Abstract: A substantially light-insensitive monosheet thermographic recording material comprising a support and on one side of said support a thermosensitive element, wherein said thermographic recording material contains at least one compound represented by formula (I): wherein M is hydrogen, an alkali atom or an ammonium group; R1 is an alkyl, alkenyl-, alkynyl-, thioalkyl-, thioalkenyl- or thioalkynyl-group in which the alkyl-, alkenyl- or alkynyl-group has 6 to 25 carbon atoms; X is —O—, —S— or —N(R2)—; and R2 is hydrogen, a —(CH2)mSO3M group or a group; and m is an integer between 1 and 5.

Abstract: An insulator has a base surface extending along a flat plane, a first insert portion defined by the base surface and adapted to receive a first connection object therein in a first direction parallel to the base surface, and a second insert portion placed parallel to the first insert portion on the flat plane and adapted to receive a second connection object therein in a second direction which is parallel to the base surface and different from the first direction. The conductive member has a first contacting portion disposed over the base surface and adapted to be brought into contact with the first connection object in a third direction perpendicular to the flat plane, a second contacting portion disposed in the second insert portion and adapted to be brought into contact with the second connection object in the third direction, and a base plate portion connected to the first and the second contacting portions and fixedly held by the insulator.

Abstract: An electrical connector (10) for a circuit board (P1) includes a fixing member (20) having a first housing (21) with a mount face facing to the circuit board and at least one fixing piece (25) for fixing the first housing to the circuit board, and a connection member (30) having a second housing (32) with a mount face facing to the circuit board and a plurality of terminals (33) connected with circuit traces of the circuit board. The connection member is supported by the fixing member by a bottle neck such that the second housing is spaced from the first housing.

Abstract: A computer system employing redundant power distribution. A computer system includes power distribution boards arranged to distribute power such that the computer system may continue to operate if there is any single point of power failure. The computer system includes a first plurality of circuit boards, a plurality of switch circuit boards and a first and second power distribution board. The plurality of switch circuit boards may be coupled to the first plurality of circuit boards and may convey address and data information between the first plurality of circuit boards. The first power distribution board and the second power distribution board may be coupled to independently distribute power to each of the first plurality of circuit boards. At least two of the first plurality of circuit boards may be coupled to independently distribute power to each of the plurality of switch circuit boards.

Abstract: The present invention is directed to a connector device for card, which can easily take out plural kinds of cards of different shapes mounted in a predetermined mount position. The connector device 1 for card according to the present invention comprises a housing 2, and a card insertion opening 2a for inserting a first wide and thick card 15 and a second narrow and thin card 16 into the housing 2, wherein the housing 2 is provided with a first ejection mechanism for ejecting the first card 15 inserted into the housing and a second ejection mechanism for ejecting the second card 16, and the second ejection mechanism is movable to a position which does not interfere with the insertion of the first card 15 when the first card 15 is inserted.

Abstract: A zero insertion force mount for fixing and making contact with circuit subassemblies on a substrate has a plurality of holding devices for holding the circuit subassemblies and a zero insertion force device (ZIF mechanism), in a stressed state of the zero insertion force device. The circuit subassemblies are disposed in the holding devices being fixed by a pressing force exerted via the contact elements.

Abstract: A socket comprises a socket body having a bottom surface at which the socket can be mounted to a motherboard, a top surface, and several side surfaces. The top surface has an array of electrical contacts at which a package containing a microprocessor can be coupled to the socket. One or more of the side surfaces have a slot, which includes an electrical interface at which a circuit card containing cache memory for use by the microprocessor can be removably inserted into the socket body parallel to the motherboard.

Abstract: A connector is described for fixing a plurality of switching assemblies on a substrate. The connector is also for making contact with the plurality of switching assemblies, which have compatible interfaces. The connector has a plurality of receptacle devices with contact elements and internal contact connections between corresponding contact elements, as a result of which, the length of the connections between the switching assemblies is reduced, signal propagation times are shortened and a higher clock rate for operating the switching assemblies is made possible.

