Abstract: A server communicates with a number of terminal devices. Each terminal device stores a file having a same file name. The server generates a trace log. The trace log records modification of the file in each of the terminal devices. The server further determines whether or not one of the terminal devices opens the file, searches in the trace log according to the file name of the file to find all the modifications corresponding to the file, determines the latest modification among all the modifications in the terminal devices according to the modification time corresponding to each of the found modifications, and displays at least a part of content of the found latest modification in the terminal device which currently runs the file.

Abstract: A data transmission system includes a sender, at least one receiver, a sender controller, and a receiver controller. The sender controller receives an AC signal from an AC power source via a first AC input port, receives data from the sender via a first data port, and processes the received AC signal according to the received data, and outputs a processed AC signal via a first AC output port. The receiver controller receives the processed AC signal from the sender controller via the second AC input port, powers the at least one receiver using the processed AC signal via the second AC output port, and converts the processed AC signal to corresponding data and transmits the data to the at least one receiver via a second data port.

Abstract: An interactive voice recognition electronic device converts a received voice signal to a text, and searches a voice databases to find a matched voice text of the converted text. The matched voice text is taken as a recognized voice text of the voice signal if the matched voice text exists in the voice database. The electronic device obtains a predetermined number of similar voice texts if no matched voice text exists in the voice database. The electronic device converts the predetermined number of similar voice texts to the voice signals, outputs the converted voice signals in turn, and selects one of the similar voice texts as the recognized voice text according to the selection of the user. The electronic device obtains the associated answer text of the recognized voice text in the voice database and converts the answer text to voice signals.

Abstract: A method of embedding a binary watermark into an image and a computer applied such are disclosed. The binary watermark is transformed to a watermark sequence consisting of K binary numbers and the image is converted into a grayscale image, being segmented into several sections. K sections are selected randomly while each selected section corresponds to one of the binary numbers of the watermark sequence. In relation to each selected section, a sum of a first part of the pixels and a sum of a second part of the pixels is compared. Each of the selected sections having their result of comparison being made to correspond to corresponding binary number in accordance with a predefined correlation results in the binary watermark being embedded into the image.

Abstract: A computer-implemented method for debugging a program includes responding to user input to debug a program step by step. The debugging information of each line of the program is temporarily stored. Request available stored debugging information is displayed according to user input. Any stored debugging information is deleted when debugging of the program is finished.

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 vehicle detecting system, a vehicle detecting method adapted for a vehicle, and a computer-readable storage medium encoded with a computer program are disclosed. The system controls two cameras to capture images in the front of the vehicle and at the back of the vehicle respectively, according to a speed and a direction of the vehicle. The system further determines whether or not two images from each camera are the same, if the two images from each camera are different, the vehicle is in a dangerous driving condition, and when times of the dangerous driving condition within a preset time period reaches a preset value, the system outputs a warning to prompt a driver.

Abstract: A database server communicates with a plurality of client devices. Each of the client devices is used to create a program package to cooperatively develop a software project. An integrating package is created in a storage of the database server. When two or more client devices simultaneously access the integrating package, a storage region is created for each of the two or more client devices in a storage space of the integrating package. When the two or more client devices write the program package to the integrating package, the program package of each of the two or more client devices is automatically written into a corresponding storage region.

Abstract: The disclosure provides an emergency message transmission method and an electronic device implementing the method. The electronic device stores a reference voltage value and comprises a smoke assessing unit. The method includes steps: capturing air composition around the electronic device, assessing whether the air composition has changed, if the air composition has changed, detecting an electrical current of the smoke assessing unit, amplifying the electrical current and converting the amplified current to a voltage value, comparing the converted voltage value with the reference voltage value, judging whether the converted voltage value reaches the reference voltage value, and if the converted voltage value reaches the reference voltage value, outputting a signal including an emergency message.

Abstract: An exemplary method for manufacturing a circuit board includes, firstly, obtaining an insulating substrate, liquid heat-curable adhesive and electrically conductive particles. The electrically conductive particles are added into the liquid heat-curable adhesive. The electrically conductive particles in the heat-curable adhesive are activated by electrical discharge. Secondly, the liquid heat-curable adhesive having activated electrically conductive particles are spread on the insulating substrate to form a heat-curable adhesive layer on the insulating substrate. Thirdly, the heat-curable adhesive layer are exposed to the mid-infrared light by using a photo-mask, the photo-mask has a pattern corresponding to a desired circuit pattern of the circuit board. The electrically conductive particles relocated themselves one by one to form the circuit pattern under irradiation by the mid-infrared light. Finally, the heat-curable adhesive layer are hardening.

