Abstract: A control system for lighting up a screen of an electronic device is provided to decrease the length of user waiting time before activation of an electronic device. The device includes a state register. The state register is switched between a ready state and a non-ready state. The control system includes a detecting module, a first controlling module, and a second controlling module. The detecting module detects a ready or a non-ready state of the device. The first controlling module implements startup operations when the register is not in the ready state. The second controlling module lights up the screen when the state register is in the ready state. An electronic device and a method for lighting up the screen are also provided.

Abstract: A test system and method for testing keys of a virtual keypad are applied to a touch screen which includes a plurality of keys. The test system includes a reading unit, a determination unit, and a display unit. The reading unit records the electrical performance when a key is touched and the determination unit calculates an error value as between the actual electrical performance obtained and a preset and required parameter associated with the key, and determines whether a key performs acceptably according to the calculated error value. The determination unit also determines whether the keypad itself is acceptable according to the performance of each of the keys, and the display unit displays a table recording the calculated error value, the status of each key, and the acceptability of the keypad overall.

Abstract: A playing method is executed in an electronic device. The electronic device plays information from a storage unit. The electronic device includes a non-volatile memory. The playing method includes steps of: receiving a first playing commands; obtaining information from the storage unit in response to the first playing commands; playing the obtained information; obtaining a playing position at a predetermined time interval; and storing the playing position into the non-volatile memory.

Abstract: An electronic device includes a storage unit, a pressing apparatus, a processing unit, and a button unit having a number of buttons. Identification (ID) information of each of the buttons and a predetermined signal corresponding to each of the buttons are stored in the storage unit. When a control signal is generated by the button unit after a button is pressed, the ID information of the button that is pressed is obtained from the storage unit. The control signal is compared with the corresponding predetermined signal to determine whether the pressed button is malfunctional.

Abstract: An electronic device connected to an external device is capable of switching between a first state and a second state. The electronic device comprises a communication module, a detection module, a control module, and a processor. The communication module receives different control commands from the external device. The detection module detects whether the electronic device is in the first state or the second state, and generates corresponding signals.

Abstract: An electronic document production system and an electronic document production method thereof are disclosed. The electronic document production system allows a user to create an electronic document via a network environment. The electronic document production system comprises a user interface and a preview module. The user interface comprises a template management module and a content editing module. The template management module has a template editing module for providing the user to create a template of the electronic document. The content editing module is provided for the user to edit a content of the electronic document based on the template and produce a completed electronic document file. The preview module is provided for the user to preview the content or the template of the electronic document simultaneously while the user is editing.

Abstract: An electronic device with a plurality of keys which correspond to a plurality of standard voltages respectively comprises a voltage generation module, a detection module, storage, an acquiring module, a comparison module, and an extraction module. The voltage generation module with an initial voltage decreases the initial voltage to the standard voltage corresponding to the pressed key. The detection module detects whether the current voltage of the voltage generation module is equal to the initial voltage. The storage stores the current voltage as a reference voltage when the current voltage is not equal to the initial voltage. The acquiring module acquires a current voltage of the voltage generation module after a predetermined time. The comparison module compares the acquired current voltage with the reference voltage. When the acquired current voltage is equal to the reference voltage, the extraction module executes an operation corresponding to the reference voltage.

Abstract: An electronic device includes a chip and a pin configuration apparatus. The chip includes a plurality of pins with different functions. The pin configuration apparatus is used for resetting the pins from being configured to execute a first function to being configured to execute a second function.

Abstract: A testing signal generation device for testing performance of a disc drive includes a signal generating unit, a signal converting unit, and a signal transmitting unit. The signal generating unit generates at least one pulse signal for controlling the disc drive to work at predetermined working modes. The signal converting unit converts the at least one pulse signal into at least one test signal. The signal transmitting unit transmits the at least one test signal to the disc drive, to control the disc drive to read data from an optical disc in the disc drive. A testing signal generation method for testing performance of the disc drive is also provided.

Abstract: An audio device is capable of switching between a first state and a second state. The audio device comprises a power supply, a delay module, a control module, a processor, and an audio-playing module. The power supply provides a working voltage when the audio device is in the second state. The delay module is connected between the power supply and the control module, and outputs a delay signal when the audio device switches between the first state and the second state. The control module for outputting a driving signal is prevented from outputting driving signal in response to the delay signal, and the processor is enabled in response to the delay signal.

