Abstract: A plug connector (10) to be actually mounted on one substrate K1 and a receptacle connector (20) to be actually mounted on the other substrate K2 are provided. The receptacle connector is provided with a housing (22) into which the plug connector is to be inserted ad a plurality of pin terminals (23) arranged in an array to the housing. The plug connector is provided with a plurality of contacts (12) having contact pieces (11) in electrical contact with the respective pin terminals and a housing (13) for holding the respective contacts. A plurality of vertical shield plates (27) are provided between the respective pin terminals in the receptacle connector. A plurality of horizontal shield plate (14) are provided to intersect with the vertical shield plates (27) in a cruciform manner within said plug connector. Slits for advancing the vertical shield plates are formed in the housing of the plug connector and the horizontal shield plate (14).

Abstract: A connector for mounting to a circuit board, includes a housing and a plurality of terminals arranged side by side at the predetermined pitch. Each terminal includes a flat base portion, a pair of contact members formed from a continuous folded-back portion that is folded back to one side of the flat base portion, and a carrier coupling section that is bent at substantially right angle to the opposite side of the flat base portion. The housing holds the terminals by an over-molding of the housing around the flat base portions of the terminals to form a generally flat plate-like housing. The pair of contact members of the terminal extends toward one surface of the dielectric housing and the carrier coupling section extends toward the other surface of the housing.

Abstract: A helical antenna element is made by stamping a helical antenna base shape from a sheet of metal and pressing a plurality of sub-elements within the helical antenna base shape to form a helical antenna element. The helical antenna base shape includes the plurality of sub-elements, a plurality of joining pieces and at least one carrier strip. The helical antenna element may be further made by molding an insulating resin around the helical antenna element. Moreover, prior to molding the insulating resin, a ceramic cylinder may be inserted within the helical antenna element to insure the integrity of the semi-circularly pressed sub-elements. The carrier strip(s) are then removed from the joint pieces, producing the helical antenna.

Abstract: A flexible printed circuitry member includes an elongated flexible insulating substrate with a plurality of signal conductors extending longitudinally along one side of the substrate. A grounding grid having a substantially random geometric pattern is disposed on the opposite side of the substrate.

Abstract: A FFC includes an insulating sheet having a first surface and a second surface. The FFC further has a plurality of first conductive groupings disposed on the first surface and extending in a longitudinal direction of the insulating sheet, each of the plurality of first conductive groupings includes a conductor disposed between a first ground and a second ground. The FFC further has a plurality of second conductive groupings disposed on the second surface and extending in a longitudinal direction of the insulating sheet, wherein each of the plurality of second conductive groupings includes a third ground. Moreover, each of the first conductive groupings is disposed at a first position relative to each of the second conductive groupings on the first surface and the second surface of the insulating sheet.

Abstract: Disclosed is a low-profile receptacle connector for use in making a required electric connection between an integrated circuit package and a printed circuit board. The receptacle connector includes a terminal housing part to be sandwiched between the integrated circuit package and the printed circuit board, and the terminal housing part has terminals embedded therein. Each terminal comprises a flat trunk and at least one cantilever-like contact arm integrally connected to its flat trunk. The terminals are arranged with their flat trunks parallel to the plane of the terminal housing part, and is supported by the terminal housing part by allowing the mold to overhang the opposite lateral and longitudinal edges of the trunk of each terminal.

Abstract: An improved electrical connector has a series of terminals arranged in two parallel rows in the connector housing, with the terminals being separated into upper and lower levels. The tail portions of the upper terminals have intermediate portions that are bent down to descend obliquely from the rear side of the connector housing while the tail portions of the lower terminals have corresponding intermediate portions that are bent up to rise obliquely from the rear side of the connector housing. The intermediate portions of the upper and lower rows of terminals meet with the solder tail portions of the tail portions along a common length so that the tail portions of both upper and lower rows have the same electrical length. The intermediate portions of both rows of terminals are also tapered, or flared along their length so that they have a larger surface area where they exit the connector housing than where they join to their associated solder tail portions.

Abstract: A right-angle coaxial connector is provided, which can eliminate a possibility of the electric short circuit, which is excellent in mass production applicability, and which can be manufactured with low cost. The right-angle coaxial connector includes a coaxial plug 10 provided at an end of a cable 1, and a coaxial receptacle 20 electrically connected to the coaxial plug by inserting the coaxial plug therein. The coaxial plug 10 includes a plug main body 11 made of an insulative resin, and a plurality of pin type terminals protruded from a surface of the plug main body. The pin type terminals are divided into one signal terminal 12 and a plurality of ground terminals 13 disposed around the signal terminal. The ground terminals 13 are preferably arranged such that distances between adjacent ground terminals are set to be equal to one another.

Abstract: An electrical connector for a PGA package is provided for reduction of the height thereof. The electrical connector includes a base in which a plurality of terminal receiving cavities are adapted for receiving pins of the PGA package. A plurality of terminals are mounted within each of the terminal receiving cavities, and a cover is slidably mounted on the base housing. The cover includes an array of through holes adapted for insertion of the pins. The cover includes both sheet metal and insulative components.

