Abstract: An illuminated keycap for generating soft light is located in a keyboard which includes a command circuit board located beneath the keycap and a lighting unit to project light to the keycap. The keycap includes a press surface, a connecting section extended from the press surface towards the command circuit board and a color display surface extended from the connecting section and parallel to the press surface. The press surface, connecting section and color display surface form a light retaining zone. The press surface has a top surface coated with a first pigment layer. The color display surface has a bottom surface coated with a second pigment layer whose color is different from the first pigment layer. The first and second pigment layers form a mixed color so that light generated by the lighting unit to enter the light retaining zone is emitted softly through the connecting section.

Abstract: A thin keyboard structure includes a circuit board and a keycap assembly board located on the circuit board. The circuit board has a plurality of command portions to receive contact and generate command signals. The keycap assembly board has a frame with a plurality of press zones corresponding to the command portions. Each press zone has at least one press portion corresponding to one command portion and depressible to move towards the command portion. Each press zone also has a deformation portion centered on the press portion and coiled and extended continuously from the press portion towards the frame at a preset interval to provide deformation and return force for the press portion during movement towards the command portion. The press portion and deformation portion replace the driven mechanism used in the conventional keyboard, hence total thickness of the keyboard can be reduced to make the keyboard thinner.

Abstract: A command generation structure for thin keyboards includes a circuit board and a frame stacked over the circuit board. The circuit board has a plurality of keyboard command portions to receive contact to generate command signals. The frame includes a plurality of housing zones corresponding to the keyboard command portions, at least two connection arms extended from any two diagonal corner positions of each housing zone towards the keyboard command portion, and at least one press member connected to the connection arms and depressible to contact the keyboard command portion. Each connection arm has at least one first connecting section connected to one corner position, at least one second connecting section connected to the press member, and an elastic section which bridges the first connecting section and second connecting section and has at least one stress bend spot.

Abstract: A power supply for prolonging a hold-up time includes a main power supply system, and a hold-up power supply system connected in parallel to a power factor correction unit in the main power supply system. The hold-up power supply system includes an isolation transformer element connected to the power factor correction unit for receiving and transforming a first power to a third power, a power storage element for receiving the third power and storing as a hold-up power, and a power comparison unit connected between the power factor correction unit and the power storage element. The power comparison unit compares a second power generated from phase modulation performed by the power factor correction unit and the hold-up power, and outputs the hold-up power when the second power is smaller than the hold-up power, so as to sustain the power modulation unit to continue operating for a hold-up time.

Abstract: A micro-switch provided labor-saving switching comprises a housing, a press member located on the housing, an actuation member located in the housing and a driving assembly located between the press member and actuation member. The press member is depressed to move reciprocally in the housing in a displacement. The driving member includes a force-bearing member hinged swivelably on the housing and at least one transmission member swivelable inversely against the force-bearing member. The force-bearing member includes a force-receiving portion in the displacement and an actuating portion connected to the force-receiving portion. The at least one transmission member includes a driven portion driven by the actuating portion and a force-applying portion connected to the driven portion. The driving assembly drives the actuation member through a lever principle to switch between a first conductive state and a second conductive state.

Abstract: A power supply capable of increasing the lifespan of battery modules controls the duty state of a main power supply system through a state switch control module. The state switch control module includes a power supply switch unit and a state switch unit. The power supply switch unit has a first power supply state in which the state switch unit outputs a first signal to allow the main power supply system to output a first power to charge a battery module, and a second power supply state in which the state switch unit outputs a second signal to allow the main power supply system to stop outputting the first power, and the battery module outputs the second power when the first electric potential of the first power is lower than the second electric potential of the second power.

Abstract: An illuminated keycap for generating soft light is located in a keyboard which includes a command circuit board located beneath the keycap and a lighting unit to project light to the keycap. The keycap includes a press surface, a connecting section extended from the press surface towards the command circuit board and a color display surface extended from the connecting section and parallel to the press surface. The press surface, connecting section and color display surface form a light retaining zone. The press surface has a top surface coated with a first pigment layer. The color display surface has a bottom surface coated with a second pigment layer whose color is different from the first pigment layer. The first and second pigment layers form a mixed color so that light generated by the lighting unit to enter the light retaining zone is emitted softly through the connecting section.

