Abstract: An integrated multi-band antenna comprises a first conductor, a second conductor, at least one inductor member, an extension conductor, and a grounding plane. The first conductor and a first branch of the second conductor form a first coupling region. The inductor member is arranged near the first branch. The extension conductor is arranged near a second branch of the second conductor and extends therefrom to form a terminal. The terminal and first conductor form a second coupling region. The first and second coupling regions are arranged on opposite sides of the first conductor. The second branch connects to the grounding plane. The present invention adopts a design incorporating the capacitive coupling of the conductors and the choke of the inductor member, integrates the standard frequency bands of the low-frequency and high-frequency systems of the digital TV to achieve a miniaturized digital TV antenna spanning a wide range of frequency bands.

Abstract: An electrical connector has an insulative housing, a plurality of terminals and a metal shell. The terminals are mounted through the insulative housing and each terminal has a mounting section, a contacting section and a soldering section. The soldering sections of all the terminals are arranged in triangular patterns. Each soldering section is located in a tip of one triangular pattern. Distances between one soldering section and adjacent soldering sections are substantially identical. The triangular patterns of the soldering section stabilize the impedance of the operating electrical connector. Therefore, the electrical connector is stable and reliable.

Abstract: A high-speed plug connector has an insulating housing, a mounting bracket, multiple first terminals, multiple second terminals and a shell. The first terminals are mounted on the insulating housing. The second terminals are mounted on the mounting bracket. Each terminal has a mounting section, a soldering section and a contacting section. The soldering sections are arranged in a transverse row instead of two rows to make the high-speed plug connector compact and reduce mounting surface areas of a PCB on which the soldering sections is soldered.

Abstract: A high-speed plug connector has an insulating housing, a mounting bracket, multiple first terminals, multiple second terminals and a shell. The first terminals are mounted on the insulating housing. The second terminals are mounted on the mounting bracket. Each terminal has a mounting section, a soldering section and a contacting section. The soldering sections are arranged in a transverse row instead of two rows to make the high-speed plug connector compact and reduce mounting surface areas of a PCB on which the soldering sections is soldered.

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: An antenna formed inside a film comprises a thin film, a radiation conductor, a supporter, a conductive paste and at least one contact terminal. The radiation conductor is arranged on the thin film. The supporter is arranged on the radiation conductor with at least one trench formed thereon. The contact terminal has a recession with a hole. The recession is inserted into the trench. The conductive paste is injected into the trench via the hole to have such a thickness that the top of the conductive paste exactly contacts the bottom of the recession. The present invention is characterized in that a conductive paste is used as a conduction medium and a buffer between the contact terminal and the radiation conductor. Thereby, the present invention can overcome the conventional problem that the radiation conductor and thin film are likely to be damaged in the fabrication process.

Abstract: A RF coaxial connector has an insulative housing, an internal terminal and an external terminal. The insulative housing has a cavity. The internal terminal is mounted in the cavity and has a mounting section, two resilient arms protruding from the mounting section, a free section formed between the resilient arms and a contacting section protruding from the free section. The external terminal is mounted on the insulative housing. The internal terminal provides sufficient resistance force against a pin conductor of a corresponding connector engaged with the RF coaxial connector for stable signal transmission.

Abstract: An electrical connector has an insulative housing, a plurality of first terminals, a plurality of second terminals and a terminal shield. The first and second terminals are mounted in the insulative housing and each terminal has a soldering segment. The terminal shield substantially shields the soldering segments of the second terminals and prevents electromagnetic interference so that transmitting high frequency signals on the second terminals is stable.

Abstract: A constant current device in accordance with the present invention is connected to an external voltage source and comprises an input unit, a driving transistor and a voltage control unit. The input unit is connected to the external voltage source. The driving transistor is used to output constant current. The voltage control unit makes the driving output constant current and comprises at least one resistor and a semiconductor load, and has a resistor voltage, the resistor comprising an input and an output.

