Abstract: An electrical connector receptacle for allowing connection of electronic apparatus contained within a shielded enclosure to a multi-conductor wiring harness using a plug having a plurality of male pins arranged in a grid pattern is shown in which the connector receptacle includes a conductive connector receptacle shell defining a housing cavity having open front and rear faces dimensioned to receive the plug when inserted through the open front face. A multi-coplanar capacitor (MCC) layered structure having a front and a rear surface is connected with its front surface facing the rear surface of the connector receptacle and having a plurality of socket contacts arranged to receive the connector pins of the male plug. Separate individual pin planes define the MCC system each associated with a pair of ground planes connected to a common chassis ground.

Abstract: An adapter including a front and rear conductive portion separated by a filter device and a non-conductive support, through which an RF-type cable connector can be inserted and mounted on a receiving connector on an external device. Because the conductive portions of the adapter are isolated from the panel by means of the disc capacitor, all DC ground currents are prevented from passing through the filtering device, effectively isolating the shell of the panel on which it is mounted, while all AC currents are passed through the filtering device to the panel on which it is mounted, effectively grounding any undesired radiating signals and preventing interference. The adapter can be supplied as a single unit which is simply inserted over the connector body before panel mounting.

Abstract: A semiconductor integrated circuit comprising a semiconductor chip provided within a package, inner leads connected to the semiconductor chip, and a high-frequency noise filter connected to the inner leads. The semiconductor chip includes a high-frequency circuit. Thereby, this semiconductor integrated circuit prevents an around circuit from being damaged by high-frequency noise generated from the high-frequency circuit, without installing the noise filter around the semiconductor integrated circuit.

Abstract: A transient suppression connector includes a plurality of contacts each of which carries both a negatively and a positively biased diode. The connector also includes negative and positive bias voltage input pins and a grounding arrangement including a respective common diode for the negatively and the positively biased contact diodes.

Abstract: A magnetic core for a signal line filter adapted to be assembled in a terminal connector for a signal line cable for connecting electronic devices to form a signal line filter, wherein the magnetic core is provided with pin insertion holes each having a tapered portion in the direction of thickness of the magnetic core, or tapered portions at both sides in the direction of thickness of the magnetic core.

Abstract: A planar filter array includes a single monolithic alumina substrate having a plurality of counter bores on each side connected by central bores to form passages for insertion of connector pin contacts. The connecting bores contain ferrite beads and the counter bores contain discoidal capacitors which sandwich the ferrite beads to form pi filter circuits for filtering the pin contacts. Grounding electrodes on the discoidal capacitors are soldered to a grounding layer or traces on the substrate to provide a ground path for the fiters.

Abstract: An electrical filter connector comprises a metal shell (10,18) in which is secured a dielectric housing (8) having electrical contacts (6,6',6") secured therein, a filter member (30,50,70) electrically connected to the metal shell and having a plate member (34,52,72) provided with a multiplicity of through holes (32,54,74) with capacitors (42,56,80) at each through hole, and post members (6a,6a',6a") of the contacts disposed in the through holes and electrically connected to the capacitors thereat.

Abstract: An electrical connector assembly includes a first insulative housing (12) which defines a plurality of first passages (14) extending therethrough for receiving corresponding electrical conductive members (22). The first insulative housing (12) also defines a corresponding number of apertures (42) thereof for receiving electrical filtering components (30), such as a TVS chip, and each apertures (42) is parallel to and communicates with one side of the first passage (14). A second insulative housing (16) defines a plurality of second passages (38) corresponding to the first passages (14) of the first insulative housing (12) for receiving the same conductive members (22), and also defines a corresponding number of cavities (40) thereof for receiving conductive bridge members (34).

Abstract: The invention improves assembly efficiency by allowing an increased amount of assembly work to be automated. The noise suppressing connector incorporates a capacitor array having a plurality of individual electrodes arranged on the surface of a dielectric material and an earth electrode at the back; a plurality of lead terminals each having input/output portions and an intermediate portion, the intermediate portions being placed in contact with individual electrodes, said intermediate portions and the capacitor array being molded together within an insulating resin; and a metal housing connected with the earth electrode and adapted to accommodate and hold the molded resin block. An earth plate may be interposed between the earth electrode and the metal housing. Solder loading grooves may be provided to the metal housing at positions facing the earth electrode or earth plate to connect the earth electrode or earth plate with the metal housing by solder.

