Abstract: An electrical power connector comprises a housing having a mounting interface and a mating interface. The mating interface defines a plurality of receptacles spaced apart in more than one direction. A plurality of electrical contacts is supported by the housing. These electrical contacts define respective mounting ends that are configured to electrically connect with an electrical component at the mounting interface, and opposed mating ends. At least one of the electrical contacts defines a common contact beam disposed within at least a select one of the receptacles. This common contact beam is configured to be electrically connected to a pair of adjacent electrical contacts of a mated electrical connector.

Abstract: Electronic module, such as a small footprint pluggable (SFP) connector module, including a housing, an electroconductive cage for shielding the module and a latch for the cage to the housing. The latch includes a separate latch member accommodated between the housing and the cage, and at least one resiliently protruding tip. The cage is provided with an opening for receiving the resiliently protruding tip.

Abstract: A mine roof support includes a substantially dome-shaped plate including a curved portion having a first side and a second side. The mine roof support includes a drive end such as a barrel and wedge assembly, a nut or a forged head. The first side of the plate is adapted to mate with a recess defined in a mine roof. A top portion of the drive head may be contoured to substantially match the contour of the second side of the plate. A drill bit tool used to create the recess includes a first drill bit situated at one end of the drill bit tool and a second drill bit situated near an opposite end of the drill bit tool, wherein the drill bit tool is adapted to drill a bore hole and the recess. A method for supporting the mine roof utilizes the mine roof support.

Abstract: The present invention relates to a method and apparatus for estimating and compensating IQ imbalance of a baseband sampling digital communication receiver in digital time domain. Specifically, after an analog-to-digital converter (ADC) in the baseband sampling system, a structure including a crosstalk gain estimator, a Q-path gain estimator, an IQ imbalance compensator, and a lock detector is utilized to execute IQ imbalance estimation and compensation. In contrast to real-time frequency domain estimator/compensator, the present invention requires very little or no additional memory and delay processing, and therefore provides the estimation apparatus and method with convenience.

Abstract: A connector for connection between a circuit board and a further electronic component is disclosed. The connector includes an insulating housing having a board slot open towards a mating direction for accommodating the circuit board, and a plurality of terminals. The terminals have a rear portion, an intermediate portion and a tip portion, the intermediate portion including a contact portion for contacting a surface portion of the circuit board when accommodated in the board slot. The housing includes a window such that for a number of adjacent terminals housing material is absent between the intermediate portions. A shield member may be arranged in between the rear portions of the terminals. Improved circuit boards are also disclosed.

Abstract: An electrical connector includes a connector housing and at least one electrical contact supported by the connector housing, the at least one electrical contact configured to mate with a complementary electrical contact of a complementary electrical connector. The electrical connector further includes a latch assembly that includes an actuator and a latch body. The actuator has an actuator portion and at least one arm extending from the actuator portion. The arm includes a proximal end connected to the actuator portion, an opposed distal end, and an intermediate portion. The intermediate portion is retained by the connector housing at a location below the distal end. The latch body is connected to the connector housing so as to rotate about a pivot axis. The latch body includes a latch member at one side of the pivot axis, and a spring disposed at a second opposite side of the pivot axis. The spring provides a spring force that biases the latch member toward a latched position.

Abstract: Connector assembly for electrical power supply or transmission in vehicles, comprising first and a second connector devices to be mated according to a mating axis. The first connector device comprises at least one spring device terminated by at least one electrically conductive head, movable in a spring load direction. The second connector device comprises at least one interlock terminal including an electrical conductor and an insulation cap arranged in such a way that, during the mating sequence, the at least one head touches first the insulation cap on one or several insulating areas and then contacts the electrical conductor on one or several conducting areas. Each of the one or several insulating areas is offset laterally with respect to each of the one or several conducting areas, according to a lateral direction perpendicular to the mating axis and to the spring load direction.

Abstract: A truss shoe for a roof support system includes a bolt receiving section, an intermediate section, and a housing having a threaded rod engaging section. The threaded rod engaging section has a passageway having a first open end spaced from, and in facing relationship to, the bolt receiving section and an opposite second end. The passageway has a threaded portion extending from the first end of the passageway toward the second end. A stop member is positioned spaced from the first open end of the passageway. With this arrangement, the end of the threaded rod passes through the space between the first open end of the passageway and the stop member into engagement with the stop member, whereby all of the threads of the threaded portion of the passageway are in engagement with the threads of the threaded bar.

