Abstract: A keyboard equipped with switching interfaces includes a key set module, a circuit unit, a wired transmission interface, a wireless transmission interface and a switch unit. The key set module includes a plurality of keys depressible by users to trigger the circuit unit to generate a message signal. The circuit unit is electrically connected to the wired transmission interface and wireless transmission interface. The wired transmission interface is electrically connected to a transmission cable to output therethrough. The switch unit is electrically connected to the circuit unit and triggers the circuit unit to output the message signal to the wired transmission interface or wireless transmission interface according to user's actions.

Abstract: In a power circuit for reducing standby power consumption, a power supply is defined to include a primary power system and a stationary power system. The stationary power system outputs a stationary power after obtaining an input power. A control unit controls ON/OFF of the primary power system, obtains the stationary power as the required power, and receives a PS ON/OFF signal for triggering the control unit, so that the control unit controls the primary power system to supply a primary output power. The power supply includes a switch unit having two ends connected to a power circuit for outputting the stationary power and a virtual load respectively. The PS ON/OFF signal is provided for controlling the switch unit. If the switch unit does not receive the PS ON/OFF signal, it is OFF in a standby mode to avoid unnecessary power consumption of the virtual load.

Abstract: A thin illuminated keyboard comprises at least one keycap, an upper light guide plate and a lower light guide plate. The upper and lower light guide plates have respectively a first light guide layer and a second light guide layer opposing each other. The first and second light guide layers have respectively a first circuit layer and a second circuit layer laid on the opposing surfaces thereof. The first and second light guide layers also have respectively a first mask layer and a second reflection layer on the sides opposite to the first and second circuit layers to form an optical passage therebetween. The first mask layer has at least one light penetration zone receiving light from the optical passage. The light is transmitted and confined in the optical passage between the first and second light guide layers, and condensed to project to the keycap through the light penetration zone.

Abstract: A method of multi-target switch transmission through an externally connected Bluetooth selection device aims to switch at least one input module having a wired connection mode to connect with a first information device and a wireless connection mode to connect with one of at least two second information devices. The method of switch transmission includes the steps of: establishing device connection, setting multi-target devices, determining wired connection mode or wireless connection mode, and determining the second information devices to be connected under the wireless connection mode. Through the externally connected Bluetooth selection device the input module can be switched and usable on the first information device and second information devices at the same time, and also establish connection with the corresponding information device according to requirements.

Abstract: A transformer without coil racks includes a winding set, multiple conductive plates and an insulation mounting sheet. The winding set includes a coil portion and a magnetic core set running through the coil portion. The magnetic core set includes at least one inner magnetic core portion and at least two outer magnetic core portions that are spaced from each other by a gap. Each conductive plate includes a connecting section and two extended arms connected to two ends of the connecting section and running through the gap. The insulation mounting sheet includes multiple retaining slots corresponding to the gap to allow the extended arms to pass through and multiple retaining portions each being formed between two neighboring retaining slots to prevent the extended arms from contacting each other. The conductive plates run through the retaining slots and are confined by the retaining portions from moving.

Abstract: A local lighting keyboard includes a baseboard, a plurality of keycaps movable up and down against the baseboard, and a circuit board located between the baseboard and the keycaps that is depressible by the keycaps in the up and down movement to output corresponding signals. A mask is provided beneath the keycaps that has a light permeable zone and an impermeable zone, and at least one light source located below a lower surface of the mask. The light source emits light which is transmitted below the mask and passes through the permeable zone to project upwards outside the keyboard. Thus locations of the keycaps are easier to distinguish and keystroke accuracy improves.

Abstract: A power supply system providing backup power comprises at least one power supply, at least one power storage unit and a power integration panel. The power supply converts an input power into a conversion power and sends at the same time a power good signal to a motherboard. The power storage unit receives the conversion power in normal conditions and saves electric energy to generate a backup power. The power integration panel includes a power control unit connected to the power supply to determine whether the conversion power is output through the power good signal, a backup control unit connected to the power storage unit to compare the conversion power and backup power to determine whether the backup power is output, and a power regulation unit connected to the power control unit and backup control unit to regulate the conversion power or backup power to be an output power.