Abstract: A transformer comprises a circuit board, an iron core, a winding set and a plurality of magnetic conduction elements. The circuit board has a plurality of electric conduction holes connected via at least one power connection wire. The iron core is located on the circuit board and has a first winding section and a second winding section. The winding set is wound on the first winding section. Each magnetic conduction element has a connecting section located on the iron core and an input section and an output section inserted into the electric conduction holes. The output section of one magnetic conduction element is connected to the input section of another magnetic conduction element through the power connection wire, thereby the magnetic conduction elements and power connection wire form a magnetic conduction winding set which generates magnetic coupling with the winding set through the iron core.

Abstract: A keyboard equipped with illuminated keycaps mainly includes a keyboard portion and a plurality of lighting units. The keyboard portion includes a circuit board with a plurality of keyboard command portions, a plurality of keycaps respectively corresponding to the keyboard command portions and a plurality of elastic support members located between the circuit board and keycaps are depressed by the keycaps to trigger the keyboard command portions. The keycaps and elastic support members form a light emitting zone. The lighting units correspond respectively to each of the keycaps. Each of the lighting units includes a light emitting chip located on the circuit board, a package layer covering the light emitting chip and a light mask layer locally disposed on the package layer to mask light from the light emitting chip towards the abutting keycap such that the light is confined to generate illumination merely in the light emitting zone.

Abstract: A simple assembly thin keyboard includes at least one circuit board and a plurality of keycap assembly located on the circuit board and movable vertically to press the circuit board to generate keyboard command signals. The keycap assembly includes a plurality of first keycaps and second keycaps. Each first keycap abuts at least one second keycaps. The abutting first keycaps and second keycaps are interposed by a plurality of connection arms. Each connection arm includes at least one first connecting section connecting to the first keycap, at least one second connecting section connecting to the second keycap and an elastic section which bridges the first connecting section and second connecting section and contains at least one stress reversion spot. Through the connection arm bridged the first and second keycaps to substitute the conventional driven mechanism total thickness of the keyboard can be reduced, and assembly also is simpler.

Abstract: A thin keyboard includes a circuit board, a plurality of keycaps and a frame. The circuit board has a plurality of command portions to receive contact to generate command signals and a plurality of elastic support members located on the command portions. Each keycap is corresponding to one elastic support member and has at least one depressible press surface and a holding surface formed at an elevation difference interval with the press surface. The transverse cross section of the holding surface is greater than the transverse cross section of the press surface. The frame is positioned corresponding to the keycaps and has a plurality of installation portions corresponding to the keycaps, and a plurality of ribs abutting the circumference of the installation portions and overlapped over the holding surface of each keycap. Each installation portion has a carved out area which is smaller than the holding surface.

Abstract: A locally illuminated keycap is located in a keyboard. The keyboard includes a lighting unit to project light to the keycap. The keycap includes at least one top edge to form an opaque press surface, at least one bottom edge located below the press surface to form a light incident surface to receive light, and at least one transparent light emitting surface connecting to the top edge and bottom edge to emit light. The press surface and light emitting surface form an inclined angle between them greater than 90 degrees. The press surface, light incident surface and light emitting surface jointly form a light retaining zone. Light generated by the lighting unit projects to the light incident surface and enters the light retaining zone, and is masked by the opaque press surface to emit locally through the transparent light emitting surface.

Abstract: An illuminated keyboard equipped with light emitting keycaps includes a keyboard portion and a light emitting portion. The keyboard portion includes at least one circuit board contained a plurality of keyboard command portions and a plurality of press members located above the circuit board corresponding to the keyboard command portions that are depressible to trigger the keyboard command portions. Each press member has a press surface, a holding surface and a coupling surface interposed between the press surface and holding surface. The press surface and circuit board form a light projection zone therebetween. The light emitting portion includes a lighting unit to provide light to the light projection zone and a light mask plate. The light mask plate has an aperture to expose the press surface and a light mask portion overlapped over the holding surface.

