摘要:
A socket connector comprises a dielectric housing, a conductive contact, and a pickup. The dielectric housing comprising a first sidewall, a opposed second sidewall, and an endwall which connecting said first and second sidewalls and further defines an opening therein; Said conductive contact received in said dielectric housing and having a pair of resilient contacting sections extending between said sidewalls; Said lock-up releasably secured in said opening of said dielectric housing and compressing said pair of contacting sections of conductive contact toward each other. When dismount the backlight, the operator can see the conductive portion of the backlight and the contacting section of the conductive contact, and there is a large operating space for conveniently mounting and dismounting the lock-up.
摘要:
An electrical connector includes a connector body (2), and a plurality of passageways (20). A passageway retention wall (202) extends into each of the passageways. Each of the terminals (3) has a terminal retention section (322) defining thereof a retention edge, which is adapted to be rested on said passageway retention wall for securing the terminal onto the connector body. This arrangement will prevent the connector body to be removed therefrom by an improperly upward force, such as force applied to pull out the mating component from the electrical connector.
摘要:
An extender (1) comprises a female connector (2) and a male connector (3) assembled together to be electrical connection to a printed circuit board (9). A plurality of differential pairs of signal contact (51) and a plurality pairs of ground contact (53) with the pairs of signal contacts (51) arranged therebetween are secured in the extender (1). Each of the differential pairs of signal contact (51) and ground contact (53) has a first contact engaging portion (511), (531) which accessible from the female connector (2), and includes a second contact engaging portion (513), (533) extending away from the first engaging portion (511), (531) and accessible from the male connector (3). The ground contact further comprises a tail portion (535) that is orthogonal to the first and second contact engaging portion (531), (533) for electrical connection to the printed circuit board.
摘要:
A high speed electrical connector assembly (1) comprises a female connector (2) and a male connector (3) assembled together to be electrical connection to a printed circuit board (9). A plurality of differential pairs of signal contact (51) and a plurality pairs of ground contact (53) with the pairs of signal contacts (51) arranged therebetween are secured in the connector assembly (1). Each of the differential pairs of signal contact (51) has a first contact engaging portion (511) which is accessible from the female connector (2), and includes a second contact engaging portion (513), extending away from the first engaging portion (511) and accessible from the male connector (3). A shielding bus (10) is electrically interconnecting to at least one of the ground contact (53), and includes a shroud portion substantially enclosing the median portion of the pair of signal contacts (51).
摘要:
An electrical connector assembly comprises a cable end first connector and a board end second connector engaging with said first connector. Said second connector comprises a dielectric housing defining a first end face, a second end face in opposite side of said first end face, a pair of opposite side walls perpendicular to said second end face. Each of said side walls has a top panel perpendicularly extending out from the inner top edge thereof; a pair of second grounding contacts respectively received in the housing, one end of each of said second grounding contacts exposed for electrically connecting the grounding circuit of a printed circuit board, another end of each of said second grounding contacts partially exposed on the lower surface of said top panel.
摘要:
In a LEO satellite system with the implementation of a virtual network, a method and a system are proposed for arranging an optimal route for data packets to travel. The method and system will diversify the traffic between satellites, and accordingly enhance the efficient use of the entire satellite system. An intermediary satellite is first selected between a source satellite and a destination satellite. Further, an optimal route is found among a plurality of shortest paths between the source satellite and the intermediary satellite, and subsequently another optimal route is found between the intermediary satellite and the destination satellite. Once an optimal route is determined, the route information can be encoded in the header segment of data packets. The data packets will travel from the source satellite, via the intermediary satellite, and eventually to the destination satellite without requiring any satellite to transfer routing tables, and without unnecessarily over burdening the traffic along the way between the source satellite and the destination satellite. By doing so, more communication connections can be made for billable wireless services. Moreover, a randomized selection of an intermediary satellite provides an optimal route, and consequently reduces, if not eliminates, the need for traffic congestion control.
