Abstract: An electronic device includes a casing and a connector module. The casing has a notch. The connector module includes a connector main body, a cover, a first position-limiting portion, a second position-limiting portion and an elastic component. The connector main body is disposed on the casing and corresponding to the notch. The cover is pivoted with the casing. The cover is adapted to rotate to a first position to cover the notch or rotate to a second position to expose the notch. The first position-limiting portion has at least one position-limiting hole. The first position-limiting portion and the second position-limiting portion have a gap therebetween. The elastic component is disposed in the gap and partially inserted into the position-limiting-hole. The cover presses the elastic component on the casing and is adapted to restore from the second position to the first position by elastic force of the elastic component.

Abstract: A power management device of a wireless sensor network includes a setting unit, a detecting unit and a selecting unit. The setting unit sets relay nodes to work in a fully-functional operating mode and sets ordinary nodes to work in a semi-functional operating mode. The detecting unit detects whether powers consumptions of multiple relay nodes are lower than a threshold, confirms that a relay node is lack of power when the power of the relay node is lower than a threshold and collects power information and address information of ordinary nodes. The selecting unit selects a new relay node according to the collected power information and address information of the ordinary nodes, and sets the low-power-reserves relay node as an ordinary node. A power management method of the wireless sensor network is also provided.

Abstract: An electronic device includes a casing and a connector module. The casing has a notch. The connector module includes a connector main body, a cover, a first position-limiting portion, a second position-limiting portion and an elastic component. The connector main body is disposed on the casing and corresponding to the notch. The cover is pivoted with the casing. The cover is adapted to rotate to a first position to cover the notch or rotate to a second position to expose the notch. The first position-limiting portion has at least one position-limiting hole. The first position-limiting portion and the second position-limiting portion have a gap therebetween. The elastic component is disposed in the gap and partially inserted into the position-limiting-hole. The cover presses the elastic component on the casing and is adapted to restore from the second position to the first position by elastic force of the elastic component.

Abstract: An approach is provided for synchronizing elements in files across a technical environment. In one embodiment, a processor obtains a first change to a first file. The processor also obtains data identifying a second file. The processor determines if the change is supported by a data library in a pre-defined list of data sources. The processor analyzes the data library to determine a type of the change. The processor applies the type of the change to the second file.

Abstract: An approach is provided for dynamically enhancing and visually synchronizing elements in a display on a computing device. The approach includes using a processor to obtain a change to a first file and data identifying a second file one or more characteristics from a source file. The processor determines if the change is supported by a data library and analyzes the data library to determine the type of change. The processor then applies the type of change to the second file and generates a display associated with the second file on the computing device that includes the type of change applied to the second file.

Abstract: A device which has both educational and entertainment purposes. The device has a housing which allows multiple instances of the device to be stacked together. The device has a CPU, memory, storage, and a wireless module which allows communications with a base computer. The device also has a flat touch screen which serves as the user interface. The touch screen also serves as the video display for the device. Each device is approximately the size of a conventional building block. Variants include having some sides equipped with protuberance and some sides are equipped with voids. The protuberances of one device is constructed and arranged to interlockingly mate with the voids of another device. The device may be used in conjunction with multiple types of applications which have both educational and entertainment uses. The device may be used to receive images, data, commands, etc. from the base computer and the device may be used in conjunction with other similar devices.

Abstract: Systems, methods, and devices relating to an educational system for children as young as a few months old. The system has different modules which are geared towards different educational aims. Each module teaches a different educational area with the areas ranging from science, math, history, social interaction. The system provides a structured approach such that the child user is tasked with a single module to be completed per month. At the end of a predetermined period, a test module may be completed with assistance from an adult to test the child's retention of the lessons. The various lessons are structured as playful, fun activities with colorful icons, fun sounds, and varying degrees of complexity.

Abstract: Systems, methods, and devices for providing digital content for educational and entertainment purposes. Learner computing devices for use by learners are networked with an educator computing device and a database server. Parameter input from the educator computing device is received at each of the learner computing devices and an activity is presented by the learner computing device to the learner. The activity's parameters are determined by the parameters received from the educator computing device. Data regarding the learner's performance in the activity is gathered and sent as a database entry to a database. A server then retrieves and processes the data and the processed data is sent to the educator computing device. The processed data displays whether the learner requires further instructions or more attention from the educator. Each learner computing device may be used with multiple learners.

Abstract: A power supply test device includes a function generator, a loading circuit, a current detection circuit, and a controller. The function generator outputs a square-wave signal to the loading circuit. The loading circuit is electronically connected to a power supply, the loading circuit regulates an output current of the power supply according to the square-wave signal. The current detection circuit cooperates with the controller in detecting a slope of the output current. The controller compares the detected slope with a preset value, and regulates the square-wave signal according to the comparison to regulate the slope of the output current.