Abstract: An enhanced returning elasticity micro switch includes a base and a cap mounted thereon to form a housing compartment therebetween. The base is run through by a first pin and a second pin. The first pin has an anchor portion in the housing compartment to couple with a conductive member. The conductive member has a lower contact portion and swings when being pressed. The second pin has a first contact in the housing compartment. The first contact has an inclined surface connected to the lower contact portion during swing of the conductive member. The inclined surface is located at an elevation tapered towards the anchor portion. Hence the contact area between the conductive member and second pin increases, and adhesion force between the conductive member and second pin during power transmission decreases. Returning elasticity of the conductive member increases, and resistance against depression of the conductive member decreases.

Abstract: An enhanced withstand voltage micro switch includes a base and a cap covering the base. The cap has a press element movable up and down. The base has a conductive member depressed by the press element and a connecting section extended upwards. The base also includes a first contact, and a second contact extended from the connecting section and located above the first contact. The conductive member is swung during up and down movement of the press element to connect with the first or the second contact. The connecting section has an isolation portion jutting sideward between the first and second contacts to prevent generation of a conductive layer caused by connection of the conductive member with the first and second contacts on the connecting section. Thus secured insulation can be formed between the first and second contacts to withstand a higher voltage test.

Abstract: A remote controlled power supply system includes a data processing system and at least one power supply. The data processing system outputs a power source ON/OFF signal to drive the power supply to switch either in a working state or a sleeping state. The power supply includes a signal integration unit and a communication unit. The signal integration unit receives a working parameter of the power supply and outputs a first ON/OFF signal to drive the data processing system to output the power ON/OFF signal to switch the state of the power supply state. The communication unit is linked to the signal integration unit to receive the working parameter and output the working parameter to a communication network. The administrators can acquire the working parameter through a remote control equipment and control the power supply at the remote site.

Abstract: The present invention discloses a control method for generating varying colored lights in a keyboard and a self-luminous keyboard for realizing the same method. The control method comprises steps: establishing a driving signal table storing a plurality of backlight driving signals; setting the conditions for outputting the backlight driving signals respectively; detecting a keying signal generated by pressing a key; outputting the backlight driving signal corresponding to the keying signal to drive a backlight unit, or sequentially outputting the backlight driving signals according to the keying signal to drive a backlight unit. The self-luminous keyboard for realizing the same method comprises a memory unit storing the driving signal table and a microcontroller unit detecting the keying signals. The microcontroller unit sequentially outputs the backlight driving signals to drive the backlight unit, or outputs the backlight driving signal corresponding to the keying signal to drive the backlight unit.

Abstract: A multiple power supplies balance system includes a plurality of power supply circuits on a circuit board each having a power output route. Each power supply circuit includes a power supply feedback unit which has a reference level terminal to determine output potential of the power supply circuit. The circuit board also has an output route electrically connected to the power output route to converge current sending to a load. Thus the circuit board contains multiple sets of power supply circuits coupled in parallel. The circuit board also has a proportion distribution circuit to correct output variations of each power supply circuit. The proportion distribution circuit includes a variable impedance element which is electrically connected to the reference level terminals and controllable to proportionally change equivalent impedance connected to each reference level terminal, thus change proportionally output potential of each power supply circuit.

Abstract: A power supply with an integrated power system has a common transformer. After the power supply receives input power, the common transformer generates an induction power at the secondary side. The power supply further includes a standby power system receiving the induction power and outputting a standby power, an actuation switch with one end electrically bridging the common transformer and the standby power system, a primary power system connecting to the other end of the actuation switch, and a power management unit receives the standby power to be activated. The standby power system modulates and transforms the induction power to the standby power to start operation of the power management unit. Users can trigger the power management unit to output an enabling signal to conduct the actuation switch to be ON so that the primary power system can receive the induction power and transform to output the primary output power.

