Abstract: A USB adapter includes a first interface connector, a second interface connector, a third interface port and a detecting module. When both of the first interface connector and the second interface connector are plugged into a first electronic device, the USB adapter can acquire higher amount of electricity. Consequently, the sufficient electricity can be provided. Moreover, the detecting module detects a connection status of at least one of the first interface connector and the second interface connector. According to the detecting result, a single default function or plural default functions are enabled.

Abstract: A keyboard device includes plural keys, a control unit and a membrane switch circuit member. The membrane switch circuit member includes a first upper key switch and a first lower key switch. When the first upper key switch is triggered by the first key, a first key code corresponding to the first key is generated by the first upper key switch. When the first lower key switch is triggered by the first key, a second key code corresponding to the first key is generated by the first lower key switch. The control unit is connected with the membrane switch circuit member. If both of the first key code and the second key code are received by the control unit, a key signal is outputted. If either the first key code or the second key code is received by the control unit, the key signal is not outputted.

Abstract: A keyboard device includes plural keys, a control unit and a membrane switch circuit member. The membrane switch circuit member includes a first upper key switch and a first lower key switch. When the first upper key switch is triggered by the first key, a first key code corresponding to the first key is generated by the first upper key switch. When the first lower key switch is triggered by the first key, a second key code corresponding to the first key is generated by the first lower key switch. The control unit is connected with the membrane switch circuit member. If both of the first key code and the second key code are received by the control unit, a key signal is outputted. If either the first key code or the second key code is received by the control unit, the key signal is not outputted.

Abstract: The present invention provides a mouse device, including a body, a circuit board, and a plurality of weight sensing units. The weight sensing units are configured to measure weights of counterweight blocks accommodated in the plurality of accommodating parts of the body. A processing unit of the circuit board is connected to the weight sensing units and is configured to generate and output a weight sensing signal according to the measurement result of the weight sensing units.

Abstract: A remote controller is provided. The remote controller includes an input interface and an angle sensor. The input interface is used for receiving an input of a user. The angle sensor is used for detecting a rotation angle of the remote controller. In response to a first rotation angle of the remote controller, the input interface is enabled by the remote controller. Consequently, the input interface may be triggered by the user to generate an input signal. After the input interface is enabled, if the input interface has not been triggered for a predetermined time period, the remote controller is operated in a power-saving mode. In response to a second rotation angle of the remote controller, the remote controller is operated in the power-saving mode.

Abstract: A charging control circuit includes a charging module, a switch element, a load detecting element, and an adjusting element. According to the power consumption of a chargeable battery of an electronic device, the load detecting element issues a load range signal. According to the load range signal, the adjusting element issues a control voltage to the switch element. According to the control voltage, the switch element is turned on, and the magnitude of a control current from the switch element is correspondingly adjusted. By the charging module, a charging current corresponding to the control current is provided to charge the chargeable battery. Consequently, the magnitude of the charging current is controlled according to the operating situation of the electronic device, and the charging speed is changed.

Abstract: A charging control circuit includes a charging module, a switch element, a load detecting element, and an adjusting element. According to the power consumption of a chargeable battery of an electronic device, the load detecting element issues a load range signal. According to the load range signal, the adjusting element issues a control voltage to the switch element. According to the control voltage, the switch element is turned on, and the magnitude of a control current from the switch element is correspondingly adjusted. By the charging module, a charging current corresponding to the control current is provided to charge the chargeable battery. Consequently, the magnitude of the charging current is controlled according to the operating situation of the electronic device, and the charging speed is changed.

Abstract: An electronic device using a USB socket to load firmware and a firmware loading method are provided. The electronic device includes a USB socket, a functional chip, and a switching element. The switching element is connected with a bus data transmission pin of the USB socket and a chip data transmission pin of the functional pin. When a high-level voltage is provided to an identification pin of the USB socket, the switching element is turned on. Under this circumstance, the connection between the bus data transmission pin and the chip data transmission pin is established. Consequently, a firmware data can be successfully transmitted to the functional chip through the USB socket.

Abstract: A remote controller is provided. The remote controller includes an input interface and an angle sensor. The input interface is used for receiving an input of a user. The angle sensor is used for detecting a rotation angle of the remote controller. In response to a first rotation angle of the remote controller, the input interface is enabled by the remote controller. Consequently, the input interface may be triggered by the user to generate an input signal. After the input interface is enabled, if the input interface has not been triggered for a predetermined time period, the remote controller is operated in a power-saving mode. In response to a second rotation angle of the remote controller, the remote controller is operated in the power-saving mode.

Abstract: A mouse device includes a lower cover, a circuit board, a first switch, a second switch, a first swinging element, and a second swinging element. The first swinging element includes a first pressing part and a second pressing part. The first swinging element and the second swinging element are located at a front side and a rear side of the lower cover, respectively. As the mouse device is swung in a leftward direction or a rightward direction, the front side and the rear side of the mouse device are simultaneously tilted. Moreover, since the first pressing part or the second pressing part of the first swinging element is pushed by a working surface where the mouse device is placed, the first pressing part or the second pressing part is moved toward the first switch or the second switch in order to trigger the first switch or the second switch.