Abstract: A filter connector comprising a housing made of insulating material, an earth plate fitted to the housing, which earth plate has an engaging portion to be engaged with a circuit board, and a signal transmitting pin fitted to the housing, which pin has a filter element electrically connected with the earth plate. The earth plate is connected directly with a ground conductor on the circuit board, and the engaging portion prevents the connector from separating from the circuit board.

Abstract: Disclosed is a modular jack to be mounted on a circuit board, and the modular jack has a printed board containing a noise suppressing electronic element in a housing. The printed board is fitted with contactors for contacting with plugs and terminals to be used for mounting the modular jack on the circuit boad. The contactors and the terminals are electrically connected with the noise suppressing electronic element by wires on the printed board.

Abstract: A filter connector comprising a filter unit and a metal frame for releasably mounting said filter connector to the metal chassis of electrical apparatus. The mounting frame is formed of electrically conducting material, comprising a flat base plate with feed-through apertures for the contact elements and is provided with resilient mounting lips which project relative to said base plate for latchably mounting the filter connector in a self-latching manner on a chassis.

Abstract: A multilayer circuit board (200) providing a feedthrough filter having metallized via (234) having input and output ports (232, 226) which are coupled to metallized areas (206, 214). Each of the metallized areas (206, 214) being opposed by ground planes (202, 210, and 218) which are separated from the metallized areas (206, 214) by dielectric layers (204, 208, 212, and 216) forming a reactive coupling between the metallized areas (206, 214) and the ground planes (202, 210, and 218). The multilayer circuit board as employed in the present invention, may be advantageously utilized in a variety of applications where multilayer circuit boards require attenuation of unwanted RF signals.

Abstract: A multiway connector assembly comprising a tubular metal outer casing, a plurality of electrical lead-through terminations which extend through the outer casing, the terminations being coupled to respective pi-section filters, each of which is formed by two annular discoidal capacitors separated by a tubular inductive element. The outer electrodes of the capacitors of the pi-section filters are connected to metal earth planes which are held in the outer casing by a first releasable retention clip such as to be in electrical connection with the casing. The inner electrodes of the capacitors are connected to associated ones of the terminations by way of respective contact clips which enable relative displacement of the capacitors and terminations for purposes of assembly and disassembly.

Abstract: An adapter including an insulating, three shouldered adapter having a filter device disposed in a channel formed therein. When inserted between a RF-type cable connector and a panel mounted receiving connector, the adapter effectively isolates the shell of the connector from the panel and insures that all ground currents must pass through the filtering device. The configuration of the shoulders allows the adapter to be used with all standard cable connectors designed for panel mounting.

Abstract: This invention relates to a hermetically sealed electronic component package and method for making the package. In one embodiment of the invention, the electronic component is mechanically and electrically attached to the package by heating rings of brazing material. In another embodiment of the invention, an insulative, inorganic preform is heated to mechanically attach the electronic circuit within the package housing. The package is then hermetically sealed by mounting a preform within an electronic component package and heating the combination to a second predetermined high temperature to cause the preform to flow.

Abstract: A solderless, feedthrough radio frequency filter has plates with individual openings for a plurality of physically parallel, elongated conductors. To provide capacitance, the plates are constructed of electrically conductive material and the conductors covered with dielectric material where they pass through the openings. To provide inductance, the conductors are circumscribed by sets of ferrite beads adjacent to the plates. The filter may be tuned capacitively by selecting the plate thickness and tuned inductively by selecting the configuration of the beads. More complex filters may be constructed by using a plurality of plates, including nonconductive plates, and a plurality of bead sets spaced along the conductors.