Abstract: An electronic device with a battery displays a label for indicating different power levels of the battery. The label comprises a plurality of columns. Each of the columns is capable of being illuminated. A number of the columns lighted correspond to a corresponding the power levels in a one-to-one relationship. The electronic device comprises a detection module, storage, an acquiring module, a check module, and a display module. The detection module detects the current voltage of the battery at regular intervals and stores the information in the storage. The acquiring module acquires a previous detected voltage from the storage. The check module checks whether the current voltage is a fluctuated voltage. The display displays the label with the numbers of the lighted columns corresponding to the power level which contains the previous detected voltage when the current voltage is a fluctuated voltage.

Abstract: An electronic device comprises a buffer, a processing module, and a storage. When the electronic device generates a writing instruction, the processing module executes a protection and writes data of the buffer into the storage. Based on the protection, the processing module fails to execute interrupt instructions while writing data into the storage.

Abstract: An electronic device includes a CPU and an MCU intercommunicating with the CPU. The MCU sends an instruction to the CPU at a predetermined time interval. The MCU detects whether a response is received from the CPU within a predetermined time period after the instruction is sent, and determines that the CPU is nonfunctioning when no response is received from the CPU. The MCU restarts the CPU when the CPU is determined to be nonfunctioning. A method for releasing an electronic device from a nonfunctioning state is also provided.

Abstract: An electronic device includes a storage and a processor. When the processor performs a data transmission process performed by the processor to transmit data to the storage, a time period duration of writing data into the storage is timed. An Acknowledge (ACK) signal indicating the data is successfully written into the storage is detected. If the ACK signal is not detected and the time period duration exceeds a predetermined time period, the processor restarts the data transmission process to re-transmit the data to the storage, to avoid system crash.

Abstract: An electronic device includes a main chip, a storage, and a state changing unit. The main chip includes an update pin. The storage includes a write pin and an enable pin. The enable pin is connected to a programming unit. The main chip reads and writes data into the storage when the enable pin is at a first voltage level, and sets the update pin as a GPIO interface when the main chip is powered on after a predetermined time period. The state changing unit controls the enable pin to be at another voltage level within a second predetermined time period when the main chip is powered on and sets the enable pin at the first voltage level when the second predetermined time period elapses. The programming unit updates programs of the storage via the update pin and the write pin when the second predetermined time period elapses.

Abstract: An electronic device is capable of switching between a standby state and a working state. The electronic device includes a power management module, a key module, a detection module, a processor, and a trigger module. When the electronic device is in the standby state, the power management stops outputting a working voltage to the detection module and the detection module is disabled. When the electronic device switches from the standby state into the working state by operating the key module, the trigger module generates a trigger signal. The processor controls the power management module to output the working voltage to the detection module in response to the trigger signal. The detection module detects the pressed key voltage of the key module and generates a pressed signal for controlling the processor to execute a corresponding function.

Abstract: A test device for testing functions of buttons of a remote control includes a storage unit, a pressing apparatus, and a processing unit. Identification (ID) information of each of the buttons and a predetermined code corresponding to each of the buttons are stored in the storage unit. When a control signal is received from the remote control after a button is pressed, the control signal is decoded to obtain a code of the control signal and the ID information of the button, which is being pressed. The code of the control signal is compared with the predetermined code stored in the storage unit corresponding to the pressed button to determine whether the pressed button is malfunctional.

Abstract: An electronic device includes a power supply, a power consuming module, and a power control module. The power control module includes a capacitor, a detecting unit, and a control unit. A first end of the capacitor is connected to the power supply. Another end of the capacitor is grounded. The control unit includes a switching element. When the electronic device is powered on, the detecting unit controls the switching element to turn off, and the power supply supplies power to the power consuming module to charge the capacitor. When the electronic device is powered off, the capacitor discharges to supply power to the power consuming module. The detecting unit detects whether data storage of the electronic device is completed. When the data storage is completed, the detecting unit controls the switching element to turn on, causing the capacitor to discharge to ground. A power control module is also provided.

Abstract: An electronic device powered by a power supply is capable of playing video files. The electronic device includes a processor, a delay circuit, and a storage. The delay circuit disconnects the processor with the power supply, and outputs a record signal and a working voltage. The processor is powered on by the working voltage and records a current position of a playing video file in the storage in response to the record signal. The delay circuit further stops outputting the working voltage after a predetermined interval.

Abstract: Method for detecting presses on buttons of an electronic device with a reduced number of General Purpose In/Out (GPI/O) ports includes a number of the GPI/O ports The number of the buttons is greater than the number of the GPI/O ports. A proportion of the buttons are each coupled between one of the I/O ports and ground, and the remaining proportion of the buttons are each coupled between any two of the I/O ports. The GPI/O ports are set to work in a first working state or in a second state to provide a first signal or second signal respectively. When a signal provided by a GPI/O port working at the first working mode changes, the method determines which one of the buttons has been pressed.