Abstract: An electronic device includes a platform controller hub and a charging interface. The charging interface includes a connector for coupling to a peripheral device, and a charging integrated circuit coupled to the connector. The connector includes an insert detecting member for detecting if the peripheral device is inserted. The charging integrated circuit can provide power to the connector. The platform controller hub can exchange data through the connector through the charging integrated circuit. The charging integrated circuit can cut off the power to the connector when the insert detecting member detects that no peripheral device is inserted in the connector.

Abstract: An over-current detection circuit includes a power supply module, a control circuit, and a control chip. The control circuit includes a first switch and a second switch. The power supply module is configured to not supply power to an interface when over-current is present at the interface. The control chip is configured to output a control signal when detecting over-current is present at the interface. The first switch is configured to be switched off after receiving the control signal. The second switch is configured to be switched on after the first switch is switched off. The control chip is configured to output a detection signal after the second switch is switched on. An over-current detection system is also provided.

Abstract: Motherboard voltage testing device includes a power supply module for supplying a DC voltage, an illuminating module, and a switching module for detecting a DC voltage of a motherboard. A first terminal of the switching module is coupled to the power supply module, and a second opposite terminal of the switching module is coupled to the illuminating module. When the switching module detects the DC voltage of the motherboard is in the motherboard, the illuminating module is configured to receive the DC voltage of the power supply module to emit light, and when the switching module detects there is no remaining DC voltage on the motherboard, the illuminating module cannot receive the DC voltage from the motherboard and the illuminating module is power off and does not emit light.

Abstract: A detecting device for detecting USB specification includes a USB interface circuit, a USB 2.0 detecting circuit, and a prompting circuit. The USB interface circuit includes a USB 2.0 pin for receiving data under USB 2.0 specification, and a USB 3.0 pin coupled to a south bridge chip for receiving data under USB 3.0 specification. The USB 2.0 detecting circuit is coupled to the USB 2.0 pin. The USB 2.0 detecting circuit can send a control signal to the prompting circuit upon detecting a data exchange requirement from the USB 2.0 pin. The prompting circuit can prompt upon receiving the control signal.

Abstract: An interface supply circuit includes an interface, a control circuit coupled to the interface, a power supply coupled to the control circuit, a control chip coupled to the power supply, and a detection chip coupled to the control chip and the interface. The power supply supplies power to the interface. The interface is configured to receive a wireless card. The detection chip is configured to detect a working state of a computer and detect whether the wireless card is inserted into the interface. The detection chip sends a stop signal to the control chip upon detecting that the computer is shutdown and that no wireless card is inserted into the interface. The control chip sends a disconnect signal to the control circuit upon receiving the stop signal. The control circuit disconnects the power supply and the interface upon receiving the disconnect signal.

Abstract: An alarm system for power supply includes a power supply unit, an electronic device, a control unit, and a switch unit. The power supply unit includes a battery. The battery outputs a power supply voltage. The power supply receives a standby DC voltage, and outputs a first voltage level signal according to the standby DC voltage and the power supply voltage. The electronic device outputs a second voltage level signal. The control unit receives the first voltage level signal and the second voltage level signal, and outputs a control signal in accordance. The switch unit receives the control signal, and sounds alert when there is no electric charge in the battery.

Abstract: An electronic device includes an enclosure, a cover for closing the enclosure, a detecting module, a timer, and a system controller. The detecting module can detect if the cover is opened relative to the enclosure. The timer is coupled to the detecting module. The system controller is coupled to the timer. The timer is configured to time an open period of the cover. The system controller can shut down an operating system of the electronic device when the open period exceeds a predefined period.

Abstract: A noninvasive method of source-sink regulation in rice belongs to the technical field of rice production. In this method, the source-sink relationship is regulated by a rice sterile line and its identical type of maintaining line being subjected to mixed-planting and insulated pollination, or sowing and transplanting at different times and insulated pollination, so as to construct rice plant samples with gradient difference of source-sink levels. The present invention is a kind of native, natural noninvasive method of source-sink regulation, which could broaden the traditional thinking of source-sink theoretical research, especially overcome the deficiency in conventional methods such as leaf-cutting, spikelet-thinning that lead to physical injury or physiological interference.

Abstract: An anti-leakage supply circuit which avoids any power leakage to earth includes an interface, a management chip configured to detect a working state of a computer, a motherboard power supply configured to supply power to the interface and the management chip, and a control circuit coupled to the management chip. The control circuit is coupled between the motherboard power supply and the interface. The management chip is configured to output a signal to the control circuit when the computer is in standby state which disconnects the motherboard power supply and the interface.

Abstract: A charging circuit for USB interface includes a power supply unit, a USB interface, a control module with a current limiting terminal, and a transformation module connected to the current limiting terminal. The control module is connected between the power supply unit and USB interface. The transformation module is configured to generate a first control electric current or a different second control electric current through the current limiting terminal. When the first control electric current flows through the current limiting terminal, a first output electric current is inputted to the USB interface. When the second control electric current flows through the current limiting terminal, a different second output electric current is inputted to the USB interface, in either case data can be transmitted in parallel with the electrical power.