Abstract: A filter electrical connector comprises a dielectric housing (12), a metal shield case (13) covering the outside of the housing (12), aligned holes (21, 24) in rear walls (18, 19) of the housing (12) and the case (13), capacitors (14) secured in the holes (24) of wall (19) of case (13) and disposed in larger sections (22) of holes (21) in wall (18) of housing (12) without engaging the walls thereof, and electrical contacts (15) having contact sections (15a) extending through the capacitors (14) and extending through smaller sections (23) of the holes (21) without engaging the walls thereof and into housing (12). Post sections (15b) of the contacts (15) extend exteriorly from the rear wall (19) of case (13) and extend through apertures (26) of an inductor (16).

Abstract: A connector, comprising an elongated body (1) of electrically insulating material, which has at its ends elements (6) for fastening the connector, and which carries several contact elements (2) of electrically conducting material. When assembled, one or more of the contact elements (2) being connected to an electrode (14) of one or more filter elements formed on a substrate (12), another electrode (15) of which is connected to a screen of electrically conducting material partially enclosing the contact elements (2). Said screen comprises a first frame-type cover (16) which is made up of two halves (18) and encloses the contact ends (3) of the contact elements (2), having lips (20) which project in the direction of the connection ends (4) of the contact elements (2), and to which said other electrode (15) of the filter elements is connected.

Abstract: A contact assembly for installation in an electrical connector, provides effective electromagnetic filtering in a simple, compact, and rugged construction that facilitates in-field replacement of a damaged contact assembly. The contact assembly includes a signal conductor, a diode for diverting high voltages on the signal conductor to ground, and a "pi" filter for filtering out unwanted frequencies. The "pi" filter includes a ferrite bead inductor coupled to the signal conductor and a first capacitor coupling a location of the signal conductor on a first side of the inductor to ground. The other capacitor of the "pi" filter is formed by the capacitance of the diode, with the diode connected to a signal conductor location on a second side of the inductor, and with the capacitance of the diode similar or equal to that of the first capacitor.

Abstract: A filter assembly 40 for an electrical connector 94 includes a plurality of terminal subassemblies 42 having a terminal member 44 and a plurality of filter component members 52, 60, 68 mounted thereon. The subassemblies are disposed within respective apertures of a dielectric substrate member. Each terminal member has first and second connecting portions 46, 48 and extending intermediate filter receiving portion 50 therebetween. The components are mounted on terminal member 44 such that the first and second component members 52, 60 are electrically connected to respective first and second terminal connecting portions and the third member 68 is disposed therebetween.

Abstract: An improved filter assembly (10) for filtering RFI/EMI in printed circuit boards is disclosed, together with methods of manufacture thereof. A filter sleeve (16) is carried by an outer leg (11) of the filter assembly and is substantially parallel to the respective legs (11, 12, 13) thereof, thereby providing a compact structure for improved circuit miniaturization. The filter assemblies are encapsulated with a suitable insulating material (17). The respective filter assemblies (10) are made in a continuous strip, suitably stamped, and broken off as desired by the user. In a further embodiment, the respective filter assemblies are made from a continuous wire, suitably bent and formed, and cut off as desired.

Abstract: A thick-film high frequency signal circuit apparatus with a feedthrough capacitor. The apparatus includes a thick-film circuit in which a high frequency signal circuit is constituted on a substrate in a thick-film configuration, a shielding case for housing the thick-film circuit therein, a feedthrough capacitor constituted on one surface of the substrate in the thick-film configuration and a terminal for transmitting signals between the thick-film circuit and a circuit outside the shielding case, the terminal having a first end coupled to the thick-film circuit through the feedthrough capacitor and a second end protruding outside the shielding case through a hole defined therein.

Abstract: An improved construction of a through-type capacitor suitable for used with a magnetron is disclosed. The through-type capacitor comprises a dielectric member formed with a through hole at the center thereof, a central conductor inserted into the through hole, and electrodes formed on the outer peripheral surface of the dielectric member and the inner peripheral surface of the through hole. The electrode on the inner peripheral surface of the through hole is connected by solder to the central conductor. The central conductor and the dielectric member have a portion free of solder therebetween in which the solder is expandable.

