Abstract: Disclosed is a decryptor device configured for a user to solve a preset set of secret codes, the preset set of secret codes including a plurality of secret codes selected from a given code set. The device includes: a housing; a power supply module; a main control module; a code input module electrically connected to the power supply module and communicatively connected to the main control module, the code input module configured to input at least a solution code set, the solution codes being selected from the given code set; and a display module electrically connected with the power supply module and communicatively connected with the main control module, the display module including at least one set of display units. The display module operates in association with the code input module to display each set of solution codes as they are input.

Abstract: The present disclosure belongs to the field of intelligent hardware, and particularly relates to an intelligent chess device and a modular chess device. The intelligent chess device of the present disclosure includes a chessboard, the chessboard being divided into a plurality of chess grids, and each chess grid corresponding to one piece of chess piece position information; a control module; a chess piece information input module, configured to at least receive chess piece position information input by a user and communicate with the control module; and a display module, configured to be controlled by the control module to respond to the chess piece position information input by the user, so as to present corresponding display information on the chessboard.

Abstract: An intelligent game device, including: a panel having a plurality of game positions disposed thereon; a plurality of game objects, a respective game object can be placed onto or moved over the panel to occupy at least one game position of the plurality of game positions during game play; an abrupt event trigger configured to be operable to trigger the occurrence or non-occurrence of an abrupt event among one or more abrupt events, the triggering result of each operation of the abrupt event trigger includes the occurrence or non-occurrence of an abrupt event; wherein, the intelligent game device is configured so that the triggering result of the abrupt event trigger can affect the state(s) or action(s) of the relevant game object(s) during the game process.

Abstract: The present application relates to a klotski game including a plurality of game pieces, a game board and a prompter. The plurality of game pieces includes a decisive game piece. The game board is configured to accommodate the plurality of game pieces and the game board is provided with an exit. The prompter is configured to indicate that a game of the klotski game is over when the decisive game piece is moved to a position corresponding to the exit on the game board.

Abstract: The present disclosure relates to an electrochemical device for extracting copper from copper-containing wastewater and an extraction method using the same. Cu-based chalcogenide, as an electrode material, forms an electrochemical device with other electrodes. The device is an electrocatalytic coupling deionization system with electrochemical oxidative decomplexing performance, and has a good selective removal effect of Cu2+ from organic complex copper-containing wastewater, strongly acidic wastewater, and wastewater interfered by high concentration salt ions and heavy metal ions. With this device, the organic complex pollutant Cu-EDTAn can be effectively decomplexed to complete the extraction of Cu2+.

Abstract: Disclosed are a smart spindle with a replaceable battery, and a smart Rubik's cube. The smart spindle comprises a core (100), a sensor (200) and a main control module (310), wherein the core (100) comprises a housing (110) with a cavity (111); the main control module (310) is mounted inside the cavity (111); the sensor (200) is electrically connected to the main control module (310); the sensor (200) is mounted at the core (100); the cavity (111) is also used for mounting a battery (400), the housing (110) is provided with a notch (112) for having access to the battery (400), and the notch (112) is in communication with the cavity (111); or, the exterior of the housing (110) is used for mounting the battery (400), and the housing (110) is provided with a through hole (113), such that the cavity (111) is in communication with the exterior of the housing (110) via the through hole (113).

Abstract: An intelligent Score Four, comprising: chess pieces and a chessboard. The chessboard comprises an upper panel, an electronic element, and a power supply. The upper panel is provided with several movement intervals where L layers of chess pieces can be stacked; the movement intervals are arranged in an array of M rows and N columns; L, M, and N are all natural numbers greater than or equal to 4; the electronic element comprises a monitor, a processor, and an alarm device. Each movement interval is accordingly provided with a monitor. An output end of the monitor is connected to an input end of the processor. An output end of the processor is connected to the alarm device. The monitor is configured to monitor the variation value of the number of chess pieces in the movement interval). The processor determines the alignment state and the spatial position state of the chess pieces.

Abstract: The present application relates to a klotski game including a plurality of game pieces, a game board and a prompter. The plurality of game pieces includes a decisive game piece. The game board is configured to accommodate the plurality of game pieces and the game board is provided with an exit. The prompter is configured to indicate that a game of the klotski game is over when the decisive game piece is moved to a position corresponding to the exit on the game board.

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.

Abstract: Disclosed are a smart spindle with a replaceable battery, and a smart Rubik's cube. The smart spindle comprises a core, a sensor and a main control module, wherein the core comprises a housing with a cavity; the main control module is mounted inside the cavity; the sensor is electrically connected to the main control module; the sensor is mounted at the core; the cavity is also used for mounting a battery, the housing is provided with a notch for having access to the battery, and the notch is in communication with the cavity; or, the exterior of the housing is used for mounting the battery, and the housing is provided with a through hole, such that the cavity is in communication with the exterior of the housing via the through hole.

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.

Abstract: An intelligent magic cube, and a sensing shaft center structure and a timing method used thereby. The sensing shaft center structure comprises a main body; the main body comprises a core (1) having an internal cavity, and several tubular shafts (2) communicated with the core (1). An internal central control module (3) is provided inside the cavity, and comprises a state obtaining unit. Each tubular shaft (2) is provided with a state signal sending set (4). The state signal sending set (4) comprises a signal selector and multiple signal exciters. The signal selector may be paired with any signal exciter, and generate a corresponding state signal. The state obtaining unit is configured to be able to receive the state signal sent from the state signal sending set (4).

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.

Abstract: An intelligent magic cube, and a sensing shaft center structure and a timing method used thereby. The sensing shaft center structure comprises a main body; the main body comprises a core (1) having an internal cavity, and several tubular shafts (2) communicated with the core (1). An internal central control module (3) is provided inside the cavity, and comprises a state obtaining unit. Each tubular shaft (2) is provided with a state signal sending set (4). The state signal sending set (4) comprises a signal selector and multiple signal exciters. The signal selector may be paired with any signal exciter, and generate a corresponding state signal. The state obtaining unit is configured to be able to receive the state signal sent from the state signal sending set (4).

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.

Abstract: Techniques for improving data rates at mobile terminals that are subject to periodic channel interruptions in a beyond-line-of-sight communication system are disclosed, including improved encoding and decoding systems that identify blockages and modify receiver operation during blockages to reduce data errors. In certain embodiments, encoding, symbol mapping, interleaving, and use of unique periodic identifiers function to enable a series of packets that may be received in a blockage impaired channel with reduced errors.