Abstract: A method and a portable electronic apparatus for adaptively adjusting a playback effect of speakers are provided. The portable electronic apparatus includes a speaker enclosure volume adjusting device and a processor coupled to the speakers and the speaker enclosure volume adjusting device. In the method, the processor detects a usage demand for the portable electronic apparatus and accordingly determines an audio mode. Based on the determined audio mode, the processor selects and activates multiple speakers, and adjusts an enclosure volume of at least one of the activated speakers, so as to change an audio frequency range of the at least one speaker and an overall audio frequency range covered by the activated speakers. Finally, the processor plays an audio through the activated speakers.

Abstract: A pressing-type screw includes a screw-head component, two first drilling-fastening components, and a drilling-head component. The screw-head component is provided with a fastening slot. The two first drilling-fastening components form an axis passing through the center of the screw-head component. The two first drilling-fastening components each has a top end in connection with the screw-head component, and each includes a first thread portion formed on a surface of each of the two first drilling-fastening components and furthest away from the axis. The drilling-head component is in connection with the bottom end of each of the two first drilling-fastening components. A hollow space is formed between the two first drilling-fastening components and the drilling-head component.

Abstract: A failover system and a method of deciding master-slave relationship therefor are provided. The failover system includes a first electronic device, a second electronic device, a decision circuit and at least two isolation modules. The decision circuit is coupled to the first electronic device and the second electronic device and configured to determine operating states of the first electronic device and the second electronic device and output a first selecting signal and a second selecting signal. The at least two isolation modules are coupled to the first electronic device, the second electronic device, and the decision circuit and configured to switch a master-slave relationship between the first electronic device and the second electronic device according to the first selecting signal and the second selecting signal.

Abstract: An AC motor with a reduction mechanism is disclosed. The AC motor has a stator unit, a rotor unit, and a reduction transmission unit. An axial space of the AC motor can be substantially reduced by providing the reduction transmission unit directly built in the AC motor, and a path of the power transmission between the rotor unit and an output shaft can be reduced, so that the loss of the mechanical energy can be lowered.

Abstract: The present invention relates to an anti-vibration rivet, which comprises a core shaft and a sleeve. The core shaft including a head part and a shaft part, all of which are forming an overlap space, the head part is provided with an interlocking rabbet. The sleeve including a flange part and a fork part, all of which are forming an inner rabbet, the flange part is provided with an interlocking part which is engaged with the interlocking rabbet. With the structural design of the interlocking rabbet of the head part and the interlocking part of the flange part can improve the mutual fixing ability between the core shaft and the sleeve. And articles fixed by the anti-vibration rivet can have better stability.

Abstract: A method and a portable electronic apparatus for adaptively adjusting a playback effect of speakers are provided. The portable electronic apparatus includes a speaker enclosure volume adjusting device and a processor coupled to the speakers and the speaker enclosure volume adjusting device. In the method, the processor detects a usage demand for the portable electronic apparatus and accordingly determines an audio mode. Based on the determined audio mode, the processor selects and activates multiple speakers, and adjusts an enclosure volume of at least one of the activated speakers, so as to change an audio frequency range of the at least one speaker and an overall audio frequency range covered by the activated speakers. Finally, the processor plays an audio through the activated speakers.

Abstract: The present invention relates to an anti-vibration rivet, which comprises a core shaft and a sleeve. The core shaft including a head part and a shaft part, all of which are forming an overlap space, the head part is provided with an interlocking rabbet. The sleeve including a flange part and a fork part, all of which are forming an inner rabbet, the flange part is provided with an interlocking part which is engaged with the interlocking rabbet. With the structural design of the interlocking rabbet of the head part and the interlocking part of the flange part can improve the mutual fixing ability between the core shaft and the sleeve. And articles fixed by the anti-vibration rivet can have better stability.

Abstract: A method and a system for adjusting a volume of a conference call are provided. The system includes at least one sub-device and a host. The host respectively connects the at least one sub-device and detects a number of the connected sub-devices. The host adjusts a volume of an original voice signal received from an external device according to the number of the connected sub-devices to generate an adjusted voice signal adapted to each sub-device and provides the same to each sub-device to play. The host also adjusts volumes of the original voice signals received by the host and each sub-device, integrates the adjusted original voice signals into an integrated voice signal adapted to the external device, and provides the same to the external device to play.

Abstract: An electronic device includes a case, a speaker, a supporting stand, and a waterproof breathable membrane. The case includes a first inner space and a through hole connected to the first inner space. The speaker is disposed in the first inner space, and produces sound waves outwards from the through hole. The supporting stand connects the case to cover the through hole. The supporting stand includes a sound hole and a second inner space connected to the sound hole and the through hole. The waterproof breathable membrane covers one of the sound hole and the through hole.

