Abstract: Methods, lead retention assemblies and systems may provide a secure connection of electrical leads to an implantable medical device, such as a pacemaker or a defibrillator. The method may include: providing a lead retention assembly including a support member, a first side clamp and a second side clamp, a first port and a second port each defining a respective receptacle in conjunction with the support, and a fastener configured to urge both the first and second side clamps toward the support upon actuation of the fastener; providing at least two electrical lead bodies each including a respective proximal end portion; inserting the respective proximal end portions into the respective receptacles to be in electrical communication with a respective electrical contact in the respective receptacles; and actuating the fastener to thereby clamp the proximal end portions of the respective electrical lead bodies within the first and second ports.

Abstract: A detection device and method commonly used for a video interface outlet and earphone line outlet is used to allow the detection device to detect whether a three- or four-terminals plug is inserted in the outlet. The detection device detects whether the impedance value of the video output terminal of the plug is larger than the preset value. If yes, the detection device control a video signal output terminal to output a video signal. If the impedance is not larger than the preset value, the detection device then controls the video signal output not to output a video signal and only to output an audio signal.

Abstract: A power supply system. The power supply system may have a power circuit having a switch and adapted to generate a first output voltage and a second output voltage, depending on the state of the switch. It also includes an output connector coupled to the power circuit, where the output connector includes a plurality of electrical contacts including a first electrical contact and a second electrical contact. A voltage output indicator device is coupled to the first and second electrical contacts. The voltage output indicator device indicates that the power circuit is producing the first output voltage or the second output voltage, so that the user is aware of the voltage being output by the power supply system.

Abstract: A printed circuit board comprises at least one printed circuit board with at least one electrical contact and one circuit board connector. The circuit board connector includes a printed circuit board provided with one or several open tracks on at least one side for connection with electrical contact(s) of the printed circuit board.

Abstract: Various methods, apparatuses, and systems are described in which a chipset controller has circuitry to control communications with a peripheral device in a computing device. The chipset controller has logic configured 1) to detect a plug-in event when the peripheral device connects to the chipset controller and 2) to transition the chipset controller from a low power consumption state to a higher power consumption state based on the logic detecting the plug-in event.

Abstract: A semiconductor device includes a semiconductor chip, an insulating base film and first projecting electrodes. The first projecting electrodes are formed in a single row on one face of the semiconductor chip along the edge of the semiconductor chip. This face of the semiconductor chip faces a semiconductor chip mounting face of the base film. The semiconductor device also includes second projecting electrodes formed in a single row outside the row of first projecting electrodes. The height of the second projecting electrodes is smaller than the first projecting electrodes. The semiconductor device also includes first inner leads formed on the semiconductor chip mounting face of the base film. The first inner lead extend to the first projecting electrodes. The semiconductor device also includes an insulating film formed between the first inner leads and the semiconductor chip. The semiconductor device also includes second inner leads formed on the insulating film.

Abstract: A video signal transmitting device having analog and digital video signal output functionality is adapted to transmit a video signal, and has a cable unit, a digital visual interface integrated input port disposed at one end of the cable unit and adapted to receive the video signal, and a digital visual interface output port and an analog video signal output port disposed at the other end of the cable unit. The digital visual interface integrated input port has a first pin set for digital video signals, and a second pin set for analog video signals. The digital visual interface output port is connected to the first pin set through the cable unit, and the analog video signal output port is connected to the second pin set through the cable unit so as to achieve an effect of respectively outputting digital video signals and analog video signals.

Abstract: A patch panel with angled connector modules for mounting to a telecommunications rack comprising a frame comprising a flat elongate frame member having an opening formed therein for mounting one of the connector module. The outer vertical surfaces of each connector module are outwardly angled relative to one another to form a generally V-shape when viewed from above. The modules are reversible and two modules can therefore be mounted to the frame member with a reversed left-to-right orientation. A pattern of modules can thus be created on a single frame as well as along the length of the rack by stacking a plurality of frames one on top of the other. In particular, two modules can be mounted such that their outer vertical surfaces are either substantially parallel or intersect at an angle.

