Abstract: An electric power system for transportation comprises an electric generator started up by an ignition signal, an electricity storage element and a power supply connected to the electric generator, the electricity storage element and the load. The power supply comprises a standby power supply unit, an operating power supply unit and a control unit connected to the electric generator. The control unit is provided with a first state allowing the standby power supply unit and the operating power supply unit to stop operation when the ignition signal is not detected, and a second state starting up the standby power supply unit so as to allow the standby power supply unit to supply electric power to the load and induce the load to emit an on-off signal to the operating power supply unit when the ignition signal is detected.

Abstract: A start-up architecture of a redundant power supply system is provided. The redundant power supply system is electrically connected to a load, and includes N+M power supplies, where N?1 and M?1. The start-up architecture includes a power integration backboard electrically connected to the power supplies, and a mode switching member. The power integration backboard includes an activation circuit, and has a synchronous booting mode in which the power supplies are simultaneously activated and a sequential booting mode in which the power supplies are sequentially activated. The mode switching member is electrically connected to the activation circuit, and receives a manual switching of a user to output a synchronous booting signal that controls the power integration backboard to enter the synchronous booting mode and to output a sequential booting signal that controls the power integration backboard to enter the sequential booting mode.

Abstract: A start-up architecture of a redundant power supply system is provided. The redundant power supply system is electrically connected to a load, and includes N+M power supplies, where N?1 and M?1. The start-up architecture includes a power integration backboard electrically connected to the power supplies, and a mode switching member. The power integration backboard includes an activation circuit, and has a synchronous booting mode in which the power supplies are simultaneously activated and a sequential booting mode in which the power supplies are sequentially activated. The mode switching member is electrically connected to the activation circuit, and receives a manual switching of a user to output a synchronous booting signal that controls the power integration backboard to enter the synchronous booting mode and to output a sequential booting signal that controls the power integration backboard to enter the sequential booting mode.

Abstract: A redundant power supply system for reducing standby power consumption includes a plurality of power supply modules and a power integration backboard. Each of the power supply modules includes an operating power modulation unit, a standby power modulation unit and a control unit connected to the standby power modulation unit. The power integration backboard is connected to the power supply modules, and includes an integration output unit and a standby power consumption management unit. The integration output unit integrates the operating powers and the standby powers of the power supply modules to provide an output to a load. The standby power consumption management unit outputs an operating signal to the control unit of each of the power supply modules according to a power consumption condition of the load, such that the control unit can activate or deactivate the standby power modulation unit according to the operating signal.

Abstract: A redundant power supply system for reducing standby power consumption includes a plurality of power supply modules and a power integration backboard. Each power supply module includes a first power supply path, a second power supply path, and an operating power conversion unit disposed on the first power supply path and including a standby power input path. The power integration backboard is connected to the power supply modules and includes an operating power integration unit and a standby power conversion unit. The standby power conversion unit is connected to the standby power input paths of the power supply modules to provide the standby powers to the power supply modules. The standby power conversion unit includes a power adjustment mechanism which determines a corresponding number of the second power supply paths for converting the external powers to the standby powers according to a power consumption signal.

Abstract: A power data switch communication architecture includes a first power supply unit, a second power supply unit, a motherboard and a data communication switch unit. The first power supply unit and the second power supply unit include respectively a first power source management unit and a second power source management unit that generate respectively corresponding first and second working parameters based on operating states of the first and second power supply units. The motherboard includes a first data communication circuit connected to the first power source management unit and a second data communication circuit connected to the second power source management unit. The data communication switch unit is electrically connected to the first data communication circuit and the second data communication circuit to receive a switch signal to determine whether to set on the first data communication circuit or the second data communication circuit.

Abstract: A power data communication architecture located in an electronic apparatus includes at least a power supply unit, a data communication control unit and a motherboard. The power supply unit includes a power source management unit to generate at least one corresponding working parameter based on operating states of the power supply unit. The data communication control unit includes at least one power source management connection port to get the working parameter of the power supply unit and a buffer memory unit to store the working parameter. The motherboard is electrically connected to the buffer memory unit to read the working parameter saved therein.

Abstract: A multi-motherboard power data communication architecture for power supplies located in an electronic apparatus includes at least a power supply unit, a data communication control unit, a first motherboard and a second motherboard. The power supply unit includes a power source management unit to generate at least one corresponding working parameter based on operating states of the power supply unit. The data communication control unit includes at least one power source management connection port to get the working parameter of the power supply unit, a buffer memory unit to store the working parameter, and a first data output port and a second data output port to respectively output the working parameter. The first motherboard and second motherboard are electrically connected to the first and second data output ports respectively to read the working parameter saved in the buffer memory unit.

Abstract: A power supply consuming low energy in standby conditions includes a primary power system activated by standby power, a standby power system, a remote start/stop signal source and a start triggering circuit. The remote start/stop signal source is triggered by users to generate a remote start/stop signal sent to the start triggering circuit to generate a start signal. The standby power system is connected to a control unit and generates the standby power according to an electric signal provided by the control unit. The control unit also determines time series of sending the electric signal to the standby power system according to time series of the start signal being generated. Thus a mechanism to start and stop the standby power system is formed.

