Abstract: An optical-electric connector (100) includes an insulating housing (10), a number of terminals, an optical element (40) and a shielding shell (30). The insulating housing (10) defines a mating face (11) having a mating hole (111) thereon, a receiving room (13) communicating with the mating hole and a number of terminal slots (15) receiving the terminals. The optical element is assembled in the insulating housing. The shielding shell substantially encloses the insulating housing and comprises a grounding tab (33) extending from an upper face thereof, the terminal comprises a grounding terminal and a detecting terminal.

Abstract: An electrical connector assembly includes a socket (1) and a header (2), each including an insulating housing (11,21), a plurality of contacts (12,22) and a pair of grounding contact (13,23). The housing of header defines a pair of barriers (214) parallel to the header contact and a groove (2142) on an outer face of each barrier to receive one grounding header contact (23). When the header and the socket are mated with each other, the barrier is inserted into socket first, and the grounding contacts are electrically connected together before the contacts of the header and the socket.

Abstract: A modular jack (100) includes an insulative housing (1) defining a receiving cavity (151) for receiving a complementary connector, a contact module (2), a detective switch (3) and an outer metal shield (4) enclosing the housing. The detective switch includes an immovable switch (31) and a movable switch (32) abutting against the immovable switch. The immovable and movable switches respectively include an engaging portion (311, 3212) and a soldering portion (313, 323) for electrically connecting with a printed circuit board. The movable switch further includes a projecting portion (3211) for engaging with the complementary connector.

Abstract: An electrical connector comprises an insulating housing comprising a mating face and two side faces and defining a receiving chamber extending through the mating face along a mating direction thereof; a first contact disposed in the housing; a second contact received in the housing and comprising an engaging portion protruding into the receiving chamber; and a shield covering the housing and formed with at least a pair of soldering arms located outside the one of the side faces of the housing and spaced from each other along the mating direction, the soldering portion of the first contact located between the two soldering arms of the shield outside the one of the side faces of the housing.

Abstract: An optical-electric connector (100) includes an insulating housing (10), a number of terminals, an optical element (40) and a shielding shell (30). The insulating housing (10) defines a mating face (11) having a mating hole (111) thereon, a receiving room (13) communicating with the mating hole and a number of terminal slots (15) receiving the terminals. The optical element is assembled in the insulating housing. The shielding shell substantially encloses the insulating housing and comprises a grounding tab (33) extending from an upper face thereof, the terminal comprises a grounding terminal and a detecting terminal.

Abstract: Methods for treating landfill leachate taught herein comprise: (a) coagulatively settling leachate; (b) filtering the resultant supernatant liquid through multistage cartridges; (c) filtering the filtered liquid by reverse osmosis; and (d) treating the resultant liquid with chlorine-based oxidant. These methods provide the advantages of efficient wastewater treatment, compact equipment size, short process flow, and low startup and operational costs.

Abstract: A power connector includes a housing (10) defining a tube-like receiving chamber (16) extending through a front face (11) thereof and a receiving hole extending through a rear face (12) thereof, a first contact (20) extending into the receiving chamber, and a second contact (50) extending into the receiving hole. The receiving hole comprises a front section (17) and a rear section (18). The front section is communicating with the receiving chamber and is larger than the rear section in diameter thereof to form a step portion therebetween. The second contact (50) is a single piece and comprises an engaging portion (51) extending in the receiving chamber, a retaining portion (52) extending from the engaging portion and engaging with the step portion for preventing the second contact from moving rearwardly, and a connecting portion (53) extending from the retaining portion and comprising a bent portion engaging with the rear face of the housing for preventing the second contact from moving forwards.

Abstract: An electrical connector (1) has an insulative housing (10), a plurality of contacts (20) received in the housing, an inner shell (30) surrounding the housing and an outer shell (40) surrounding the inner shell. The connector has a plurality of tabs (251, 263) extending inwardly therefrom. The tabs are constructed in the cover and bottom of the inner shell and can be latched to a mating connector. The out shell is conjoint to and overlaps the inner shell.

Abstract: A power connector includes a housing (10), contacts (20, 30, 40) received in the housing and a shield. The housing has a front face (11), a top face (13), a bottom face (14) and two side faces (15). The shield has a front shield (50) and a U-shape rear shield (60). The front shield is formed with a fringe (53) and a pair of wings (54) bent rearwardly respectively from edges thereof. The front shield covers the front face of the housing, and the fringe and the wings respectively cling to top face and side faces of the housing. The rear shield covers the top face and two side faces of the housing, simultaneity, the rear shield further fastens the fringe and the wings of the front shield to keep the front shield on the housing and prevent the front shield from overturning outwards.

