Abstract: An electrical connector which incorporates a printed circuit substrate to accurately modify electrical signals on the cable terminated in the connector. The connector utilizes two distinct sets of contact terminals, the first set acting to terminate the cable and the substrate, the second set acting to terminate the substrate and couple the signals thereon to a mating external jack. The substrate includes circuit components electrically connected between the first and second sets of contact terminals.

Abstract: In order to obtain a self-restoring fuse, it is proposed that a planar thermal bimetal snap element (1, 9) is provided that is secured on the circuit substrate (4) with refractory solder on the basis of at least one solder location and that is thermally coupled to the circuit substrate (4), whereby the solder location is fashioned as first contact location (5) for connection to a corresponding circuit contact of the circuit substrate, and that the snap element (1, 9) is mechanically pre-arched hump-like such that, when the fuse is not activated, it electrically conductively touches a second contact location of the circuit substrate (4) but does not touch it when the fuse has triggered and, thus, the hump curvature has reversed.

Abstract: The inventive coil comprises a coil body (1) on which an exciter winding (7) is arranged. A peripheral insulation winding (8) consisting of an insulating fiber is formed over the exciter winding, the individual windings of the insulating winding being bonded to each other in order to form a continuous insulation layer. The insulation winding can be made up of a mineral fiber impregnated with duromer resin or a thermoplastic fiber which has been melted on by subsequent heat treatment.

Abstract: A surface mount core assembly comprises a header with breakaway support rails. The breakaway support rails are used in the manufacturing process to maximize the core window of the assembly, and may be removed to minimize the footprint of the assembly. In the present embodiment, the assembly comprises, for example, a transformer wherein prefabricated conductor rings are used to further maximize the fill of the core window with conductor material.

Abstract: The relay has a structure with a coil, yoke and armature as well as contacts, whereby one of the contacts is connected to a terminal element via the yoke and a plug fuse. The yoke has a yoke section that extends laterally at the relay into the proximity of the bottom side. A laterally projecting spring clip is respectively secured both to the yoke section as well as to the appertaining terminal element. The two spring clips are bridged by the plug fuse attached laterally to the relay.

Abstract: A cross-connect cabinet for an underground telecommunication installation wherein the bundle of conductors electrically connecting the splice connector with a pivoted terminal field is so constructed and arranged to avoid bending the bundle of conductors across the longitudinal axis of the conductors in a manner likely to cause fatigue or other premature conductor failure during the opening and closing of the terminal field of the cross-connect cabinet.

Abstract: A field effect transistor (FET) comprising a plurality of drain finger electrodes, source finger electrodes and gate finger electrodes disposed in an active region of a semiconductor substrate; a drain bus disposed outside the active region and electrically connecting the drain finger electrodes to each other; a gate bus disposed outside the active region and electrically connecting the gate finger electrodes to each other; and a source bus disposed outside the active region and electrically connecting the source finger electrodes to each other; wherein the drain fingers are electrically connected to each other via the drain bus without crossing over the source or gate fingers.

Abstract: A connector assembly is provided wherein a circuit is provided between two connector housings, such as two header connector housings, adapted to connect to two mating connector housings, such as two mating harness connector housings. Such circuit is provided by a power shunt contact that may be provided as a single piece of contact material which includes two contact lengths, which extend into respective header connector housings, and a bridging shunt segment extending therebetween.

Abstract: A system has first printed circuit boards which are plugged into a second printed circuit board mounted in a frame. The system includes guides being provided for guiding the first printed circuit boards and includes at least one guide mounted on a support element which is either adjacent or between the first printed circuit boards so that at least two printed circuit boards can be stacked one on top of the other in the plane of the first printed circuit boards.

Abstract: Interconnection apparatus is provided which is especially useful to mount and connect circuit boards having a contact assembly of resilient compressive contacts to a backplane or other mateable board or device. The apparatus includes an enclosure having guide channels for each board to be housed in the enclosure, a contact assembly for providing compressive contact between the contact ends of each board and corresponding contacts of the backplane, and elements for seating each board into engagement with the backplane.

Abstract: A reverse mount heat dissipating device, for removing heat from an electronic device package, includes a circuit board with a bore therethrough. A semiconductor package is affixed to the top surface of the circuit board via a number of electrical contacts. The semiconductor package is positioned over the bore of the circuit board. A retaining collar is positioned in the bore of the circuit board. The retaining collar is secured in the bore in the circuit board by a circumferential groove and flanges. The retaining collar also includes a female threaded collar bore therethrough. A heat dissipating member, with a male threaded shank portion and a substantially flat top surface, is threadably received in the female threaded collar bore so that the flat top surface of the heat dissipating member is in flush thermal communication with the bottom surface of said semiconductor package.