Abstract: An electrical connector includes an insulation housing, conductive terminals, first spring arms, second spring arms, solder legs, a circuit board and several retaining portions. A memory card slot is formed in the housing which adapted to receive the flash memory cards of different types. Each conductive terminal includes a spring portion and a solder portion. The solder portions of the conductive terminals and the solder legs are disposed on the lateral of the housing of the electrical connector. The solder portions of the conductive terminals are soldered on a main board for conducting the electronic signals between the flash memory cards and the main board. The solder legs are soldered on the main board to connect the circuit on the circuit board with the main board for transmitting the electronic signals between the flash memory cards and the circuit board.

Abstract: A contact terminal includes a card connecting section for electrically connecting with a contact pad of the elongate type memory card while being in contact with the contact pad, a cable connecting section for electrically connecting with the electrode pad of the flexible flat cable while pinching the electrode pad, and a fixing section for coupling the card connecting section with the cable connecting section.

Abstract: A stacked card connector includes a base, a row of first terminals, a row of second rear terminals, and a row of second front terminals. The base is formed with a first slot and a second slot for receiving a first card and a second card which are inserted into the slots along the same direction. The first and second terminals are located in the first and second slots to contact the first and second cards, respectively. The second terminals have arced contacts flush with each other, pins extending out of a bottom surface of the base from a side opposite to an insert port of the second slot, and extensions connecting the contacts to the pins, respectively.

Abstract: There is provided a system for connecting signals between at least two electronic modules. The interconnection conduits are provided via one or more blades, which are equipped with connection areas along their edge toward the modules. This structure opens up more room for high frequency signaling connections. The blades used for the interconnect can be replaced in a live system during operational conditions.

Abstract: A connector is described for fixing a plurality of switching assemblies on a substrate. The connector is also for making contact with the plurality of switching assemblies, which have compatible interfaces. The connector has a plurality of receptacle devices with contact elements and internal contact connections between corresponding contact elements, as a result of which, the length of the connections between the switching assemblies is reduced, signal propagation times are shortened and a higher clock rate for operating the switching assemblies is made possible.

Abstract: An electrical system (1) includes a number of PC boards (10, 12), a same number of electrical connectors (14, 16), and a half number of extenders (18, 20, 22) provided in sets. Each set includes two PC boards, two electrical connectors mounted onto respective PC boards and one extender located between and engaging with the two electrical connectors. There are extenders that have various heights so that extenders of different heights mating with the electrical connectors establish various distances between the PC boards mounting the electrical connectors.

Abstract: A memory card connector is constructed to include a housing, first terminals, second terminals, third terminals and fourth terminals installed in said housing for the contact of a SM card, a memory stick, a SD card/multimedia memory card, or xD memory card respectively, and a lever fastened pivotally with the housing and supported on a spring member for controlling the insertion of an assigned memory card into the housing.

Abstract: A card connector for an IC card has a connector body, a card slot formed in the connector body, a cover for covering the card slot, and locking portions disposed in the connector body. The cover is pivotally supported at a first edge portion thereof by a pivotal pin which is supported by the connector body. The cover has a hook at a second edge portion opposite to the first edge portion. The cover can be moved with respect to the connector body along the pivotal pin. When the cover is moved along the pivotal pin in a closed state, the locking portion comes to engage with the hook of the cover, thereby restricting a pivotal movement of the cover for exposing the card slot or the card.

Abstract: A modular and user configurable PC Card which removably receives one or more add-in modules that provide selected functionality. The user inserts and removes selected modules in the PC Card to configure the PC Card to the desired functionality. The PC Card includes one or more slots for receiving PC Card modules. PC Card slot openings are located on the narrow back end of the PC Card opposite the PCMCIA adapter, or alternatively are located on the wide end of the PC Card. In the preferred embodiment, the PC Card includes an internal module connector having connectors on either side. The PC Card modules are removably inserted into one of the one or more slots and connect to the module connector contacts on the module connector within the PC Card. In one embodiment, the PC Card includes a rotating cam which is turned to connect the module connector contacts on the module connector within the PC Card to the contacts on the removable PC Card module.