Abstract: A machine boot up protection structure for parallel power supply equipment provides a determination level to set the parallel power supply equipment in an ON condition. It has a control unit to receive a connection signal output by each of power supply units to compare with the determination level. If the comparison matches, all of the power supply units are activated to the ON condition. If the comparison does not match, all of the power supply units are set to an OFF condition. Thereby when the external power is not completely connected, some of the power supply units do not suffer from overloading and damaging.

Abstract: The present invention discloses a method of using a power supply to perform far-end monitoring of an electronic system. The electronic system has at least one power supply. The power supply has a signal integration unit receiving working parameters of the electronic system and a communication unit transmitting the working parameters to a communication network. The method of the present invention comprises steps: setting warning conditions, collecting working parameters, performing judgment, and performing far-end warning. The warning conditions are defined and stored in the signal integration unit. The signal integration unit collects the working parameters of the electronic system persistently. When determining that at least one of the working parameter meets the warning conditions, the signal integration unit generates a warning signal. The communication unit receives the warning signal and transmits the warning signal to the communication network.

Abstract: The present invention discloses a cooling-fan rotation-speed control circuit, wherein a plurality of sets of input power sources respectively having different voltages is electrically and parallel coupled to a cooling fan; a switch is installed between at least one input power source and the cooling fan; the switch is turned on/off according to a rotation-speed parameter to determine whether the cooling fan is driven by a low-voltage driving power or a high-voltage driving power.

Abstract: A redundant power supply system aims to balance power supply among main power units and stationary power units to achieve optimum output quality for the main power units and stationary power units, and also prevent interruption of power supply resulting from any main power units or stationary power units. It includes a power integration control unit. The power integration control unit and the main power units and stationary power units are bridged respectively by a power balance unit which functions in a load power balance mode such that the power integration control unit outputs a total output power in power ON and standby conditions, and each power supply device delivers actual output power according to the load ratio of the power supply device.

Abstract: An identification apparatus for backup-type power supply systems aims to be used on a backup-type power supply system which includes real power supply devices and dummy power supply devices to form a N+1 architecture to output power. It has signal generation means located on the real power supply devices and dummy power supply devices to generate real identification signals and dummy identification signals of different potentials and a signal detection means to receive the identification signals to identify the real power supply devices and dummy power supply devices. Thereby operators can clearly understand coupling and installation conditions of the power supply devices of the backup-type power supply system to perform power risk management.

Abstract: A backup transmission structure of an electronic device includes a switching unit, and primary and backup transmission circuits connected to host and terminal equipment respectively. The primary and backup transmission circuits include first and second switches respectively. The switching unit normally outputs an ON signal to the first switch to connect the primary transmission circuit for an electric connection of the host and terminal equipment. The primary transmission circuit obtains a circuit disable signal to switch outputting the ON signal to the second switch for electrically connecting the backup transmission circuit, so as to maintain an electric connection between the host equipment and the terminal equipment, and improve the stability of signal transmissions between the host equipment and the terminal equipment to overcome the shortcomings of the prior art adopting a host equipment that uses a single transmission circuit to connect terminal equipment in series and resulting in frequent breakdowns.

Abstract: A power supply consuming low energy in standby conditions includes a primary power system activated by standby power, a standby power system, a remote start/stop signal source and a start triggering circuit. The remote start/stop signal source is triggered by users to generate a remote start/stop signal sent to the start triggering circuit to generate a start signal. The standby power system is connected to a control unit and generates the standby power according to an electric signal provided by the control unit. The control unit also determines time series of sending the electric signal to the standby power system according to time series of the start signal being generated. Thus a mechanism to start and stop the standby power system is formed.

Abstract: A digital television (TV) having two channel stereo receives two sets of readable TV signals corresponding to two selected TV channels, filters the two sets of readable TV signals to obtain a first set of audio data and a second set of audio data first Bluetooth transmitter is configured for converting the first set of decoded audio data into a first analog audio signal, and a second Bluetooth transmitter is configured for converting the second set of decoded audio data into a second analog audio signal, so as to realize two channel stereo.

Abstract: A method for identifying power supply modules is adopted for use on a backup-type power supply system that includes real power supply modules and a dummy power supply module structured in a N+1 architecture to output power. By altering PG signal issue time and identifying PG signal delivery time difference of different power supply modules, the real power supply modules and the dummy power supply module can be identified. Thus operators can clearly understand coupling and installation conditions of the power supply modules of the backup-type power supply system to facilitate power risk management.

Abstract: The present invention discloses a method of modulating a power supply conversion curve. The method obtains an input power and an output power of the power supply device for a conversion efficiency curve, and obtains the best efficiency value in the conversion efficiency curve, and then obtains a total load using power outputted by the power supply device, in order to adjust the best efficiency value, such that the best efficiency value is directly proportional to the total load using power, and the power supply device is operated at the best conversion efficiency to achieve the energy saving effect.

Abstract: An individual control circuit and method of multiple power output to be used on a single server power supply system includes a circuit board to receive power from the single server power supply system, a plurality of power output units located on the circuit board each supplies power required by a power system and each has a power OFF mode and a power ON mode, and a control circuit located on the circuit board to drive the power output units to output power. The control circuit receives a duty signal from feedback of the power system to determine whether the power system is abnormal, and orders the power output unit which provides power at the front end of the abnormal power system to enter the power OFF mode.