Abstract: The electromagnet system has a yoke (1) and a round core 92) that has a cylindrical shaft and an outwardly expanded cone section (25) toward the fastening end. The core has its shaft plugged in advance into a round hole (13) of the yoke proceeding from the outside. The cone section (25) of the core also has a thread with which it is turned into the thread-free round hole (13) of the yoke (1) by being turned. In this way, the core can be exactly positioned and a good interference fit and a good magnetic coupling are achieved.

Abstract: A photolithography mask having a visible-light-opaque film disposed on a surface of a transparent substrate. The film includes at least one opening that defines an image of a circuit feature, and a window for viewing an alignment mark on an associated wafer. The window has an array of openings in the opaque film, wherein each opening is of a dimension which is substantially below that of the opening defining the image of the circuit feature. Further, a method of aligning the above photolithography mask with a wafer to be patterned. The method comprises the steps of looking through the window of the mask to view the alignment mark on the wafer and positioning the alignment mark of the wafer within the window of the mask.

Abstract: A vibration and shock resistant heat dissipating device for removing heat from a heat generating object is disclosed. The heat dissipating device includes a retaining clip having a central member and a pair of legs depending downwardly therefrom. An aperture is disposed through the central member and defines a central member bore having female threading formed therein. The free ends of the pair of legs are secured relative to the heat generating object. A heat dissipating member having a threaded base portion with a substantially flat bottom surface is adapted to be threadably received in the center member bore so that the flat bottom surface of the heat dissipating member is in flush thermal communication with the heat generating member. A ratchet member is disposed between the retaining clip and the heat dissipating member for controlling threaded receipt of the threaded base portion in the retaining clip.

Abstract: The relay is formed from two half-shells which are formed by extrusion coating the functional elements with plastic. A first half-shell is formed by extrusion coating a coil with a U-shaped core, while a second half-shell is formed by extrusion coating a spring support and at least one fixed contact element. A contact spring having a flat armature is attached to the spring support. The relay is adjusted and at the same time sealed by the process of joining the two half-shells.

Abstract: A connector module is provided that includes a first connector housing, a second connector housing and a connector positive assurance member. Insertion of the first housing into the second housing will cause a latching mechanism located within the assembled first and second housings to latch the housings together so that they can not be readily disengaged. When the first and second housings are fully engaged in this manner, the connector positive assurance member may be moved from a first position to a second position to assure complete engagement has been effected and to lock the housings together. If the first and second housings are not filly engaged, the connector positive assurance member can not be moved from such first position to such second position.

Abstract: A surface-mountable magnetic device comprising: (1) a multi-layer circuit containing a plurality of windings disposed in layers thereof, the multi-layer circuit having first and second lateral recesses associated therewith, the first and second lateral recesses intersecting the layers of the multi-layer circuit, (2) a conductive substance disposed within the first and second lateral recesses and electrically coupling selected ones of the plurality of windings and (3) a magnetic core mounted proximate the plurality of windings, the magnetic core adapted to impart a desired magnetic property to the plurality of windings, the device locatable proximate a substantially planar substrate to allow the first and second lateral recesses to act as conductors between the plurality of windings and electrical conductors on the substantially planar substrate, the plurality of windings and the magnetic core substantially free of a surrounding molding material to allow the magnetic device to assume a smaller overall device v

Abstract: A conditioning circuit and a method of conditioning an average input signal for use with a controller adapted to receive a signal representing a peak input signal. In one embodiment, the conditioning circuit includes: (1) a comparator circuit that compares an average input signal to a reference signal and develops therefrom a comparison signal representing the average input signal, and (2) a switching circuit, coupled to the comparator circuit, that transforms the comparison signal into a format employable by the controller.

Abstract: For use with a power converter couplable to a source of electrical energy, the converter having a power switch that conducts intermittently to transfer energy from the source to an inductive element, and a freewheeling diode that alternately conducts with the power switch to transfer energy to an output of the converter, an active clamp and a method of operating the active clamp. In one embodiment, the active clamp includes: (1) an inductor, coupled in series with the freewheeling diode, and (2) a series-coupled capacitor and clamping switch, coupled in parallel with the inductor, that cooperate therewith to mitigate adverse effects of reverse recovery currents associated with the freewheeling diode and enable substantially zero voltage switching of the power and clamping switches.