Abstract: A method for controlling wireless internet connection of an electronic device is provided. The electronic device tracks the habits of a user of starting or ending the application and adjusts itself to match the habits, the application is based on the Internet. The electronic device automatically disconnects a communication link between the electronic device and the network of mobile Internet when the current time is an idle usage time of the application.

Abstract: A household appliance control method sets a number of orientations of a number of household appliances in a particular area. Each orientation corresponds to one of the household appliances. A sliding operation applied to a touch screen of an electronic device is obtained. When a direction of the sliding operation matches the orientation of one of the household appliances, a control signal is sent to a corresponding household appliance to control the household appliance to perform a corresponding function.

Abstract: A game control system and method compute a finger contact area of at least one finger of a user when the user touches a touch-input unit to play a game. An age range of the user corresponding to the obtained finger contact area is determined according to the obtained finger contact area and a relationship between finger contact areas and age ranges of the users. A difficulty setting of the game is adjusted according to the determined age range of the user and a relationship between age ranges and difficulty settings of the game. An electronic device is also provided.

Abstract: A measuring device configured to measure height of a workpiece includes a base, an automatic positioning mechanism and a measuring mechanism. The automatic positioning mechanism includes a positioning block, two clamp modules, and a controlling module. An upper surface of the positioning block configured to hold the work piece is a curve. Each clamp module includes a clamp sliding block. One end of each clamp sliding block includes a trough. The controlling module includes two extending portions, and each extending portion includes a bevel. The two clamp sliding blocks are positioned between the two extending portions and resisted against the two bevels. Thus, the two bevels can move the two clamp sliding blocks. The measuring module includes a positioning sliding block and a measuring sliding block. The measuring sliding block is mounted in a pre-determined distance away from the base to measure the height of the work piece.

Abstract: A transport cart includes a main body and a plurality of fixing mechanisms assembled to the main body. The main body includes a plurality of supports and a plurality of rollers. Each fixing mechanism includes a first fixing element, a rotating element coupled to the first fixing element, a slider, a connecting element, a pull rod connected to the rotating element, and an elastic element assembled to the main body. The rotating element includes a first spiral arm and a second spiral arm, the slider includes a second fixing element and a stay bar. The second spiral arm can be engaged with the connecting element, to slip the stay bar relative to the support. The elastic element resists against the pull rod, to maintain attachment between the rotating element and the corresponding support.

Abstract: A three terminal battery includes a first positive electrode, a first negative electrode, a second positive electrode, a second negative electrode connected to the first negative electrode, a first terminal, a second terminal, and a third terminal. The first positive electrode is connected to the first terminal. The second positive electrode is connected to the second terminal. The first negative electrode and the second negative electrode are connected to the third terminal.

Abstract: A reader includes a body and a scan member. The body includes a scan zone configured for placing at least one barcode and an electronic tag. The scan member is mounted on the body and is aligned to the scan zone. The scan member includes a barcode reading module and a RFID reader module. The barcode reading module reads barcode information from the barcodes; the RFID reader module reads electronic information from the RFID tag and writes the barcode information into the electronic tag.

Abstract: An accelerator and brake pedal device includes a connecting lever, a brake pedal assembly, an accelerator pedal assembly, an accelerator control circuit, and a resisting member. The brake pedal assembly is coupled to the connecting lever. The accelerator pedal assembly is rotatably coupled to the brake pedal assembly. The accelerator control circuit has an accelerator control switch. The resisting member is positioned on the connecting lever away from the brake pedal assembly. The accelerator control switch is resisted to turn off by the resisting member and break the accelerator control circuit. The resisting member is moved by the accelerator pedal assembly toward the accelerator control switch. The accelerator control circuit is rendered inoperative when the resisting member is moved by the accelerator pedal assembly toward the accelerator control switch. The accelerator control circuit is rendered operative when the accelerator pedal assembly is released.

Abstract: A coating removing device includes a coating thickness gauge configured for detecting a thickness of a coating layer formed on a surface of a article. A controller configured for determining an intensity of a laser beam needed to be emitted according to the thickness of the coating layer detected by the coating thickness gauge. In addition, a laser emitter emits the laser beam to the coating layer to remove the coating layer, the laser beam having the intensity determined according to the thickness of the coating layer. The intensity and energy of the laser beam arrived the surface of the article is changed over the coating thickness on the surface, the coated adhesive layer of the PCB is removed, and the appearance of the PCB will not be damaged.

Abstract: In a ringtone control method executed in an electronic device receiving a call, an image capturing device captures images of surroundings of the electronic device in the event of receiving a call. The absence or presence of a person in the surroundings of the electronic device is detected and, if a person is found, whether the person is moving towards or away from the electronic device is detected according to the images. If the person is moving towards the electronic device, a ringtone volume of the call is decreased. If the person is moving away from the electronic device, the ringtone volume of the call is increased.

Abstract: A monitoring system includes a radio frequency identification (RFID) reader, an alarming unit, and a controlling unit. The RFID reader is buried in a predetermined area and reads identification information of an item. The controlling unit is coupled between the RFID reader and the alarming unit, the controlling unit receives the identification information from RFID reader and controls the alarming unit according to the identification information.