Abstract: A video signal transmitting device having analog and digital video signal output functionality is adapted to transmit a video signal, and has a cable unit, a digital visual interface integrated input port disposed at one end of the cable unit and adapted to receive the video signal, and a digital visual interface output port and an analog video signal output port disposed at the other end of the cable unit. The digital visual interface integrated input port has a first pin set for digital video signals, and a second pin set for analog video signals. The digital visual interface output port is connected to the first pin set through the cable unit, and the analog video signal output port is connected to the second pin set through the cable unit so as to achieve an effect of respectively outputting digital video signals and analog video signals.

Abstract: A wiring board formed with electric circuits is provided, wherein said electric circuits are formed by comprising straight bus bar segments, each of the straight bus bar segments having contact portions at opposite ends thereof, said wiring board having means for bringing the respective contact portions into electrical contact

Abstract: A Universal-Serial-Bus (USB) device has a USB plug that is centered over a center-line of a circuit board. The circuit board with flash memory and a USB flash controller has metal pads that a USB connector is soldered to. The USB connector has a rear step that is about half the height of the USB connector plug. Contacts on the rear step are soldered to the metal pads on the circuit board so that the USB connector is centered around the edge of the circuit board. The overall height of the flash device can be reduced since the bulky USB connector is not attached off-center to the circuit board, but is attached at the half-height rear step. Both the USB connector and the circuit board share the same center line, allowing a printed-circuit board assembly (PCBA) to be symmetric around the center line.

Abstract: A wireless network card includes an adaptable antenna connection structure that includes connections for one or more internal antennas and for one or more Radio Frequency (RF) connectors that may be coupled to one or more external antennas. A Printed Circuit Board (PCB) and electronic components located thereon form the wireless network card. The PCB includes a removable portion that, when removed, leaves an opening that receives an RF antenna connector. When the PCB is used to create a client wireless network card, one or more surface mount antennas are mounted on the PCB and coupled to surface mount antenna conductive pads formed thereon. The wireless network card may include (1) the surface mount antenna; (2) the RF connector; or (3) both the surface mount antenna and the RF connector.

Abstract: A protrudable connector structure that includes a first frame having a first guiding hole; a second frame having a push button and a second guiding hole that overlaps with the first guiding hole when the push button is pressed; a pin inserted into the first guiding hole and the second guiding hole so that the pin moves along the first and second guiding holes; a connector member coupled to the pin; and a link that presses the pin, wherein when the pin is located in a first locking groove portion of the second guiding hole, the connector member is locked so as not to protrude outside of the housing, and when the pin is located in a second locking groove portion of the second guiding hole, the connector member is locked so as not to be inserted into the housing.

Abstract: An electrical signal connection system including an electrical signal transferring module for transferring electrical data between an electrical memory card and an electrical device is provided. Each side of the electrical memory card has a set of data transmission pads, and each set of data transmission pad has a plurality of output pins and an identification pin. The electrical signal connection system includes at least a casing, a plurality of receiving ends, an identification receiving end, and a plurality of signal output ends. The plurality of receiving ends disposed at a first end of the casing, for electrically connecting to the plurality of output pins of the electrical memory card. The identification receiving end disposed within the first end of the casing, is used for electrically connecting to the identification pin of the electrical memory card.

Abstract: A connection unit utilized in detecting an electronic device, comprising a first detection board, a second detection board and a connection board. The first detection board comprises a first contact area. The second detection board comprises a second contact area. The connection board is electrically connected to the electronic device, and comprises a first signal contact area and a second signal contact area, wherein the connection board is selectively connected to the first detection board and the second detection board. When the connection board connects the first detection board, the first signal contact area is electrically connected to the first contact area. When the connection board connects the second detection board, the second signal contact area is electrically connected to the second contact area.

