Abstract: A digital photo frame with automatic backup function includes a storage unit; an interface for connecting with an external storage device; and a processing unit. The processing unit includes a detecting module for detecting whether the interface is connected with the external storage device; an obtaining module for obtaining an identification number of the connected external storage device; a search module for searching for a folder corresponding to the external storage device in the storage unit, according to the identification number of the external storage device; a reading module for reading files from the external storage device; and a backup module for backingup the files to the corresponding folder when the search module finds the corresponding folder. Related methods of automatic file backup are also provided.

Abstract: The present invention discloses a cathode fuel flow board for fuel cell, which comprises: a substrate, at least one main channel, and at least one sub channel. The main channels are arranged on the substrate. The sub channels are arranged on the substrate, and the sub channels are intersected and connected with the main channels; wherein, the size of the sub channel is smaller than the size of the main channel. Moreover, the structure of the sub channel may be a groove structure, or a hollow area by digging a small portion of the area of the substrate, and may also be a groove body structure.

Abstract: The present invention is a fuel cell with embedded series/parallel mechanism, which comprises: an anode circuit board including: anode current collector circuits; anode wirings which are electrically connected to these anode current collector circuit, respectively; anode pads which are configured at the board edge of the anode circuit board and electrically connected to these anode wirings; and, a cathode circuit board including: cathode current collector circuits; cathode wirings which are electrically connected to these cathode current collector circuits, respectively; and, cathode pads which are configured at the board edge of the cathode circuit board and electrically connected to these cathode wirings, in which each cathode pad is corresponding to one opposite anode pad; and, membrane electrode assemblies which are bonded and sandwiched between the anode circuit board and the cathode circuit board; U-shape connection terminals, each of which is clipped between a pair of anode pad and cathode pad in oppos

Abstract: The present invention is a current collector board for fuel cell, which comprises: a substrate providing with at least one current collector area; at least one wiring, which is configured on the surface of the substrate; and, at least one pre-made current collector sheet, which is made of high conductivity material; wherein, these current collector sheet are tightly bonded, and covering these current collector areas of the substrate, and extending for contacting with these wirings.

Abstract: A power supplying unit with a smart control on a cooling device is described. The smart power supplying unit is used in electronic devices with a cooling device to actively control the system temperature of the electronic devices to prevent the system temperature from being too high, and to maintain the normal operation of the electronic device. The smart power supplying unit includes a power supply unit, one or several parameter measuring devices, and a smart controller. The parameter measuring devices are preferably placed in the power supply unit to measure parameters, such as total or individual output power or the temperature at a preset position in the power supply unit. The smart controller adjusts the output cooling power of the cooling device according to the measured parameters.

Abstract: The present invention provides a layer lamination integrated fuel cell, which comprises: two sheets of one-sided cathode flow field boards, at least one sheet of two-sided cathode flow field board, at least one sheet of two-sided anode flow field board, and, at least one sheet of bipolar fuel cell boards; in which, the two sheets of one-sided cathode flow field boards are configured on the both outmost sides of the fuel cell; these two-sided cathode flow field boards, these two-sided anode flow field boards, and these bipolar fuel cell boards are configured between the fuel cell in separated layers.

Abstract: The present invention is an anode flow field board for fuel cell, which comprises a substrate, and a shunt portion configured on the substrate, an inlet channel structure, at least one slot body, an outlet channel structure, and an outlet hole; wherein, the shunt portion is formed by digging a small area of the substrate as a hollow area; the inlet channel structure is connected between the shunt portion and these slot bodies, and the configured positions for the arrangement of these slot bodies are associated with these configured positions of anodes for each membrane electrode assembly; the outlet channel structure is connected between these slot bodies and the outlet hole; and, the outlet hole is connected to the outlet channel structure, and the outlet hole is formed by digging a small area of the substrate as a hollow area.

Abstract: The present invention discloses an assembly method for assembling plate-type membrane electrode assembly layer and the structure thereof; wherein, the assembly method includes the following steps: providing at least one membrane electrode assembly (MEA); providing a frame, in which the frame is provided with at least one first hole, and the opening area of the first hole is slightly smaller than the area of the MEA; providing a bonding sheet, in which the bonding sheet is provided with at least one second hole, and the opening area of the second hole is slightly smaller than the area of the MEA, and each second hole is corresponding to each first hole respectively; placing these MEAs into these first holes on the frame, and covering these MEAs with the bonding sheet; and, pressing the pressing areas on the bonding sheet surrounding these second holes, so the bonding sheet, these MEAs, and the frame stacked sequentially could be joined as a plate-type MEA layer, in which these pressing areas are corresponding

Abstract: The present invention is a cathode flow field board for fuel cell, which comprises a substrate, an inlet channel structure configured on the substrate, at least one slot body, an outlet channel structure, a first hollow area, and a second hollow area; wherein, the inlet channel structure is connected between these slot bodies, and the inlet area of the inlet channel structure is a groove structure, and the area of the inlet channel structure connected to these slot bodies employs a hollow structure. The configured positions for the arrangement of these slot bodies are associated with these configured positions of cathodes for each membrane electrode assembly; the outlet channel structure is connected to these slot bodies; and, the first hollow area and the second hollow area are configured associating with the anode flow field board.