Abstract: The invention discloses a method of establishing an adaptive mobile cluster network. The method comprises the steps of: (a) determining a network service requested by a mobile communication device; (b) according to the requested network service, determining at least one communication parameter needed by the mobile communication device; (c) according to the needed communication parameter, selecting a header device from a plurality of wireless communication devices by the communication device; (d) selecting a plurality of agent devices from the remaining wireless communication devices by the header device; and (e) selecting a plurality of normal devices from the remaining wireless communication devices by the agent devices, so as to establish the adaptive mobile cluster network.

Abstract: A positioning method and an electronic device utilizing the same are disclosed. The positioning method, adopted by an electronic device for positioning a mobile device, includes: determining a preliminary plane location of the mobile device; obtaining a tilt angle of the mobile device; and correcting an error in the preliminary plane location based on the tilt angle, to obtain the correct plane location of the mobile device.

Abstract: Eyeglasses with replaceable lenses include a lens frame, two lenses, two temples jointed pivotally with two ends of the lens frame, and two fastening members. The lens frame has two through holes respectively embedded with the lenses. The through hole has an embedding groove and a blocking projection. The lens frame also is also provided with a combining surface, used to engage with the fastening member, located at two sides respectively and having a notched portion next to the through hole. The fastening member possesses a locking portion with a locking groove at the top and a locking projection located at one side of the bottom for interlocking with the fixing groove. So a user can easily change lenses without utilizing any tool, in accordance with diverse occasions or fondness.

Abstract: The invention discloses an intelligent navigation method comprising the following steps of: (a) defining a system circle based on a current position and a target position; (b) searching a plurality of paths between the current position and the target position from the system circle; (c) for each path, calculating a total of directional paths and a total of path-influenced factors; (d) summing up the total of directional paths and the total of path-influenced factors for each path to obtain a plurality of summations; and (e) selecting a path corresponding to the minimum of all summations to be the optimal path.

Abstract: The invention discloses a method of establishing an adaptive mobile cluster network. The method comprises the steps of: (a) determining a network service requested by a mobile communication device; (b) according to the requested network service, determining at least one communication parameter needed by the mobile communication device; (c) according to the needed communication parameter, selecting a header device from a plurality of wireless communication devices by the communication device; (d) selecting a plurality of agent devices from the remaining wireless communication devices by the header device; and (e) selecting a plurality of normal devices from the remaining wireless communication devices by the agent devices, so as to establish the adaptive mobile cluster network.

Abstract: The invention discloses a method of establishing an adaptive mobile cluster network. The method comprises the steps of: (a) determining a network service requested by a mobile communication device; (b) according to the requested network service, determining at least one communication parameter needed by the mobile communication device; (c) according to the needed communication parameter, selecting a header device from a plurality of wireless communication devices by the communication device; (d) selecting a plurality of agent devices from the remaining wireless communication devices by the header device; and (e) selecting a plurality of normal devices from the remaining wireless communication devices by the agent devices, so as to establish the adaptive mobile cluster network.

Abstract: The invention discloses a home networking system and an admission control method for the home networking system. First, a first request information representative of a first traffic request for a terminal station is received. The first request information includes a first padding information column which includes a first routing path, a first required bandwidth, and a first compression format corresponding to the first required bandwidth. Subsequently, according to the first routing path and the first required bandwidth, it is judged whether one available bandwidth allocated to each link of the first routing path satisfies the first required bandwidth. If YES, the first traffic in the first compression format is admitted.

Abstract: The invention provides an electronic apparatus capable of automatically generating tags which can generate an applicable tag related to a digital content. The electronic apparatus includes a storage module, a communication module and a processing module. The storage module therein stores a set of initial data related to the digital content. The communication module is used for communicating with a social network which can provide a shared tag. The processing module is coupled with the storage module and the communication module. The processing module receives the shared tag via the communication module and generates the applicable tag according to the set of initial data and the shared tag.

Abstract: The invention discloses a method of establishing an adaptive mobile cluster network. The method comprises the steps of: (a) determining a network service requested by a mobile communication device; (b) according to the requested network service, determining at least one communication parameter needed by the mobile communication device; (c) according to the needed communication parameter, selecting a header device from a plurality of wireless communication devices by the communication device; (d) selecting a plurality of agent devices from the remaining wireless communication devices by the header device; and (e) selecting a plurality of normal devices from the remaining wireless communication devices by the agent devices, so as to establish the adaptive mobile cluster network.

Abstract: An Internet communication system including a first access point, a second access point, a first caller and a first callee is provided. The first access point and the second access point are respectively located in a first LAN and a second LAN. The first caller, having a probing-based mechanism, accesses the Internet via the first access point and has voice packets with a first transmission priority. The first callee accesses the Internet via the second access point. The first caller transmits a simulation packet to the first callee for probing a transmission quality of an end-to-end transmission path of the first caller and the first callee to determine whether to invite the first callee to communicate via the Internet.