Abstract: Provided is a vehicle-road cooperation street lamp for an urban road. The vehicle-road cooperation street lamp for an urban road comprises a vehicle-road cooperation street lamp body, wherein a first supporting plate is transversely arranged on the front side of the top of the vehicle-road cooperation street lamp body, a transmission cavity is transversely formed in the first supporting plate, a first electric telescopic rod is transversely arranged in the inner cavity of the transmission cavity and located on the outer wall of the vehicle-road cooperation street lamp body, and a rack plate is transversely arranged on the front side of the first electric telescopic rod and located in the transmission cavity.

Abstract: Provided is a vehicle-road cooperation street lamp for an urban road. The vehicle-road cooperation street lamp for an urban road comprises a vehicle-road cooperation street lamp body, wherein a first supporting plate is transversely arranged on the front side of the top of the vehicle-road cooperation street lamp body, a transmission cavity is transversely formed in the first supporting plate, a first electric telescopic rod is transversely arranged in the inner cavity of the transmission cavity and located on the outer wall of the vehicle-road cooperation street lamp body, and a rack plate is transversely arranged on the front side of the first electric telescopic rod and located in the transmission cavity.

Abstract: A method is for preparing 1-(4-chlorophenyl)-2-cyclopropyl-1-propanone and an intermediate thereof, where in the method for preparing a compound of formula (I), ?-alkoxy p-chlorobenzyl phosphonate (II) and cyclopropyl methyl ketone are used as raw materials, and subjected to a Homer-Wadsworth-Emmons reaction in an organic solvent in the presence of a base, so as to prepare a derivative of alkoxy propylene with the structure of formula (III); and the resulting derivative of alkoxy propylene (III) is hydrolyzed under acidic conditions to obtain 1-(4-chlorophenyl)-2-cyclopropyl-1-propanone (I).

Abstract: A method is for preparing 1-(4-chlorophenyl)-2-cyclopropyl-1-propanone and an intermediate thereof, where in the method for preparing a compound of formula (I), ?-alkoxy p-chlorobenzyl phosphonate (II) and cyclopropyl methyl ketone are used as raw materials, and subjected to a Homer-Wadsworth-Emmons reaction in an organic solvent in the presence of a base, so as to prepare a derivative of alkoxy propylene with the structure of formula (III); and the resulting derivative of alkoxy propylene (III) is hydrolyzed under acidic conditions to obtain 1-(4-chlorophenyl)-2-cyclopropyl-1-propanone (I).

Abstract: The present invention provides methods and apparatuses for interfacing high-layer applications to Link Capacity Adjustment Scheme (LCAS) on Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) edge nodes. These applications include high-level control protocols, such as Generalized Multiprotocol Label Switching (GMPLS) and Optical Switching and Routing Protocol (OSRP), and user-initiated cross-connect creation and termination. The present invention provides a mechanism that is capable of mapping SONET/SDH connections to Virtual Concatenated Groups (VCGs), thus enabling an efficient interface for operators to control and manage the connections via LCAS. As part of the mechanism, the existing LCAS protocol state machine is enhanced such that the operators can shut down bi-directional SONET/SDH flows from a single edge node, as opposed to from both source and sink nodes, as provided for by existing specifications.

Abstract: A modular jack (100) includes an insulative housing (20) having a base wall (22) and a peripheral lateral wall (26) projecting in generally normal relation from the base wall to define an interior cavity (30), a number of conductive contacts (40) fastened to the outer side of the lateral wall and extending into the interior cavity, and an insulative spacer (60) installed in the interior cavity for positioning the contacts therein.

Abstract: A modular connector (100) includes an insulative housing (1) defining a chamber (10). A terminal module insert (3) is fixedly received in the chamber and defines a plurality of passageways (330) therein. A plurality of terminals (34) are received in the passageways of the insert. Each terminal includes a mounting end (341), a fixing portion (342) engaging with a corresponding passageway of the insert and a mating end (344) downwardly and rearwardly extending from the fixing portion for engaging with a contact of a mating connector in a front-to-rear direction. The terminals have positioning portions at the fixing portions. The positioning portions are oriented perpendicularly to the front-to-rear direction.

Abstract: An electrical connector (100) mounted on a mother printed circuit board includes an insulative housing (1) defining a plug-receiving cavity (10), a conductive outer shield (2) enclosing the insulative housing, a terminal module (3) and a daughter circuit board (4) assembled into the plug-receiving cavity of the housing, and a connecting module (6) electrically connecting with the daughter circuit board. The connecting module includes a pair of first connecting contacts (61) for contacting with the daughter circuit board, a pair of second connecting contacts (62) for contacting with the mother printed circuit board and mode choke coils (65) for connecting with the first and the second connecting contacts. The electrical connector further includes a dielectric block (7) positioned between the second connecting contacts and the daughter circuit board.

Abstract: A modular jack (100) includes an insulative housing (20) having a base wall (22) and a peripheral lateral wall (26) projecting in generally normal relation from the base wall to define an interior cavity (30), a number of conductive contacts (40) fastened to the outer side of the lateral wall and extending into the interior cavity, and an insulative spacer (60) installed in the interior cavity for positioning the contacts therein.

Abstract: An electrical connector assembly (100) mounted on a printed circuit board includes an insulative housing (1) defining an upper space (10) and a lower space (11), a contact module (2) received in the upper space, a stacked USB (3) received in the lower space, a daughter circuit board (5) and a transform module (6). The contact module includes a plurality of conductive terminals (22) for soldering to the daughter circuit board. The stacked USB includes a dielectric body (31) and a metal frame for shielding the body. The metal frame includes a grounding finger (33) for electrically connecting the daughter circuit board, thereby forming an electrical connection between the electrical connector assembly and the printed circuit board.