Abstract: The present invention is a fuel cell with embedded series/parallel mechanism, which comprises: an anode circuit board including: anode current collector circuits; anode wirings which are electrically connected to these anode current collector circuit, respectively; anode pads which are configured at the board edge of the anode circuit board and electrically connected to these anode wirings; and, a cathode circuit board including: cathode current collector circuits; cathode wirings which are electrically connected to these cathode current collector circuits, respectively; and, cathode pads which are configured at the board edge of the cathode circuit board and electrically connected to these cathode wirings, in which each cathode pad is corresponding to one opposite anode pad; and, membrane electrode assemblies which are bonded and sandwiched between the anode circuit board and the cathode circuit board; U-shape connection terminals, each of which is clipped between a pair of anode pad and cathode pad in oppos

Abstract: An input circuit shared by multi signal sources each of which outputting a type of signals includes a processing unit (10). The processing unit includes a plurality of input pins (11) and an interrupt pin (12), each of the input pins connecting with one or more of the signal sources and receiving signals from the signal sources. The input circuit further includes a tristate buffer (30) The tristate buffer includes an enable pin (33) enabling the tristate buffer upon receiving an enable signal, a plurality of input pins (31) connecting with one or more of the signal sources and receiving signals from the signal sources, and a plurality of output pins (32) connecting with the interrupt pin of the processing unit and producing an interrupt signal to the interrupt pin according to the signals received at the input pins. A related wake-up signal input circuit is also provided.

Abstract: A fuel cell device is disclosed, which comprises one or more membrane electrode assemblies and at least one two-sided flow board disposed on one side of the membrane electrode assembly. The two-sided flow board comprises a substrate including one or more flow channels, wherein the flow channels are disposed corresponding to the membrane electrode assemblies. The two-sided flow board also comprises one or more conductive sheets made of a conductive material, wherein the conductive sheets respectively cover the flow channels of the substrate, and are fixed to the substrate. The two-sided flow board further comprises one or more current collection sheets made of a conductive material, wherein the current collection sheets respectively cover the conductive sheets, and are fixed to the conductive sheets.

Abstract: An intelligent power supply is described. The intelligent power supply includes a case, a circuit board, a fan, a detecting module, and an alarm module. The circuit board transforms an alternating current from a main supply to a direct current for an electronic equipment. The fan reduces the operating temperature of the intelligent power supply and can also reduce the operating temperature of the electronic equipment. The detecting module detects the operating status of the intelligent power supply and the alarm module sends out an alarm signal when the operating status is abnormal.

Abstract: A turbo computer is described. The turbo computer includes a computer case, a turbo switch, a fan and a turbo cooling device. The fan regularly reduces the operating temperature of a CPU of the turbo computer. The turbo switch turns on the turbo cooling device to further reduce the operating temperature of the CPU so as to prevent the frequency downgrade of the CPU. Therefore, the turbo computer can work under a suitable operating temperature and prevent the frequency downgrade or damage caused by a high operating temperature so as to increase the life-span of the CPU and the computer.

Abstract: A double-effect thermoelectric cooling apparatus is described. The double-effect thermoelectric cooling apparatus includes a heat-dissipating barrel, a wind guide, cooling fins, and a fan. The heat-dissipating barrel further includes a thermoelectric chip-cooling module and heat-dissipating fins disposed therein. The fan drives a part of air passing through the heat-dissipating fins to remove a heat exchanged by the thermoelectric chip-cooling module. One end of the wind guide is coupled to a heat source of an electronic device, for example, a CPU or a graphic card of a computer. Another end of the wind guide is coupled to the fan to guide another part of the air through the cooling fins reducing the temperature thereof to the heat source of the electronic device to reduce the operating temperature of the heat source.

Abstract: A thermoelectric cooling apparatus is described. The thermoelectric cooling apparatus includes a heat-dissipating barrel, a wind guide, cooling fins, and a guiding fan. The heat-dissipating barrel further includes a thermoelectric chip cooling module and heat-dissipating fins disposed therein to remove the heat exchanged by the thermoelectric chip cooling module. One end of the wind guide is coupled to a heat source of an electronic device, for example, a CPU or a graphic chip of a computer. Another end of the wind guide is coupled to the cooling fins coupled to the thermoelectric chip cooling module. The guiding fan drives air passing through the cooling fins to reduce a temperature thereof and blowing to the heat source to reduce the operating temperature thereof.

Abstract: The present invention is a fuel cell device, which at least comprises: at least one membrane electrode assembly, in which the membrane electrode assembly at least comprises: an anode electrode, a proton exchange membrane, and a cathode electrode; and, at least one double-sided flow board, which is configured on one side of the membrane electrode assembly, and the double-sided flow board employs a wave structure.

Abstract: A multi purpose switching circuit is provided. The multi purpose switching circuit is connected with a main unit (60) of an electronic apparatus and includes a multi purpose switch (10). The multi purpose switch is capable of receiving multiple manual operational inputs and accordingly producing multiple command signals. The multiple manual operational inputs are identified by a pushing time and a pushing count in a predetermined time of the multi purpose switch. The multiple command signals initiate the main unit to implement multiple functions such as starting up, shutting down and resetting itself. An electronic device including such a multi purpose switching circuit is also provided.

Abstract: A flow board applied to a fuel cell is disclosed. The fuel cell includes at least one membrane electrode assembly. The flow board comprises a plate body having one or more concave portions, each of which is disposed corresponding to the position of a membrane electrode assembly, and one or more current collection sheets made from a conductive material, wherein each current collection sheet covers a corresponding concave portion of the plate body, and the current collection sheets are fixed on the plate body.

Abstract: A power-off circuit includes a power unit (10), a power management unit (20), an integrated circuit chip (IC chip, 40), a switching apparatus (30), and a clamp circuit (70). The switching apparatus produces and transmits a power-off instruction to the power management unit. The power management unit produces and transmits a power-off notice to the IC chip in accordance with the power-off instruction. And the IC chip feeds back a power-off affirmation in accordance with the power-off notice to the clamp circuit. The clamp circuit receives the power-off affirmation and produces and transmits interrupted power-off signals to the power management unit, till the power management unit completely cuts off power supplied from the power unit to the IC chip.