Abstract: An in-line filtering device for a telecommunications line having an insulation displacement connection member located within a channel formed in a dielectric housing. The connection member is devoid of a wire terminal. A ground line is connected to the connector member, the ground line including a radio frequency filter. The channel is open-ended at both ends to allow an insulated conductor wire to pass, without a break in the wire, completely along the channel and out from both ends with the conductor wire electrically connected to the insulation displacement connection member.

Abstract: A radio frequency suppression device is adapted to provide a current path having no solder joints disposed in series therewith as well as no components prone to fail in an "open" mode. The R.F. suppression device is adapted to continue to provide power to critical systems such as an automotive fuel pump, even in the event of failure of the R.F. suppression circuit.

Abstract: A filtered electrical device 10 for being secured externally to an electrical article such as an electrical connector and electrically engageable to circuit paths thereof comprises a plurality of contact members 12, a housing member 40 having a plurality of filter receiving apertures 48 therein, a plurality of filter receiving apertures 48 therein, a plurality of filter members 54 disposed in the apertures 48 and electrically connected to the contact members 12 and a ground means. The contact members 12 have first and second contact portions 14, 24, the first contact portions 14 being secured in the housing 40 and engageable with corresponding contact sections of the elctrical article to which the filtering device 10 is secured. The second contact portions 24 are exposed along a bottom surface 50, of respective apertures 48 and are paired with and spaced from third contact portions 30 which are also exposed along a bottom apertures surface 50.

Abstract: A chip-like LC filter which comprises a cylindrical magnetic element having a through hole, a cylindrical capacitor element having a through hole and terminal electrodes formed on inner and outer peripheral surfaces thereof, and a central conductor inserted in the through holes of the magnetic element and the capacitor element aligned in the axial direction. The terminal electrode on the inner peripheral side of the capacitor element is electrically connected with the central conductor. Flange-shaped external terminal members are respectively provided on both end portions of the central conductor, so that the magnetic element and the capacitor element are located between the external terminal members.

Abstract: A filter connector device formed by combination of a male connector and a female connector. When the male connector and the female connector are engaged with each other, male connector pins and female connector pins are connected with each other. A filter circuit is formed by a plurality of elements including at least one capacitor and at least one inductor in cooperation with each pair of male and female connector pins thus connected in series with each other, and the plurality of elements forming such a filter circuit are dividedly provided in the male connector and the female connector.

Abstract: An electrical terminal having electrical circuit components mounted in series thereon comprises a body section having terminal sections extending outwardly from each end, the terminal sections being adapted to be electrically connected to complementary conductive means of other respective electrical articles. The body section includes at least one component-receiving portion having a first section and a second section initially integrally joined by a severable section. A dielectric housing means is secured to the body section, the housing means having a component-receiving aperture therein associated with each of the component-receiving portions, the first and second and severable sections initially being exposed along a bottom surface of the aperture. The housing means is adapted to permit severing of the several section, thus electrically disconnecting the associated first and second sections.

Abstract: An electrical connector assembly having means for protecting its contacts from adverse voltage surges includes protectively terminating one terminal of a silicon diode within a notch formed in the contact and the other terminal with a conductive sleeve encircling the contact body but spaced therefrom. The conductive sleeve is in releasable engagement with a plurality of conductive spring fingers which are integral with a conductive grounding plate whereby a ground path is established between the connector shell and the contact without stressing the diode or its terminations.

Abstract: A magnetron with a filter case housing a through-type capacitor and a choke coil wherein a mounting plate for the capacitor is fixed in intimate contact with the wall of the filter case along a line encircling a through-hole drilled in the wall of the filter case for drawing out the terminals of the capacitor.

Abstract: A sealed filter member comprises a filter body means having selected first and second surface portions, the first surface portions defining discontinuities between and surrounding the second surface portions; a dielectric polymerizable material polymerized on and adhered to the selected first surface portions defining sealed surface portions and plating material disposed on the second surface portions defining plated surface portions. The plated surface portions comprise electrically discontinuous electrode means. The polymerized dielectric material both excludes plating material from the sealed surface portions during plating and permanently seals the filter body means at the sealed surface portions. The polymerized dielectric material is resistant to solder and solvents and excludes solder and solvents from the sealed surface portions. A process for making the sealed filter members is also disclosed.