Abstract: A failover system and a method of deciding master-slave relationship therefor are provided. The failover system includes a first electronic device, a second electronic device, a decision circuit and at least two isolation modules. The decision circuit is coupled to the first electronic device and the second electronic device and configured to determine operating states of the first electronic device and the second electronic device and output a first selecting signal and a second selecting signal. The at least two isolation modules are coupled to the first electronic device, the second electronic device, and the decision circuit and configured to switch a master-slave relationship between the first electronic device and the second electronic device according to the first selecting signal and the second selecting signal.

Abstract: An AC motor with a reduction mechanism is disclosed. The AC motor has a stator unit, a rotor unit, and a reduction transmission unit. An axial space of the AC motor can be substantially reduced by providing the reduction transmission unit directly built in the AC motor, and a path of the power transmission between the rotor unit and an output shaft can be reduced, so that the loss of the mechanical energy can be lowered.

Abstract: The present invention is a control mechanism controllable over single shot and repeating shot, which is mounted in a discharging device for carrying out single shot and repeating shot modes. The control mechanism comprises a safety pole, a trigger and a sliding hook block.

Abstract: A non-contact type torque and angle of rotation sensing device consisting of a magnetic member, sensing members and a computing unit for measuring a torque being applied to rotate a transmission member and the angle of rotation of said transmission member in a first axial direction is disclosed. The magnetic member defines a first center, and is mounted on and rotatable with the transmission member. The magnetic member deflects relative to the transmission member in a nonparallel manner relative to the first axial direction when rotating with the transmission member. Sensing members induce a magnetic field variation to output respective electrical signals that exhibit a phase difference there between. The computing unit receives and calculates the electrical signals of the sensing member to obtain the amplitude and to further translate the amplitude into torque value and angle of rotation.

Abstract: A method for accessing files in a management system, including a control device, a managed device, and a system management device, includes simulating a physical storage device of the control device to the managed device, to form a virtual storage device in the managed device, outputting a request command to the system management device via an operating system and not via a file system when the managed device accesses a file of the virtual storage device, and performing access operation of the file in the physical storage device via an operating system of the control device and not via a file system of the control device according to the request command.

Abstract: A nail gun structure includes a main body, a seat, an actuating button and a driving cable. The main body has a trigger member for shooting a nail. One end of the seat is assembled at a rear end of the main body. The actuating button is assembled at another end of the seat. One end of the driving cable is assembled to the trigger member of the main body, and another end of the driving cable is assembled to the actuating button. Under this arrangement, when a user holds the seat and presses down the actuating button, the actuating button drives the driving cable to trigger the trigger member so as to shoot the nail.

Abstract: An electronic device includes a case, a speaker, a supporting stand, and a waterproof breathable membrane. The case includes a first inner space and a through hole connected to the first inner space. The speaker is disposed in the first inner space, and produces sound waves outwards from the through hole. The supporting stand connects the case to cover the through hole. The supporting stand includes a sound hole and a second inner space connected to the sound hole and the through hole. The waterproof breathable membrane covers one of the sound hole and the through hole.

Abstract: A non-contact type torque and angle of rotation sensing device consisting of a magnetic member, sensing members and a computing unit for measuring a torque being applied to rotate a transmission member and the angle of rotation of said transmission member in a first axial direction is disclosed. The magnetic member defines a first center, and is mounted on and rotatable with the transmission member. The magnetic member deflects relative to the transmission member in a nonparallel manner relative to the first axial direction when rotating with the transmission member. Sensing members induce a magnetic field variation to output respective electrical signals that exhibit a phase difference there between. The computing unit receives and calculates the electrical signals of the sensing member to obtain the amplitude and to further translate the amplitude into torque value and angle of rotation.

Abstract: A combinational LED lamp includes an insulating housing, a first conductive contact, a second conductive contact, and an LED body. The insulating housing includes a first engaging surface with a first engaging portion and a second engaging surface with a second engaging portion. The first engaging portion is engaged with the second engaging portion. The two conductive contacts are all fixed on the insulating housing. Both the two conductive contacts include an integral internal section and two exposure sections exposing at the first engaging surface and the second engaging surface of the insulating housing. Two terminals of the LED body are each electrically connected with the internal section of the first conductive contact and of the second conductive contact. Therefore, multiple LED-lamp units can be incorporated so as to form various configurations of LED-lamp combinations.

Abstract: A method for accessing files in a management system, including a control device, a managed device, and a system management device, includes simulating a physical storage device of the control device to the managed device, to form a virtual storage device in the managed device, outputting a request command to the system management device via an operating system and not via a file system when the managed device accesses a file of the virtual storage device, and performing access operation of the file in the physical storage device via an operating system of the control device and not via a file system of the control device according to the request command.

Abstract: A remote monitoring method includes monitoring a plurality of components on a main board. When one of the plurality of components fails to function properly, a warning message is produced to indicate that the component is out of order. Afterward, the warning message is transmitted to a remote control device through a network medium. The remote control device then produces a plot to imitate the relative positions of the main board and the components and displays the malfunctioning component on the plot.