Abstract: A handheld electronic device and a button input device for use with a handheld electronic device are provided. The handheld electronic device includes a first casing and a second casing. The second casing is slidable with respect to the first casing. The first casing includes a fire button. The second casing includes an auxiliary button and a receiving part for storing the auxiliary button. When the second casing is slid with respect to the first casing, the auxiliary button is rotated with respect to the second casing. As such, the auxiliary button is moved from the receiving part to a surface the first casing for facilitating the user to press.

Abstract: An input device with an illuminated roller is provided. The input device includes an upper cover, a lower base, a printed circuit board and an illuminated roller module. The illuminated roller module includes a roller, an encoder, an illuminating device and a supporting member. The illuminating device is disposed within the supporting member, and includes a flexible printed circuit and plural light emitting diodes. The plural light emitting diodes are mounted on the flexible printed circuit. The supporting member has a perforation. The flexible printed circuit of the illuminating device is penetrated through the perforation of the illuminating device and is connected to the printed circuit board. As such, electricity for illuminating is transmitted to the light emitting diodes.

Abstract: A luminous keyboard includes plural keycaps, a membrane circuit board, at least one light-emitting element, and a lower cover. The plural keycaps, the membrane circuit board and the light-emitting element are supported on the lower cover. In addition, the lower cover of the luminous keyboard has a light-guiding function. Since an additional light guide plate is required, the luminous keyboard has simplified configuration and the overall thickness thereof is reduced.

Abstract: A computer system includes a host, a screen and a keyboard/mouse set. The host is used for controlling operations of the computer system. The display screen is used for showing an operating frame of the computer system. A cursor is shown on the operating frame. The mouse could control a motion of the cursor in multiple resolution modes. The keyboard includes a switch element, which is triggered to switch the resolution modes of the mouse.

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: A multi-mode mouse device includes a mode-switching element on a surface of a mouse body. By manipulating the mode-switching element, the mouse device could be operated in a working mode or a power-saving mode according to the user's requirements. In the working mode, the response cycle of the motion sensor within the mouse device is maintained constant. In the power-saving mode, the response cycle is adjusted according to the downshift time period of the mouse device. By manipulating the mode-switching element, the mouse device could meet the demands of achieving optimal sensitive degree and power-saving efficacy.

Abstract: A portable mouse includes a base, a casing, an attractable element and a control module. The control module includes a keycap, a triggering element, a positioning element and a retractable mechanism. The keycap is exposed outside a surface of the casing. By depressing the keycap, the attractable element is protruded out of the base, so that the attractable element could be attached on a surface of the object.

Abstract: A chargeable wireless mouse includes a mouse body, a chargeable battery, a charging slot and a wireless signal receiver. A magnetic element and an electricity conducting structure are disposed within the charging slot. The wireless signal receiver includes a USB connecting part and a charging plate member. The wireless signal receiver is connected with a computer host via a USB connecting port. When the wireless signal receiver is accommodated within the charging slot, the metallic plate member is magnetically attracted by the magnetic element and the wireless signal receiver is clamped by the electricity conducting structure, so that the wireless signal receiver is fixed in the charging slot. At the same time, the charging plate member is contacted with the conducting member such that electricity is transmitted to charge the chargeable battery.

Abstract: A chargeable wireless mouse includes a mouse body, a battery, a charging slot and a wireless signal receiver. A magnetic element and a conducting member are disposed within the charging slot. The wireless signal receiver includes a USB connecting part, a metallic plate and a charging plate. The wireless signal receiver is connected with a computer host via a USB connecting port. When the wireless signal receiver is accommodated within the charging slot, the metallic plate is magnetically attracted by the magnetic element such that the wireless signal receiver is fixed in the charging slot. At the same time, the charging plate is contacted with the conducting member such that electricity is transmitted from the receiver circuit board to the chargeable battery.

Abstract: The present invention provides a channel switching method for use with a wireless mouse by intelligently switching the communication channels with a wireless signal receiver. Firstly, the packet error rate is detected to discriminate whether the number of continuous failed packets is greater than a threshold value. Subsequently, the received signal strength indicator (RSSI) is detected to discriminate whether the wireless transmitter needs to switch the current communication channel with the wireless signal receiver.