Abstract: A touch input device includes a touch plate and a controlling unit. The touch plate comprises plural first type touch keys and at least one second type touch key. The number of second touch contacts of each second type touch key is equal to the number of the first type touch keys. The controlling unit has plural connecting ports. The number of the connecting ports is equal to the number of the first type touch keys. Each of the connecting port is connected with the corresponding second touch contacts and the corresponding first type touch key. As a consequence, the number of plural touch signals outputted from the touch input device is greater than the number of the connecting ports of the controlling unit.

Abstract: The present invention discloses a keyboard device for different operating systems in communication with an electronic apparatus. The keyboard device includes at least a key and a control unit. When the control unit recognizes that a first operating system is installed in the electronic apparatus, the control unit outputs a corresponding first key signal in response to the first key code generated by the key, such that the electronic apparatus executes a first key command. When the control unit recognizes that a second operating system is installed in the electronic apparatus, the control unit switches the first key code into a second key code and then outputs a corresponding second key signal, such that the electronic apparatus still executes the first key command.

Abstract: A computer peripheral device for controlling scroll bars in different windows is provided. The computer peripheral device includes a plurality of scroll bar controlling units and a signal processing unit. These scroll bar controlling units are used for generating a scroll bar controlling signal. The signal processing unit is used for analyzing the scroll bar controlling signal. According to the scroll bar controlling signal, the scroll bars in different windows are correspondingly controlled. A method for controlling scroll bars in different windows is also provided. Firstly, the signal source of the scroll bar controlling signal is analyzed. According to the signal source, the scroll bars in different windows are correspondingly controlled. Consequently, the speed of switching different windows is increased, and the working efficiency is enhanced.

Abstract: A laser pointer with a function of automatically adjusting light intensity is provided. The laser pointer includes a laser light-emitting unit, a microcontroller and a light sensing circuit. The laser light-emitting unit is used for emitting laser light. The microcontroller is electrically connected with the laser light-emitting unit. The light sensing circuit is electrically connected with the microcontroller, and includes an optical sensor for sensing an ambient luminance. A terminal voltage of the optical sensor of the light sensing circuit is detected by the microcontroller. If the terminal voltage is lower than a threshold value, the microcontroller provides a first driving voltage to the laser light-emitting unit. If the terminal voltage is higher than the threshold value, the microcontroller provides a second driving voltage to the laser light-emitting unit.

Abstract: A non-directional mouse includes a casing, plural touch-sensitive modules and a controlling unit. When a first finger and a second user of a user are placed on the casing and detected by the touch-sensitive modules, the controlling unit determines an operating coordinate system. Regardless of whether the orientation of the mouse is, the non-directional mouse can be operated with respect to the operating coordinate system corresponding to the hand gesture of the user.

Abstract: A mouse device includes a mouse base, a mouse casing, a first button, a second button, a microphone module and a controlling unit. The first button and the second button have different structures. By clicking the first button and the second button, a first sound and a second sound having different frequencies are respectively generated. The first sound and the second sound are received by the microphone module. According to the frequency of the first sound or the second sound, a first button command or a second button command is generated.

Abstract: The present invention provides a power-saving laser pointer mouse including a battery, a micro-controller and a laser diode. The power-saving laser pointer mouse can be operated in multi-stage power-saving modes according to the voltage value of the battery. The lighting time interval of the laser diode is adjusted by the micro-controller according to the voltage value of the battery. When the voltage value of the battery is reduced, the lighting time interval of the laser diode is shortened so as to achieve the power-saving purpose.

Abstract: An automatic mouse charging system includes a charger plate and an automatically chargeable mouse. The charger plate includes an audio signal emitter for emitting an audio signal and a charging module for providing electric energy. The automatically chargeable mouse includes a mouse case, an electric energy storage element, multiple audio signal receivers, a driving mechanism, and a control unit. The audio signal receivers are used for receiving the audio signal. The control unit is used for discriminating one of the audio signal receivers that receives the strongest audio signal, thereby outputting a corresponding movement signal to the driving mechanism. The automatically chargeable mouse is moved toward the audio signal receiver that receives the strongest audio signal according to the movement signal.

Abstract: An automatic mouse charging system includes a charger plate and an automatically chargeable mouse. The charger plate includes an audio signal emitter for emitting an audio signal and a charging module for providing electric energy. The automatically chargeable mouse includes a mouse case, an electric energy storage element, multiple audio signal receivers, a driving mechanism, and a control unit. The audio signal receivers are used for receiving the audio signal. The control unit is used for discriminating one of the audio signal receivers that receives the strongest audio signal, thereby outputting a corresponding movement signal to the driving mechanism. The automatically chargeable mouse is moved toward the audio signal receiver that receives the strongest audio signal according to the movement signal.

Abstract: A mouse having a scrolling function includes a mouse body, an optical finger navigation module and a control unit. The optical finger navigation module is used for sensing a motion of a user's finger. The control unit controls a frame of a computer to be scrolled at an adjustable scrolling speed according to a moving speed of the user's finger.