Abstract: An electrical interconnect system includes an insulative substrate, and a plurality of groups of electrically conductive contacts arranged on the substrate. The contacts are electrically isolated from one another, and the groups are interleaved among one another in a nested configuration. The system also includes a plurality of receiving-type interconnect components each for receiving one of the groups of contacts within that component. The nested configuration of the groups of contacts maintains the contacts in close proximity to one another and, at the same time, allows adequate clearance between the contacts so that each group may be received within one of the receiving-type interconnect components.

Abstract: An electrical connector for electrically interconnecting printed circuit boards. In representative embodiments, an electrical connector is disclosed which comprises a flexible, resilient conductor shaped so as to form first and second end sections located at opposite ends of a central section. The first end section comprises a first segment adjacent to and bent at a first angle from the central section, a second segment adjacent to and bent at a second angle from the first segment, a third segment adjacent to and bent at a third angle from the second segment, and a fourth segment adjacent to and bent at a fourth angle from the third segment. The second end section comprises a fifth segment adjacent to and bent at a fifth angle from the central section, a sixth segment adjacent to and bent at a sixth angle from the fifth segment, a seventh segment adjacent to and bent at a seventh angle from the sixth segment, and an eighth segment adjacent to and bent at an eighth angle from the seventh segment.

Abstract: There is provided a card connector for easily achieving appropriate layout of contact terminals corresponding to contact pad positions of two types of card while reducing packaging space and soldering work and repair work. Respective slots for the two types of card are disposed at upper and lower positions. Apart of second contact terminals 50 for a second card are disposed so as to be in reverse in press-fit direction to other second contact terminals 50 and first contact terminals 40 for a first card.

Abstract: A module test socket is described in which a memory module and a terminal board are disposed vertically in relation to each other in one plane. A first row of socket contacts and a second row of socket contacts are provided for electrically connecting the memory module to the terminal board in order to test the memory module.

Abstract: Various module structures are disclosed which may be used to implement modules having 1 to N channels. Bus systems may be formed by the interconnection of such modules.

Abstract: A connection-retaining unit comprises a connection-retaining body, which includes a through-hole, a plate-like memory card, which is inserted into and extracted from the connection-retaining body, and a flexible printed board, which is also attached to and detached from the connection-retaining body. A plurality of connection terminals are provided in the through-hole, each connection terminal having a print side terminal portion and a memory side terminal portion. The print side terminal portions of the connection terminals are connected with the electrically conductive pathways of the flexible printed board, which are exposed at an end thereof, while the memory side terminal portions are connected with the terminals of the memory card, which are provided at a front end thereof.

Abstract: An FPC connector (1, 1′) includes a housing (10, 10′) defining a chamber (11, 11′) and a plurality of cavities (12, 12′). A plurality of terminals (20, 20′) is received in the housing, each having a first resilient arm (22, 22′) received in the chamber and a second resilient arm (24, 24′) received in the cavity. A stuffer bar (30) is received in the chamber of the housing for carrying a first flexible printed circuit (FPC) (51) to connect with the first resilient arms of the terminals. A plurality of stuffer blocks (40) is received in the cavities for carrying a plurality of second FPCs (52) to electrically connect with the second resilient arms of the terminals.

Abstract: A conductive network includes a first conductive device having multiple first signal layers. Each first signal layer has a first substrate and a plurality of first conductive traces disposed on one side of the first substrate. The network further includes a second conductive device having multiple second signal layers. Each second signal layer has a second substrate and a plurality of second conductive traces disposed on one side of the second substrate. In addition, the network includes at least one bridge layer for electrically joining together the first and second conductive devices. The at least one bridge layer has a bridge substrate and a plurality of bridge traces supported by the bridge substrate.

Abstract: A semiconductor module includes a plurality of semiconductor devices each including a circuit substrate carrying thereon a single memory semiconductor chip and a socket for holding the semiconductor devices detachably.

Abstract: A smart card connector for two smart cards, in particular SIM cards, is provided. The smart card connector comprises a first contact support for contacting a first SIM card and a second contact support in the form of a cover carrying a second set of contact elements for contacting said second SIM card. Means are provided for linking the first contact support and the cover.