Abstract: A noise eliminating filter is incorporated in the circuits of electronic equipment to eliminate unwanted signals by grounding such signals. The filter includes a tubular metal casing, capacitors and a magnetic material housed within the casing, and a terminal passing through the capacitors and magnetic material. Capacitor housings are provided at both axial ends of the metal casing. A magnetic material housing which is smaller in diameter than each capacitor housing is formed between the capacitor housings and a feedthrough terminal is inserted through the capacitors contained in both the capacitor housings and the magnetic material contained in the magnetic material housing. The capacitors, which are to be incorporated in the housings at both end portions of the casing are made tubular and equal in diameter, thereby enabling the metal casing to be compact and enabling the capacitors to be standardized.

Abstract: The invention provides a tubular filter having end caps which deform on insertion into a tubular ceramic capacitor to engage snugly within the capacitor and about a central lead to provide support for solder plugs melted into the ends of the filters.

Abstract: The invention relates to a device for filtering a high-frequency conductor from a high-frequency space by a capacitor (71). The filtering capacitor (71) is in the form of a chip capacitor and is secured to a circuit board (1). A first contact surface (73) of the chip capacitor (71) is electrically contacted by soldering with the separation wall (19) closing the high-frequency space. The conductor (77) to be filtered is passed along a second contact surface (75) of the chip capacitor (71) so as to be electrically contacted by soldering along a largest possible surface. The conductor (77) to be filtered can be in the form of a planar conductor. The invention is applicable in particular in audio and video tuners.

Abstract: A filtered electrical connector for connection to a complementary electrical connector is disclosed. The connector is comprised of a dielectric housing means having a plurality of terminal receiving passageways therein; electrical terminal means disposed in the terminal receiving passageways, the terminal means being terminated onto electrical conductor means; filter means electrically coupled to the conductor means; grounding means electrically coupled to the filter means; and conductive housing means for receiving the dielectric housing means. The conductive housing means is electrically connectable to the grounding means. In accordance with the invention, the filter means may be tubular sleeve members or a monolithic planar filter member.

Abstract: A noise filter wherein a glass plate is fixedly provided in hermetic condition in a metal casing through which a central conductive member passes, a magnetic core is inserted into said central conductive member at one side of said glass plate, a pair of capacitors are respectively passing through the central conductive member at the side of said magnetic core and at the other side of said glass plate, and an insulative resin is filled at least in the opening side of the metal casing.

Abstract: A filter adapter for a connector plug mounted to an inner surface on electromagnetic interference shielding enclosure wall and including a plurality of connector pins. The adapter may be inserted between the connector plug and the enclosure wall to engage each of the connector pins passing therethrough and establish an electrical connection between the pin and the enclosure wall through an electromagnetic interference reducing capacitor, this without the necessity of introducing additional electrical contact points in the conductors as they pass through the enclosure wall.

Abstract: A stamped and formed terminal is disclosed as a replacement for the previously used screw machine terminals. The subject terminal is cheaper and easier to produce. It provides an aperture to prevent undesired wicking of solder into the terminal during soldering of the filter sleeve to the terminal and a shoulder to provide correct positioning of the filter sleeve on the terminal.

Abstract: A filter contact comprising an electric contact in the form of a metal rod surrounded by a filter element of tubular shape. The external face of the filter element is fitted with a first electrode and the internal face of the filter element is fitted with a second electrode which is connected to the electric contact, the two electrodes being isolated from each other. The filter element of tubular shape is constituted by a tubular varistor in which the second electrode has an extension on at least one lateral electrode face having a zone of rounded shape such that coating in this zone with an electrode paste known per se produces a deposit of substantially constant thickness.

Abstract: A solderless filtered connector is formed by a first housing of insulative material defining a plurality of filter passages, with resilient tines at least at one end of each passage. The first housing is plated with a conductive material to form a ground plane. Each filtered terminal is formed by a pin terminal having a compliant portion which engages an inner conductive surface of a respective filter sleeve, a filter locating shoulder and oppositely directed mating ends. Each filtered terminal is mounted in a respective passage with the tines making a resilient contact with the outer conductive surface of the filter. The connector can also include a second housing and front insert to enclose the filtered terminals and a metal shell for mating purposes.