Abstract: A circuit (11) utilizing a serial advanced technology attachment (ATA) interface for transmitting connectivity signals from the serial ATA interface to a controller (10) in order for the controller to determine a status of connectivity of a hard drive disk (HDD) (21) to the serial ATA interface. The circuit includes an input end (A) connecting to a ground end of the serial ATA interface, and electronically connecting to a high voltage source; a positive-negative-positive (PNP) tripolar transistor (Q1), a first negative-positive-negative (NPN) tripolar transistor (Q2), a second NPN tripolar transistor (Q3), and an output end connecting a collector of the second NPN tripolar transistor with the controller for outputting voltage signals to the controller. The controller is a programmable microprocessor for determining whether or not the HDD is connected to the serial ATA interface, based on the voltage signals input to the controller.

Abstract: A peripheral card having a Personal Computer (“PC”) card form factor and removably coupled externally to a host system is further partitioned into a mother card portion and a daughter card portion. The daughter card is removably coupled to the mother card. In the preferred embodiment, a low cost flash “floppy” is accomplished with the daughter card containing only flash EEPROM chips and being controlled by a memory controller residing on the mother card. Other aspects of the invention includes a comprehensive controller on the mother card able to control a predefined set of peripherals on daughter cards connectable to the mother card; relocation of some host resident hardware to the mother card to allow for a minimal host system; a mother card that can accommodate multiple daughter cards; daughter cards that also operates directly with hosts having embedded controllers; daughter cards carrying encoded data and information for decoding it; and daughter cards with security features.

Abstract: A wireless network card includes an adaptable antenna connection structure that includes connections for one or more internal antennas and for one or more Radio Frequency (RF) connectors that may be coupled to one or more external antennas. A Printed Circuit Board (PCB) and electronic components located thereon form the wireless network card. The PCB includes a removable portion that, when removed, leaves an opening that receives an RF antenna connector. When the PCB is used to create a client wireless network card, one or more surface mount antennas are mounted on the PCB and coupled to surface mount antenna conductive pads formed thereon. The wireless network card may include (1) the surface mount antenna; (2) the RF connector; or (3) both the surface mount antenna and the RF connector.

Abstract: A subsystem of an avionics system is operated in a first mode for receiving software via a port; and in a second mode in accordance with a circuit that includes a terminator coupled to the port. By using the terminator to convey information regarding a desired configuration for operation in the second mode, communication and wiring is avoided between subsystems of the avionics system for conveying such information. In one implementation, operation in the second mode includes performing a collision avoidance function (e.g., providing a TCAS advisory). Configuration information in accordance with the circuit may specify an arrangement of shared antennas between multiple transponders and/or mode changes related to using an antenna for a collision avoidance function in a hijack mode of operation.

Abstract: A method of reducing the record of a multi-cavity terminal connector comprising the steps of assigning cavity numbers and locations to a properly oriented, full-scale CAD graphic of the connector, creating an integer from a concatenation of the cavity numbers and coordinates and performing a mathematical operation on the integer, such as a cyclical redundancy check, to produce a code which is substituted for the graphic in the connector record.

Abstract: A smart switch design in an external data storage or a flash memory reader/writer application that controls a power on/off to both a data storage device and an electronic bridge board inside a interface cable, the external data storage including: an enclosure for protecting interior elements; a switch with first and second ends, the first end connected to a wire of the electronic bridge board for receiving a power signal from a computer via an interface cable, the second end is connected to a power signal pin of the data storage device and an ASIC of the electronic bridge board; when the switch turns on (or the flash memory card insert into said slot) the data storage device (or the flash memory card) and the ASIC of the electronic bridge board gets the power signal from the computer and automatically issues the necessary handshake signals to the computer to establish the electrical communication to the data storage device (or the flash memory card).

Abstract: A plurality of prongs of a connector box and a plurality of receptacles of a receptor box are electrically connected by mating each respectable pairs together. The boxes are coupled by a mechanical leveraged maneuver. The connecting device then connects vehicular circuits of an electric vehicle including those for auxiliary equipment to a battery-carrying trailer which is to be mechanically attached thereto and allows the electric vehicle to either extend its range, or be rescued from power shortage by electricity supplied by other than batteries onboard therein. The connecting device has a safety mechanism for preventing accidental separation of an electric connection, and for protecting operators from receiving electrical shock.

