Abstract: An automatic steel ball inspection method and system are capable of inspecting surfaces and physical properties of the steel balls, and sorting out non-targeted and non-qualified steel balls. The inspection mainly includes detecting the physical properties of the steel balls by inspecting the eddy current of the steel balls, sorting out non-targeted steel balls, taking pictures of the surfaces of the steel balls with an image pickup device, comparing the pictures of the surfaces of the steel balls, and sorting out non-qualified steel balls.

Abstract: An inspection device and method are capable of inspecting physical properties of a steel ball quickly and precisely by using eddy current. The inspection device includes an inspection passage and an inspector has a plurality of probes located in the inspection passage. Each of the probes can produce a specific magnetic field and detect eddy current change produced by the steel ball when moving through the magnetic field, whereby to produce a signal. Then, the signal will be analyzed by the inspector and converted into physical property data of the steel ball.

Abstract: A multiple power supply device including a power consuming unit, a plurality of power supply units, and a plurality of switching units is provided. The power consuming unit receives a plurality of power good signals, and outputs a plurality of power control signals accordingly. The power supply units output a plurality of working voltages respectively, and meanwhile output the power good signals. When the power consuming unit is in a working state and one of the power good signals is enabled, the power consuming unit enables the corresponding power control signal. When the power consuming unit is in a working state and a part of the power good signals are enabled, the power consuming unit enables one of the power control signals corresponding to the enabled power good signals. The switching units transmit the corresponding working voltage to the power consuming unit according to the enabled power control signal.

Abstract: A feeding device for a balls-sorting machine serves to guide balls to a rotary ball-carrying disc disposed in a housing, the ball-carrying disc is formed with a plurality of ball-falling holes. The feeding device comprises: a feeding hopper, a dividing device, and a control unit. The feeding hopper includes a feeding hole and a feeding passage connected to the housing. The dividing device is abutted against the ball-carrying disc and formed with a receiving space, and a sub-inputting hole and a sub-outputting hole which are in communication with the receiving space, the sub-inputting hole is connected to the feeding passage, and the sub-outputting hole is located corresponding to the ball-falling holes of the ball-carrying disc.

Abstract: A power supply test system includes a test chamber, a switch module, a temperature detecting unit, a control module, and a refrigerating and heating module. The test chamber accommodates a power supply. The switch module inputs a predetermined temperature value. The temperature detecting unit detects temperature signals in the test chamber. The control module receives the temperature signals. The refrigerating and heating module receives a first control signal from the control unit when a value of the temperature signal is less than the predetermined temperature value. The refrigerating and heating module heats the test chamber. The refrigerating and heating module receives a second control signal from the control unit when a value of the temperature signal is greater than the predetermined temperature value. The refrigerating and heating module refrigerates the test chamber until the value of the temperature signal is equal to the predetermined temperature value.

Abstract: A power supply test system for testing the reliability of a power supply includes a controlling input module, a signal collecting module, a signal input module, an alarm module, and a display module. The controlling input module inputs a time signal and a test signal in the signal collecting module. The signal collecting module turns on the power supply according to the test signal. When the power supply is turned on, the power supply outputs a power on signal, the signal collecting module records the time the test starts. When the power supply breaks off, the power supply outputs a power off signal, the signal collecting module records the time the power supply breaks off and outputs an alarm signal. The alarm module receives alarm signal and alarms to indicate the test is over. The display module displays the time the test starts and the power supply breaks off.

Abstract: A feeding device for a balls-sorting machine serves to guide balls to a rotary ball-carrying disc disposed in a housing, the ball-carrying disc is formed with a plurality of ball-falling hoes. The feeding device comprises: a feeding hoper, a dividing device, and a control unit. The feeding hopper includes a feeding hole and a feeding passage connected to the housing. The dividing device is abutted against the ball-carrying disc and formed with a receiving space, and a sub-inputting hole and a sub-outputting hole which are in communication with the receiving space, the sub-inputting hole is connected to the feeding passage, and the sub-outputting hole is located corresponding to the ball-falling holes of the ball-carrying disc.

Abstract: A power circuit includes an input terminal receiving alternating current, a first AC filtering circuit connected to the input terminal, a bridge rectifier circuit, a DC filtering circuit, a DPDT switch, and an output terminal. Two input ends of the bridge rectifier circuit are connected to the first AC filtering circuit. The DPDT switch includes a first pair of pins, a second pair of pins, and a pair of output pins. The first pair of pins is connected to the DC filtering circuit. The second pair of pins is connected to the input terminal. The DC filtering circuit is connected to the pair of output pins of the DPDT switch. The first pair of pins is switched on to enable the output terminal to output direct current, and the second pair of pins is switched on to enable the output terminal to output alternating current.

Abstract: A fan rotation speed detection system includes a sampling and modulating unit, a lighting unit, a light sensing unit, a demodulating unit, and a control chip. The sampling and modulating unit generates a sampling frequency signal. The sampling frequency signal is a square wave signal. The lighting unit emits light on fan blades of a fan when the square wave signal is at a high level. The light sensing unit senses light reflected from the fan blades and generate a detection signal. The demodulating unit demodulates the detection signal to generate a demodulated signal when the square wave signal is at a high level. The control chip accounts a rotation speed of the fan according to the demodulated signal.

Abstract: A multiple power supply device including a power consuming unit, a plurality of power supply units, and a plurality of switching units is provided. The power consuming unit receives a plurality of power good signals, and outputs a plurality of power control signals accordingly. The power supply units output a plurality of working voltages respectively, and meanwhile output the power good signals. When the power consuming unit is in a working state and one of the power good signals is enabled, the power consuming unit enables the corresponding power control signal. When the power consuming unit is in a working state and a part of the power good signals are enabled, the power consuming unit enables one of the power control signals corresponding to the enabled power good signals. The switching units transmit the corresponding working voltage to the power consuming unit according to the enabled power control signal.