Abstract: An electrical connector comprises an insulating housing comprising a mating face and two side faces and defining a receiving chamber extending through the mating face along a mating direction thereof; a first contact disposed in the housing; a second contact received in the housing and comprising an engaging portion protruding into the receiving chamber; and a shield covering the housing and formed with at least a pair of soldering arms located outside the one of the side faces of the housing and spaced from each other along the mating direction, the soldering portion of the first contact located between the two soldering arms of the shield outside the one of the side faces of the housing.

Abstract: An electrical connector includes an insulative housing (1), a plurality of contacts (2), and a shell (3) surrounding the housing. The insulative housing includes a base portion (10) with a plurality of passageways (111) extending therethrough, a tongue portion (12) extending forwardly from the base portion, and a rib (11) formed at an end of the tongue portion. A plurality of terminals are received in the passageways and extend forwardly for dividing the tongue portion into several parts. Each terminal comprises a conductive surface (22, 23). The rib extends adjacent to one of the terminals and partially protrudes beyond the conductive surface of the one of the terminals.

Abstract: A power connector (1) includes an insulative housing (10), a number of conductive contacts (20) received in the insulative housing, a first shell (30) enclosing the insulative housing and a second shell (40) enclosing the first shell. The insulative housing includes a base portion (101) and a tongue portion (103) extending forwardly from the base portion. The cross-section of each of the first and the second shells consists of a pair of straight sections (308, 408) parallel to each other and a pair of arcuate sections (308?, 408?) each connecting with the pair of straight sections.

Abstract: An electrical connector (1) includes an insulative housing (10), a plurality of terminals (20) received in the housing, and a shell (30) surrounding the housing. The insulative housing includes a base portion (11) defining a plurality of passageways (111) extending therethrough, and a tongue portion (12) extending forwardly from the base portion. One of the passageways extends from the base portion into the tongue portion. One of the terminals is located adjacent to and outside of the tongue portion.

Abstract: A power connector includes a housing (10) defining a tube-like receiving chamber (16) extending through a front face (11) thereof and a receiving hole extending through a rear face (12) thereof, a first contact (20) extending into the receiving chamber, and a second contact (50) extending into the receiving hole. The receiving hole comprises a front section (17) and a rear section (18). The front section is communicating with the receiving chamber and is larger than the rear section in diameter thereof to form a step portion therebetween. The second contact (50) is a single piece and comprises an engaging portion (51) extending in the receiving chamber, a retaining portion (52) extending from the engaging portion and engaging with the step portion for preventing the second contact from moving rearwardly, and a connecting portion (53) extending from the retaining portion and comprising a bent portion engaging with the rear face of the housing for preventing the second contact from moving forwards.

Abstract: A power connector (1) includes an insulating housing (10), a number of contacts (20) received in the insulative housing, a first and a second shielding shells (30,40). The insulating housing has a base (101), and a tongue (103) extending horizontally from the base and including an upper mating face (1031) and a lower mating face (1032) parallel to the upper mating face. A number of receiving passages (105) are defined through the base toward the tongue. A plurality of receiving slots (104) extend from the upper mating face to the lower mating face to communicate with corresponding receiving passages. Each contact has a contact portion (201) received in corresponding receiving slot. The contact portion has a first and a second contact surfaces (202, 203) respectively exposed in the upper and the lower mating face.

Abstract: An electrical connector (100) mounted on a printed circuit board includes an insulative housing (2) and a terminal module (3) received in the housing. The insulative housing (2) defines a receiving cavity (24) for receiving a mating electrical connector and a top plate (22) with a cutout (221). The terminal module is received in the insulative housing and comprises a dielectric body (30) and a plurality of conductive terminals (31) fixed in the body. Each conductive terminal includes a contact portion (312) for electrically connecting with the mating electrical connector and a fixing portion fixed in the dielectric body. The dielectric body comprises a substantially horizontal portion (301) for engaging with the cutout of the insulative housing and a mating recess (303) positioned on a front edge of the horizontal portion, thereby forming a ladder-shaped front portion thereof, with the fixing portion of the conductive terminal positioned in a bottom portion of the horizontal portion.

Abstract: A power connector (1) includes an insulative housing (10), a number of conductive contacts (20) received in the insulative housing, a first shell (30) enclosing the insulative housing and a second shell (40) enclosing the first shell. The insulative housing includes a base portion (101) and a tongue portion (103) extending forwardly from the base portion. The cross-section of each of the first and the second shells consists of a pair of straight sections (308, 408) parallel to each other and a pair of arcuate sections (308?, 408?) each connecting with the pair of straight sections.

Abstract: An electrical connector (1) has an insulative housing (10), a plurality of contacts (20) received in the housing, an inner shell (30) surrounding the housing and an outer shell (40) surrounding the inner shell. The connector has a plurality of tabs (251, 263) extending inwardly therefrom. The tabs are constructed in the cover and bottom of the inner shell and can be latched to a mating connector. The out shell is conjoint to and overlaps the inner shell.