Abstract: A standard receptacle connector has an insulating housing, multiple first terminals, multiple second terminals, a plug detecting terminal and a shell. The first and second terminals and the plug detecting terminal are mounted on the insulating housing. The shell covers the insulating housing and all of the terminals. The plug detecting terminal is capable of being connected to a controlling circuit incorporated in a PCB on which the standard receptacle connector is mounted and selectively activates the controlling circuit to provide power to an external plug connector that is inserted in and connected to the standard receptacle connector.

Abstract: A standard receptacle connector has an insulating housing, multiple first terminals, multiple second terminals, a plug detecting terminal and a shell. The first and second terminals and the plug detecting terminal are mounted on the insulating housing. The shell covers the insulating housing and all of the terminals. The plug detecting terminal is capable of being connected to a controlling circuit incorporated in a PCB on which the standard receptacle connector is mounted and selectively activates the controlling circuit to provide power to an external plug connector that is inserted in and connected to the standard receptacle connector.

Abstract: A male connector has an insulating housing, multiple signal terminals, and multiple grounding modules. The signal terminals are mounted through the insulating housing. The grounding terminal modules are mounted through the insulating housing. Each grounding terminal module is integrally formed into one piece and has multiple grounding terminals. Adjacent grounding terminals are connected integrally to each other so that the grounding terminals of each grounding terminal module are arranged in a line. The integrally formed ground terminal modules reduce a total tolerance of the grounding terminals and increase the production rate of the male connector.

Abstract: The present invention is a light emitting diode lamp structure, which comprises a heat dissipating plane, a light emitting housing and a base. The light emitting housing further comprises a casing and a first hollow region. The heat dissipating plane is partly covered by the casing and the rest of the heat dissipating plane is shown in the first hollow region. The part of the heat dissipating plane covered by the casing further includes a plurality of LEDs. The base is mounted with the light emitting housing and electrically engaged with the LEDs.

Abstract: A driving circuit for light emitting elements comprises a rectifying unit, a first constant current unit, a first driving transistor, a first voltage control unit and at least one first light emitting element. The rectifying unit has a first terminal and a second terminal, is connected to an external power source that provides alternating current power that is sinusoidal and has alternating negative and positive segments, inverts the negative segments of the AC power to positive segments and forms a pulsating direct current voltage. The first constant current unit has a first end and a second end. The first driving transistor comprises a first gate, a first drain and a first source. The first voltage control unit comprises a first variable resistor and a first bias control element. The first light emitting element has a first end and a second end.

Abstract: A multi-curvature antenna comprises a radiation conductor and a support element. The outer rim of the radiation conductor is fabricated into an outer ring having an arc-shape surface, and the arc-shape surface has a notch. The central portion of the radiation conductor is patterned to form a conduction path. The support element carries the radiation conductor. A method for fabricating a multi-curvature antenna comprises providing a plane metallic sheet; pressing or stamping the metallic sheet to form a radiation conductor having an outer ring with an arc-shape surface; pattering the central portion of the radiation conductor into a predetermined conduction path and punching the outer ring to form a connection member; and cutting off the connection member to complete a multi-curvature antenna.

Abstract: The invention provides a light emitting device driving circuit, comprising a rectification unit, a current limiting unit and a load. The load comprises a first light emitting device, a reverse voltage providing unit and a second light emitting device connected in serial. When the rectification unit rectifies an alternate current voltage to output a direct current voltage, and the current limiting unit limits the direct current in a predetermined value, the direct current is provided to the first light emitting device or the second light emitting device for operation. The reverse voltage providing unit provides a reverse voltage to reduce the total operating voltage of the light emitting devices in order to enhance the driving efficiency and the power factor.

Abstract: A standard receptacle connector has an insulating housing, multiple first terminals, multiple second terminals, a plug detecting terminal and a shell. The first and second terminals and the plug detecting terminal are mounted on the insulating housing. The shell covers the insulating housing and all of the terminals. The plug detecting terminal is capable of being connected to a controlling circuit incorporated in a PCB on which the standard receptacle connector is mounted and selectively activates the controlling circuit to provide power to an external plug connector that is inserted in and connected to the standard receptacle connector.

Abstract: An optical fiber connector in accordance with the present invention prevents its components from being assembled incorrectly and comprises a distal housing, a core tube, an extension tube, a spring, a proximal housing and an end tube. The distal housing has a slot. The core tube is mounted longitudinally in the distal housing and has a distal tube and a proximal tube. The extension tube is mounted around and connected to the proximal tube. The spring is mounted around the proximal tube of the core tube and the extension tube. The proximal housing is connected to the distal housing and mounted around the core tube, the extension tube and the spring and has an assembly protrusion that is mounted slidably in the slot to prevent the proximal housing from being connected to the distal housing incorrectly.

Abstract: A backplane connector has a housing and multiple terminal assemblies. The housing has a top, a bottom and an expansion slot defined in the top. The terminal assemblies are mounted in the bottom of the housing and each terminal assembly has a first insulating base, a second insulating base and two pairs of signal transmission terminals. The first and second insulating bases are connected to each other. The pairs of the signal transmission terminals are mounted respectively through the first and second insulating bases. Each signal transmission terminal has a curved guide element and an angled protruding element. The curved guiding elements smoothly contacts and guides an electrical connecting portion of a PCB expansion card to move so that the PCB expansion card is installed easily in the expansion slot of the backplane connector.