Abstract: An uniformly self-luminous keyboard device comprises a housing and a keyboard unit. The housing includes an upper casing and a lower casing, which can be assembled together. After the upper casing and the lower casing are assembled together, an accommodation space is formed therebetween. The upper casing has an opening interconnecting the accommodation space. The keyboard unit is arranged in the accommodation space and includes a plurality of press members passing through the opening and moved by a force to have a displacement, and a baseplate supporting the press members. A light conduction space is formed between the baseplate and the lower casing. A light emitting unit is arranged inside the light conduction space. The height of the light conduction space decreases with the distance to the light emitting unit, whereby light is uniformly distributed over the bottom of the keyboard unit. Thus is achieved the uniformly self-luminous keyboard device.

Abstract: A luminous keyboard comprises a housing, a keyboard and a light emitting portion. The keyboard and light emitting portion are held in the housing. The light emitting portion includes at least one housing trough and a lighting element held in the housing trough. The housing trough has at least one first recess portion and at least one second recess portion on the periphery. The first recess portion and second recess portion have respectively an inner wall formed a first curved surface and a second curved surface. The lighting element generates light projected to the first and second recess portions, and the light piercing through the first and second curved surfaces is transmitted towards the concave directions of the first and second recess portions. Thus the light advancing direction in the light emitting portion can be effectively controlled.

Abstract: A keyboard with illuminating architecture includes a keyboard portion and a substrate carrying the keyboard portion, wherein the keyboard portion includes a plurality of pressing elements for receiving a pressing force from the user and inter-dependent mechanisms respectively under a force receiving surface of each pressing element for providing a moving stroke of the pressing element following the force direction, and the substrate has an assembling portion for assembling with the other end of the inter-dependent mechanism. Moreover, the surface of the substrate has at least one light guiding groove, which forms a light channel for transmitting light, and at least one inner sidewall of the light guiding groove is a light reflecting surface, so that the light in the light guiding groove is reflected by the light reflecting surface to the keyboard portion, thereby providing the pressing elements the brightness, and reducing whole keyboard thickness and thinning.

Abstract: A slim self-luminous keyboard structure comprises a keyboard unit and luminous units. The keyboard unit has a press plane containing a plurality of press members, and a baseplate is arranged below the press plane and supporting the press members. The luminous units generate light, and the light is conducted to a luminous space defined by the press plane and the baseplate to make the luminous space have brightness sufficient to enable users to recognize the press members. The slim self-luminous keyboard structure does not use a backlight plate. Therefore, the present invention can reduce the thickness of a self-luminous keyboard and facilitate fabricating a slim self-luminous keyboard.

Abstract: A self-luminous keyboard with brightness-enhanced keycaps of the present invention comprises a baseplate, a substrate arranged above the baseplate, a plurality of keycaps coupled to the substrate and able to move up and down, a circuit board triggered by the contact of the keycap to output a signal, and a light emitting element. The substrate has a plurality of via-holes each corresponding to one keycap. There is a light transmission path from the light emitting element through the via-hole to the keycap. In each light transmission path, there is a light concentration member, and the light emitted by the light emitting element is concentrated by the light concentration member and then transmitted to the keycap. Thereby, the brightness of the keycaps is enhanced to be higher than the brightness of the gap between the adjacent keycaps, and the recognizability thereof is promoted.

Abstract: A multi-voltage power supply includes a transformer connecting to an AC power source to regulate voltage and deliver voltage-transformed electric power, a rectification output circuit connecting to the transformer to rectify the voltage-transformed electric power and output first DC power, and at least one voltage regulation circuit to receive the first DC power from a first DC power output line and regulate to become second DC power. The first DC power on the first DC power output line reaches a first potential after a voltage boosting period. The rectification output circuit has a rear end installing a hysteresis unit which adds a delay time in the voltage boosting period to defer the time of the first DC power reaching the first potential. Thereby the time difference between delivering DC power output of the first DC power and the second DC power can be regulated to avoid abnormal start of computers.

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.