Abstract: An apparatus for detecting incorrect connector insertion. The apparatus includes a first member including a first connector; a second member including a second connector; a test signal output processing unit that outputs a first test signal to the first member and the second member; a first determination signal outputting portion that outputs a first determination signal in accordance with outputting the first test signal to the first member; and a second determination signal outputting portion that outputs a second determination signal in accordance with outputting the first test signal to the second member. The apparatus further includes a connector-connected state determination processing unit that determines the connected state of the first connector and the second connector based on the first determination signal and the second determination signal.

Abstract: A peripheral card having a Personal Computer (“PC”) card form factor and removably coupled externally to a host system is further partitioned into a mother card portion and a daughter card portion. The daughter card is removably coupled to the mother card. In the preferred embodiment, a low cost flash “floppy” is accomplished with the daughter card containing only flash EEPROM chips and being controlled by a memory controller residing on the mother card. Other aspects of the invention includes a comprehensive controller on the mother card able to control a predefined set of peripherals on daughter cards connectable to the mother card; relocation of some host resident hardware to the mother card to allow for a minimal host system; a mother card that can accommodate multiple daughter cards; daughter cards that also operates directly with hosts having embedded controllers; daughter cards carrying encoded data and information for decoding it; and daughter cards with security features.

Abstract: A Universal Storage Interface Bus external storage device includes an IDE storage device, a ribbon cable, an USIB connector conversion board, an USIB interface conversion device containing an USIB interface conversion board, and an interface cable. The IDE data storage device couples with a first connector of the ribbon cable and the ribbon cable further has a second connector. The USIB connector conversion board has a third connector and a fourth connector, and the third connector couples with the second connector for converting a signal of the third connector into a signal of the fourth connector. The USIB interface conversion cable device provides a fifth connector, an USIB interface conversion board, and a sixth connector. A cable is between and connecting with the USIB interface conversion board and the sixth connector. The fifth connector couples with the fourth connector and the sixth connector thereof couples with an input/output port of a personal computer.

Abstract: An Audio Encoder/Decoder (AC)-97 protocol link is used for concurrent data communication between AC-97 protocol devices and non-AC-97 protocol devices. The Tag data in an AC-97 data frame is used to select specific CODECs and to determine which data time slots to ignore or accept. Since telephone voice and data communication uses only the Tag data and one other of the data frame time slots, eleven slots are available for communication using non-AC-97 protocol devices concurrent with telephony communications. Ethernet, Home Phoneline Network Alliance (HPNA), Attachment Unit Interface (AUI) are some of the data communication protocols that may be employed using embodiments of the present invention. An AC-97 data communication controller may modified with additional logic and control lines to support additional features of non-AC-97 protocol devices.

Abstract: A power supply that has an integrated power line networking coupling circuit and a connector to accept a removable power line networking module. The power supply and associated system can be sold without power line networking or with power line networking, and if sold without power line networking, it can be upgraded at a later time to support power line networking. Additionally, power line networking modules can be replaced in the field if failures occur or for upgrade purposes if a more robust networking standard becomes available.

Abstract: A connector comprises contact pins, an insulator and a supplementary insulator. Each of the contact pins comprises a supported portion and a contact end. The insulator comprises accommodation portions which accommodate the respective contact pins. Each of the accommodation portions is provided with a supporting portion which includes a supporting surface and supports the supported portion of the corresponding contact pin. The supplementary insulator is fixedly held by the insulator. At least one part of the supported portion of the contact pin is placed between the supporting surface and the supplementary insulator in a Z-direction. Therefore, the supported portion always straightly extends in a Y-direction so that the contact end can be surely positioned at a predetermined position.