Abstract: A storage battery charge circuit for charging a battery is provided. The circuit includes a voltage input port, a converting circuit, and a charge circuit. The voltage input port is for being connected to a power source to receive a logic high level voltage. The converting circuit is connected to the voltage input port to convert the received logic high level voltage into a control signal including a logic high level voltage and a logic low level voltage alternately and the mark space ratio is not equal to one. The charge circuit is connected to the converting circuit to charge the battery or discharge the battery according to the control signal.

Abstract: The disclosure provides an electronic device and a detecting position method adapted for the electronic device. The device stores an infrared sensing mode and a capture mode. The method includes steps of: entering the infrared sensing mode in response to an input signal and capturing infrared signals from an external environment, amplifying the infrared signals and converting the infrared signals into digital signals, evaluating whether part of the infrared signals falls into a predetermined waveband, if yes, focusing on an infrared thermal source whose infrared signals fall into the predetermined waveband, switching from the infrared sensing mode to the capture mode, taking a photo of the infrared thermal source, and processing the photo to identify a position of the infrared thermal source in the photo and displaying the position of the infrared thermal source in the photo.

Abstract: An AC voltage detection circuit includes a conversion module, a comparison module, and a prompt module. The conversion module connects to an AC power source and converts the AC voltage provided by the AC power source to an AC current, and then converts the AC current to a direct current (DC) voltage reflecting the AC voltage. The comparison module is connected to the conversion module, and compares the DC voltage with a first predetermined voltage and a second lesser predetermined voltage, and produces a control signal when the DC voltage is greater than the first predetermined voltage or less than the second predetermined voltage. The prompt module produces a prompt signal when receiving the control signal.

Abstract: A method for controlling a normally closed relay includes: providing power to at least one of a first electromagnet and a second electromagnet via a power input port, then cause a first actuation member and a second actuation member to separate from each other, and the relay is then in an open state; and stopping providing power to the at lease one first electromagnet and the second electromagnet which being powered by the power input port such that the first actuation member and the second actuation member makes contact with each other, and the relay is then in a closed state.

Abstract: A system and method used in an electronic apparatus for managing a number of applications installed in the electronic apparatus. The application managing system includes a detection module and an uninstall module. The detection module detects usage states of each application at every predetermined time period and determines unused application(s) in the predetermined time period according to the usage states of the applications. The uninstall module uninstalls the unused application(s). The usage states of each application include times the application was used in the predetermined time period and/or a last time the application was activated in the predetermined time period.

Abstract: A method testing the quality of products applied to a system is provided. Each product includes a unique identification number. The system includes a data storage device and test devices. The data storage device includes a first table recording identification numbers, test types, and test results, each test device stores a second table records the identification numbers and the test types. The method includes: obtaining the identification number; obtaining the test type; determining whether a test type previous to the test type exists; and generating first information to prompt the operator to return the to-be-tested product to the workstation of previous test type when the test result corresponding to the existed previous test type does not exist or the test result corresponding to the existed previous test type is a first value.

Abstract: A current leakage protection circuit includes a first input terminal, a second input terminal for receiving a power voltage and a current leakage detection terminal configured for detecting a current leakage from an electronic device. A control circuit of the current leakage protection circuit is configured for providing a control signal to control a first switch circuit to switch off a first connection between the first input terminal and a first output terminal and to control a second switch circuit to switch off a second connection between the second input terminal and a second output terminal when the current leakage detection terminal detects current leakage of the electronic device.

Abstract: A power supply circuit includes a voltage converting module, a detecting module, a processor, and a selecting module. The voltage converting module includes at least one output port, each of which is connected to one load circuit to form a loop circuit. The detecting module can be selectively connected to a selected one of the formed loop circuits to detect at least one parameter of the loop circuit. The processor controls the selecting module to connect the detecting module to the selected loop circuit, and further determines the current of the loop circuit according to the at least one parameter.

Abstract: An illumination apparatus includes a power supply, a pulse width modulation (PWM) circuit, a switching unit, and an illuminating unit. The power supply supplies a supply voltage to the PWM circuit and the illuminating unit. The PWM circuit outputs a first level voltage by being fully charged by the voltage of the power supply and outputs a second level voltage by being fully discharged. The switching unit is turned off according to the first level voltage and controls the illuminating unit to stop emitting light. The switching unit is turned on according to the second level voltage and controls the illuminating unit to emit light.

Abstract: A resistance-measuring circuit includes a controller for outputting a PWM signal and further for adjusting the duty cycle of the PWM signal, and a sampling circuit for processing the PWM signal and transmitting the processed PWM signal to the sensor. The sampling circuit samples the signal outputted from the sensor to generate a sampled signal with the voltage thereof changing according to any change in the duty cycle of the PWM signal, and further transmits the sampled signal to the controller. The controller obtains the real-time duty cycle of the PWM signal when the voltage of the sampled signal reaches a threshold voltage, and further calculates the exact resistance of the sensor according to the obtained real-time duty cycle of the PWM signal and the threshold voltage. An electronic device with the resistance-measuring circuit is also provided.