Abstract: A connector according to the invention includes: a plurality of sockets into which a plurality of electronic parts are inserted, respectively; a coupling element which connects the sockets together; and a plurality of pins for electric connection provided in a limited area. Another connector of the invention includes: terminals provided in holes, wherein the holes are provided on the top, and wherein the electronic parts are inserted to the holes, respectively; pins provided in a limited area on the bottom; and a wiring network via which the terminals and the pins are connected. Another connector of the invention includes a bottom; pins provided near and along a first side of the bottom; at least one pin provided near and along a second side of the bottom; sockets into which electronic parts are inserted, respectively; and a coupling element that connects the sockets together.

Abstract: In a computer system having redundant SCSI controllers cards, a SCSI controller interface for receiving multiple interchangeable SCSI controller cards is configured so that the data bus paths between each of the SCSI controller slots and the controller circuitry do not cross.

Abstract: The present invention is a method and apparatus for interconnection system. A first front connector is located at a side of a first front card to provide first contacts for first signal traces on the first front card. A second front connector located at a side of a second front card to provide second contacts for second signal traces on the second front card. A mating connector has first and second receptacles and is located alongside of a rear card. The mating connector electrically connects the first contacts of the first signal traces to the second contacts of the second signal traces via contacts in the first and second receptacles. The first and second receptacles couple to the first and second front connectors, respectively. The rear card is positioned in a substantially orthogonal direction to the first and second front cards.

Abstract: A card edge connector with a plurality of card-receiving areas for receiving circuit board edges and an electrical contact designed to electrically connect circuit boards with edges inserted into the card-receiving areas. The card edge connector is designed to be used with at least two circuit boards installed within an apparatus, such as a computer chassis, in a fixed position. The card edge connector is designed to be removably installed on one of the circuit boards. The card edge connector is adapted to slide, or translate, over the circuit board on which it is installed and onto the contacts of another fixed circuit board. An electrical connection is established between the fixed circuit boards, which remain stationary while the card edge connector slides to form the electrical connection between them.

Abstract: An electronic computer card guide support bracket is mounted inside a chassis near a ventilation fan. The support bracket has a sheet metal body with sidewalls which extend between a face of the support bracket and the chassis. The sidewalls form ducts for the ventilation fan. The support bracket also has parallel guide members which are integrally formed with the body along its face. Each guide member has upper and lower rails which define a variable width slot between them for receiving a PCI card. The portions of the PCI cards which contact the support bracket are electrically insulated. An electrically insulated guide member is also mounted to the support bracket for receiving an FSIOA card which may not be insulated. An aperture is located between each adjacent pair of the guide members for permitting air flow to circulate around the PCI cards. Each aperture has an area which is larger than a frontal surface area of each guide member.

Abstract: A socket for mounting memory module boards on a printed circuit board (PCB) includes a first socket, a second socket and a third socket. The first socket includes a first socket body that receives a first memory module board, a first clip that connects to a tab of the first memory module board, and a first signal line connected to the first clip and extending outside of the first socket body. The second socket is in an area adjacent to the first socket and includes a second socket body that receives the first and a second memory module boards on opposite sides of the second socket body, two sets of upper socket pins disposed within the second socket body, and two sets of lower socket pins disposed to be opposite to the upper socket pins.

Abstract: A module mounting system includes a mother board (1) having a plurality of layers, first and second sockets (2, 3) provided on a face of the mother board (1) such that their rear faces (9, 18) are opposed to each other, and a plurality of wiring patterns (27, 29) provided one for each layer to interconnect the terminals (7, 8, 20, 21) of the first and second sockets (2, 3).

Abstract: An electrical connector (100) includes an insulative housing (10) defining a first slot (16) and a second slot (20) orientated along different mating directions, the mating directions differing from each other by a desired angle and a plurality of first and second contacts (12, 14) respectively received in the first and the second slots. The first contacts each have a mating portion (123, 125) parallel with a bottom face (128) of the housing. The second contacts each have a mating portion (142) perpendicular to the bottom face of the housing. A main feature of the connector is that it is engageable with mating connectors in different directions.

