Abstract: A weight delay device for weight training equipment includes a delay member vertically movable between a second top dead point and a second bottom dead point, and a locking assembly vertically movable with the main weight device of the weight training equipment and having a positioning member selectively locatable at a first position or a second position. When the positioning member is located at the second position and the main weight device starts to move from the first bottom dead point to the first top dead point, the positioning member and the delay member are combined with each other, so that the delay member moves with the main weight device to the first top dead point.

Abstract: A support mechanism includes a fixed body, a rotating unit, a moving unit and a driving unit. The rotating unit is rotationally mounted to the fixed body. The moving unit, disposed at the fixed body, includes a ball screw spline shaft, a ball screw nut and a ball spline nut. The ball screw nut and the ball spline nut are both rotatably disposed at the ball screw spline shaft moved together with the rotating unit. The driving unit, disposed at the fixed body, includes a first driving member and a second driving member to rotate the ball screw nut and the ball spline nut, respectively. With different rotation pairs of the ball screw nut and the ball spline nut to the ball screw spline shaft, the ball screw spline shaft is driven to move, and the ball screw spline shaft is further to move the rotating unit.

Abstract: A method of distributing task regions for a plurality of cleaning devices, including: dividing a task map into a plurality of basic sub-regions according to concave corners corresponding to the shape of the task map; combining each two adjacent basic sub-regions, and calculating basic cleaning time corresponding to each of the combined basic sub-regions; repeatedly combining each two adjacent basic sub-regions according to the basic cleaning time, and obtaining a basic partition result; selecting starting blocks according to positions of the plurality of task sub-regions in the basic partitioning result; combining the task sub-regions according to the position of each starting block, the position of each task sub-region, and the cleaning time corresponding to each task sub-region, and obtaining the task region distribution result; enabling cleaning devices to perform cleaning tasks according to the position of each cleaning device and the task region distribution result.

Abstract: A method of distributing task areas, adapted to a cleaning device, is provided, including: receiving a task map; obtaining a shape that corresponds to the task map; dividing the task map into a plurality of sub-regions according to a plurality of recesses in the shape; merging the two adjacent sub-regions that have a common long side or short side, and obtaining a plurality of merge results that correspond to each of the merge actions; calculating a plurality of cleaning times for each of the merge results for the cleaning device; selecting the merge result that has the shortest cleaning times as a first distribution result; and enabling the cleaning device to perform a cleaning task according to the first distribution result.

Abstract: A positioning system includes a storage device, a lidar and a controller. The storage device stores a global map. The lidar generates an initial local map. The controller rotates the initial local map to generate a rotated local map, compares the rotated local map and the initial local map separately with a plurality of partial areas of the global map, so as to obtain at least one similar area, calculates at least one candidate coordinates for a mobile device on the global map according to the center point of each of the similar areas, and calculates similarity scores according to each of the candidate coordinates, and selects the candidate coordinates having highest similarity score for use as coordinate of the mobile device on the global map.

Abstract: A display device includes a frame assembly, a display panel and a casing. The frame assembly includes a plate member and a frame body. A periphery of the plate member has a plurality of first connecting portions and a plurality of second connecting portions. A height difference exists between the first connecting portion and the second connecting portion. The first connecting portion has a first hole and the second connecting portion has a second hole. The frame body covers the periphery of the plate member. The frame body has a plurality of third connecting portions and a plurality of fourth connecting portions. The third connecting portion is embedded into the first hole and the fourth connecting portion is embedded into the second hole. The display panel is disposed on a first side of the frame assembly and the casing is disposed on a second side of the frame assembly.

Abstract: A display device includes a frame assembly, a display panel and a casing. The frame assembly includes a plate member and a frame body. A periphery of the plate member has a plurality of first connecting portions and a plurality of second connecting portions. A height difference exists between the first connecting portion and the second connecting portion. The first connecting portion has a first hole and the second connecting portion has a second hole. The frame body covers the periphery of the plate member. The frame body has a plurality of third connecting portions and a plurality of fourth connecting portions. The third connecting portion is embedded into the first hole and the fourth connecting portion is embedded into the second hole. The display panel is disposed on a first side of the frame assembly and the casing is disposed on a second side of the frame assembly.