Abstract: An electrical connector for a PGA package is provided for reduction of the height thereof. An electrical connector for a PGA package comprises a housing board in which a plurality of contact holes adapted for receiving pins of the PGA package formed in grid array fashion, a plurality of terminals mounted within each of the contact holes, and a cover in which through holes adapted for insertion of the pins are formed in grid array fashion, and slidably provided on the upper side of the housing board. Each of the terminals is located within contact holes, and formed by independently arranging respective spring contact adapted for electrical engagement with the pin and engaging piece engaged under pressure from a bottom surface of the housing board in parallel.

Abstract: A socket for a pin grid-array package includes a base housing having terminals arranged in the same grid pattern as the lead pins of the pin grid-array package and a cover mounted on the base housing for slidable movement relative to the base housing. The cover has through holes therein for receiving the lead pins of the pin grid-array package therethrough. The cover is movable relative to the base housing between a first, pin-insertion position and a second, contact-engagement position. An actuator for the socket may include structure to stop rotation of the actuator and permit insertion of the actuator into the socket only when the actuator is positioned in certain angular orientations.

Abstract: A flexible printed circuitry member includes a generally planar dielectric substrate. First and second pseudo-twisted conductors are disposed on opposite sides of the substrate and extend longitudinally in a pattern of twist sections between crossover points whereat the conductors cross over each other separated by the dielectric substrate. The crossover points define a centerline with the first and second conductors reversing each other on opposite sides of the centerline at each crossover point. The twist sections between crossover points along the centerline are of randomly differing lengths.

Abstract: Disclosed is an improved receptacle contact 1 having first and second contact springs 2 and 3 defining a plug-insertion space 4 therebetween. In the stamped blank the first contact spring 2 includes a straight piece integrally connected to an elongated stem piece 8 and the second contact spring 3 is the handle portion of a crank-like piece 5 whose rod-like piece 10 is integrally connected to the elongated stem piece 8 extending parallel to the first contact spring 2.The arrangement permits a significant reduction of contact-to-contact intervals and results in reduction of punching and assembling operations.

Abstract: An electrical connector having enhanced grounding characteristics utilizes an insulating housing with a plurality of conductive terminals mounted inside, and a metal grounding shield covering the connector housing. The grounding shield has at least one grounding lead piece formed integrally therewith and bent inwardly. The grounding lead extends into contact with a selected terminal inside of the connector to thereby function as a grounding terminal to provide a convenient grounding path in close proximity to the grounding circuit when high-frequency current signals are induced in the grounding shield.

Abstract: An electrical connector with enhanced grounding characteristics which reduce the possibility of signal transmission error includes a connector housing formed from an electrically insulative material, a plurality of conductive terminals mounted on the connector housing, the terminals having tail portions which extend out of and away from the connector housing for attachment to a printed circuit board. A conductive grounding plate, in the form of a metal shield, is mounted to the exterior of the connector housing The grounding plate incudes at least one grounding terminal integrally formed therewith at extending outwardly therefrom at the level of the connector conductive terminals in a space between two adjoining conductive terminals.

Abstract: A shielded circuit board connector has an interior insulative connector housing with conductive terminals supported thereon. An exterior metal shell is fitted over the connector housing and partially encloses the connector housing and its associated terminals as well as partially defines a mating end of the connector for accommodating an opposing connector. The exterior shell includes a formed metal piece that has a top wall, two opposing sidewalls and two engaging bottom wall portions. A rear wall is formed with the top wall and is bent therefrom to cover the rear part of the connector housing, The rear wall of the exterior shell further includes two side wings that overlie the sidewalls of the shell when the shell is applied to a connector housing. Two pairs of mounting legs are formed on the shell for securely mounting the connector to a circuit board.

Abstract: A connector includes metal shield connecting means that improves the reliability of the connection between the connector and another connector. The connector includes a connector housing having a plurality of conductive terminals mounted therein, and a projection extending from the connector housing that encircles the terminals extending from the terminals. A metal shield surrounds the projection and includes connecting means to make a required electric connection with the metal shell of a mating electric connector. The connecting means includes at least one engagement member disposed in at least one recess formed in the projection. The engagement member has one or more contact portions that extend up through apertures formed in the metal shield.

Abstract: A flat flexible electrical cable includes a pair of pseudo-twisted conductors on a flexible dielectric substrate. Each conductor includes alternate straight and oblique sections. The straight sections of the conductors are generally parallel to each other and of uniform width. The oblique sections of the conductors cross each other at a crossover point. Each oblique section of each conductor is reduced in width uniformly in a direction from the straight-to-oblique transfer point of the respective conductor to the crossover point of the conductors.

Abstract: A low profile, surface mount printed circuit card connector includes a housing having a longitudinal card receiving slot therein. The housing includes first and second terminal receiving cavities which are disposed in a staggered relationship on opposite sides of the slot first and second terminals are disposed in the cavities and include solder tail portions which extend out of the cavities for connection to a circuit board. The terminals further include contact portions which extend out of their respective cavities into the housing longitudinal slot.

Abstract: An insert and rotate edge card connector has a latching mechanism which includes a body portion held in a preloaded state within an end of an elongated connector housing. The latching mechanism includes a latch member having a rounded portion which engages the lateral ends of a circuit card. The latch member also includes a pair of retention arms which extend over the rounded portion to engage the circuit card in a plane different than that of the rounded portion.