Abstract: The present invention provides methods and apparatuses for interfacing high-layer applications to Link Capacity Adjustment Scheme (LCAS) on Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) edge nodes. These applications include high-level control protocols, such as Generalized Multiprotocol Label Switching (GMPLS) and Optical Switching and Routing Protocol (OSRP), and user-initiated cross-connect creation and termination. The present invention provides a mechanism that is capable of mapping SONET/SDH connections to Virtual Concatenated Groups (VCGs), thus enabling an efficient interface for operators to control and manage the connections via LCAS. As part of the mechanism, the existing LCAS protocol state machine is enhanced such that the operators can shut down bi-directional SONET/SDH flows from a single edge node, as opposed to from both source and sink nodes, as provided for by existing specifications.

Abstract: An electrical connector (100) mounted on a mother printed circuit board includes an insulative housing (1) defining a plug-receiving cavity (10), a conductive outer shield (2) enclosing the insulative housing, a terminal module (3) and a daughter circuit board (4) assembled into the plug-receiving cavity of the housing, and a connecting module (6) electrically connecting with the daughter circuit board. The connecting module includes a pair of first connecting contacts (61) for contacting with the daughter circuit board, a pair of second connecting contacts (62) for contacting with the mother printed circuit board and mode choke coils (65) for connecting with the first and the second connecting contacts.

Abstract: An electrical connector (100) mounted on a main printed circuit board includes a dielectric housing (1) defining a receiving cavity (10) and an insert module (2) received in the housing. The insert module includes an insulative base (21) defining a groove (20), an internal circuit board (220) fixed in the groove and a number of conductive terminals (23) mounted on the base. Each terminal includes a body portion (230) fixed in the base, a contacting portion (231) extending upwardly and rearwardly from the body portion and exposed in the receiving cavity, and a mounting portion (232) extending rearwardly from the body portion for mounting on the internal circuit board.

Abstract: An electrical connector (100) mounted on a mother printed circuit board includes an insulative housing (1) defining a plug-receiving cavity (10), a conductive outer shield (2) enclosing the insulative housing, a terminal module (3) and a daughter circuit board (4) assembled into the plug-receiving cavity of the housing, and a connecting module (6) electrically connecting with the daughter circuit board. The connecting module includes a pair of first connecting contacts (61) for contacting with the daughter circuit board, a pair of second connecting contacts (62) for contacting with the mother printed circuit board and mode choke coils (65) for connecting with the first and the second connecting contacts. The electrical connector further includes a dielectric block (7) positioned between the second connecting contacts and the daughter circuit board.

Abstract: An electrical connector assembly (100) mounted on a printed circuit board includes an insulative housing (1) defining an upper space (10) and a lower space (11), a contact module (2) received in the upper space, a stacked USB (3) received in the lower space, a daughter circuit board (5) and a transform module (6). The contact module includes a plurality of conductive terminals (22) for soldering to the daughter circuit board. The stacked USB includes a dielectric body (31) and a metal frame for shielding the body. The metal frame includes a grounding finger (33) for electrically connecting the daughter circuit board, thereby forming an electrical connection between the electrical connector assembly and the printed circuit board.

Abstract: A modular connector (100) includes an insulative housing (1) defining a chamber (10). A terminal module insert (3) is fixedly received in the chamber and defines a plurality of passageways (330) therein. A plurality of terminals (34) are received in the passageways of the insert. Each terminal includes a mounting end (341), a fixing portion (342) engaging with a corresponding passageway of the insert and a mating end (344) downwardly and rearwardly extending from the fixing portion for engaging with a contact of a mating connector in a front-to-rear direction. The terminals have positioning portions at the fixing portions. The positioning portions are oriented perpendicularly to the front-to-rear direction.

Abstract: An electrical connector (100) mounted on a main printed circuit board includes a dielectric housing (1) defining a receiving cavity (10) and an insert module (2) received in the housing. The insert module includes an insulative base (21) defining a groove (20), an internal circuit board (220) fixed in the groove and a number of conductive terminals (23) mounted on the base. Each terminal includes a body portion (230) fixed in the base, a contacting portion (231) extending upwardly and rearwardly from the body portion and exposed in the receiving cavity, and a mounting portion (232) extending rearwardly from the body portion for mounting on the internal circuit board.

Abstract: An electrical connector (100) mounted on a mother printed circuit board includes an insulative housing (1) defining a plug-receiving cavity (10), a conductive outer shield (2) enclosing the insulative housing, a terminal module (3) and a daughter circuit board (4) assembled into the plug-receiving cavity of the housing, and a connecting module (6) electrically connecting with the daughter circuit board. The connecting module includes a pair of first connecting contacts (61) for contacting with the daughter circuit board, a pair of second connecting contacts (62) for contacting with the mother printed circuit board and mode choke coils (65) for connecting with the first and the second connecting contacts.

Abstract: A modular jack (1) including a dielectric housing (10) and a terminal module (20) inserted in the housing. The housing includes a pair of opposite side walls (100) and opposite top and bottom walls (101,102) perpendicular to the pair of side walls. A room (103) is defined by the top wall, bottom wall and side walls to receive the terminal module. The bottom wall has a pair of first locking protrusion (107) defined on an upper surface. The terminal module includes a dielectric plate (200) and a plurality of terminals (201) insert molded in the plate. The plate has a pair of second locking recesses (204) defined on a lower surface. The terminal module is locked in the housing, via the first locking protrusion projecting into the second locking recesses, thereby preventing the terminal module from offsetting from the housing.