Abstract: A multiplexing pin control circuit for a computer system with multiple chips is provided, and includes a Southbridge chip having at least one multiplexing pin; at least one control module including a first connecting terminal electrically connected to the multiplexing pin, a second connecting terminal, and a control end receiving an enable signal; and a peripheral apparatus having an input/output (I/O) interface electrically connected to the second connecting terminal. When the enable signal is at a first level or a second level, the peripheral apparatus is electrically isolated from or connected to the second connecting terminal correspondingly. The control module switches on or switches off an electrical connection of the multiplexing pin with an external circuit, thereby avoiding an interference with a level voltage of the multiplexing pin during an initialization and reset period and further ensuring the multiplexing function of the pin during a normal operation period.

Abstract: The invention provides a power switch device for electronic systems equipped having a power module. The power switch device includes a first switch for activating a first signal, a second switch for activating a second signal, a logic judging module for receiving the first and second signals for logic algorithm processing, and a control module electrically connected to the electronic system and the logic judging module. The control module is adapted to generate and transmit on and off signals of the electronic system to the logic judging module. Further, the control module controls switching on the power module according to the off signal and the logic algorithm processing based on the first signal, and also controls switching off the power module according to the on signal and the logic algorithm processing based on the first and second signals.

Abstract: A computer capable of automatic bandwidth configuration according to I/O expansion card (e.g., PCI-Express expansion card) type is provided. A motherboard of the computer includes an I/O expansion slot, a chipset, and a configuration setting circuit. When the I/O expansion slot supports different types of I/O expansion cards having multiple interface card slot combinations, a corresponding bandwidth configuration message is generated on the I/O expansion card. The bandwidth configuration message is used to indicate the type of the I/O expansion card that is being used and thereby control the configuration setting circuit to adjust the bandwidth configuration in the chipset.

Abstract: A computer capable of automatic bandwidth configuration according to I/O expansion card (e.g., PCI-Express expansion card) type is provided. A motherboard of the computer includes an I/O expansion slot, a chipset, and a configuration setting circuit. When the I/O expansion slot supports different types of I/O expansion cards having multiple interface card slot combinations, a corresponding bandwidth configuration message is generated on the I/O expansion card. The bandwidth configuration message is used to indicate the type of the I/O expansion card that is being used and thereby control the configuration setting circuit to adjust the bandwidth configuration in the chipset.

Abstract: An apparatus for automatically regulating a system ID of a motherboard of a server and a server having the same are provided. Under a condition that when a rack server is applied to different server systems, the rack server requires different riser cards, while a tower server does not require any riser card, whenever a corresponding riser card or a device card is inserted into the slot of the motherboard of the server, the present invention can automatically regulate a system ID of a motherboard of a server by designing the motherboard of the server compatible with a plurality of server systems as retained at a same status, i.e., retaining the any status configured on the motherboard unchanged.

Abstract: An apparatus and a method for identifying a system style are provided. The apparatus includes a motherboard and a peripheral backplane. The motherboard is suitable for assembling other backplanes. The peripheral backplane is coupled to the motherboard not only through a signal-data interface but also through an inter-integrated circuit (I2C) bus or a system management (SM) bus. The method includes following steps. First, an identification information is stored on the peripheral backplane. Next, the motherboard reads the identification information from the peripheral backplane through the I2C bus or the SM bus. The motherboard then identifies the system style according to the identification information and is then configured accordingly. Thereby, the motherboard needs not to be configured manually and can be directly applied in different chassis systems supported by the motherboard.

Abstract: A power supply device is provided according to the present invention. The power supply device is applicable to electronic device, which has a non-volatile memory and a power supply circuit that provides power to the non-volatile memory. The power supply device includes: a power consuming unit for providing the non-volatile memory with a power release path; a control unit electrically connected to the power supply circuit, the non-volatile memory, and the power consuming unit, has and having a first connection end, a switching end, and a second connection end for being selectively electrically connected to the first connection end or the second connection end via the switching end.

Abstract: The invention provides a power switch device for electronic systems equipped having a power module. The power switch device includes a first switch for activating a first signal, a second switch for activating a second signal, a logic judging module for receiving the first and second signals for logic algorithm processing, and a control module electrically connected to the electronic system and the logic judging module. The control module is adapted to generate and transmit on and off signals of the electronic system to the logic judging module. Further, the control module controls switching on the power module according to the off signal and the logic algorithm processing based on the first signal, and also controls switching off the power module according to the on signal and the logic algorithm processing based on the first and second signals.

Abstract: The present invention provides an IP telephone gatekeeper system and an implementation method thereof, characterized in that two or more individual gatekeepers are connected each other, so as to forming a gatekeeper system that can be regarded as a single gatekeeper system by the controlled gateways, in which the gatekeepers can substitute and backup mutually. A plurality of computer systems are used to realized the cooperation of a plurality of gatekeepers, for breaking through the limit of capacity of individual gatekeeper group and improving the reliability of the whole system, so that backing-up and substituting mutually can be achieved.

Abstract: The present invention provides an IP telephone gatekeeper system and an implementation method thereof, characterized in that two or more individual gatekeepers are connected each other, so as to forming a gatekeeper system that can be regarded as a single gatekeeper system by the controlled gateways, in which the gatekeepers can substitute and backup mutually. A plurality of computer systems are used to realized the cooperation of a plurality of gatekeepers, for breaking through the limit of capacity of individual gatekeeper group and improving the reliability of the whole system, so that backing-up and substituting mutually can be achieved.