Abstract: A thermal imaging device includes an optical module gathering infrared radiation of a circuit board and correspondingly providing infrared light, a photo sensor converting the infrared light into a first electrical signal, a processor, and a thermal imaging control system having one or more programs stored in a storage and executed by the processor. The system includes an image processing unit converting the first electrical signal into a thermal image signal, a comparing unit comparing the thermal image signal with circuit diagram of the circuit board to determine at least one abnormal temperature element, and a display control unit controlling a screen to display a thermal image of the circuit board together with a label comprising at least one name of the at least one abnormal temperature element on the screen.

Abstract: A device for replacing sanding elements of a polishing device includes a first support, a second support, a feeder assembly, a suction assembly, a first pushing assembly, a second pushing assembly, and a clamping assembly. The feeder assembly includes a receiving member configured to receive the sanding elements, and a supporting member positioned below the receiving member. The suction assembly includes a suction member configured to draw a sanding element from the receiving member, and a rotary actuator configured to rotate the suction member. The first pushing assembly is configured to receive the sanding element from the suction member and transport the sanding element to the polishing device. The clamping assembly is configured to attach an unused sanding element to, and detach a used sanding element from, a manipulator of the polishing device, and the second pushing assembly is configured to separate the sanding element from the clamping assembly.

Abstract: A support stand includes a housing, a first limiting member, a linkage bar, a first elastic positioning device, and a first supporting arm. The housing defines a receiving groove and a first hollow portion. The receiving groove is configured to receive an electronic device. The first limiting member is fixed in the first hollow portion. The first limiting member defines a first limiting groove. The linkage bar and the first elastic positioning device are movably received in the first hollow portion. The first elastic positioning device is configured to partially limit the first limiting groove, thus the linkage bar is fixed to the housing. The first supporting arm is slidably and rotatably connected to the linkage bar. The first supporting arm is configured to form a desired angle with the housing, whereby the first supporting arm cooperates with the housing to support the housing and the electronic device.

Abstract: A method with a warning function includes: determining whether an electronic device is in a first preset state, wherein, the first preset state of the electronic device can be a state that the electronic device is being charged or a state in which the temperature of the electronic device is greater than a preset temperature; determining, when the electronic device is in the first preset state, whether the electronic device is contacted by a user via a sensing unit; controlling, when the electronic device is contacted by the user, a timer to record a contact duration; determining whether the contact duration recorded by the timer is greater than a first preset time; and controlling, when the contact duration is greater than the first preset time, a prompt unit to generate a warning signal.

Abstract: A positioning device includes a fixing mechanism, a first positioning assembly, a second positioning assembly. The fixing mechanism includes a base, a first moving member movably passing through the base, and a second moving member movably passing through the base. The first positioning assembly includes a bottom board and two first guide portions protruding from the bottom board. Each first guide portion forms one first incline surface. The second positioning assembly includes a base body and two second guide portions. The base body is positioned between the two first guide portions respectively positioned on opposite side surfaces of the base body. Each second guide portion forms a guiding surface. The first moving member is fixed with the bottom board at one end away from the base. The second moving member is fixed with the base body at one end away from the base.

Abstract: A fluid supply device includes a base member including an end plate and a rod perpendicularly extending from a first end of the end plate and defining a first channel axially and a through slot radially, a container attached to a second end of the end plate opposite to the first end and defining a second channel to contain fluid, a pushing member slidably received in the first channel and the second channel, an actuating sleeve threadedly engaging with the rod, and a fixing member attached to the actuating sleeve and extending through the through slot and the pushing member. The actuating sleeve is rotated to drive the pushing member to slide in the first channel and the second channel to push the fluid.

Abstract: A storage management method includes the following steps: detecting sizes of shared storage spaces of terminal devices joined in a sharing system; classifying the terminal devices joined in a sharing system to a number of kinds of terminal devices according to a size of the shared storage space of each terminal device; mapping the shared storage spaces of each kind of terminal devices of each device group to virtual disks with corresponding storage capacities of a virtual disk array card one by one; receiving a storing request to store a file to a cloud, and determining a size of the file to be stored and selecting one virtual disk whose storage capacity is nearest and greater than or equal to the size of the file, and storing the file to the shared storage spaces of the terminal devices mapping to the selected virtual disk.

Abstract: A cylinder includes a cylinder body assembly, a cylinder rod assembly, and a piston assembly. The cylinder body assembly includes a cylinder body. The cylinder body defines a receiving chamber. The cylinder rod assembly includes a rod fixed with the cylinder body. The rod includes an inclined resisting surface. The piston assembly includes a piston, a piston rod, and one or more resisting member. The piston is slidably received in the receiving chamber and sleeved on the rod. The piston rod protrudes from the piston and extending out from the receiving chamber. The piston rod is sleeved on the rod, and defines a through hole. The resisting member is movably mounted in the through hole. The piston and the piston rod slide relative to the rod, which enable the resisting surface to resist the resisting member to be partially exposed from the through hole.

Abstract: Clamping device for clamping a workpiece defining at least three protection holes, includes a supporting seat, a pressing plate, a clamping assembly, and an operation assembly. The supporting seat can define a sliding groove, a first receiving groove, a second receiving groove, and a receiving hole, and includes a protrusion portion. The pressing plate can be securely stacked upon the supporting seat. The clamping assembly can include a first and a second clamping subassembly, and is sandwiched between the supporting seat and the pressing plate. The operation assembly can include a locking member and a transmission pin eccentrically assembled to an end of the locking member. When the locking member is rotated, the transmission pin can be driven to resist the second clamping subassembly to be partially exposed from the supporting seat, simultaneously. The locking member can resist the first subassembly to be partially exposed from the supporting seat.