Abstract: An electrical male terminal formed from a metal plate comprising a mating portion having contact surfaces adapted to electrically contact a female terminal. The mating portion comprises a first and second seamless strip electrically contacting the first and second female contact surfaces. The male terminal has a seam comprising a mating portion seam, within the mating portion, which is parallel to the longitudinal axis, and located on one of the side portions which are perpendicular to the contact surfaces of the mating portion.

Abstract: A splice tube includes a body, first and second wedge assemblies, first and second plugs, and a securing member that secures at least one of the first and second plugs to the body. The body defines first and second passageways that extend through the body. Each passageway of the body has a first end and a second end. The first and second wedge assemblies each have a passageway. At least a portion of the first and second wedge assemblies are positioned within the first and second passageways, respectively. The first and second plugs are at least partially positioned within the passageway of the first and second wedge assemblies, respectively.

Abstract: An optical coupling device comprises: a Z-reference part co-operating with a Z-reference of a first optical device, to define the location of a first optical interface of the coupling device along a direction (Z), fixation parts (17, 19), extending at different heights along this direction, adapted to be glued to the first optical device.

Abstract: A high speed flexible printed circuit (FPC) connector includes a housing with ground and signal contact terminal pairs arranged in the housing in a staggered manner along a lateral direction. The housing has a cavity for receiving an FPC board therein. Each ground contact terminal has an upper arm positioned adjacent to a top wall of the cavity and a lower arm positioned adjacent to a bottom wall of the cavity. Each signal contact terminal has only a lower arm positioned adjacent to the bottom wall of the cavity. Signal contact terminals with the only lower arm provide the connector with better signal integrity. An actuator is coupled to the housing for fixing the FPC board in the cavity to establish electrical connections. The actuator has recesses corresponding to the positions of the signal pairs to provide a dielectric constant different from that of the other parts of the actuator.

Abstract: The invention relates to an electro-optical connection module, including a housing, at least one printed circuit board provided in the housing, an optical engine provided on the printed circuit board, the optical engine including at least one of a receiver device configured to transform optical signals received into electrical signals and a transmitter device configured to transform electrical signals received into optical signals, an optical engine port, and an electrical engine port, a pluggable optical port, an optical patch cable assembly connecting the optical engine port and the pluggable optical port for optical signal transmission, and a pluggable electrical port connected to the electrical engine port for electrical signal transmission.

Abstract: The invention relates to an electrical connector that includes an insulating connector housing containing a plurality of slots arranged in a matrix of rows and columns. A plurality of single ended contacts is received in the slots. In particular, the single ended contacts are arranged in pairs in said slots of said matrix, such that, in a first row, a first pair of said contacts accommodates slots in a first column and a second column of said matrix and, in a second row adjacent to said first row, a second pair of said contacts accommodates slots in said second column and a third column of said matrix, wherein positions corresponding respectively to the first row and the third column, and to the first column and the second row are free of contact.

Abstract: The invention is related to an electrical circuit for an automotive electrical system. This electrical circuit comprises a filtering element for filtering a triggering signal, the filtering element having a first conductor for connecting to a ground, a squib intended to trigger a SRS device upon reception of the triggering signal, the squib having a ground, wherein the first conductor is connected to the ground of the squib.

Abstract: A bearing plate and a nut and bolt arrangement for use as a rib or roof support for coal mines where the extracted coal is used for powder coal and has a specific gravity in the range of 1.5-1.9, preferably 1.7. The bearing plate has an outer reinforced area surrounding an inner reinforced area. The outer reinforced area has one or more endless rib members and the inner reinforced area has a plurality of legs, wherein the legs are spaced from one another and the first end of each leg encircles a bolthole in a center of the bearing plate to receive the bolt of the nut and bolt assembly.

Abstract: A printed circuit board electrical power contact for connecting a daughter printed circuit hoard to a mating contact on another electrical component. The power contact includes a main section; at least one daughter board electrical contact section extending from the main section; and at least one mating connector contact section extending from the main section. The mating connector contact section includes at least three forward projecting beams. A first one of the beams extends outward in a first direction as the first beam extends forward from the main section and has a contact surface facing the first direction. Two second ones of the beams are located on opposite sides of the first beam and extend outward in a second opposite direction as the second beams extend forward from the main section. The second beams have contact surfaces facing the second direction.