Abstract: A cursor control device includes a main body, a circuit board, a base, a touch support stand, a touch sensor and a knock sensor. The circuit board is disposed within the main body. The base is disposed within the main body and above the circuit board, and includes an elongated slot. The touch support stand is mounted on the base and aligned with the elongated slot. The touch sensor is supported on the touch support stand and electrically connected to the circuit board. In response to a touching action on the touch sensor, a screen scrolling signal is generated. The knock sensor is mounted on the circuit board and under the touch support stand. The knock sensor is triggered when the touch support stand is moved to touch the knock sensor.

Abstract: The present invention relates to a voltage detecting circuit for detecting a voltage range of a power source. The voltage detecting circuit includes a micro controlling unit, a boost circuit and a plurality of divider resistors. The micro controlling unit includes a general input/output port and a controlling input/output port. The boost circuit provides a constant voltage. A judgment voltage is obtained according to the divider resistors, the constant voltage and a voltage of the power source. A digital level signal is issued by the general input/output port according to the judgment voltage. In response to the digital level signal, the micro controlling unit generates a corresponding prompt associated with the voltage status of the power source.

Abstract: A computer system having an internet phone with a hands-free function is provided. The computer system includes a computer host and an internet phone. The computer host includes a multimedia player program, an internet communication program, a loudspeaker and a microphone device. The internet phone includes a handset, a telephone microphone and a hands-free switching key. When the hands-free switching program is executed, the audio output task and the audio input task of the multimedia player program are respectively implemented by the loudspeaker and the microphone device of the computer host, and the audio output task and the audio input task of the internet communication program are respectively implemented by the handset and the telephone microphone of the internet phone.

Abstract: The present invention relates to a keyboard device. The keyboard device includes a base, a main circuit board, a base cover, a touching membrane switch, a touching thin plate, an upper cover and a plurality of keys. The touching membrane switch is activated to implement a predefined hot key function so as to reduce fabricating cost.

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: The present invention provides a method for reducing power consumption of a wireless mouse. At least two sets of mouse moving data are combined into a single packet to be transmitted to a wireless signal receiver. In the wireless signal receiver side, the single packet is divided into the at least two sets of mouse moving data. Since the frequency of transmitting these mouse moving data is reduced, the power consumption of operating the wireless mouse is reduced.

Abstract: A wireless peripheral system for use with a computer includes a wireless signal transceiver controller and two peripheral devices. These peripheral devices include a human input device and an audio receive/transmit device, which are in communication with the computer via the wireless signal transceiver controller so as to communicate with the computer in a wireless transmission manner.

Abstract: An illumination control device is used in an optical pointer to cooperate with an optical sensor module and a light-emitting device to emit proper illuminance of light. The illumination control device includes a microcontroller generating a supplemental current when the optical pointer is in a power-saving state; and a controlled current amplifier in communication with the microcontroller, the optical sensor module and the light-emitting device for providing an amplified current for the light-emitting device to emit light. The controlled current amplifier amplifies a synthesized current of a light-emitting current generated by the optical sensor module and the supplemental current generated by the microcontroller to obtain the amplified current when the optical pointer is in the power-saving state.

Abstract: The present invention provides a channel switching method for use with a wireless mouse by intelligently switching the communication channels with a wireless signal receiver. Firstly, the packet error rate is detected to discriminate whether the number of continuous failed packets is greater than a threshold value. Subsequently, the received signal strength indicator (RSSI) is detected to discriminate whether the wireless transmitter needs to switch the current communication channel with the wireless signal receiver.

Abstract: A cursor control device includes a main body, a circuit board, a base, a touch support stand, a touch sensor and a knock sensor. The circuit board is disposed within the main body. The base is disposed within the main body and above the circuit board, and includes an elongated slot. The touch support stand is mounted on the base and aligned with the elongated slot. The touch sensor is supported on the touch support stand and electrically connected to the circuit board. In response to a touching action on the touch sensor, a screen scrolling signal is generated. The knock sensor is mounted on the circuit board and under the touch support stand. The knock sensor is triggered when the touch support stand is moved to touch the knock sensor.