Abstract: An antenna with an improved holed system ground plane comprises a substrate, a radiation conductor member, a grounding member and a system ground plane. The radiation conductor member is arranged on the surface of the substrate. The grounding member is arranged on one edge of the substrate. The radiation conductor member is connected with the grounding member. The system ground plane is connected with one side of the grounding member. The system ground plane has at least one arbitrary-shaped hole. A radiation-enhancing filler is disposed in the arbitrary-shaped hole. The present invention solves the conventional problems that the system ground plane is drilled or cut to accommodate components and IC chips, keep away from wiring routes and avoid protrusions on the appearance, via disposing radiation-enhancing fillers in the arbitrary-shaped holes. Thereby is kept integrality of the system ground plane and promoted omnidirectionality of signal transmission.

Abstract: A connector socket for a preset connector plug to connect at least includes an insulating main body, a plurality of terminals, a protective shell and a metal housing. The insulating main body includes a base portion and a tongue portion extending forward from the base portion, where the tongue portion is provided with a terminal slot throughout the base portion; the terminals is inserted in the terminal slot of the insulating main body; the protective shell wraps the tongue portion externally and bends to form a front wall, two opposite side walls and two connecting walls, where two ends of the front wall are respectively connected to the two side walls through the two connecting walls; and the metal housing wraps the insulating main body externally.

Abstract: A connector socket includes an insulation body with a terminal receptacle formed therein, multiple terminals securely received in the terminal receptacle of the insulation body and a metal casing covering the insulation body and composed of an upper casing and a lower casing connected to the upper casing via a connecting part which is formed on corresponding sides of the upper casing and of the lower casing. A method for manufacturing an oxide thin film comprises: providing a coating material comprising first precursor material, fuel material and solvent; coating the coating material on a substrate; and performing annealing treatment to the coating material on the substrate, thereby converting the coating material to an oxide thin film.

Abstract: A receptacle connector, for being inserted by a plug connector and contacted with a casing of the plug connector, includes a housing, a plurality of elastic pieces and a plurality of auxiliary fastening members. The housing includes a plurality of first surfaces and a plurality of second surfaces. The second surfaces are connected to two ends of the first surfaces so as to form an inserting window. The elastic pieces are disposed on the first surfaces. The auxiliary fastening members are disposed on the first surfaces. Each auxiliary fastening member includes a contacting portion formed extendedly at an inner side of the inserting window. When the contacting portions connected with the casing, the contact area between the casing and the auxiliary fastening members can be increased by the contacting portions so as to reduce the contact resistance between the plug connector and the receptacle connector.

Abstract: A connector assembly has a plug and socket; the plug includes an insulative body, at least one first power contact, at least one second power contact and a metal shield. The insulative body has a base portion and a tongue portion extending from the base portion. The tongue portion includes a plurality of power contact grooves and penetrates through the base portion, and at least one first convex portion defined in a periphery of the tongue portion. The first power contact and the second power contact are respectively formed on the power contact grooves of the insulative body for connection to a power source in a socket of host device. The metal shield encloses the tongue portion of the insulative body to cover the tongue portion. Consequently, the charging speed can be increased, reducing charging time.

Abstract: A connector includes an insulated body with a slot to receive therein a terminal module and a casing entirely enclosing the insulated body. An arm has at least two extensions respectively adapted to two oppositely formed sidewalls of the insulated body and each is provided with a boss formed on a distal end of the at least two extensions. At least two through holes are adapted to be defined in each of the two sidewalls of the insulated body to receive therein the bosses.

Abstract: A board-to-board connector assembly has a female connector and a male connector. The female connector has a first insulative housing, multiple first terminals and a latching bar. The first insulative housing has a locking recess and a releasing recess. The latching bar is mounted pivotally on the first insulative housing and selectively engages the locking recess or releasing recess. The male connector has a second insulative housing, multiple second terminals and two latched elements. The latched elements are mounted in the second insulative housing and each latched element has a latched hole selectively engaging with the latching bar to prevent the male connector from falling out of the female connector.

Abstract: A flexible antenna comprises a filmed layer, a flexible radiation conductor and a support member. The flexible radiation conductor has a crooked form and a feeder terminal. The filmed layer covers the upper surface of the flexible radiation conductor. The support member has a through-hole. The lower surface of the flexible radiation conductor is stuck to the upper surface of the support member. The feeder terminal is inserted through the through-hole to protrude from the lower surface of the support member. The flexible radiation conductor and the crooked feeder terminal thereof replace the conventional radiation conductor circuit layer and metallic contact terminal to overcome the problem that the conventional contact terminal damages the radiation conductor layer and protrudes the filmed layer. Further, the present invention integrates FPC and LDS technologies to enable the flexible radiation conductor to be arbitrarily stuck to complicated planes or complicated curved surfaces.