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 light-emitting diode (LED) package including a carrier, a pair of conductive wire units, an LED chip, and a control circuit module is provided. The carrier has a carrying portion and a ring frame connected to the periphery of the carrying portion. The carrying portion has a dome-like upper surface and a pair of through holes. The pair of conductive wire units is disposed inside the through holes respectively, and each of the conductive wire units has a conductive wire and an insulating material encapsulating the conductive wire. The LED chip is disposed on the upper surface of the carrier and is electrically connected to the conductive wires. The control circuit module is disposed at a bottom of the carrier and is electrically connected to the conductive wires for controlling the operation of the LED chip.

Abstract: An antenna array comprises a plurality of radiation conductors, a first transmission network and a second transmission network. The radiation conductors are arranged symmetrically. Each radiation conductor has a first lateral and a second lateral. The first laterals are extended to delineate a first transmission network area. The second laterals are extended to delineate a second transmission network area. The first transmission network is arranged in the first transmission network area and has a first feeder point. The feed arms of the first transmission network are connected to the first laterals of the radiation conductors. The second transmission network is arranged in the second transmission network area and has a second feeder point. The feed arms of the second transmission network are connected to the second laterals of the radiation conductors.

Abstract: An antenna array comprises a substrate, radiation conductors, a first transmission network, a second transmission network, support members and a grounding plane. The radiation conductors are symmetrically arranged on the substrate. The first transmission network has a first feeder point and feed arms connected to the radiation conductors, wherein each feed arm of the first transmission network and the radiation conductor connected to the feed arm include an angle of 80-100 degrees. The second transmission network has a second feeder point and feed arms connected to the radiation conductors, wherein each feed arm of the second transmission network and the radiation conductor connected to the feed arm include an angle of 80-100 degrees. The radiation conductors, the first transmission network and the second transmission network are all disposed on an identical surface of the substrate. The support members are used to support the substrate and assembled to the grounding plane.

Abstract: A vertical socket connector has an insulating housing, an insulating bracket, multiple first terminals, multiple second terminals and a shell. The insulating bracket is mounted on the insulating housing. The first terminals are mounted on the insulating housing. The second terminals are mounted on the insulating bracket. The shell covers the insulating housing, insulating bracket and terminals and forms a socket hole. Soldering sections of the first and second terminals protrude horizontally backward through rears of the insulating housing and insulating bracket so that the vertical socket connector is mounted vertically on a PCB with the socket hole opposite to the PCB.

Abstract: A socket connector has an insulative housing, multiple first terminals, multiple second terminals, a positioning bracket and a shell. The first and second terminals are mounted through the insulative housing, and each of the first and second terminals has a mounting section, a soldering section and a contacting section. The soldering sections of all terminals are arranged in a transverse row relative to the insulative housing. The positioning bracket is mounted under the insulative housing and holds the soldering sections. The shell covers the insulative housing, first and second terminals and positioning bracket. The soldering sections arranged in one row makes the socket connector compact.

Abstract: A plug connector has an insulative housing, a mounting bracket, multiple first terminals, multiple second terminals and a shell. The mounting bracket is mounted on the insulative housing. The first terminals are mounted through the insulative housing and have soldering sections arranged in a first transverse row. The second terminals are mounted through the mounting bracket and have soldering sections arranged in a second transverse row. The soldering sections arranged in the different rows reduce a density of a soldering section layout and facilitate soldering the plug connector to a PCB.

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: A RF coaxial connector has an insulative housing, an internal terminal and an external terminal. The insulative housing has a cavity. The internal terminal is mounted in the cavity and has a mounting section, two resilient arms protruding from the mounting section, a free section formed between the resilient arms and a contacting section protruding from the free section. The external terminal is mounted on the insulative housing. The internal terminal provides sufficient resistance force against a pin conductor of a corresponding connector engaged with the RF coaxial connector for stable signal transmission.

Abstract: A coaxial connector has a metal shell, an insulative housing and a terminal. The metal shell has a body, a cavity defined in the body and a clamping cover formed on the body. The insulative housing is mounted in the cavity and has a base, a chamber defined in the base and a wire-pressing member being resilient and formed on the base. The terminal is mounted in the chamber and has a plate aligned with the wire-pressing member and two contacting arms protruding from the plate. When a coaxial cable is connected to the coaxial connector, the wire-pressing member is bent to precisely position a core wire of the coaxial cable on the plate and stabilize signal transmission between the coaxial connector and a coaxial cable.