摘要:
Inhibitors of leukotriene A.sub.4 hydrolase are disclosed, corresponding to Formula I, below: ##STR1## wherein the depicted --NH.sub.2 group is in the (S) configuration; --W is --CH.sub.2 SH, --CH.sub.2 NH.sub.2 or C(.dbd.Z)--Y, wherein .dbd.Z is .dbd.O, or --H and --OH; and --Y is selected from the group consisting of (a) phenyl, (b) trifluoromethylphenyl, (c) carboxyphenyl, (d) benzyl, (e) C.sub.1 -C.sub.6 alkylenecarboxyl, (f) C.sub.1 -C.sub.6 alkyl, (g) C.sub.2 -C.sub.6 alkenyl, (h) C.sub.1 -C.sub.6 alkylenephenyl and (i) --C(.dbd.O)--X--R.sup.1 wherein X is O or NH and, R.sup.1 is selected from the group consisting of C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkylenecarboxyl, and benzyl; R.sup.2 is hydrogen, benzyloxy or 2-naphthylmethyloxy, and a pharmaceutically acceptable acid addition salt thereof. Inhibitors wherein --W is --CH.sub.2 SH, --CH.sub.2 NH.sub.2 or C(.dbd.Z)--Y wherein .dbd.Z is .dbd.O and --Y is --C(.dbd.O)--X--R.sup.1 are particularly preferred, as are those compounds wherein .dbd.Z is .dbd. O and --Y is selected from the group consisting of (a) phenyl, (b) trifluoromethylphenyl, (c) carboxyphenyl, (d) benzyl, (e) C.sub.1 -C.sub.6 alkylenecarboxyl, (f) C.sub.1 -C.sub.6 alkyl, (g) C.sub.2 -C.sub.6 alkenyl, (h) C.sub.1 -C.sub.6 alkylenephenyl. An inhibitor where --W is --CH.sub.2 SH, --CH.sub.2 NH.sub.2 or C(.dbd.Z)--Y wherein .dbd.Z is .dbd.O and --Y is --C(.dbd.O)--X--R.sup.1 is particularly preferred, as are those inhibitor compounds where .dbd.Z is .dbd.O and --Y is (a)--(h).
摘要:
A system for wireless communication in a network includes: a resource-restricted device transmitting a data frame to be forwarded to a destination device in the network, wherein the data frame includes a source identifier of the resource-restricted device, wherein the source identifier is not a valid network address for the network; a proxy device receiving the data frame from the resource-restricted device, deriving a network address for the resource-restricted device as a function of the source identifier of the resource-restricted device, and constructing, from the data frame, a packet to be forwarded to at least the destination device. Constructing the packet involves: including, in the packet, data from the data frame, and including, in the packet, the derived network address for the resource-restricted device as a source address for the packet. The proxy device associates a delay to the packet, and schedules transmission of the packet after the delay.
摘要:
A mechanism for synchronously varying pitch of a multi-blade rotor, such as rotors used in wind or hydraulic generator and helicopter is provided in the present invention. Said sync-pitch-varying mechanism for the rotor mainly comprises a bearing a driver, a transmission, a linkage and a control unit, wherein said transmission includes a shaft coupling, a ballscrew, an intermediate cylinder, a driven shaft and a transition cylinder; said linkage includes a link hub, a guide support and multiple links; said control unit includes a speed sensor, a position sensor, a switch and a programmable controller; a rotatory driving force output by said driver through the shaft coupling is transmitted to the driven shaft through a screw-and-nut transmission between the ballscrew and the intermediate cylinder of said transmission so as to drive the driven shaft to move in a linear motion which is then transferred from the driven shaft to the link hub of the linkage through means of the transition cylinder; said controller is configured to enable the driven shaft to move reciprocally within a predefined range of length in order to move the link hub back and forth along the guide support in an axial direction thereof, and therefore multiple bearings for supporting the blades of the rotor are rotatably movable through the multiple links of the link hub 131. Advantageously, the mechanism of the invention has a simple and compact structure, low cost and high reliability, and the operation is easy to be controlled precisely.