Abstract: A vehicle is disclosed. The vehicle includes a passenger cabin; a steering wheel having a hub and a rim; and a ventilation system having a first air outlet for discharging a first jet of air, and a second air outlet for discharging a second jet of air. The first jet of air projects through a gap between the hub and the rim, and the second jet of air intersects and deflects the first jet of air.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for selecting actions to be performed by an agent interacting with an environment. In one aspect, a system includes a language encoder model that is configured to receive a text string in a particular natural language, and process the text string to generate a text embedding of the text string. The system includes an observation encoder neural network that is configured to receive an observation characterizing a state of the environment, and process the observation to generate an observation embedding of the observation. The system includes a subsystem that is configured to obtain a current text embedding of a current text string and a current observation embedding of a current observation. The subsystem is configured to select an action to be performed by the agent in response to the current observation.

Abstract: A structured-light three-dimensional (3D) scanning system includes a projector that emits a projected light with a predetermined pattern onto an object; an image capture device that generates a captured image according to a reflected light reflected from the object, the predetermined pattern of the projected light being distorted due to 3D shape of the object, thereby resulting in a distorted pattern; a depth decoder that converts the distorted pattern into a depth map representing the 3D shape of the object; and a depth fusion device that generates a fused depth map according to at least two different depth maps associated with the object.

Abstract: A head wearable air purifier is provided. The head wearable air purifier includes a first speaker assembly and a second speaker assembly. The first speaker assembly includes a filter assembly, a motor-driven impeller for creating an airflow through the filter assembly, and an air outlet downstream from the filter assembly for emitting a filtered airflow from the speaker assembly. The head wearable air purifier further includes a nozzle and a control circuit. The nozzle is arranged to receive the filtered airflow from the first speaker assembly. Further, the nozzle includes an air outlet arranged to emit the received filtered airflow from the head wearable air purifier. The control circuit is arranged to control a rotational speed of the motor-driven impeller of the first speaker assembly such that the maximum rotational speed of the motor-driven impeller is from 9,000 to 18,000 RPM.

Abstract: An anode including a current collector and an anode active material layer disposed on the current collector are provided. The anode active material layer includes first oriented particles having a first tilt angle ?1 inclined with respect to the direction parallel to the current collector, and second oriented particles having a second tilt angle ?2 inclined with respect to the direction parallel to the current collector. The first tilt angle ?1 and the second tilt angle ?2 are different and both not greater than 70°.

Abstract: The present application discloses a secondary battery, a battery module, and a device using the secondary battery as a power source. The secondary battery includes: a casing; an electrode assembly disposed in the casing; a cap assembly; and a current collecting member including an adapting piece and a connecting component provided separately and connected with each other; the adapting piece connected with the electrode terminal of the cap assembly and including a guiding section; the connecting component including a current collecting section to be connected with the guiding section and a tab connecting section to be connected with the electrode assembly; and the connecting component has a rigidity less than that of the guiding section, so that deformation of the guiding section toward the electrode assembly can be reduced when a portion of the connecting component connected with the electrode assembly is bent with respect to the length direction.

Abstract: A negative active material includes a silicon-based composite material. The silicon-based composite material includes a silicon substrate, a conductive agent and a polymer. The conductive agent and the polymer are disposed on at least a portion of a surface of the silicon substrate. The silicon-based composite material has a powder conductivity from 0.03 S/cm to 0.1 S/cm.

Abstract: A DC arc signal generation circuit comprises: a first power supply, a first switch unit, and a Wien bridge oscillator circuit, and the Wien bridge oscillator circuit includes an operational amplifier. The first power supply is electrically connected to a positive input terminal and a power supply terminal of the operational amplifier respectively through the first switch unit. The Wien bridge oscillator circuit is configured to output a DC arc detection signal in response to turn-on of the first switch unit.