Abstract: A method of distributing task regions for a plurality of cleaning devices, including: dividing a task map into a plurality of basic sub-regions according to concave corners corresponding to the shape of the task map; combining each two adjacent basic sub-regions, and calculating basic cleaning time corresponding to each of the combined basic sub-regions; repeatedly combining each two adjacent basic sub-regions according to the basic cleaning time, and obtaining a basic partition result; selecting starting blocks according to positions of the plurality of task sub-regions in the basic partitioning result; combining the task sub-regions according to the position of each starting block, the position of each task sub-region, and the cleaning time corresponding to each task sub-region, and obtaining the task region distribution result; enabling cleaning devices to perform cleaning tasks according to the position of each cleaning device and the task region distribution result.

Abstract: A method of distributing task areas, adapted to a cleaning device, is provided, including: receiving a task map; obtaining a shape that corresponds to the task map; dividing the task map into a plurality of sub-regions according to a plurality of recesses in the shape; merging the two adjacent sub-regions that have a common long side or short side, and obtaining a plurality of merge results that correspond to each of the merge actions; calculating a plurality of cleaning times for each of the merge results for the cleaning device; selecting the merge result that has the shortest cleaning times as a first distribution result; and enabling the cleaning device to perform a cleaning task according to the first distribution result.

Abstract: An automatic charging method for robots is provided, including the following steps: a control terminal generates a plurality of current tasks that correspond to different task areas according to a task map; a plurality of robots receive the current tasks, and the first battery level required for the current task is calculated; each of the robots ascertains a plurality of positions that correspond to a plurality of charging stations, and the second battery level required to arrive at each of the charging stations is calculated according to the current position of each of the robots and the locations of the charging stations; and each of the robots determines whether to charge its battery based on the current battery level, the first battery level, the second battery level, and the low battery threshold.

Abstract: A display device includes a display, a base, a flexible circuitry connecting the display to the base, and a support frame assembly disposed between the display and the base. The support frame assembly includes an inner rail connecting to the base, an outer rail connecting to the display, and a first stop member. The outer rail is movably connected to the inner rail so that the outer rail is disposed at a first position or a second position relative to the base. An accommodation space is formed between the outer rail and the inner rail for accommodating the flexible circuitry. The first stop member is disposed between the inner rail and outer rail and extends from the inner rail and away from the accommodation space for restricting the outer rail to move along the inner rail between the first position and the second position.

Abstract: A pedal mechanism for use with a stair-climber includes a first pedal unit, a second pedal unit, a restoring unit, and a baffling board. The first pedal unit has a first pedal holder and a first pedal disposed at the first pedal holder. The second pedal unit has a second pedal holder and a second pedal disposed at the second pedal holder. The restoring unit is disposed at the first pedal holder of the first pedal unit and has a restoring element. The baffling board is movably disposed between the first pedal holder and the first pedal. The baffling board has one end connected to the restoring element and the other end pivotally connected to the second pedal. The baffling board always conceals hollowed-out regions disposed between the first and second pedals, regardless of any change in the positions of the first and second pedals relative to each other.

Abstract: A urinal for both sexes includes a first vessel for receiving urine and a second vessel. The first vessel includes a first end fixed to a fixed object and hanging in air. The first vessel further includes a second end distant to the first end. The second vessel extends from the second end of the first vessel and has an upwardly facing opening. The second vessel intercommunicates with an interior of the first vessel. The second vessel is an extension having an elongated shape for aligning with a female urethral orifice. Since the second vessel is elongated, a male or female user intending to urinate can stand or semi-squat with both of the legs on opposite sides of the second vessel, providing wider application in use.

