Abstract: This invention relates to a type of improved connecting socket, comprising an external casing, wherein both ends have a through hole each, and a connecting unit installed at the external casing, wherein the connecting unit comprises a circuit board which has at least two connectors on it, and the sockets at the two connectors are respectively located at the two ends of the circuit board, and correspond to the through holes of the aforesaid external casing. Based on this, the connecting socket can be firmly attached to a predetermined position and serve as a socket for connecting the wire of the electronic product, and which can also be used independently as an adaptor socket for an extension wire set-up.

Abstract: Jumper board is disclosed to include a bracket, face panels respectively mounted on the bracket, each face panel having a springy hook hooked on a locating flange of the bracket, circuit boards respectively mounted in the bracket corresponding to the face panels, back plates respectively fastened to the face panel and covered on the circuit boards at the back, and levers respectively pivotally mounted in the face panels and respectively rotatable to force the springy hooks of the associating face panels from the bracket for allowing dismounting of the associating face panels from the bracket.

Abstract: A modular communication jack with low assembling tolerance includes a circuit board being provided on a front portion with spring contact terminals for contacting with a communication plug, and on a rear portion with Insulation Displace Contact terminals for contacting with wire cores of a communication cable; an insulated inner housing assembled to a top of the circuit board to prevent the circuit board from moving in X-direction and Y-direction, and being formed at a front portion with a cavity for receiving a communication plug; an insulated bottom member assembled to a bottom of the circuit board and fixedly connected to the inner housing to sandwich the circuit board between the inner housing and the bottom member and further prevent the circuit board from moving in Z-direction; and an outer housing enclosing an assembly of the inner housing, the bottom member, and the circuit board therein.

Abstract: An electric outlet dust protective structure used in an electric outlet to close the front opening of the housing of the electric outlet when the electric outlet is not inserted with an electric plug is disclosed to include a top dust cover, which has a top finger strip and an actuating block with two sloping side edges, left and right side dust covers each having a respective sloping top guide face maintained in contact with the sloping side edges of the actuating block and a respective guide groove coupled to a respective guide rod at the top dust cover for easy downward movement with the top dust cover to open the front opening of the housing, and two spring members that support the left and right side dust covers and the top dust cover in the close position to close the front opening of the housing.

Abstract: A patch panel mainly includes a panel with support holes which may be of rectangular shape and is located on each side of the panel; an electric circuit board mounted on the panel, which is structured a plurality of jacks and a plurality of IDC sets (Insulation Displaced Contact); the plurality of jacks separated into at least one set, which are parallelly located on the electric circuit board; the plurality of IDC sets separated into upper and lower sets, which are parallelly located on the electric circuit board and electrically connect with the plurality of jacks; a plurality of cable split rings with flexible holders to be plugged into the support holes oriented horizontally or vertically; and a cover with a plurality of openings, which covers the electric circuit board and exposes the jacks and the IDC sets.

Abstract: A suspended type cable fixing-up rack adapted to mount on a frame includes a cable patch board for a plurality of cables to connect thereto, a cable support, and mounting elements. The cable patch board includes two side wings provided with mounting holes. Each of the mounting elements includes a first bent section having mounting holes provided at a flat head portion thereof, and a second bent section provided with retaining holes, into which hooks provided on two cantilever arms at two lateral ends of the cable support are extended. Whereby the cable patch board and the mounting elements are connected together and fixed to the frame by threading screws through mounting holes on the first bent sections of the mounting elements and the wings of the cable patch board against the frame. Weight of cables fallen on the cable support is therefore evenly distributed to the frame.

Abstract: A telecommunication connector includes a housing, a circuit board mounted in the housing and holding a set of communication terminals and a set of connection terminals, the connection terminals being obliquely aligned at the circuit board in a staggered manner, reducing cross-talk, a wire block mounted on the circuit board to a communication line in connection to the connection terminals, the wire block having a guide plate in the wire hole thereof and connected between two locating walls and sloping forwardly downwards form a guide space for guiding the bare wires of the communication line into respective terminal grooves at an equal distance to ensure stable communication quality, and two movable covers pivoted to the housing and adapted to hold down the wire block and to protect the circuit board and the connection terminals against external dust.

Abstract: A video graphics accelerator card connector adapter is constructed to include a circuit board adapted for mounting in a surface box or a wall plate, a video graphics accelerator card 15pin connector socket soldered to the circuit board and adapted for receiving the video graphics accelerator card 15pin connector plug of the video signal cable of a computer monitor or connecting to the video graphics accelerator card 15pin connector socket of the host of a computer system through a video graphics accelerator card extension cable, and an insulation displacement connector soldered to the circuit board and adapted for receiving a local area network cable.

Abstract: A RCA data transmission connector and transmission cable mounting arrangement includes a connector holder having a front hollow shell and a rear holder base, a RCA data transmission connector, a circuit board fastened to the holder base of the connector holder by a hook joint and partially inserted into the hollow shell to hold the RCA data transmission connector in the hollow shell in alignment with a front insertion hole on the hollow shell for receiving a matching electric connector, a data transmission cable, an insulation displacement connector welded to the circuit board, a data transmission cable connected to the data transmission cable, and a holding down cap fastened to the insulation displacement connector to hold down the wires of the data transmission cable in contact with respective terminals in respective wire slots in the insulation displacement connector.

Abstract: An electric jack, which includes a housing, a circuit board mounted inside the housing, a terminal holder mounted inside the housing to hold down said circuit board, a plurality of forked terminals mounted in respectively holes at the terminal holders and welded to respective plug holes at the circuit board, a cable positioned in the terminal holder and having electric wires respectively connected to the forked terminals, and a plurality of holding down caps respectively pivoted to the terminal holders and turned between a first position where the electric wires of the cable are held down by the holding down caps to make a respective electric contact with the forked terminals, and a second position where the holding down caps are disconnected from the electric wires of the cable for enabling the cable to be disconnected from the terminal holder, the terminal holder having two stop blocks at two opposite sides, each stop block having a plurality of recessed receiving holes at inner side, which receive the end

Abstract: A module plug includes a circuit board mounted in a mounting space on a casing to hold a front terminal rack and a rear terminal rack and a plurality of terminals in terminal holes on the front terminal rack and the rear terminal rack, a top cover covered on the casing and fastened to the rear terminal rack to hold a signal line, permitting the electrical wires of the signal line to be respectively forced into contact with the terminals on the rear terminal rack, the circuit board being convenient for the installation of an interference prevention circuit to prevent the terminals from interfering with one another.

Abstract: An electric shielding metal shell having two symmetrical rectangular-shaped metal casings connected together to hold a receptacle and an electric wire covered within a braided earthed tubes. The metal casings each having a respective binding strip that are connected to each other to hold the braided earthed tube and the electric wire. The binding strip of each metal casing respectively extends from a respective curved suspension strip, which suspends from a bottom wall of the respective metal casing, so that the binding strips of the metal casings can be moved relative to the metal casings, for permitting the electric wire to be bent smoothly to the desired angle.

Abstract: An electric shielding metal shell having two symmetrical rectangular-shaped metal casings connected together to hold a receptacle and an electric wire covered within a braided earthed robe, so that the braided earthed robe with the electric wire extends out of said metal casings through a wire hole in the metal casings. The metal casings each have a respective unitary, open loop-like binding strip extending around the wire hole in either direction that are connected to each other to hold the braided earthed tube and the electric wire. The tail of either binding strip is inserted into a locating hole on the opposite binding strip and the hook of either binding strip is received in one of a series of retaining holes on the opposite binding strip.