Abstract: A high frequency interference suppression device comprising a line to line filter which is adapted to be mounted in a metal bulkhead such that both lines are electrically isolated from the bulkhead. The filter comprises a feed-through capacitor whose outer tubular electrode is soldered to the inner periphery of a metal sleeve. The other, inner electrode is isolated from the sleeve. The metal sleeve is adapted to be mounted in an aperture in a bulkhead by means of an insulating bush so that decoupling of interference currents can occur from one line to the other at the bulkhead without connecting either line to the bulkhead itself. By this means, no interference currents are introduced to the bulkhead, or within the bulkhead enclosure via stray capacitances.

Abstract: An apparatus is disclosed which presents a high impedance to unwanted RF signals which may be otherwise coupled to jumper wires which traverse the boundary between RF shielded areas. Specifically, a conductor for connecting two circuits separated by a shield wall is surrounded by a ferrite material which is positioned to extend through an aperture of the RF shield.

Abstract: A connector is described which holds many contacts, and which can provide a direct ground connection to a contact, or provide a capacitive coupling between the contact and ground, in a rugged and simple construction. The connector includes a thick metal grounding plate attached to a metal shell that forms most of the outside of the connector. A dielectric layer lies on a face of the grounding plate and is covered by a metal overlayer to form a capacitor. A pin contact is connected to the overlayer by means of an insulator which has a plated-through hole engaged with the pin contact. The insulator also has a plated surface in facewise contact with the overlayer, to provide a capacitive coupling between the pin contact and the grounding plate. The grounding plate can have a hole plated with a softer material, and another pin contact can displace some of the softer material to lie in good contact with the grounding plate.

Abstract: An electrical connector containing removable contacts upon which there are mounted electrical circuit components. One or more such components may be mounted on the side of each contact body. A spring provides electrical connection between the components and the grounding plate in the connector containing openings into which the contacts are removably mounted.

Abstract: A noise filter includes a capacitor having first and second electrodes, first and second terminal legs extending from the first electrode, and third and fourth terminal legs extending from the second electrode. The first and second terminal legs adapted for the path of electric signal, and the third and fourth terminal legs adapted for the path of ground level. The noise filter further includes first and second tubes mounted on the first and second terminal legs, respectively, and third and fourth tubes mounted on the third and fourth terminal legs, respectively. Each of the first, second, third and fourth tubes is made of a magnetic material, whereby high frequency noise signals can be filtered when signals pass through the noise filter.

Abstract: A RF-EMI filter for circuit boards is formed by a through pin terminal having a filter sleeve mounted thereon and a ground pin with an eyelet portion formed about the filter sleeve with a leg depending normal to the axis of the sleeve. The ends of the through pin are formed parallel to each other and to the ground pin leg. The filter sleeve, and its immediate environment, are encapsulated in an insulative material. The thus formed three legged filter can be applied to a circuit board along with the other components to be fixed thereto.

Abstract: A noise filter (17) comprising a plurality of cylindrical capacitors (12) having a throughgoing hole (13) for receiving a connection pin (20) of a connector (18). The inner peripheral surface of each cylindrical capacitor (12) is formed with an inner electrode (14) for electric connection to the connection pin. The outer peripheral surface of the cylindrical capacitor (12) is formed with an outer electrode (15). The plurality of cylindrical capacitors (12) are bunched with their outer peripheral surfaces contacting with each other, their outer electrodes being electrically connected together.

Abstract: This invention provides a filter pin connector having two capacitor disc assemblies, each with a plurality of openings receiving the connector pins and held within a connector shell. Each capacitor disc includes a plurality of laminations of conductive material formed by providing conductive ink on layers of ceramic tape which are fused together to form a unit. The laminations are in two sets and alternately arranged to provide opposed capacitor plates. The laminations of one set are connected to the pins and those of the other are connected to the shell.