Abstract: An electrochemical device, including an electrode assembly. The electrode assembly is of a winding structure, including a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate. The first electrode plate includes a first current collector and a first active material layer, the first current collector includes a first uncoated foil zone. The second electrode plate includes a second current collector and a second active material layer, the second current collector includes a second uncoated foil zone. The electrochemical device further includes a bonding member, the bonding member includes a bonding layer and a metal layer stacked together, the bonding layer includes a conductive material, and the bonding member is bonded to at least one of the first uncoated foil zone or the second uncoated foil zone through the bonding layer.

Abstract: An electrolyte solution includes a compound represented by Formula I: where m, n, k, and x are each independently selected from 1, 2, or 3; R11 and R12 are each independently selected from hydrogen, halogen, substituted or unsubstituted C1 to C3 alkyl, substituted or unsubstituted C2 to C4 alkenyl, substituted or unsubstituted C2 to C4 alkynyl, or substituted or unsubstituted C6 to C10 aryl, wherein when substituted, a substituent is independently selected from halogen. The multi-cyano (—CN) compound represented by Formula I is introduced into the electrolyte solution, so that the multi-cyano group can stabilize a transition metal in a positive active material and protect a positive electrode interface. The compound represented by Formula I can also be reduced at a negative electrode to protect a negative electrode interface and play a role in suppressing continuous decomposition of the electrolyte solution and suppressing gas production.

Abstract: An electrochemical device, including a cathode, an anode and an electrolyte, wherein the anode includes an anode active material layer, wherein the contact angle of the anode active material layer relative to a non-aqueous solvent is not greater than 60° as measured by a contact angle measurement. The electrochemical device of the present application has improved cycle performance.

Abstract: A vehicle cabin filter assembly comprising a filter module and a further filter module positioned downstream of the filter module. Each filter module comprises one or more filter elements. The filter elements of the filter module are pleated at a first pleat pitch and comprise a gas filter element. The filter elements of the further filter module are pleated at a second pleat pitch and comprise a particulate filter element. And the second pleat pitch is smaller than the first pleat pitch.

Abstract: A battery module includes a plurality of battery units and at least one bus bar, where each of the battery units includes a first frame and a battery cell, the first frame is provided with an accommodating space for accommodating the battery cell, the battery cell includes an encapsulating case and an electrode terminal extending out of the encapsulating case. Each battery unit further includes at least one conductive sheet, the conductive sheet is disposed on the first frame, the electrode terminal of the battery cell is connected to the conductive sheet, and the bus bar is connected to conductive sheets of two adjacent battery units. With the conductive sheet provided on the first frame, the bus bar is connected to conductive sheets of two adjacent battery units to implement series-parallel connection and assembly between battery cells on different first frames, so that the entire battery module can be connected.

Abstract: Ray tracing systems and methods for generating a hierarchical acceleration structure for intersection testing. Nodes of the hierarchical acceleration structure are determined, each of the nodes representing a region in a scene, the nodes being linked to form the hierarchical acceleration structure. Data is stored representing the hierarchical acceleration structure. The stored data comprises data defining the regions represented by a plurality of the nodes. At least one node is an implicitly represented node, wherein data defining a region represented by an implicitly represented node is not explicitly included as part of the stored data but can be inferred from the stored data. Also described are ray tracing systems and computer-implemented methods for performing intersection testing in which, based on conditions in the ray tracing system, a determination is made as to whether testing of one or more rays for intersection with a region represented by a particular node of a sub-tree is to be skipped.

Abstract: An interpolated flat-panel display comprises a display substrate, pixel controllers disposed in a controller array over the display substrate, and pixels disposed in a pixel array over the display substrate. Each pixel controller is connected to one or more control lines and is operable to output pixel information. Each pixel is operable to emit light in response to pixel information received from a pixel controller. The pixel array is larger than the controller array, each pixel is connected to at least one pixel controller, and at least some pixels are interpolated pixels connected to at least two pixel controllers and are operable to emit light in response to pixel information received from the at least two pixel controllers.