Abstract: An electrical connector socket includes a casing, a main body received in the casing, a first power contact terminal one distal end of which is mounted inside the power transmission body, a first power detect terminal, a second power detect terminal, a second power contact terminal, a ground terminal, upper terminals, lower terminals, an upper enclosure provided to enclose the bents of the upper terminals and a lower enclosure provided to enclose the bents of the lower terminals and to combine with the upper enclosure.

Abstract: An electrical connector plug includes a casing an output/input port mounted having multiple upper terminals and multiple lower terminals, a trough defined between the upper terminals and the lower terminals, a circuit board inserted in the trough of the casing and having, a metal plate electrically connected to the ground terminal and a metal housing to entirely enclose the casing and to electrically connect to the metal plate such that the metal plate is able to transmit electromagnetic interference out via the metal housing.

Abstract: A connector has a fixture with multiple slits defined therein, multiple terminals, a metal housing and a metal casing. One ends of the terminals are received in corresponding slits and the other ends of the terminals are exposed from the fixture. The metal housing encloses the exposed other ends of the terminals and connected to the metallic baffle. The metal casing encloses the fixture and a part of the metal housing.

Abstract: A multi-frequency antenna includes a first antenna element, a second antenna element, a connection element, a third antenna element and a shorted element. The connection element is connected between the first antenna element and a neighborhood portion of the third antenna element. A feeding point is located in or nearby a first junction between the connection element and the first antenna element or located in the connection element. The shorted element is connected between the second antenna element and the grounding plane. The shorted element extends from a second junction between the second antenna element and the third antenna element to the grounding plane. The first conductive path that extends from the feeding point to the other end of the shorted element is substantially equal to a second conductive length that extends from the feeding point to the free end of the first antenna element.

Abstract: A multiband antenna comprises a feeder member, a radiation conductor, a short-circuit member, a grounding plane and a feeder cable. The feeder member has a first coupling side. Two end of the short-circuit member are respectively connected with the radiation conductor and the grounding plane. The short-circuit member has a second coupling side parallel to and conformable to the first coupling side with a gap existing therebetween. The feeder cable has a central wire and an outer wire respectively connected with the feeder member and the grounding plane. The feeder member transmits a high-frequency fed-in signal to the short-circuit member in a capacitive coupling way. The multiband antenna of the present invention has a simplified antenna structure, a miniaturized size and wide frequency bands.

Abstract: The invention provides a lamp circuit of a light emitting device, which comprises a capacitor, a rectification unit, a current limiting unit, and a light emitting device. The capacitor is connected to the two lamp contacts of the lamp holder of the electrical ballast to change the resonant frequency of the resonant circuit of the electrical ballast. The rectification unit is connected to the capacitor, and utilized to rectify a sine-wave voltage to a direct current voltage. The current limiting unit is connected to the rectification unit, outputting a direct current corresponding to the direct current voltage. The light emitting device is connected to the current limiting unit and the rectification unit to generate a light source. With the invention, the light emitting device can be installed directly in a lamp holder of a conventional fluorescent lamp.

Abstract: A limiting current circuit that has output short circuit protection is connected to an external voltage source and comprises an output terminal, an input current unit, a driving transistor, a voltage control resistor, a voltage control transistor and a delay unit. The output terminal is connected to a load and has an output current. The driving transistor has an internal resistance, a drain current and a gate voltage. The voltage control resistor has a resistor voltage. The voltage control transistor has an internal resistance and a parasitic capacitance. The delay unit makes the resistor voltage charging the parasitic capacitance to extend the period of lower internal resistance of the voltage control transistor and the period of higher internal resistance of the driving transistor, makes the internal resistance of the voltage control transistor is less than the internal resistance of the driving transistor when the load is shorted.

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 connector includes an insulated body with a slot to receive therein a terminal module and a casing entirely enclosing the insulated body. An arm has at least two extensions respectively adapted to two oppositely formed sidewalls of the insulated body and each is provided with a boss formed on a distal end of the at least two extensions. At least two through holes are adapted to be defined in each of the two sidewalls of the insulated body to receive therein the bosses.

Abstract: A connector includes a receptacle and terminal modules each inserted into the receptacle and having a base and a plurality of terminals securely extended through the base. A block is formed on a side of the base and a cutout is defined on the side of the base to structurally correspond to the block so that two adjacent bases are connected together.

Abstract: A connector includes terminal elements each having a base, multiple terminals securely received in the base with first ends and second ends, positioning blocks formed on one side face of the base and cutouts defined in a top portion of the base, a casing having receiving spaces defined in the casing for receiving the second ends of the terminals, positioning holes each defined to communicate with a corresponding one of the receiving spaces to position therein the second end of the terminals and ribs formed inside the casing to isolate each of the terminals from influence from the other terminals and an insert having receiving holes defined to receive therein the terminal elements and transverse columns corresponding to the cutouts of the terminal elements such that with the transverse columns received in the corresponding cutouts, connection between the insert and the terminal elements is secured.

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.