Abstract: A Bluetooth mouse for fast switching linking objects comprises a signal processing circuit triggered by a key unit to generate a control signal according to a displacement amount of the mouse. The signal processing circuit is electrically connected with a Bluetooth transmission device. The mouse has a pairing information memory storing pairing codes for establishing data transmission linkages between the Bluetooth transmission device and at least one information processing systems. The key unit is programmed one key or a combination of the keys to trigger the signal processing circuit to generate an object-switching signal. The object-switching signal drives the Bluetooth transmission device to access one pairing code from the pairing information memory according to the displacement amount of the mouse, and establishes a data transmission linkage with one information processing system corresponding to the pairing code.

Abstract: A waterproof piezoelectric ceramic speaker comprises a ceramic composite and a vibration membrane. The ceramic composite includes a ceramic plate and a driving electrode assembly arranged on the ceramic plate and supplying a driving voltage to the ceramic plate to generate vibration for the ceramic plate. The vibration membrane includes a first vibration layer and a second vibration layer respectively adhered to two opposite surfaces of the ceramic composite. The first vibration layer and the second vibration layer respectively have a resonance member adhered to the ceramic plate and resonating with the ceramic plate synchronously, a waterproof member connecting with the resonance member to seal the driving electrode assembly, and a bonding member extending from a perimeter of the resonance member to seal the resonance member.

Abstract: A transformer comprises a circuit board, an iron core, a winding set and a plurality of magnetic conduction elements. The circuit board has a plurality of electric conduction holes connected via at least one power connection wire. The iron core is located on the circuit board and has a first winding section and a second winding section. The winding set is wound on the first winding section. Each magnetic conduction element has a connecting section located on the iron core and an input section and an output section inserted into the electric conduction holes. The output section of one magnetic conduction element is connected to the input section of another magnetic conduction element through the power connection wire, thereby the magnetic conduction elements and power connection wire form a magnetic conduction winding set which generates magnetic coupling with the winding set through the iron core.

Abstract: A labor-saving micro-switch comprises a housing, a press member located on the housing, an actuation member located in the housing and a driven member located between the press member and actuation member. The press member is depressible to move reciprocally in a displacement inside the housing. The driven member includes a pivotal portion hinged on the housing in a swivelable manner, a force-receiving portion opposite to the pivotal portion in the displacement and a force-applying portion driven by the force-receiving portion and movable about the pivotal portion serving as a fulcrum to press the actuation member. The driven member drives the actuation member to switch between a first conductive state and a second conductive state through a lever principle. The micro-switch thus formed can achieve higher sensitivity and reduce production cost.

Abstract: Method and module for judging status alterations of power supplies that are caused by changes of external power sources are provided. Through comparing first, second and third comparison voltages with a stabilized voltage of a voltage stabilization and energy storage element in a power factor correction unit, the status of the power supply can be judged, and an external power supply abnormal signal, a power supply abnormal signal or a power failure alert signal can be generated according to the status to allow a motherboard to perform loading regulation. The power failure alert signal is used to timely stop operation of the power supply, hence can resolve the problems of the conventional techniques such as delay notification, inaccurate judgment or complex composition of judgment circuit.

Abstract: A remote-controlled computer system includes a computer system electrically linked to a remote control device. The remote control device receives a manual operation to generate a manual trigger signal sent to the computer system. The computer system includes a motherboard, a power supply and a status control unit. The motherboard receives continuously the manual trigger signal and sends a power ON/OFF signal to start or stop the power supply. The power supply provides electric power to the motherboard for booting and a power activating signal to the motherboard. The status control unit is electrically connected to the motherboard, power supply and remote control device. The status control unit receives the manual trigger signal from the remote control device and transmits to the motherboard. The status control unit also detects absence of the power activating signal output from the power supply and stops sending the manual trigger signal.

Abstract: A power supply structure of a multi-power-supply system which is electrically connected to at least one power supply to get an output power provided by the power supply. The multi-power-supply system includes a power integration back panel and a casing. The power integration back panel is electrically connected to a DC output port and has at least one output cord to receive the power provided by the power supply. The casing has a housing compartment to hold the power integration back panel, an opening for loading the power supply into the housing compartment, and at least one partition to divide the housing compartment to form a space to hold the power supply, a wiring space threaded through by the output cord, and a power supply port exposed outside the surface of the casing to electrically connect to the output cord.