Abstract: A stair-climber includes a base, a first inclination unit, a second inclination unit, a step unit, and a sensor. The front end of the first inclination unit is slidably disposed at the base. The second inclination unit is pivotally connected to the rear end of the first inclination unit. The rear end of the second inclination unit is pivotally connected to the base. The inclination angle of the second inclination unit is adjusted by an inclination unit regulator disposed between the first and second inclination units. The step unit is disposed at the second inclination unit and has multiple steps. The steps undergo angle adjustment with a step regulator disposed at the second inclination unit and thus tilt at angles suitable for a tread performed by users ergonomically. The sensor is disposed at the rear end of the second inclination unit to detect whether the users have lost footing.

Abstract: A pedal mechanism for use with a stair-climber includes a first pedal unit, a second pedal unit, a restoring unit, and a baffling board. The first pedal unit has a first pedal holder and a first pedal disposed at the first pedal holder. The second pedal unit has a second pedal holder and a second pedal disposed at the second pedal holder. The restoring unit is disposed at the first pedal holder of the first pedal unit and has a restoring element. The baffling board is movably disposed between the first pedal holder and the first pedal. The baffling board has one end connected to the restoring element and the other end pivotally connected to the second pedal. The baffling board always conceals hollowed-out regions disposed between the first and second pedals, regardless of any change in the positions of the first and second pedals relative to each other.

Abstract: A stair-climber includes a base, a first inclination unit, a second inclination unit, a step unit, and a sensor. The front end of the first inclination unit is slidably disposed at the base. The second inclination unit is pivotally connected to the rear end of the first inclination unit. The rear end of the second inclination unit is pivotally connected to the base. The inclination angle of the second inclination unit is adjusted by an inclination unit regulator disposed between the first and second inclination units. The step unit is disposed at the second inclination unit and has multiple steps. The steps undergo angle adjustment with a step regulator disposed at the second inclination unit and thus tilt at angles suitable for a tread performed by users ergonomically. The sensor is disposed at the rear end of the second inclination unit to detect whether the users have lost footing.

Abstract: A display device includes a display, a base, a flexible circuitry connecting the display to the base, and a support frame assembly disposed between the display and the base. The support frame assembly includes an inner rail connecting to the base, an outer rail connecting to the display, and a first stop member. The outer rail is movably connected to the inner rail so that the outer rail is disposed at a first position or a second position relative to the base. An accommodation space is formed between the outer rail and the inner rail for accommodating the flexible circuitry. The first stop member is disposed between the inner rail and outer rail and extends from the inner rail and away from the accommodation space for restricting the outer rail to move along the inner rail between the first position and the second position.

Abstract: An incline angle adjustable stair climbing machine includes a base frame, a tilting seat pivotally mounted at the base frame, a tilting seat adjuster for adjusting an incline angle of the tilting seat relative to the base frame, a staircase mounted at the tilting seat and including a plurality of tread boards biasable relative to the tilting seat, and a tread board adjuster mounted at the tilting seat for adjusting a biasing angle of the tilting seat to maintain the plurality of tread boards constantly horizontal for enabling a user to conduct stair-climbing exercises at different climb gradients while maintaining good posture.

Abstract: An internal combustion engine using water as auxiliary power includes an engine body and a water spraying system. The engine body includes a combustion chamber. The water spraying system includes a water spraying motor having a water outlet and a nozzle connected to the water outlet of the water spraying motor. The nozzle includes an end received in the combustion chamber of the engine body.

Abstract: An incline angle adjustable stair climbing machine includes a base frame, a tilting seat pivotally mounted at the base frame, a tilting seat adjuster for adjusting the incline angle of the tilting seat relative to the base frame, a staircase mounted at the tilting seat and including a plurality of tread boards biasable relative to the tilting seat, and a tread board adjuster mounted at the tilting seat for adjusting the biasing angle of the tilting seat to maintain the tread boards constantly in horizontal for enabling the user to conduct stair-climbing exercises at different climb gradients while maintaining good posture.