Vitina, Maruta

A stylus includes a pen body, a first electrode, a second electrode and a third electrode. The pen body includes an outer housing and a control assembly disposed therein. The control assembly is configured to control an operating mode of the stylus. The operating mode includes a writing mode and an erasing mode. The first electrode is disposed at a tip end of the pen body, and the second electrode is disposed at a tail end of the pen body. The third electrode is between the first electrode and the second electrode. The third electrode is configured to cooperate with the first electrode or the second electrode to enable detection of a tilt angle of the pen body, or perform an erasing adjustment in the erasing mode. A method for operating the stylus, and an electronic device are also provided.

The present invention relates to a method for creating and implementing dynamic configurations in an interactive multi-interface device for games utilizing machine learning (ML) techniques and may be used with a particular focus on children aged 7-15 years. The method comprises the steps of: (a) receiving and processing input commands from a user 5; (b) creating a configuration; (c) dynamic reconfiguring, wherein the processing unit 3 updates the functions of each of the input interfaces 1 and each of the output interfaces 2 by assigning the functions and the states according to the newly determined configuration; (d) implementing the newly reconfigured configuration; step (d) includes activating each of the output interfaces 2 according to the newly assigned functions and enabling each of the input interfaces 1 to receive the input commands according to the newly assigned functions; wherein the steps (a), (b), (c) and (d) are performed in the same portable, handheld, interactive multi-interface device for games. In the steps (a), (b) and (c) the wirelessly connected external ML model may be used for the analysis.

A marble tile-imitating stone plastic composite (SPC) floorboard includes a wear-resistant layer, a decoration layer, a first SPC substrate layer, a second SPC substrate layer being a foamed SPC layer and a third SPC substrate layer. The wear-resistant layer, the decoration layer, the first SPC substrate layer, the second SPC substrate layer and the third SPC substrate layer are arranged in sequence from top to bottom. The first SPC substrate layer includes 12-20 wt.% of a polyvinyl chloride (PVC) resin, 12-20 wt.% of a silicone-modified acrylic resin and 50-70 wt.% of calcium carbonate. The floorboard is provided with a groove recessing downward from the wear-resistant layer, and a lowest point of the groove is not lower than a middle point of the first SPC substrate layer along a thickness direction of the first SPC substrate layer. The groove is configured to imitate a tile grout aesthetic effect.

A method for preparing metallic magnesium and industrial silicon by decomposing serpentine with hydrochloric acid is provided. Serpentine is used as a raw material, and is processed by a two-stage countercurrent leaching process in a hydrochloric acid system. A hydrometallurgical process is adopted, including beneficiation, wet grinding, slurry storage, filtration, two-stage atmospheric pressure hydrochloric acid leaching, washing and filtration of leached silica slag, iron removal and nickel precipitation from a leachate, separation, washing and filtration of a ferric hydroxide precipitate and a nickel hydroxide precipitate, crystallization and evaporation of a magnesium chloride solution, and hydrochloric acid preparation from a flue gas generated after thermal decomposition of magnesium chloride. The present disclosure develops a process of decomposing serpentine with hydrochloric acid and producing metallic magnesium by a drying-electrolysis method, and a process of producing industrial silicon by smelting silica slag in an electric furnace.

A floorboard includes a board body, a first coupling structure with a tenon and a second coupling structure with a mortise. The tenon includes a first side portion and a second side portion. A second side portion includes a first connecting surface and a second connecting surface. The mortise includes a first recess and a second recess. The second recess includes a third connecting surface and a fourth connecting surface. When two floorboards are connected, the first coupling structure of one of the two floors is matched with the second coupling structure of the other of the two floors, and the first connecting surface of one of the two floorboards is matched with the third connecting surface of the other of the two floorboards, so as to lock the connection of the two floorboards.

An electric lift device includes a frame assembly, a backrest, a bearing plate, at least two armrests and a driving mechanism. The frame assembly includes a first wheel frame, a second wheel frame, a first connection plate, at least two vertical rods, a sleeve rod and a second connection plate. The backrest is fixedly connected to an outer side of the sleeve rod. The bearing plate is connected to the sleeve rod. The at least two armrests are respectively provided at two lateral sides of the backrest. The driving mechanism is installed on a surface of the first connection plate, and is configured to drive the sleeve rod to move up and down.

A four-cylinder compressor, including a hollow base placed horizontally, a motor body fixed in the base, a cam mechanism in transmission connection to output shafts at two ends of the motor body and two cylinder groups arranged at the base. The cylinder groups are in transmission connection with the cam mechanism, each including a first cylinder and a second cylinder. The first cylinder and the second cylinder are fixedly arranged opposite to each other on the base along the vertical direction. The two first cylinders are connected, and the two second cylinders are connected. The four-cylinder compressor has a low center of gravity and good operation stability, and thus can bring better vibration performance and reliability.

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