Abstract: A communication apparatus is provided which permits system configuration to be freely changed even after electronic circuit boards are mounted to a shelf. The apparatus is a combination of an open rack and a shelf mounted on the rack, office cables for interconnecting external electronic devices are guided toward the rear of the apparatus and connected directly to external connectors of the electronic circuit boards, and a back wiring board is arranged on the rear surface of the shelf and has sheet connectors to which power supply connectors of the electronic circuit boards are connected.

Abstract: The flat/round connecting device provides connection between conductors of a flat-ribbon, flat-conductor cable having at least two flat conductors and the round conductors of a round cable having at least two round conductors. The device comprises a plurality of individual connectors, each having two portions extending along a straight line or disposed at an angle of 90.degree. relative to each other. One of the portions has a flat conductor crimping zone with crimping tongues arranged at a mutual spacing for crimping to the flat conductors and the other portion has a round-conductor crimping zone with crimping tongues arranged at a mutual spacing for crimping to the round conductors and to the insulation of the round conductors.

Abstract: An electrical clamping terminal arrangement with an IDC contact located in a housing of insulating material is formed, in particular for use in an automatic wiring, in such a way that the housing, on at least one side adjoining the introduction slit of the IDC contact, has a slitlike or groovelike indentation opening toward the introduction side for the conductor. The dimensions of this indentation are chosen such that a free end, located in the vicinity of the IDC contact, of a line contacted in the IDC contact is received in the indentation in a shock-hazard-proof manner.

Abstract: A pair of male and female coaxial connectors which includes male and female rectangular housings with a plurality of through holes arranged at a predetermined interval in a lengthwise direction of the rectangular housing in which male and female terminals are arranged in at least one line. The male terminals includes a plurality of male outer conductors each fitted in one of the through holes and having upper and lower inner surfaces extending parallel to a specified plane which extends in the lengthwise direction and in a widthwise direction of the rectangular housing; a plurality of male dielectric blocks each fitted in a rear portion of one of the male outer conductors to define a cavity within the one male outer conductor; and a plurality of male central conductors each projecting into the cavity from one of the dielectric blocks and having upper and lower outer surfaces extending parallel to the specified plane.

Abstract: A method for manufacturing low-cost electroluminescent (EL) lamps is disclosed. The method of the present invention includes the first step of die cutting, embossing or chemically etching a metal foil to form one or more rear capacitive electrodes. Next, the capacitive electrodes are bonded to a paper core stock which is coupled to a precisely positioned indexing system. In the third step, a layer of EL phosphor ink is applied to the capacitive electrodes to precisely form the areas of illumination. In step four, a layer of conductive ITO ink is applied to cover the layer of EL phosphor ink. Next, in step five a transparent polyester film or ultraviolet activated dielectric coating is applied to the entire surface of the lamp. Finally, in step six electrical terminations are provided to the rear capacitive electrode and the layer of conductive ITO ink.

Abstract: A right angle coaxial connector is disclosed which employs a die cast housing in which the center contact of the connector is mounted. The housing has a rearwardly-extending flap, and side walls that are perpendicular to the flap. The side walls have arcuate-shaped forming surfaces thereon over which the flap is bent downwardly to close the rear of the housing.

Abstract: This invention relates to a safe light bulb socket structure mainly used for a C7 or C9 type light bulb. The socket shell of the socket structure according to the invention has an extended thin non-rigid sheet or an extended thin displaceable rib formed on its top and a thin annular appendage integrally molded on the opening at its lower end. When the socket shell is assembled with a light bulb and a socket cap, the thin sheet and the thin annular appendage will fill all leaks at the joining area, producing a watertight effect. In addition, two contact plates are arranged parallel to the electrical wire trench of the socket, with the upper ends thereof piercing into the plastic sheath of electrical wires and the lower ends thereof touching the tip and the ring contacts of the light bulb respectively. With this arrangement, the bad influence of contact plates on the joining of the socket shell and the light bulb, which is frequently found in a prior art socket structure, can be avoided.

Abstract: An electrical connector includes a first female insert having pin engagable ockets and a second female insert having pin engagable sockets. The first insert is in electrical connection with the second insert. The socket inserts are connected via connector pins which are configured to fit within the sockets and between the socket members. The connector pins function to electrically connect the socket inserts and may include a locking extension for locking the pins in the sockets of the female inserts. The connector may also include a protective disk disposed between the socket inserts which envelopes the connector pins and protects them from damage.

Abstract: A waterproof connector (1) comprises: a connector housing (30) having an opening (5) engaged with a mated connector housing; a packing (10) disposed within the opening of the connector housing, for sealing a space between the two mated connector housings, at least one part (10a) of the packing being exposed outside through at least one hole (12) formed in the connector housing; and a protective cover (40) selectively attached to the connector housing from the outside at need, for covering at least one exposed part (10a) of the packing according to the required degree of connector waterproof characteristics. The protective cover is preferably formed of a hard plastic resin and preferably formed with locking elements (48, 50) locked with other locking elements (28, 28a) formed in the connector housing.

Abstract: An electrical connector is provided which includes a first connector housed within an assembly which includes an inner insulator and an outer metal shell, and a second connector. The insulator and the outer metal shell include a plurality of protuberances which engage a plurality of respective openings and abutment surfaces of the second connector to prevent rotational and axial movement of the first connector relative to the second connector.

Abstract: An electrical connecting device having a receptacle and a two part plug inserted into the receptacle. The two part plug includes an inner part for holding a plurality of zero gap insulation displacement connectors and an outer part for receiving a corresponding plurality of insulated wires. The inner part of the plug can be inserted partially or fully within the outer part of the plug. When the inner plug part is in its partially assembled position, the insulated wires can be easily inserted into the outer part of the plug. When in its fully assembled position, the plurality of connectors within the inner part of the plug are in electrical contact with the insulated wires.

