Abstract: A protecting case for protecting an electronic device includes a hollow main body. The electronic device is received in the main body. The main body is filled with gas having a density less than a density of air, to make the main body and the electronic device suspend in air while received in the main body.

Abstract: An electronic device having a processing unit and storage device receives point cloud data, and divides a bounding box of the point cloud data into a plurality of segmented boxes. Then, the processing unit selects a plurality of data boxes each having at least one point from the segmented boxes and assigns a reference value to each such point in the data boxes. The processing unit selects initial sampling points from the points in the data boxes, based on the reference values, to form a sample point cloud and adds to or subtracts from the sample point cloud based on the number of initial sampling points and a predetermined sampling rate.

Abstract: A bumper assembly for a car includes a bumper and at least two buffering assemblies inclined to each other. Each buffering assembly includes an elastic member, a pivoting member, and a coupling rod. The pivoting member is coupled to a first end portion of the elastic member. The pivoting member is configured to pivot to the car. The coupling rod is coupled to a second end portion of the elastic member. An end portion of the coupling rod away from the elastic member is pivoted to the bumper.

Abstract: A method for anodizing and dyeing a metallic article including a decorated surface to be dyed, includes steps as follows: anodizing the metallic article to form an anodization layer on the decorated surface by an anodizing treatment, in which the anodization layer is porous with a number of holes; sealing the anodization layer of the metallic article anodized by a first sealing treatment in a first sealing solution, in which a contacting time of the anodization layer and the first sealing solution changes gradually along a predetermined direction, and thereby a depth of the holes of the anodization layer after sealing changes gradually along the predetermined direction; and coloring the metallic article sealed in a dyeing treatment.

Abstract: An electronic device comprises a touch screen, a distance determining module, a touch determining module, and a warning control module. The distance determining module determines whether a distance between the touch screen and an object in front of the touch screen is less than or equal to a distance limit. The touch determining module determines whether a touch action is applied to the touch screen within a first predetermined time when the distance between the touch screen and the object is less than or equal to the distance limit. The warning control module controls the electronic device to send a warning to a user when no touch action is applied to the touch screen within the first predetermined time.

Abstract: An electronic device includes a temperature and humidity sensor, a timing unit, and a storage unit storing a number of temperature values provided by weather forecast. Each of the temperature values provided by the weather forecast is associated with one time point. The electronic device obtains the temperature value and the humidity value sensed by the temperature and humidity sensor, obtains current time from the timing unit, associates the obtained temperature value and the humidity value with the current time, and stores the associated temperature value, humidity value, and the current time. The electronic device further compares each obtained temperature value with each temperature value provided by the weather forecast to find at which time point there is a match, searches in the storage unit to determine that each determined humidity value associated with one found time point is a humidity value with accuracy.

Abstract: A computing device converts each input signal corresponding to a key of a music keyboard into a tone of the musical instrument associated with the key. The computing device outputs each tone of the musical instrument using an audio device connected to the computing device. The computing device converts each tone of the musical instrument into a note and stores the note into a musical score.

Abstract: Joint structure includes a joint plug assembly and a joint outlet assembly. The joint plug assembly includes a plug body, a sealing member, and a flexible member. The plug body defines a receiving channel including a first receiving hole and a second receiving hole communicating with the first receiving hole. A diameter of the second receiving hole is smaller than that of the first receiving hole. The plug body includes a spherical outer surface. The flexible member biases the sealing member to block the second receiving hole. The joint outlet assembly includes an outlet body and a pin. The outlet body defines a latching groove, and the latching groove forms a spherical inner surface. The pin is received in the latching groove and defines at least one groove along a longitudinal direction thereof.

Abstract: A testing device includes a positioning mechanism, a testing mechanism, and a controller. The testing device is used for testing lengths, widths, straightness, verticality, flatness, position of the testing points, and other dimensions of a workpiece. The positioning mechanism is used for positioning the workpiece. The testing mechanism is fixed on the positioning mechanism for testing dimensions of the workpiece at one time. The controller is electrically coupled to the testing mechanism for controlling the testing mechanism in use.

Abstract: An assembly mechanism for assembling an annular workpiece to a fixture, includes a base seat, a fetching assembly, a guiding assembly, and a releasing assembly. The base seat defines a feeding hole and an uploading groove. The fetching assembly includes a first driving member and fetching subassembly. The fetching subassembly includes a sliding member and a fetching member, the handing member defines a fetching hole. The guiding assembly includes a guiding rod. The releasing assembly latches with the handing member. Wherein the first driving member drives the sliding member to slide from the uploading groove to the feeding hole, thereby fetching the workpiece from the uploading groove to the feeding hole, the guiding rod extends into the workpiece to position it, the releasing assembly releases the workpiece, then the workpiece is blown away from the guiding rod and is positioned on a top of the fixture.