Abstract: A control circuit includes a power controller, a comparator, and first to fifth electronic switches. When an electronic device is operating with light load, a voltage received by the inverting terminal of the comparator is less than a voltage received by the non-inverting terminal of the comparator, such that the first and fourth electronic switches are turned on, and the second, third, and fifth electronic switches are turned off. A first power supply is output to the switching power supply. When the electronic device is operating with heavy load, the voltage received by the inverting terminal of the comparator is greater than the voltage received by the non-inverting terminal of the comparator, such that the first and fourth electronic switches are turned off, and the second, third, and fifth electronic switches are turned on. A second power supply is output to the switching power supply.

Abstract: A handle for a computing device having a touch screen, wherein the handle is affixed to the computing device, and the handle is made of material that is suitable for gripping by an infant and the handle is of a specific size range such that the handle is capable of being gripped by an infant.

Abstract: A motherboard includes a processor socket, a platform controller hub (PCH), a power circuit, a switch unit, and a memory slot. The PCH is connected to the memory slot and output a bus signal to a serial advanced technology attachment dual in-line memory module (SATA DIMM) when a SATA DIMM is inserted in the memory slot and when the switch unit is in a first state. When a memory module is in the memory slot the power circuit outputs a voltage to the memory module in response to a second state of the switch unit.

Abstract: A monitor device is used to monitor power parameters of a CPU of a computing device. The monitoring device comprises a main circuit board, a connector, and a parameter monitoring device. The parameter monitoring device comprises an acquisition unit, a processing unit, and a display unit. The main circuit board is connected to a power supply and provides power signals to one or more power pins of the CPU. The connector is connected between the main circuit board and the CPU. The parameter monitoring device is connected to the CPU through the connector. The acquisition unit acquires a voltage passing through each power pin of the CPU after the CPU is powered to work. The processing unit processes the voltage acquired from each of the one or more power pins to obtain power parameters of the CPU. The display unit displays the power parameters.

Abstract: A software execution method is provided. The software execution method includes the following steps. An operating system kernel is started, which is commonly used by a first operating system and a second operating system. One or more driver modules is loaded into the kernel of the first operating system. Under a root of one of the first and the second operating systems, the one of the first and the second operating systems can start to be performed. A procedure is forked to chroot a root of the other one of the first and second operating systems. Under the root of the other one of the first and the second operating systems, the other one of the first and the second operating systems can start to be performed. An electronic device using the same is also provided.

Abstract: Systems and methods for measuring and improving a young child's mental abilities on a tablet computer. A user of the tablet computer is prompted for the child's age and, based on the age, the expected performance or abilities of the child are provided. The child can be assessed using a number of activities whereby the child identifies and/or matches various objects. The assessment can be done by timing the activity to completion, determining how many errors/tries were needed to complete the activity, or any other number of assessment techniques. The child's performance is then compared against expected metrics for children of a similar age. The activities can range from games that involve identifying everyday objects to the introduction of mathematical concepts and numbers to identifying and/or matching animals.

Abstract: A device which has both educational and entertainment purposes. The device has a housing which allows multiple instances of the device to be stacked together. The device has a CPU, memory, storage, and a wireless module which allows communications with a base computer. The device also has a flat touch screen which serves as the user interface. The touch screen also serves as the video display for the device. Each device is approximately the size of a conventional building block. Variants include having some sides equipped with protuberance and some sides are equipped with voids. The protuberances of one device is constructed and arranged to interlockingly mate with the voids of another device. The device may be used in conjunction with multiple types of applications which have both educational and entertainment uses. The device may be used to receive images, data, commands, etc. from the base computer and the device may be used in conjunction with other similar devices.

Abstract: A network communication device includes a processor, an amplifier circuit, a matching circuit including a transmitting route and a coupling route, a storage module, and a detection and control module. The network communication device generate electronic signals, and outputs the electronic signals to a load via the transmitting route after the electronic signals being amplified and matched. Then the network communication device detects output signals and reflection signals of the coupling route to calculate a safety parameter accordingly, compares the calculated safety parameter with one or more safety parameter thresholds, and generates control signals to control the amplifier circuit. The network communication device determines if the load is abnormal according to the control signals and generates load abnormal signals if the load is abnormal.

Abstract: A current balance testing system is configured for measuring current flowing in a main board, the main board comprises a load, a power source supplying power to the loads, and a number of inductors connected between the power source and the loads. The current balance testing system includes a data acquiring device and a data processing device. The data acquiring device includes a plurality of input terminals and an output terminal, each input terminal correspondingly is connected to one inductor and configured for measuring a voltage drop across the inductor. The data processing device is connected to the output terminal and stores resistances of the inductors in the data processing device. The data processing device uses the voltage drops and the resistances of the inductors to calculate the current flowing through the inductors to determine whether or not the current flowing between the power source and the load are balanced.

Abstract: Methods and systems for providing age appropriate activities to infant users. The age of the infant user is first determined and, based on the age, activities are presented to the infant user. Younger infant users will be presented with simpler and easier to understand activities requiring less manual dexterity and comprehension skills while older infant users will be presented with more complex tasks which may require more involved comprehension skills. These activities are presented by way of a touch screen user interface for ease of use by the infant user. Also disclosed are methods and systems for exposing the infant user to a variety of languages at an early age. These methods and systems may be incorporated as activities for older infant users.