Abstract: A carrier structure for mounting at least an LED chip includes at least a lead and a base. The LED chip housed inside the base is coupled parallel with an electronic element. The lead is connected electrically to the LED chip at one end, while another end is exposed to the atmosphere. The base encaving the lead further has a shallow accommodation room to mount the electronic element at a surface not the same with the surface that mounts the LED chip.

Abstract: An LED (Light Emitting Diode) module includes a base seat and a plurality of LEDs. The base seat includes a planar portion having a planar external surface and a straight portion connected interactively to the planar portion, and having a straight external surface. The plurality of LEDs includes a first LED mounted on the planar external surface of the planar portion to emit light rays in the facing in a vertical direction and a second LED mounted on the straight external surface of the straight portion to emit light rays in the horizontal direction.

Abstract: The LED driver of the present invention comprises multiple LED arrays, at least one dividing diode, a power module, a driving module, at least one switch pair and a voltage sensing module. Each LED array comprises multiple LEDs connected in series. The dividing diode is mounted between adjacent LED arrays. The power module is connected to an external power source and forms a pulsating direct current (DC) voltage. The driving module receives the pulsating DC voltage outputs a constant current to the LED arrays. The voltage sensing module closes and opens the switch pairs that changes electrical configuration of the LED arrays. The LED driving method of the present invention comprises setting multiple voltage drops and at least one reference voltage; sensing an incoming voltage to compare with the reference voltage; and changing ways of connections of LED arrays based on the reference voltage and the incoming voltage.

Abstract: A high frequency receptacle connector has an insulating housing, multiple first terminals, multiple second terminals, a shell and a plug detecting assembly. The first and second terminals are mounted on the insulating housing and capable of implementing USB3.0 protocol. The shell covers the insulating housing and terminals. The plug detecting assembly has a first detecting terminal and a second detecting terminal. The first detecting terminal is mounted on the insulating housing. The second detecting terminal is mounted on the insulating housing and selectively bends to contact or isolate from the first detecting terminal. The high frequency receptacle connector is capable of providing electric power under a power-saving mode of a PCB on which the high frequency receptacle connector is mounted.

Abstract: A high frequency socket connector has an insulating housing, a mounting bracket, multiple first terminals, multiple second terminals and a shell. The first and second terminals are mounted in the insulating housing, are capable of implementing USB 3.0 protocol. The shell covers the insulating housing and terminals. Each of the terminals has a SMT soldering section adapted to SMT soldering processes. All the SMT soldering sections are arranged in a transverse row to make the socket connector compact.

Abstract: An optical fiber connector adapter has a housing, a front sleeve holder, a rear sleeve holder, a sleeve and detachable positioning member. The housing has a cavity, two limiting protrusions and two positioning slots. The cavity and positioning slots are defined in the housing. The limiting protrusions are formed in the cavity. The front and sleeve holders are mounted in the cavity and each has a tube and a mount abutting the limiting protrusions. The sleeve is mounted in the tubes. The detachable positioning member is mounted on the housing and has two stoppers extending respectively the positioning slots to make the mounts clamped between the limiting protrusions and the stoppers. The optical fiber connector adapter with the detachable positioning member may be detached easily to facilitate rework.

Abstract: A backplane connector has a housing and multiple terminal assemblies. The housing has a top, a bottom and an expansion slot defined in the top. The terminal assemblies are mounted in the bottom of the housing and each terminal assembly has a first insulating base, a second insulating base and two pairs of signal transmission terminals. The first and second insulating bases are connected to each other. The pairs of the signal transmission terminals are mounted respectively through the first and second insulating bases. Each signal transmission terminal has a curved guide element and an angled protruding element. The curved guiding elements smoothly contacts and guides an electrical connecting portion of a PCB expansion card to move so that the PCB expansion card is installed easily in the expansion slot of the backplane connector.

Abstract: An optical fiber connector in accordance with the present invention prevents moisture from entering the optical fiber connector and comprises a core tube, a tightening assembly, a connecting ring, a water-resistant ring, a compressing tube, a water-resistant tube and an end tube. The tightening assembly is mounted tightly on the core tube and comprises a first tightening component and a second tightening component. The connecting ring is mounted on the second tightening component. The annular gasket is mounted on the first tightening component and in the connecting ring. The compressing tube is mounted on the second tightening component. The water-resistant tube is mounted on the compressing tube and the second tightening component. The end tube is mounted on the water-resistant tube.

Abstract: A receptacle connector for a cable has an insulating housing, multiple first terminals, multiple second terminals and a shell. The first terminals are mounted on the insulating housing and each first terminal has a first soldering cup formed on the first terminal and extending backward out of the insulating housing. The second terminals are mounted on the insulating housing, are capable of cooperating with the first terminals to implement USB 3.0 protocol and each second terminal has a second soldering cup formed on the second terminal and extending backward out of the rear end of the insulating housing. The shell covers the insulating housing, the first terminals and the second terminals. The receptacle connector may be mounted one end of the cable so that cable is used for high speed data transmission between different electronic devices.