter part is provided on the principal surface of the housing.

Abstract: A security question generation instruction is sent by a server to a user device. A reference picture is received at the server from the user device, where the reference picture is generated by the user device based on the security question generation instruction. A number of confusion pictures corresponding to the reference picture are determined by the server. A security question is generated by the server based on the reference picture and the plurality of confusion pictures.

Abstract: A semiconductor device, including a main switching element having a gate terminal and an emitter terminal, a sense switching element connected to the main switching element for detecting a current flowing through the main switching element, and a voltage division circuit connected between the gate terminal and the emitter terminal of the main switching element. The voltage division circuit includes a first resistor and a second resistor connected in series. A connection point of the first resistor and the second resistor is connected to the sense switching element, so that a voltage applied to the gate terminal of the main switching element is divided by the voltage division circuit, and a portion of the voltage is applied to the sense switching element.

Abstract: Embodiments of this application provide a method for processing information bits in a wireless communication network. A communication device receives a radio resource control (RRC) signaling, wherein the RRC signaling comprises time window information and time unit format information, wherein the time window information comprises a hybrid automatic repeat request (HARQ) time sequence K1 set, wherein K1 is a time relationship between a time unit of a physical downlink shared channel (PDSCH) and a time unit of a physical uplink control channel (PUCCH), or wherein the K1 is a time relationship between a time unit of a (PDSCH) and a time unit of a physical uplink shared channel (PUSCH). The device determines HARQ feedback information based on the time window information and the time unit format information and sends the HARQ feedback information.

Abstract: The present disclosure provides a lens combination and an illumination device adopting the lens combination, where, the lens combination configured for accommodation at least a first light source and a second light source, includes: a first lens, including a first light incident surface, a first light emergent surface and a first accommodation space located on a side of the first light incident surface and configured for accommodating the first light source, where the first light incident surface and the first light emergent surface are of a curved surface shape; and a second lens, including a second light incident surface, a second light emergent surface, and a second accommodation space located on a side of the second light incident surface and configured for accommodating the second light source, where the second light incident surface and the second light emergent surface are of a curved surface shape.

Abstract: An object of the present invention is to facilitate recognition of a voice command of a user in a situation where multiple devices including microphones are connected through a sensor network. A relative location of each device is determined and a location and a direction of the user are tracked through a time difference in which the voice command is applied. The command is interpreted based on the location and the direction of the user. Such a method as a method for a sensor network, Machine to Machine (M2M), Machine Type Communication (MTC), and Internet of Things (IoT) may be used for an intelligent service (smart home, smart building, etc.), digital education, security and safety related services, and the like.

Abstract: A method and a device of a auto-focusing are provided. The method includes: for each of a set comprising N frequency bands of an image, acquiring a FV corresponding to each of focal points during a focusing process; acquiring an interested focal point which corresponds to a maximum FV for the lowest frequency band in the set; if the FV corresponding to the interested focal point for each other frequency band in the set is the maximum FV, determining that the interested focal point is an in-focus point, if the FV corresponding to the interested focal point for any other frequency band is not the maximum FV deleting at least one frequency band for which the FV corresponding to the interested focal point reaches maximum from the set, acquiring a new interested focal point based on the new set, and repeating the above determinations based on the new interested focal point.

Abstract: An imaging apparatus 1 includes an image acquisition unit 51, an image processing unit 53, a mask image creation processing unit 54, and a processed image creation processing unit 55. The image acquisition unit 51 acquires a face image. The image processing unit 53 adjusts the brightness of the face image acquired by the image acquisition unit 51. The image processing unit 53 combines the face image acquired by the image acquisition unit 51 with the processed face image, using map data in which a predetermined region of a face is set as a transparent region on the basis of the reflection state of light emitted to the face.

Abstract: An e-liquid pumping assembly for supplying e-liquid to an atomizer includes a housing, an e-liquid bottle, and a pumping head assembly. The pumping head assembly includes a piston, a pumping body clamped with the e-liquid bottle by a first sealing portion, a pumping cover clamped with the pumping body, a feeding tube connected to the atomizer and the pumping body. The piston includes a first lower end inserted into the pumping body and a first upper end exposed from the pumping cover. The e-liquid suction pipe includes a second lower and upper ends respectively inserted into the e-liquid bottle and the pumping body. The piston is pressed to expel air from the pumping body so that e-liquid enters the pumping body through the e-liquid suction pipe. The piston is again pressed for pushing the e-liquid out of die pumping body to the atomizer through the feeding tube.

Abstract: A flexible display window includes a flexible base layer including a flexible resin, a first silica nano particle coating layer including full-type silica nano particles, where the first silica nano particle coating layer is disposed on the flexible base layer, a flexible hard coating layer including a flexible hard coating resin, where the flexible hard coating layer is disposed on the first silica nano particle coating layer, and a second silica nano particle coating layer including hollow-type silica nano particles, where the second silica nano particle coating layer is disposed on the flexible hard coating layer. Thus, the flexible display window can enhance impact-resistance of a flexible display while reducing reflectivity of the flexible display.

Abstract: An embroidery sewing machine calculates the number of designs to be used for sewing for a length that is closest to a desired sewing length, based on the desired sewing length and information regarding the designs. The embroidery sewing machine calculates the sewing length based on the calculated number of designs and the information regarding the designs. Furthermore, the embroidery sewing machine adjusts the length of each design such that the calculated sewing length matches the desired sewing length, and converts the adjusted data of the designs into embroidery data. This enables sewing such that the sewing start and end points match each other or junction matching is secured, even in a case of sewing in the form of various kinds of combinations of curves and lines or the like. In addition, this provides an embroidery sewing machine that is capable of executing sewing with an improved appearance.

Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.