Abstract: An electrical junction box for supporting a hanging load includes a base plate and a sidewall extending from it. The base plate has a pair of square bolts holes at opposite positions next to the sidewall. The sidewall has a pair of tabs bent inward, each tab having a bolt hole aligned with one of the square bolt holes. A square necked carriage bolt extends through each square bolt hole and its aligned tab bolt hole, with a lock nut on each of the bolts for supporting the hanging load. A spacer sleeve surrounds each of the bolts, between the base plate and the tabs, forming a rigid structure when the nuts are tightened. The sidewall further includes mounting holes for side mounting of the junction box for a supporting structure, permitting flush mounting of the box relative to a ceiling.

Abstract: A shield for the gap surrounding the door of an enclosure shielded against electromagnetic interference (EMI). The shield includes an elongated base having angularly related mounting and support flange portions adjustable by deformation to tailor the base to the gap. The mounting flange portion is adjustably clamped to the door face to hold the support flange portion in the gap. A finger assembly includes numerous fingers with first ends fixed to the base, second ends slidable on the support flange portion and contact portions engageable with the door frame.

Abstract: An electromagnetic interference shielding cover for computer terminals or the like comprising a layer of woven metallic or metallized synthetic conductive fabric covering the computer terminal top side, bottom side, right side, left side, front side and rear side. The embodiments described provide full electrical and magnetic continuity throughout the shielding cover and can take the form of a free standing box-like rigid cover, or a fitted flexible cover. Woven metal or metalized conductive mesh conditioned for viewing enchancement and glare reduction is provided in an individual, framed section and connected over appropriate cut-out openings to allow continuity of electromagnetic shielding and visual access.The shielding cover may consist of a single enclosure or where appropriate, multiple enclosures connected by means of an electro-magnetically continuous joint allowing console articulation.

Abstract: A security box includes a base having a support wall with four countersunk mounting holes through which mounting bolts extend to attach the base to a building wall while spacing the support wall from the building wall. The base has a top wall extending substantially perpendicular to the support wall and having L-shaped rails on its opposite sides within which a mounting plate for cable TV connectors is supported. A cover has a top wall overlying the top wall of the base with a flange on its rear to overlie the support wall. The cover also has a front wall, side walls, and a bottom wall with the bottom wall fitting between a flange at the bottom of the support wall of the base and a pair of L-shaped flanges extending forwardly from opposite sides of the support wall and inwardly towards each other. One of the flanges cooperates with a cam-type lock, which is mounted on the front wall of the cover, to lock the cover to the base.

Abstract: Afterset to access each cell of a three-cell cellular raceway. Comprises a base conected to and extending across the three raceways, an adjusting ring threaded on the base and a flat cover on the adjusting ring. Cover and ring are arranged so that the size of the cable exit opening can be adjusted to fit the cross sectional size of the group of cables. All power, telephone, and data connectors are joined inside the afterset underneath the floor covering.

Abstract: A combined floor pedestal and floor outlets which include a base drum and a support drum interconnected by an adjustment sleeve member which is sleeved around and threadedly connected to the base drum and a support drum. The support drum has a top annular bearing face with grooves and projections to support and engage with floor rails and receives a plug body which has sockets mounted thereon to be used for electrical connection on the floor. The support drum is also provided with sockets means connected to the sockets of the plug. The assembly is convenient for making height adjustments as well as electrical connection.

Abstract: Disclosed herein an improved switch/socket cover which has a simple structure. It comprises a face plate, a replaceable picture and a fixing block, and it is characterized by the design of the fixing block which is hollow and has two slots in appropriate positions at two sides to be fixed to a base for switch/socket for installation of switch and socket and the picture which has a rectangular opening in the middle corresponding to the socket surface and a rectangular opening in the middle of the face plate which has an oblique edge at one side and two tenons with triangular cross section in appropriate position at the opposite side for inserting into the slots in order to fix the picture on the fixing block.

Abstract: Improved EMI/RFI shielding is provided for situations which require heavy duty wiping insertions, such as occurring when a relatively heavy electronic assembly is to be removably inserted in a cabinet. In accordance with the invention, inexpensive integral EMI/RFI strips of conductive spring material are riveted to opposite cabinet walls so as to be adjacent the wiping sides of the inserted electronic assembly. Each EMI/RFI strip contains integral longitudinally spaced projecting fingers formed to provide durable and highly reliable EMI/RFI shielding capable of withstanding many insertions and removals.

Abstract: A device containing a semiconductor element having a substrate a cap over the substrate with a glass layer formed between the cap and the substrate providing a seal therebetween. Electrically conducting terminal members extend through the glass layer and connect with means for electrically connecting to the semiconductor element. A semiconductor mounting member is joined to the substrate and a semiconductor element having a coefficient of thermal expansion approximately equal to the semiconductor element mounted thereon.

