Abstract: A portable loudspeaker includes a base and a speaker cap opposing the base. The base and speaker cap are interposed by a movable resonance portion. The movable resonance portion is formed in a storing state and a releasing state. The base has a resonance reflection portion to receive reverse resonance sound waves generated by a speaker. The movable resonance portion includes a first transmission channel to transmit the reverse resonance sound waves to the resonance reflection portion and a second transmission channel to transmit base sound waves generated by the resonance reflection portion from the reverse resonance sound waves towards the speaker cap. The speaker cap has a second audio outlet to output the bass sound waves.

Abstract: A power supplier with combinable power output ports includes plural power output ports which include at least a unit output port, wherein the unit output port has two terminal slots in which two power terminals at different potentials are respectively mounted, and the unit output port can be combined with another power output port to form a combined output port having another voltage output. The power supplier of the present invention, according to the demands of the user, provides different voltage output standards or sets through combining the unit output port with another unit output port or combining the unit output port with the base level output port to transform into the needed voltage output.

Abstract: A system air fans integrated control apparatus for a computer system which has a plurality of heat sources and a plurality of air fans corresponding to the heat sources includes a plurality of detection units to detect the heat sources and output a plurality of temperature alteration parameter signals, a signal integration and determination circuit to receive and interpret the temperature alteration parameter signals to determine a rotation speed regulation signal, and an air fan driving circuit which is linked to the signal integration and determination circuit and an external driving power source. Upon receiving the rotation speed regulation signal the driving power of the external driving power source to the air fans is regulated synchronously. Thereby multiple heat sources are detected at the same time and multiple air fans are integrated to perform heat dissipating to reduce accumulating heat in the system environment.

Abstract: A computer host with bus interface includes a power supply and a motherboard. The power supply has a main power system and a standby power system. The DC power outputted by the standby power system is used to drive a power on/off unit, which is used for outputting a computer operating signal and a computer shutdown signal. The motherboard has a logic operation circuit and a data transmission port electrically connected to inner electronic device. A bus interface is installed on the computer host and the bus interface has a power transmission terminal and a data transmission terminal. The data transmission terminal is electrically connected with the data transmission port of the motherboard, and the power transmission terminal is electrically connected to the standby power system such that the bus interface can receive the DC power from the standby power system when the computer host is under operation or shutdown.

Abstract: The present invention discloses an overload protection control mechanism for a power supply, wherein a control mechanism installed between two connectors automatically switches the DC power states of the output signal of the overload protection circuit according to the electric connection state between two connectors. Thereby, the present invention not only can prevent the user, who lacks the knowledge of the overload protection circuit, from incorrectly operating the overload protection circuit but also can protect electronic devices from the damage induced by that an unintended touch switches the overload protection circuit erroneously.

Abstract: A power supply equipped with an independent overload protection mechanism includes a control circuit and a transformation circuit that form multiple sets of combination circuits for transforming AC power to DC power. Each control circuit is connected to a protection circuit which monitors overload operation conditions of an electronic device. In the event that an overload condition occurs, the protection circuit outputs an individual protection signal to the control circuit to stop or suspend power output on a DC power cord so that the electronic device at the rear end is not driven. Hence an independent overload protection can be achieved.

Abstract: A signal transmission apparatus for external electronic devices is located on and coupled with a power supply. One end of the signal transmission apparatus that is coupled with the power supply is connected to a control signal input and output unit through a signal transmission line. The opposite end has a plug to connect to an external electronic device. Through the line integration of the signal transmission apparatus, an electric and signal transmission line can be directly connected to the external electronic device to provide required electricity and control signals.

Abstract: An improved share circuit for normal electrical power which is used in a normal electrical power system of a power supply of a computer. The normal electrical power system has a direct current output circuit to provide initial power for starting the computer and the direct current output circuit has a share circuit including a switch line which can be selected to a state of supplying power and a normal circuit for power output for maintaining the computer to start at a normal condition. The switch line is electrically coupling to a load having an external switch and users can control the external switch to a close-circuit state when the computer is at a shut down condition, so as to generate electricity to drive the load, when the external switch is at an open-circuit state. The direct current output circuit will cease electricity output and stop actuating the load.

Abstract: A power supply system for personal computers aims to provide an additional sub-power supply needed when a personal computer requires a power greater than what can be provided by the original main power supply. This invention provides a sub-power supply in the spare space of the existing chassis of the personal computer without removing the main power supply to augment the power supply. The starting power of the sub-power supply is provided by the main power supply. Hence when the personal computer is in the machine stop condition, only the main power supply consumes electric power. Thereby this invention can preserve a green power.

Abstract: An improved power supply terminal to prevent defects and output voltage drop of the power supply and reduce the total cost, and to bridge a power supply connector and insertion slots of a mainboard includes twenty-four first coupling slots on an upper end and twenty or twenty-four second coupling slots on a lower end. The coupling slots are opposing each other and not connected by conductive wires. Thereby it can be coupled with different types of power supply connectors and mainboard insertion slots. Defects and output voltage drop of the power supply can be prevented. Due to no conductive wires and separated design of the coupling slots and the coupling pins is not necessary, molding, material, and fabrication and assembly costs are reduced.

