Abstract: A method is provided for an electrically-driven tool to detect battery decline. The electrically-driven tool includes a battery, a controller and a kinetic device. The controller pre-stores a dataset of energy provision time including a data piece of energy provision time that signifies a predetermined time length presumed to be required by the battery to provide a predetermined amount of electric energy. The controller induces provision of the predetermined amount of electric energy to the kinetic device to have the kinetic device perform a predetermined stroke with a predetermined load, times a stroke time period taken by the predetermined stroke, and determines whether the stroke time period is greater than the predetermined time length. The controller outputs a battery abnormality signal when the stroke time period is greater than the predetermined time length.

Abstract: An electric power tool includes a motor, a lifter, a firing pin, an electromagnet, a driving circuit, a latch, and a controller. The lifter is driven by the motor to drive the firing pin to perform a firing action. The driving circuit provides electric current to excite the electromagnet. The latch is moved by the electromagnet from a blocking position where the latch blocks the firing pin to move in a firing direction to a non-blocking position where the latch does not block the firing pin when the electromagnet is in an excited state. The controller, during an excitement period, controls the driving circuit to provide constant current for a first time period to excite the electromagnet to the excited state, and provide pulsating current for a second time period to keep the electromagnet in the excited state.

Abstract: A power control circuit includes a non-locked power switch, a capacitor, a power connection unit, a power converter and a self-hold control unit. When the non-locked power switch is grounded and the capacitor is fully charged and the self-hold control unit is controlled to be turned off, the capacitor stops being charged by a power supply apparatus through the power connection unit and the power control circuit enters a sleep mode.

Abstract: The present disclosure provides a photoelectric device module and a manufacturing method thereof. The photoelectric device module includes a circuit module and a photoelectric conversion module. The circuit module includes a first electrode. The photoelectric conversion module is disposed on the circuit module, in which the photoelectric conversion module includes a second electrode, a photoactive layer, a light-transmitting electrode, and a light-transmitting substrate. The second electrode is electrically connected to the first electrode. The photoactive layer is disposed on the second electrode. The light-transmitting electrode is disposed on the photoactive layer. The light-transmitting substrate is disposed on the light-transmitting electrode.

Abstract: A cap feeding device is for a nap nailer that includes a machine body, a muzzle, a nail feeding device, a nail striking device, and an electronic control device. The cap feeding device includes a cartridge, a cap rail, a cap solenoid valve, and a cap pushing member. The cartridge is adapted for accommodating a plurality of caps. The cap rail is connected to the cartridge, and extends toward the muzzle. The cap solenoid valve is mounted to the cap rail, and includes a valve rod that is drivable by an electromagnetic force to move. The cap pushing member is swingably connected to the valve rod, and is urged by the valve rod to move relative to the muzzle between a first position, in which the cap pushing member is adjacent to the muzzle, and a second position, in which the cap pushing member is distal from the muzzle.

Abstract: A battery apparatus (10) is applied to an electronic apparatus (20). The battery apparatus (10) includes a battery management system (102), a plurality of batteries (104), and an identification-and-wakeup integrated port (106). The electronic apparatus (20) transmits a first voltage (202) to the battery management system (102) through the identification-and-wakeup integrated port (106). The battery management system (102) is configured to receive the first voltage (202) through the identification-and-wakeup integrated port (106) to inform the electronic apparatus (20) of a type of the batteries (104). The battery management system (102) is configured to receive the first voltage (202) through the identification-and-wakeup integrated port (106) to wake up the battery management system (102).

Abstract: A power tool and a safety control circuit module and a safety control method thereof are provided. The power tool includes a power supply device, a control processing device, a safety control circuit module, and a power output device. The control processing device is electrically connected with the power supply device. The safety control circuit module includes a first switch control circuit, a second switch control circuit, a third switch control circuit, a first resistor, and a first diode. The power output device includes a first power connection terminal and a second power connection terminal. Before switch units of the control circuits are controlled, the control processing device detects whether the switch unit has failed, so as to increase safety.

Abstract: A power control circuit includes a non-locked power switch, a capacitor, a power connection unit, a power converter and a self-hold control unit. When the non-locked power switch is grounded and the capacitor is fully charged and the self-hold control unit is controlled to be turned off, the capacitor stops being charged by a power supply apparatus through the power connection unit and the power control circuit enters a sleep mode.

Abstract: An electric power tool includes a power supply supplying electricity, a driving unit driving operation of the electric power tool, an operation unit to be operated by a user, main and redundant sensing units detecting the power supply, the driving unit and the operation unit, and a control unit including primary and secondary controllers that respectively make first and second determinations according to the detection made by the main and redundant sensing units. The control unit controls the driving unit to operate in a normal mode when both of the first and second determinations indicate that at least one of the power supply, the driving unit and the operation unit operates normally.

Abstract: A method is provided for an electrically-driven tool to detect battery decline. The electrically-driven tool includes a battery, a controller and a kinetic device. The controller pre-stores a dataset of energy provision time including a data piece of energy provision time that signifies a predetermined time length presumed to be required by the battery to provide a predetermined amount of electric energy. The controller induces provision of the predetermined amount of electric energy to the kinetic device to have the kinetic device perform a predetermined stroke with a predetermined load, times a stroke time period taken by the predetermined stroke, and determines whether the stroke time period is greater than the predetermined time length. The controller outputs a battery abnormality signal when the stroke time period is greater than the predetermined time length.