Abstract: A terminal assembly for interconnecting cable forms a wrinkle in braided shielding of cable and clamps this wrinkle into assembly with axial clamping motion to effect mechanical attachment and continuity of electrical shielding with cabinet. Cable jacket is also held in longitudinal clamp.

Abstract: A safety cover plate for electrical outlets is disclosed which has a spring-biased cover plate. The plate slides on short legs which also bias the plate in a vertical direction. The plate slides between an open fixed position, and a closed fixed position.

Abstract: Sealing assemblies (16, 18, 20) are disclosed for isolating electronic circuitry (14) within a magnetometer (12) from the effects of water intrusion when the magnetometer is used under water. The electronic circuitry (14) is positioned within an inner cylindrical member (24) and the ends of the inner cylindrical member are sealed by RTV rubber plugs (50, 52). Passages (54) through the plugs permit signal cables to extend from the electronic circuitry to the surface. The compression of the resilient plugs seals against the cable and the inner wall of the inner cylindrical member. Interior O-rings (46, 48) seal between the exterior of the inner cylindrical member and the inner wall of an outer cylindrical member (62) to seal the annular space therebetween. Couplings (66, 68) are secured at each end of the outer cylindrical member (62) and accept nipples (70, 72). Caps (78, 82) are slid over the nipples.

Abstract: Nonorthogonal grid patterns and curved transparencies having nonorthogonal grid patterns comprising a matrix of interconnected circles and arcs are described for use as electromagnetic pulse shielding elements which diminish "starburst" light interference distortions and readily conform to compound curvatures and complex shapes.

Abstract: An electrical component (20) comprises electrical circuit means (22) and housing member (50) disposed over a first portion (24) of the electrical circuit means (22). The circuit means (22) has a second portion (30) extending outwardly from the housing member (50) at a junction (32) with the first portion (24). The housing member (50) comprising a dielectric amorphous thermoplastic resin which is molded over the first portion (24) of the electrical circuit means (22). The composition seals the interface (56) of the housing (50) and the extending second portion (30) of the circuit means (22) and maintains sealing engagement therewith when stress is applied to the interface (56).

Abstract: To facilitate installation of cables through bulkheads and other surfaces and to provide electrical protection to apparatus connected to such cables, an assembly comprising electrically conductive blocks (6) clamped in a frame (2) is provided. The mounting blocks 6, each formed of two parts for fitting round a continuous cable length include ribs (11) adapted to grip the sleeving of the cable and an extended rib (10) for contacting screening of the cable. In use, the frame (2) is welded to a bulkhead or other conductive (earthed) element. A section of insulation is removed from the cable and on clamping of the assembly the blocks (6) are compressed together forcing ribs 10 to contact respective screens. Thus any induced electro-magnetic pulses on the cable screens are provided with a low-resistance leakage path.

Abstract: The present invention uses a plurality of spaced contact fingers to provide EMI (electromagnetic interference) shielding at the gap junction between the edge of a sheet metal panel and its butt interface with a narrow flat surface. Each of the fingers comprises a U-shaped portion enclosing the sheet metal panel edge and a V-shaped portion situated substantially at right angles to the U-shaped portion and urging the U-shaped portion in an outwardly direction so as to provide contact between the sheet metal panel and the flat surface to which it is interfacing.

Abstract: A semiconductor casing is formed of a ceramic-glass-metal composite material with a leadframe embedded in a base component. The leadframe may include holes therethrough to mechanically interlock with the composite material. Also, a process comprises forming a four-sided semiconductor casing having a leadframe with an aluminum cladding that is etched away at the ends extending from the casing.

Abstract: A shielding device consists of a contact spring (1) having a triangular profile which is open at one triangular point. With the free legs (2, 3) the contact spring (1) is slipped over the edge of a housing member (10), such as a door, side wall, or the like. Following the closure or the assembly, one of the legs (2,3) is applied to the other housing member (12) forming a gap with the first member (10), which gap is to be conductively bridged.

Abstract: A contacting arrangement for shielded compartments and regions with HF-tight shielded movable and abutting housing components (1, 2), particularly door sashes, door leaves, window wings and window frames, which overlap at their edge regions and which are shielded along the edge regions (1, 2) through a first contacting system (5, 6, 6), particularly through a blade contact system with a blade like projection (5) on one of the housing components (2) and contact springs (6, 6) on the other housing component (1) which engage each other in the contacting position, and additionally through a second contacting system (20) mounted in the overlapping region of the housing components (1, 2) which is displaced outward with respect to the first contacting system (5, 6, 6). An elastic absorbing material (14) is provided in the region between the two contacting systems which is attached to one of the abuttable movable housing components (1, 2).

Abstract: An electrical outlet cover system having moveable covers to permit access to and to protectively cover receptacles in the electrical outlet. Each cover is hingedly connected to a plate member in a manner to permit the cover to be turned about an axis normal to the plate member to uncover the receptacle and tilted about an axis parallel to the plate member to effect engagement and disengagement of latch means for holding the cover in a position to cover the receptacle.