Abstract: The present disclosure provides a method for testing a USB cable applied in an electronic device. The electronic device includes a battery charged by a charger via the USB cable. The method can include determining at least two different values of charging currents. The method can further include generating a first control signal according to the determined values of charging currents. Sending the first control signal to the charger via the USB cable, to inform the charger to respectively charge the battery by charging currents with the determined values. Detecting values of at least two voltages output to the battery. Comparing a calculated variation degree between the detected values of voltages with a preset variation degree. Generating a first type of message according to a compared result between the calculated variation degree and the preset variation degree.

Abstract: A testing circuit for testing proper connections between pins and corresponding circuits within an integrated circuit includes a pin selection module. The pin selection module includes a plurality of input pins, an output pin, and a control pin. The pin selection module selectively connects one of the input pins to the output pin based upon a control signal from the control pin. A voltage-dividing module includes an input end to receive a test voltage, an output end connected with the output pin of the pin selection module, and a voltage-dividing element connected between the input end and the output end. A determination module receives an output voltage from the output end, and determines whether the voltage of the output end falls into one of several predetermined voltage ranges, and outputs a result accordingly.

Abstract: A handwriting input recognizing method comprises following steps. Recognize an initial touch point of a touch. Determine an input region associated with the initial touch point. Display the input region. Recognize and display a handwritten input in the input region. Determine whether there is a handwritten input reaches the boundary of the input region. If yes, recognize and display the letters associated with the handwritten input and determine whether the input region receives another handwritten input during a predefined time duration. If yes, determine the sting of letters associated with the handwritten input is a first portion of a complete word, and the sting of letters associated with the another handwritten input is a last portion of the complete word. Combine the first portion and the last portion into a complete word. display letters of the first portion and the last portion in a substantially same size.

Abstract: A measuring device for measuring and inspecting various linear dimensional properties of a machined groove in a workpiece includes a fixing base, a measuring assembly, and first and second positioning members received through and protruding from the fixing base at right angles during the movement of the measuring assembly. The measuring assembly includes a measuring member, a shim, and an elastic member, the shim sleeves on an end of the measuring member, and the elastic member resists between the shim and the fixing base. The measuring assembly, together with the first positioning member and the second positioning member, enable the required depth and relative position of the machined groove to be accurately determined and inspected.

Abstract: A clamping assembly includes a base, a clamping block, a first linkage, and a second linkage. The clamping block includes a rotating portion and a clamping portion. The rotating portion is rotatably connected to the base. The clamping portion extends out from the rotating portion towards the base. The first linkage is rotatably connected to the base, and includes a first rod portion and a second rod portion extending from the first rod portion. The second linkage includes a third rod portion and a fourth rod portion extending from the third rod portion. The third rod portion rotatably connects with the first rod portion. The fourth rod portion rotatably connects with the rotating portion of the clamping block.

Abstract: A centrifuge includes a centrifuging compartment, a supporting assembly adjacent to the centrifuging compartment, a rotation mechanism mounted on the supporting assembly, and a feeding frame positioned in the centrifuging compartment. The centrifuging compartment includes a housing defining a inlet on a top thereof and a sealing cover pivotably coupling to the housing to cover the inlet. The supporting assembly includes a supporting portion positioned beside the housing and a base plate mounted on the supporting portion and located above the housing. The rotation mechanism rotatably extends through the top surface of the housing and the base plate, and coupling to a bottom surface of the housing. The feeding frame is positioned in the housing and coupling to the rotation mechanism, comprising a loading portion, and defining a positioning hole on a top thereof.

Abstract: A clamping device includes a supporting bracket, a lifting assembly, a first adjusting assembly and a holding assembly. The supporting bracket includes a supporting member. The lifting assembly includes a first lifting member, a second lifting member, a fixed pulley, a connecting member and a clump weight. The first lifting member and the second lifting member are both slidably sleeved on the supporting member. The fixed pulley is mounted on the supporting member. The connecting member is arranged on the fixed pulley and couples the first lifting member to the second lifting member. The clump weight is detachably fixed to the first lifting member. The first adjusting assembly includes a first fixed member rotatably sleeved on the second lifting member and a first adjusting member rotatably sleeved to the first fixed member. The holding assembly is rotationally mounted on the first adjusting member.

Abstract: A video playing method for an electronic device, the electronic device includes a display and an image capturing apparatus. The image capturing apparatus captures images in real-time while a video is being displayed by the electronic device. The electronic device determines whether each of the images captured by the image capturing apparatus includes facial characteristics. If one or more images do not include the facial characteristics, the video is automatically paused.

Abstract: A riveting punch employed to punch an annular workpiece into a riveting hole defined on another workpiece. The riveting punch includes a punching member and a positioning member coupled to the punching member. The punching defines a first gas channel extending through a first end, and a mounting hole and a number of suction holes extending through a second end. The suction holes communicate with the first gas channel, and are arranged around the mounting hole. A first end of the positioning member is securely received in the mounting hole, and a second end of the positioning member has a positioning end. The guide end includes a positioning portion configured to match with the annular workpiece, and a guide portion extending from an end of the positioning portion. The guide portion includes a curved guide surface on an end.