Abstract: An electrical connector for electrical connection to a circuit board (12) and for receiving a module card (16) and an operating circuit card (14) comprises a dielectric housing (24) having adjacent card-receiving areas (26, 28), first electrical contacts (18, 20) mounted in the dielectric housing and having termination sections (18c, 20c) for electrical connection with conductive members of the circuit board and contact sections (18a, 20a) extending into one of the card-receiving areas (28) for electrical connection to conductive members of the module card (16) when inserted into the one of the card-receiving areas, and second electrical contacts (22) mounted in the dielectric housing and having contact portions (22b) extending into the one of the card-receiving areas (28) for electrical connection with conductive members of the module card (16) and extending into the other of the card-receiving areas (26) for electrical connection with conductive members on the operating circuit card (14) when inserted into

Abstract: The present invention provides an electrical connector having an integrated bus to provide a signal path having a properly matched impedance. The electrical connector includes a housing formed with a number of slots adapted to receive a module. Electrical contacts are placed between adjacent slots in the electrical connector, such that the combination of electrical contacts and inserted modules forms the integrated bus. Since inter-slot connections are not made through the motherboard, the noted impedance discontinuities do not arise. The electrical contacts generally include electrical signal contacts and ground contacts generally formed within the housing of the electrical connector but include metal contacts which extend into adjacent slots to form a portion of the integrated bus. The plurality of modules thus connected may include a termination module, and/or a dummy module.

Abstract: An electrical connector 10 consists of an insulating housing 20 having cavities 21 into which contacts 50 are inserted and secured by press fit engagement. Contacts 50 are fabricated from a metal sheet material by punch cutting and comprise two pairs of female-type contacting sections 60, 70 with a base section 80 located between them that is pressed in the inner side walls of the cavities 21.

Abstract: Apparatus for mounting retrofit equipment modules into the equipment mounting cabinetry of an installed modular equipment signal network includes an interface module and mini-backplane combination which is adapted for insertion into the equipment cabinetry with electrical signal connection of the mini-backplane to the cabinetry master backplane, and for mounting retrofit modules inserted therein in electrical signal interconnectivity with others of the network equipment modules.

Abstract: An electrical connector of the present invention comprises an elongate housing having a pair of side walls, a central wall between the side walls defining a number of chambers in opposite rows therealong, and a pair of slots respectively defined between the side walls and the central wall, and a number of contacts received in the chambers. The contacts each have a base, an arcuate beam depending upwardly from the base, and an engaging beam initially continuing upwardly from the arcuate beam. The engaging beam then bends twice to form a lower curved portion and an upper curved portion. Increasing bends of the top curved portion lessens the yielding of the contact. The lower curved portion reduces normal force provided by the connector. Moreover, the contact is secured by interferentially fitting with a side wall and the central wall of the housing.

Abstract: A connector with a staggered contact design is described. The connector comprises a first row of connector pins, the connector pins alternately proximal pins and distal pins. The connector further comprises a second row of connector pins alternately proximal pins and distal pins. The distal pins of the connector carry the signals, while the proximal pins are ground or power signals.

Abstract: An electrical connector (10) for interconnecting discrete circuits on a first circuit board (14) with discrete circuits on a second circuit board (16), includes an insulating housing (18) having a series of contact members (20) arranged in side by side cavities (22). Each contact member (20) has a straight shank (130) that is only partially supported by the floor (32) of the housing. The shank (130) has a first beam (136) at one end and a second beam (138) at the other end, each end of which has a respective one of first and second contacts (140, 142) attached thereto. Each contact terminates in a pre-load member (144, 146) that is formed parallel to the shank and slidingly extends into a recess (120) in the housing. Each pre-load member (144, 146) includes a latch surface (168) that abuts against a stop surface (124) formed in the housing (18) to limit movement of the contacts and thereby provide a desired pre-load to each contact (140, 142).

Abstract: A computer system is formed using a co-planar processor connector to connect a motherboard and a processor package together in a co-planar manner. The co-planar processor connector includes a planar body having an inner cavity defined a number of inner walls extending from one end to the other end, and a number of pins disposed on the inner walls, extending from one end to the other end. The co-planar connector engages the motherboard at one end, and the processor package at the other end. The pins electrically couple the processor package to the motherboard.