Abstract: A subsystem of an avionics system is operated in a first mode for receiving software via a port; and in a second mode in accordance with a circuit that includes a terminator coupled to the port. By using the terminator to convey information regarding a desired configuration for operation in the second mode, communication and wiring is avoided between subsystems of the avionics system for conveying such information. In one implementation, operation in the second mode includes performing a collision avoidance function (e.g., providing a TCAS advisory). Configuration information in accordance with the circuit may specify an arrangement of shared antennas between multiple transponders and/or mode changes related to using an antenna for a collision avoidance function in a hijack mode of operation.

Abstract: An intelligent universal connector having 50 pins arranged into two parallel rows numbered from 1st through 25th for the right row and from 26th through 50th for the left row, the 1st and 26th pins being +12V power source, the 4th and the 29th pins being +5V power source, the 2nd, 3rd, 27th and 28th pins being grounding, the 5th and 30th pins being non, the pins of 6th through 25th and the pins of 31st through 50th corresponding to parallel ATA standard, the 41st, 42nd, 43rd and 45th pins being the two I/O signal terminals (HTX_P, HTX_M and HRX_P, HRX_M), the 28th, 3rd and 2nd pins being connectable to the 1st, 4th and 7th pins of a 7-pin serial ATA connector, the 41st, 42nd, 43rd and 45th pins being connectable to the two I/O signals of a 7-pin serial ATA connector, the 41st, 42nd, 43rd and 45th pins corresponding to grounding terminals of a parallel ATA connector.

Abstract: A transparent base supports two or more socket boards side-by-side. Binding posts are arrayed on the longer side of one rectangular socket board. Turning the assembly over allows the user to see how the sockets are connected to the busbars on the backsides of the side-by-side socket boards.

Abstract: Disclosed is a method for manufacturing an electrical contact element used to test an electronic device, and an electrical contact element manufactured thereby. The electrical contact element is manufactured by defining, on a sacrificial substrate, a trench in which a tip portion is to be formed, forming a protective film pattern such that the protective film pattern delimits an opened region in which a beam portion is to be formed and which is communicated with the trench, filling a conductive material into the opened region, and removing the sacrificial substrate and the protective film pattern to form the electrical contact element having the tip portion and the beam portion. The method comprises the step of conducting one or more times, after defining the trench, anisotropic etching in the trench in such a way as to increase a depth of the trench and round an inner surface of the trench.

Abstract: A method and system for interconnecting circuit cards is provided. Pins on a bus of a circuit card are grouped corresponding to each device on the card. Pins on the bus of the motherboard are grouped corresponding to each device on the motherboard. The groups of pins are matched with the devices on the card to appropriate devices on the motherboard. The size of the bus and circuit card can be adjusted in response to the number of pins needed.

Abstract: A technique for identifying multiple circuit components. More specifically, a technique for identifying the location of electrical components, such as memory cartridges which have been disposed on a substrate, is described.

Abstract: A DSX jack module having removable jacks is disclosed. The jack module includes a jack mount for holding the jacks. The jack module also includes a front facing cross-connect array and a front facing IN/OUT array. A circuit board is electrically connected to the arrays. The circuit board includes portions positioned directly behind the cross-connect array and the IN/OUT array. A chassis for holding jack modules is also disclosed. The chassis includes a front door having a double hinge configuration.

Abstract: A joint connector is provided with upper and lower housings and linkage terminals accommodated in the respective housings. Each linkage terminal comprises a plurality of terminals and carriers coupling the terminals. A plugging-in piece of each terminal projects below a bottom portion of each housing. A piece to be connected corresponding to the plugging-in piece is provided on each terminal. In the linkage terminal, a carrier(s) is cut off and a plugging-in piece(s) is fallen down according to a circuit configuration required. A connecting state between the terminals in one housing is cancelled by cutting the carrier. A connecting state between the terminals in the upper and lower housings is cancelled by bending the portion to be connected. Thereby, a required circuit pattern is set in the upper and lower housings.