Abstract: A power supply transmission cord to filter out high frequency noises, ripples and noises between a power supply and the connecting peripheral devices such as a VGA card, HDD, RAM, CDROM, DVD and the like. A metal member is provided to surround the transmission cord to filter out the high frequency noises, and a condenser is provided to connect two conductive wires to filter out the ripples and noises.

Abstract: The present invention discloses a current-limiting protection circuit for a power supply, which applies to a power supply that has a maximum power-limiting function, wherein the user will be alarmed by a time-delay alarm circuit of the current-limiting protection circuit when the power used by the loads is in a heavy-load state or a full-load state, and within the delay time preset in the time-delay alarm circuit, the user can adjust the power-limiting value according to the power needed by the loads. Thus, via the current-limiting protection circuit for the power supply of the present invention, the objective of the best power selection and protection of the power supply is achieved.

Abstract: An electric power connector adapting structure includes a connector connected to an electric power cable of a power supply and adapted to an adapting cable for supplying electric power to a port, and the connector installs an electric power terminal therein. The invention includes an electric connecting portion corresponding to a vertical side of an open side of the electric power terminal for connecting an adapting cable, so that the port is electrically coupled to the electric power terminal with an equivalent electric potential, and the connector is connected to a power output port of a power supply for the use of an adapter. The present invention connects an adapting cable to a lateral side of the connector to achieve an easy installation and effectively avoid using excessive cable materials or having a poor cable management.

Abstract: An output voltage circuit for power supply aims to arrange output DC power according to component voltage and equalizing current. The power supply has a voltage transformation circuit which consists of transformers each has at least one high voltage power and one low voltage power. The high voltage power output from each transformer is coupled in parallel and integrated on the same line to be output to a load at the rear end. Each low voltage power is output through a single line to another load at the rear end. Thus the load of the transformers is reduced and a desired electricity condition can be maintained.

Abstract: A load-protection control circuit of a power supply, which applies to the power supply that has a maximum power-limiting function. The power supply includes a power transformation circuit which outputs a direct current to drive loads and a control circuit which can switch the power transformation circuit electrically coupled to a power-protection circuit that has a voltage representing reference power. The direct current voltage driving the load is compared with the voltage representing reference power by the power-protection circuit to output a protection signal to the control circuit for switching the power transformation circuit. The power-protection circuit and the control circuit are electrically connected to a switcher circuit connected to a switch, wherein the switch can switch the switcher circuit to be in open-circuit or close-circuit state in order to determine whether the protection signal is transmitted to the control circuit. Thereby, the objective of load-protection control is accomplished.

Abstract: At least one set of power transmission cable is electrically coupled to a power supply and an electronic device powered by the power supply. The power supply has a power output port. The power transmission cable comprises: a connector comprising a first connect part, a second connect part, and a third connect part vertical to the first connect part and utilized to insertedly joint to the electronic device; and an electrically-conductive line, which is electrically coupled to the second connect part and has an electric plug, wherein the first connect part is electrically coupled to the power output port of the power supply or separably and electrically coupled to the electric plug of the precedent electrically-conductive line to enable the user to determine the length and quantity of the power transmission cable to be connected according to the quantity of the electronic devices.

Abstract: A transmission line that is plugged and unplugged includes a wire and at least one socket connecting to one end of the wire. The socket is connected to an electronic device and coupled with a force applying member. The force applying member rams the electronic device when subject to a force to facilitate separation of the socket and the electronic device. The force applying member is hinged on the socket and is divided by the hinged location to form a force applying portion and a pressing portion. When the force applying portion receives the force, the pressing portion generates a counter force about the hinged location against the electronic device to make the socket to be removed from the electronic device.

Abstract: The present invention discloses a power connector meeting SATA and IDE standards, which has a SATA connect port and an IDE connect port respectively disposed on its both sides and contains multiple live-wire power terminals L and multiple ground-wire power terminals G, wherein the power terminals of the IDE connect port are arranged according to the sequence: L, G, G, L; the SATA connect port has at least the power terminals corresponding to the IDE connect port in potential, and the power terminal of the SATA connect port are arranged according to the sequence: L, G, L, G; the live-wire power terminal L, which has a non-equipotential opposite power terminal, may utilize a crooked and raised connection segment to cross over the other connection segments and to connect with another equipotential live-wire power terminal.

Abstract: The present invention discloses a modular power integrated board that includes a plurality of power pin holes on a power integrated board for outputting electric power and installs a plurality of first conductive connecting members, such that the power integrated board can perform an electric potential detection process, and users can install at least one second conductive connecting member electrically coupled to the first conductive connecting members based on the specification of the power cable of the power integrated board to constitute a modular design that adopts a power integrated board to fit the connection of power cables of different specifications.