Abstract: A modular bus interconnect system suitable for ganging together modules where the electronic signals are bussed to respective contacts on each module. The modules may be releasably or permanently attached to each other. The modules each have a slot for receiving and electrical contacts for making electrical connections to the contact fingers of an edge board connector. Each of the module's electrical contacts has a cantilever portion for making electrical connections to the connector fingers, and, in addition to the cantilever portion, each module has at least two exposed electrical contact portions that are formed on the outside of the housing. When the modules are ganged together these exposed portions are arranged to make electrical connections with each other thereby distributing the signals among all ganged modules.

Abstract: An equipment plug connector for a stack of cardshaped data carrier arrangements mutually superimposed in-register with regard to at least one of the surfaces thereof and, respectively, having at least one integrated semiconductor circuit and at least one external connection connected thereto, includes a housing made of insulating material and formed with an opening for inserting a stack of cardshaped data carrier arrangements therein in an insertion direction perpendicular to a direction in which the stack is stacked, electrical connections of the equipment plug connector disposed in the housing, a plurality of contact springs arranged in the housing so as to extend in the stack insertion direction towards the opening formed in the housing for establishing an electrical connection between an exposed contact surface formed on the at least one external connection of the stack of cardshaped data carrier arrangements inserted into the equipment plug connector and the electrical connections of the equipment plug c

Abstract: An electrical connector includes a connection portion defining two channels in an insulative body thereof for respectively receiving and electrically engaging a main board and an external circuit board and a board support portion including two support bars having inner ends fixed to opposite sides of the insulative body thereby forming a U-shaped configuration for receiving the external circuit board in a space defined between the support bars. Each of the support bars has an inner surface from which two flanges extend thereby defining a groove for receiving and retaining an edge of the external circuit board. Each of the support bars defines a slot in the inner end between two side walls for receiving a sideways projection of the insulative body therein. Fasteners secure the sideways projections of the insulative body between the corresponding side walls of the support bars.

Abstract: The invention relates to electrical or electronic device (1) for seating on a mounting rail (2), with a housing (3), at least one circuit board (4) located in the housing (3), and with at least one contact arrangement (6) having a contact (8) for making contact with the circuit board (4), and front and rear bus contacts for a data and/or power bus connection to adjacent devices (1) which have corresponding contact arrangements (6) and which are seated on the mounting rail (2). To be able to the produce contact arrangement (6) of the device (1) easily and quickly, the circuit board contact (8), the front bus contact (9) and the rear bus contact (10) are produced from the same continuous piece of electrically conductive material.

Abstract: An electrical connector for interconnecting first and second memory cards to a mother board includes a housing having a pair of card-receiving slots. The housing carries sets of signal contacts and ground contacts. Each of the ground contacts has a pair of contact arms which extend into respective ones of the slots for electrically connecting with both the first memory card and the second memory card.

Abstract: There is provided an IC socket capable of reducing inductance of contacts corresponding to a power supply pin and a ground pin of an IC, of increasing the level of impedance matching and of enabling the measurement of a high frequency IC. Contacts each formed of a single kind and comprising three contact portions and one curved portion are arranged in a straight line along grooves of an IC socket and the contacts are connected to a measuring circuit board which is inserted into the grooves of the IC socket through the three contact portions regardless of the curved portion.

Abstract: A socket (14) includes a first bus conductor (22a) having two or more contact regions (24) and a second bus conductor (22b) arranged substantially parallel to the first bus conductor and having two or more contact regions (24). The first and second bus conductors are spaced relative to one another so as to provide a predetermined electrical impedance and may be arranged to carry electrical signals as transmission lines. A dielectric spacer (36) may be disposed between the first and second bus conductors to provide the spacing. Contact regions (24) of the first and second conductors (22a, 22b) may provide compliant coupling regions for the socket (14). The contact regions (24) of the first bus conductor (22a) may be positioned within the socket (14) so as to contact a lead disposed on a first side of a circuit element (16) and the contact regions (24) of the second bus conductor (22b) may be positioned within the socket (14) so as to contact the lead disposed on the second side of the circuit element (16).