Abstract: A peripheral with expansion connector that is attachable to a host, comprised of an interface connector (or a plug-socket unit) is provided to connect to an interface connector (or a plug-socket unit) from the host; a subsidiary I/O interface connector (or a plug-socket), a dedicated interface circuit, and a selection switch to connect both of said interface connector (or plug-socket unit) to the dedicated interface circuit or to the subsidiary I/O interface connector (or plug-socket unit).

Abstract: An electrical connection structure that is able to electrically connect wiring to a biopolymer, a production method of the electrical connection structure, and an electric wiring method which is able to perform wiring on a nanometer-scale. A first aspect of the production method of the present invention uses a carbon nanotube as an electrode, and makes the carbon nanotube contact the biopolymer. A second aspect of the production method applies electric current between the electrode and the biopolymer of the first aspect. The electrical connection structure of the present invention comprises at least the electrode formed by the carbon nanotube and the biopolymer, wherein the electrode is in contact with the biopolymer. In the electric wiring method of the present invention, the electrode formed by the carbon nanotube contacts the biopolymer to complete an electrical connection.

Abstract: A system and method for embedding power and ground planes in a pin grid array (PGA) socket is provided. Integrated circuit pins are inserted into multiple insertion holes of varying dimensions in the power and ground planes. When the cover of the socket is sidably moved, power pins touch the power plane and ground pins touch the ground plane. Decoupling capacitors are also affixed to the substrate. Thus, the power delivery performance of the overall central processing unit (CPU) package is improved. Moreover, the power and ground planes enhance the mechanical strength of the socket which reduces warpage.

Abstract: For the adjustment of planar broad-band lambda probes, direct access is obtained to an adjustment element made of a resistor layer applied to a ceramic substrate. For this purpose a corresponding cover element is removed from the probe, or rather, from the probe developed as a wiring harness plug. A cover element is formed directly with the remaining part of wiring harness plug, preferably connected as one piece, and the cover element is made transparent in such a way that a laser beam can penetrate cover element, and processing can occur at adjustment element, even when cover element has already been mounted on wiring harness plug.

Abstract: A revision system for a network having a plurality of data ports, pairs of the data ports being connectable by a patch cord to place the pairs of data ports into communication with each other, the revision system including a computer processor, a plurality of port plates corresponding to and disposed proximately to at least a plurality of the data ports, a scanner in communication with the computer processor, the scanner capable of polling at least some of the port plates for determining information therefrom, a plurality of local system ports disposed at distinct physical locations within the system, the local system ports in communication with the computer processor, and a probe for connecting to respective ones of the plurality of local system ports and respective ones of the plurality of port plates, whereby when the probe is connected to one of the local system ports and one of the port plates, the probe may display information about corresponding ones of the data ports in the system.

Abstract: A connector (1) is provided with configurable contacts (3) such that the contacts can be connected to each other via a printed circuit (16) comprising strip conductors (20) which connect conductive feed-throughs (19) of said printed circuit. For each contact of the connector, a sliding contact (26) which can be displaced between two positions can be connected or not connected to the contact to which it is opposite. The sliding contacts can be maintained between two stable positions via an insulating grommet (37). In a sunken position, the sliding contacts comprise a conductive end which is in contact with a conductive feed-through of the printed circuit and which is in contact with the contact 3. In a withdrawn position, the sliding contact is only in contact with the conductor opening.

Abstract: A communications cable terminal block switching mechanism employs a terminal block housing with a number of chambers and a number of openings for service wires to be inserted into the chambers. A cable stub enters the terminal block and contains feed-in pairs and feed-out pairs. Based on the condition of the switching mechanism, a wire pair may be expressed through the terminal block unterminated, or, a wire pair may be terminated to a service wire at the block. Specifically, a number of sets of electrical contact elements, corresponding to the number of openings, is provided, and one of each of the sets of contact elements is configured in one of each of the chambers.

