Abstract: A power supply module with enhanced heat dissipation effect includes a rack including an opening and an accommodating room connected to the opening, as well as at least one power supply including a fitting section inserted from the opening while positioned within the accommodating room, and a heat dissipation section extending toward the outside of the opening from the opening, in which the power supply is formed in the heat dissipation section with a plurality of heat dissipation holes, in such a way that air is capable of entering the power supply from an output end to form heat convection together with the dissipation holes, so as to form a heat dissipation effect with respect to the power supply.

Abstract: A power supply for a redundant power system includes a housing, a first circuit board, a second circuit board and a cooling fan. The first and second circuit boards are sequentially disposed in the housing. The length of the first circuit board is smaller than that of the second circuit board. Between the first and second circuit boards is a gap. The first and second circuit boards are each distributed with multiple electronic elements, and are connected by at least one electrical connecting line. The electronic elements form a power supply circuit, in which a bridge rectification module is disposed on the first circuit board and close to the gap. The cooling fan is at least connected to the first circuit board and a second circuit board to locate in the gap, and directly provides the bridge rectification module with a first cooling air current when activated.

Abstract: A waterproof piezoelectric ceramic speaker includes 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 headphone wireless expansion device for switching among multiple targets is connected to an information device to receive audio data which is then transmitted to a headphone for playing. The headphone wireless expansion device includes multi-target connection data and an audio control mechanism. The multi-target connection data includes a plurality of device identification codes, a plurality of device authorization codes corresponding to a plurality of information devices respectively, and a plurality of audio tags corresponding to the device identification codes and the device authorization codes respectively. The audio control mechanism searches the audio tag having audio features same as that of the unrecognized audio signal, and reads the corresponding device identification code and device authorization code.

Abstract: A thin keyboard depressing structure includes a circuit board and a frame. The circuit board includes a plurality of trigger portions each can be triggered to generate a keyboard signal. The frame is stacked over the circuit board and forms an outer frame, a plurality of inner frames and a plurality of keycaps in an integrated manner. The outer frame has a plurality of holding zones corresponding to the trigger portions. Each keycap is held in one holding zone corresponding to one trigger portion. The outer frame and the keycap are bridged by one inner frame. Each inner frame has at least two first connecting portions connected to the outer frame and at least two second connecting portions connected to the keycap. Each first connecting portion and each second connecting portion are bridged by a support portion.

Abstract: A thin keyboard command trigger structure includes a circuit board and a frame. The frame is stacked over the circuit board and formed an outer frame, a plurality of inner frames and a plurality of keycaps in an integrated manner. The outer frame has a plurality of holding zones. Each keycap is held in one of the holding zones. The outer frame and the keycap are bridged by one inner frame. Each inner frame has at least two first connecting portions connected to the outer frame and at least two second connecting portions connected to the keycap. Each first connecting portion and each second connecting portion are bridged by a support portion which has a bend spot and can generate deformation when the keycap is moved to the trigger portion. The support portion at the second connecting portion is at an elevation higher than the first connecting portion.

Abstract: A support rack for a wireless electronic device is installed on a keyboard and integrally fabricated from a plastic sheet. The support rack includes a positioning segment, a bearing segment and a support segment. The positioning segment includes a holding zone to hold a wireless electronic device. The bearing segment is connected to one side of the positioning segment opposite to the keyboard and includes at least one retaining portion. The support segment includes a leaning section connected to the positioning segment via a first bend portion, and a holding section connected to the leaning section via a second bend portion to couple with the retaining portion. The first bend portion is formed at a thickness smaller than that of the leaning section and the positioning segment, and the second bend portion is formed at a thickness smaller than that of the leaning section and the bracket section.

Abstract: A support rack for a wireless electronic device is installed on a keyboard through which keying commands are input, and is integrally fabricated from a plastic sheet. The support rack includes a positioning segment, a bearing segment and a support segment. The positioning segment is connected to the keyboard and includes a holding zone to hold a wireless electronic device. The bearing segment is connected to one side of the positioning segment opposite to the keyboard and includes at least one retaining portion. The support segment includes a leaning section which is connected to the side of the positioning segment opposite to the keyboard via a first folding notch, and a holding section which is connected to the leaning section via a second folding notch and coupled with the retaining portion to support for the support rack.

Abstract: A multi-instruction switch for enhancing electrical insulation is provided. The multi-instruction switch includes a housing, a common pin and a switching pin set. The housing comprises an accommodating space which includes a conductive elastic plate moving back-and-forth and a support rack therein. The conductive elastic plate includes a normal connection section and a switching connection section. The support rack includes a limiting track. The common pin is normally in electrical contact with the normal connection section in the housing. The switching pin set includes a first pin having a contact section and a second pin having a trigger section. The limiting track includes a first insulation plate, a second insulation plate, and an insulation space between the first and second insulation plates. As such, the present invention enhances the insulation effect by the first and second insulation plates and the insulation space located at the limiting track.

Abstract: A headphone wireless expansion device for switching among multiple targets is connected to an information device to receive audio data which is then transmitted to a headphone for playing. The headphone wireless expansion device includes multi-target connection data and an audio control mechanism. The multi-target connection data includes a plurality of device identification codes, a plurality of device authorization codes corresponding to a plurality of information devices respectively, and a plurality of audio tags corresponding to the device identification codes and the device authorization codes respectively. The audio control mechanism searches the audio tag having audio features same as that of the unrecognized audio signal, and reads the corresponding device identification code and device authorization code.

Abstract: A display method for distinguishing multiple linking target aims to switch data transmission link between an input device and at least two information processing systems through a plurality of transmission channels in a wireless transmission fashion. The input device includes a display module with a first display zone and a second display zone. The display method comprises steps of: detecting linkable information processing systems, setting transmission channels, determining a linking target and displaying information of linked transmission channel. Through the steps of detecting linkable information processing systems, setting transmission channels and determining a linking target, a data transmission link can be established with one of the information processing systems. Users can further display the device identification code through the step of displaying information of linked transmission channel to be informed of the information processing system currently linked to the input device.

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 multi-instruction switch for enhancing electrical insulation is provided. The multi-instruction switch includes a housing, a common pin and a switching pin set. The housing comprises an accommodating space which includes a conductive elastic plate moving back-and-forth and a support rack therein. The conductive elastic plate includes a normal connection section and a switching connection section. The support rack includes a limiting track. The common pin is normally in electrical contact with the normal connection section in the housing. The switching pin set includes a first pin having a contact section and a second pin having a trigger section. The limiting track includes a first insulation plate, a second insulation plate, and an insulation space between the first and second insulation plates. As such, the present invention enhances the insulation effect by the first and second insulation plates and the insulation space located at the limiting track.

Abstract: A display method for distinguishing multiple linking target aims to switch data transmission link between an input device and at least two information processing systems through a plurality of transmission channels in a wireless transmission fashion. The input device includes a display module with a first display zone and a second display zone. The display method comprises steps of: detecting linkable information processing systems, setting transmission channels, determining a linking target and displaying information of linked transmission channel. Through the steps of detecting linkable information processing systems, setting transmission channels and determining a linking target, a data transmission link can be established with one of the information processing systems. Users can further display the device identification code through the step of displaying information of linked transmission channel to be informed of the information processing system currently linked to the input device.

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 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: 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.