Abstract: An electrical connector for sealably mounting into a frame may be manufactured using known low cost, automated processes. Contact elements are sealingly encircled by and extend through an insulating body having a frame abutting surface. A separate shroud interfits with the body at an unsealed shroud junction. A continuous compressible sealing element disposed on a frame abutting surface circumscribes and sealingly isolates an area interior of the compressible sealing element from an area exterior of the compressible sealing element. The shroud junction is entirely within an area interior of the compressible sealing element.

Abstract: An improved ejector mechanism is disclosed in conjunction with a header connector into which an IC pack is loaded and from which it is ejected. The IC pack includes a shell having a vertically extending leading face and at least one row of contacts extending a horizontal distance defining a contact array. A unitary ejecting lever is pivotally mounted to the header connector, with one end of the lever being effective to engage and eject the IC pack from the header connector. A unitary push-rod is reciprocally axially movably mounted on an appropriate support at one side of the header connector. One end of the push rod is engageable with the opposite end of the ejecting lever for pivoting the lever in response to movement of the push-rod. The one end of the ejecting lever engages and ejects the IC pack along a leading face thereof in an area defined horizontally by the distance the row of contacts extends and vertically by the height of the leading face of the memory card.

Abstract: Male and female radio frequency cable connectors 64 and 13 have corresponding circumferential grooves 80 and 44 which are aligned and face each other when the connectors 64 and 13 are in a connected state so as to form a channel. The connectors 64 and 13 are held together by a canted-coil spring 11 residing in the channel formed by the two aligned and facing circumferential grooves 80 and 44. Deformation of the canted-coil spring 11 residing in the channel allows the male and female counterpart RF cable connectors 64 and 13 to resist separation as well as provide a primary electrical contact between the two connectors. If a substantial tensile force is placed on the cables 12 and 85, the spring 11 will deform sufficiently to allow separation of the two connectors 64 and 13.

Abstract: An electrical connecting device having a receptacle and a two part plug inserted into the receptacle. The two part plug includes an inner part for holding a plurality of zero gap insulation displacement connectors and an outer part for receiving a corresponding plurality of insulated wires. The inner part of the plug can be inserted partially or fully within the outer part of the plug. When the inner plug part is in its partially assembled position, the insulated wires can be easily inserted into the outer part of the plug. When in its fully assembled position, the plurality of connectors within the inner part of the plug are in electrical contact with the insulated wires.

Abstract: A pigtail-type takeout on a seismic cable including a molded elastomer Y-body, a pigtail and a multi-contact connector for connecting the end of a geophone string to the cable. The connector body includes a longitudinally split inner tubular portion that is fitted around the cable, and tie wraps are used to encircle and hold the tubular portion tightly around the cable to firmly mount the connector body thereon.

Abstract: An electrical connector is provided for surface mounting along an edge of a circuit board in an edge straddling configuration. The circuit board has a plurality of contact pads spaced along opposite faces of the board near the edge thereof. The connector includes a dielectric housing and a plurality of terminals mounted on the housing with solder tails projecting from the housing generally in two rows to define an elongate board-receiving mouth for receiving the edge of the circuit board. The contact pads are adapted to receive soft solder paste thereon prior to insertion of the board into the mouth between the two rows of solder tails.

Abstract: An adaptor (4) for adapting a domestic cooking apparatus (1) to supply power to a liquid heating vessel (5) having its own heating element is arranged to be received within a well (3) of the cooking apparatus (1). The heating vessel (5) is supported on the upper surface (12) of the adaptor (4). The adaptor has a first electrical connector (18) which releasably engages with the socket connector (20) in the well wall, which normally receives the heating element (2) of the cooking apparatus. A second electrical connector (22) electrically connected to the first connector means is arranged in the upper surface (12) for detachable engagement with the terminal pins (34,36,38) of the vessel (5).

Abstract: An electrical connector assembly has a plug (1) and socket (2) which are engageable along axis (3) for a plug body (34) to be received within a socket body (4) as a tubular core (5) of the socket receives a core (35) of the plug. Spring terminals (13) are located within an annular cavity (7) and blade terminals (31) are located within an annular cavity (36) of the respective socket and plug bodies. Terminals (13) have cantilevered contact faces (18) inclined relative to the axis (3) and the terminals (31) have contact edges (52) which slide over the contact faces (18) to provide electrical contact and a cleaning/wiping action therebetween. Contact faces (18) are displaced inwardly against their resilient biasing by engagement with the contact edges (52) while the terminals (31) are restrained from outward displacement by seatings (42) in the wall (34).The spring terminals (13) and blade terminals (31) are fitted axially to their respective bodies through slots 11 and (38) respectively.

Abstract: Battery clamp including a nut molded into one of the clamping arms and a rotatable bolt with a flanged shaft molded into the other clamping arm. The head of the bolt, flange, and nut provide bearing surfaces for drawing the clamping arms together, or forcing the clamping arms apart, depending upon the rotation of the bolt. The battery clamp is manufactured in a single molding process by pre-threading the nut onto the flanged bolt to a predetermined position, positioning the pre-threaded nut and bolt in one portion of a battery clamp mold, assembling the remaining pieces of the battery clamp mold around the bolt and nut, securing the pieces of the battery clamp mold together, pouring lead or a lead alloy into an opening in the battery clamp mold, quenching the lead filled mold in a liquid bath to accelerate the cooling process, separating the secured mold pieces after the lead or lead alloy cools, and removing the molded battery clamp.