Abstract: A branching apparatus includes an insulating bottom plate 7, and a plurality of branch connection insulating plates 8 stacked together on the insulating bottom plate 7, and a branch connector portion 11, wires 4 passing through each of the branch connection insulating plates 8 in parallel relation to each other. The branch connector portion 11 includes an insulating housing 9, cooperating with the insulating bottom plate 7 to hold the branch connection insulating plates 8, and a plurality of penetrating connection conductors 10 supported on the insulating housing 9. One end portion of each of the penetrating connection conductors 10 passes through the branch connection insulating plates 8, and is electrically connected to the associated wires 4 to thereby effect the branch connection, and the other end portion of each penetrating connection conductor is exposed to the exterior, and serving as a connector male terminal portion 10a.

Abstract: An IC socket adapted to establish an electrical connection between an IC package and a printed board includes a socket body having a mount portion on which the IC package is mounted, a number of contact pins disposed on the socket body in substantially equally adjacent arrangement, each of the contact pins having one end to be connected to a terminal of the IC package and another end to be connected to the printed board, and an interval widening member provided for the socket body for widening a pitch interval between the other ends of adjacent contact pins so as to provide a predetermined distance therebetween.

Abstract: A selectable compatibility electrical connector assembly for use in a high performance communication connection has a plug and a jack which mate together in the high performance mode. The plug has a printed wiring board (PWB) therein which is movable in longitudinal translation. The PWB has, on a surface thereof printed circuitry for altering the electrical characteristics and a plurality of conductive leads in contact with the surface. The PWB has a first position where the leads are in contact with the circuitry and a second position where they contact no circuitry. The jack has members therein which engage the PWB and move it from the first position to the second position when the plug is inserted into the jack, and which return the PWB to the first position when the plug is removed from the jack.

Abstract: A circuit card of an industrial controller may be removed or inserted under power without loss of memory or disturbance to the power supplies of other modules through the use of a power failure signal derived from shortened pins on the connector between the card and the industrial controller. The power failure signal activates a timer delaying connection of the board components to power until the physical connection between the card and the industrial controller has stabilized. At this time current drain is ramped up by a controlling series FET. Upon removal of the card, the power failure signal causes outputs of an on-board microprocessor to be pulled to particular states necessary to prevent disturbance of a battery backed-up RAM and to eliminate current flow through protection diodes on other memory type devices attached to the microprocessor.

Abstract: The disclosure involves a transfer switch having a stationary frame and a front terminal matrix for connection to circuit boards undergoing test. There are two stationary connectors mounted on the switch frame. A platform is supported by the frame for reciprocating movement between first and second positions. Such platform has two movable connectors thereon and when the platform is in the first position, one of the movable connectors engages or "plug-connects" to one of the stationary connectors. When the platform is in the second position, the other movable connector plug connects to the other stationary connector. The stationary connectors are electrically coupled to respective test devices, e.g., a load board and a signal bus. Thus, the boards under test can be connected to one or the other of the test devices by shifting the position of the platform. A new method is also disclosed.

Abstract: Power supplies which include sockets for supplying DC voltages as well as cables for supplying DC voltages to internal components of, for example, a computer are configured to prevent a user from connecting to an inappropriate DC voltage. The apparatus includes a special multiple din socket which provides a different voltage at each din of a subset of the dins, only one din of which is alive at a time. The apparatus includes a switch at each socket operative to select only a single din of a subset of dins at that socket. The illustrative apparatus includes several sockets, each one of which includes a different subset of dins selected by a switch, a single din at a time.

Abstract: The disclosure involves a transfer switch having a stationary frame and a front terminal matrix for connection to circuit boards undergoing test. There are two stationary connectors mounted on the switch frame. A platform is supported by the frame for reciprocating movement between first and second positions. Such platform has two movable connectors thereon and when the platform is in the first position, one of the movable connectors engages or "plug-connects" to one of the stationary connectors. When the platform is in the second position, the other movable connector plug-connects to the other stationary connector. The stationary connectors are electrically coupled to respective test devices, e.g., a load board and a signal bus. Thus, the boards under test can be connected to one or the other of the test devices by shifting the position of the platform. A new method is also disclosed.