Abstract: An electric power tool includes a battery, a first switch connected to the battery, a driving unit, a sensing unit, a primary controller and a secondary controller. The driving unit includes a motor, a second switch connected to the motor and the first switch, and a switch-control circuit connected to the second switch. The sensing unit outputs a detection result to the primary and secondary controllers. The primary controller disables the driving unit when it is determined that there is a malfunction based on the detection result. The secondary controller controls the first switch to operate in a non-conducting state to cut off electricity supplied from the battery to the second switch when it is determined that there is a malfunction based on the detection result. When the first switch operates in a conducting state, the second switch provides the electricity to the motor under control of the switch-control circuit.

Abstract: An electric power tool includes a battery for outputting electric energy, and an operating device electrically connected to the battery for receiving the electric energy and adapted to operate based on the electric energy. The operating device includes a power module that is configured to output an operating power based on the electric energy; a driving module that is configured to drive a motor to operate based on the operating power; and a control module that is configured to, based on a capacity of the battery, control the driving module to adjust a proportion of the operating power sent from the power module to the motor in a manner that the proportion of the operating power is positively correlated to the capacity of the battery, and to terminate operation of the motor when the electric energy is less than a minimum operating voltage that is determined for the battery.

Abstract: An electric power tool includes a motor, a lifter, a firing pin, an electromagnet, a driving circuit, a latch, and a controller. The lifter is driven by the motor to drive the firing pin to perform a firing action. The driving circuit provides electric current to excite the electromagnet. The latch is moved by the electromagnet from a blocking position where the latch blocks the firing pin to move in a firing direction to a non-blocking position where the latch does not block the firing pin when the electromagnet is in an excited state. The controller, during an excitement period, controls the driving circuit to provide constant current for a first time period to excite the electromagnet to the excited state, and provide pulsating current for a second time period to keep the electromagnet in the excited state.

Abstract: A battery device includes a battery unit, a temperature port, a temperature sensitive component, a switch component and a battery management unit. The temperature sensitive component senses a temperature of the battery unit, and provides a temperature indication signal at the temperature port. The switch component is electrically connected to the temperature sensitive component. When the battery device operates abnormally, the battery management unit controls the switch component to make the switch component stop provision of the temperature indication signal at the temperature port.

Abstract: A method of controlling firing mode for an electric nail gun is provided. The electric nail gun includes a control module that, when operating in a program selecting state in an intelligent firing mode, executes a single firing program or a continuous firing program based on which of a safety switch and a trigger switch of the electric nail gun is being activated . When executing the continuous firing program, the control module forbids execution of a nail firing action when determining that the electric nail gun has not been fired for longer than a predetermined time period.

Abstract: A method for controlling a nail-striking operation of an electric nail gun is proposed. The electric nail gun includes a control module and at least one switch. The at least one switch outputs a first switch signal that has a first voltage and a second switch signal that has a second voltage when triggered. The control module set a flag that corresponds to the at least one switch to a predetermined state upon determining that a striking condition is met. The striking condition includes that, for each of the at least one switch, the first switch signal has the first voltage and the second switch signal has the second voltage.

Abstract: A power tool and a safety control circuit module and a safety control method thereof are provided. The power tool includes a power supply device, a control processing device, a safety control circuit module, and a power output device. The control processing device is electrically connected with the power supply device. The safety control circuit module includes a first switch control circuit, a second switch control circuit, a third switch control circuit, a first resistor, and a first diode. The power output device includes a first power connection terminal and a second power connection terminal. Before switch units of the control circuits are controlled, the control processing device detects whether the switch unit has failed, so as to increase safety.

Abstract: A video condensation & recognition method and a system thereof are used to detect objects in input frames, derive a 3D object trajectory from which one or multiple 2D trajectories with object tubes are extracted, and catch a time position that refers to non-overlapping condition of object tubes for rearrangement of several continuous object tubes and creation of a condensed video. The generated condensed video can be adjusted by the user in the range of longest detected object tube to the generated condensed video length that is very beneficial for video analysis process. Moreover, a searched attribute of an object in a condensed video is classified for the filtering process which is able to display an object correlated with a distinct searched attribute on the condensed video.

Abstract: Provided is a control system and method for a power-driven nail gun, which includes a battery, a motor, a flywheel rotating along with the motor, an impacting member receiving kinetic energy of the flywheel and a nail channel providing a channel for a nail to move along therewith when hit by the impacting member. The method includes utilizing a microcontroller to provide a pulse width modulation (PWM) signal for a driving circuit to drive the motor based on the PWM signal; and in response to reaching a target rotation speed by the motor, utilizing the microcontroller to output a corresponding PWM duty to the driving circuit based on the voltage of the battery, to make the motor maintain at the target rotation speed. The nails obtain stable and consistent kinetic energy and stability of nail firing is effectively improved.

Abstract: A video condensation & recognition method and a system thereof are used to detect objects in input frames, derive a 3D object trajectory from which one or multiple 2D trajectories with object tubes are extracted, and catch a time position that refers to non-overlapping condition of object tubes for rearrangement of several continuous object tubes and creation of a condensed video. The generated condensed video can be adjusted by the user in the range of longest detected object tube to the generated condensed video length that is very beneficial for video analysis process. Moreover, a searched attribute of an object in a condensed video is classified for the filtering process which is able to display an object correlated with a distinct searched attribute on the condensed video.