Abstract: The invention relates to the field of couplings, and more specifically to a system for assembling a modular coupling (100) comprising at least a main body (101), a thread (109) around a central axis (X) with restricted freedom to move relative to said main body (101) at least in a direction parallel to said central axis (X), and a distinct toothed part (113) that is fastened to the main body (101) and that presents a set of teeth with at least one front tooth (115) projecting along an axis parallel to said central axis (X). The system comprises a plurality of alternative toothed parts each presenting a different set of teeth for selection as a function of a set of front teeth of another coupling to which the modular coupling (100) is to be coupled.

Abstract: A high-speed electrical connector with constant characteristic impedance according to the invention has at least one pair of connection elements (15) installed in an insert (25) of insulating material, and the end portion of said insert is shaped so as to define a baffle (37) between the two connection elements (15).

Abstract: A high-speed electrical connector with constant characteristic impedance according to the invention has at least one pair of connection elements (15) installed in an insert (25) of insulating material, and the end portion of said insert is shaped so as to define a baffle (37) between the two connection elements (15).

Abstract: An optical fiber connection device mainly made up of two coupling elements shaped to be inserted in cavities of two connector housings. Each coupling element (11A, 11B) includes a fiber bar (14) having an optical fiber segment (16) passing axially therethrough, and each bar is situated at a predetermined distance from a lens (13) held stationary in the corresponding coupling element; the two coupling elements include conical engagement endpieces.

Abstract: An optical fiber connection device mainly made up of two coupling elements shaped to be inserted in cavities of two connector housings. Each coupling element (11A, 11B) includes a fiber bar (14) having an optical fiber segment (16) passing axially therethrough, and each bar is situated at a predetermined distance from a lens (13) held stationary in the corresponding coupling element; the two coupling elements include conical engagement endpieces.

Abstract: The invention relates to a backshell coupling for connecting an electrical cable to an electrical component, the coupling comprising a first part having a cylindrical sleeve suitable for passing the cable, the sleeve having an end provided with a first pair of arms; and a second part having guide means for said cable and a second pair of arms, the free ends of the first arms facing the ends of the second arms, with one of the pairs of ends being disposed between the other pair of ends; means defining a pivot axis between the pairs of arms, the facing faces of said ends being provided with portions in relief for defining a plurality of relative angular positions between the two parts, the arms having their ends disposed between the ends of the other arms being elastically deformable; and means for temporarily deforming the arms.

Abstract: The invention relates to an antenna of colinear type. It comprises a radiating portion comprising: three substantially rectilinear conductive wire elements that are mutually parallel, comprising a central conductor and two lateral conductors; and 2N radiating zones constituted by alternating first radiating zones and second radiating zones: each first radiating zone further comprising a cylindrical conductive element whose axis coincides with said central wire element and which is electrically connected to both of said lateral wire elements; and each second radiating zone further comprises two cylindrical conductive elements whose axes coincide substantially respectively with the lateral wire elements, said cylindrical elements being electrically connected to said central wire element.

Abstract: The present invention provides a very small volume and broad band antenna for a portable appliance including a transceiver module with an independent ground and an antenna feed conductor, the antenna comprising a first conductive surface lying substantially in a first geometrical surface of non-closed curvilinear shape surrounding an inside space and connectable to the independent ground of the transceiver module of the appliance; and a second conductive surface disposed substantially in a second geometrical surface substantially coinciding with the first geometrical surface and situated in the inside space, and forming a radiating assembly connectable to the antenna feed conductor; whereby the antenna is semi-independent of the elements of the appliance.

Abstract: An internal antenna of small volume comprising: a conductive ground plane; a first conductive surface placed in an antenna plane substantially parallel to the ground plane and partially surrounding a portion of the antenna plane, and presenting first and second ends; a second conductive surface forming a main radiating assembly disposed essentially in said portion of the antenna plane, said two conductive surfaces not being connected together by any conductive electrical connection; an antenna conductor connected to said second conductive surface; first electrical connection means for connecting a first end of the first conductive surface to a first zone of the ground plane; and second electrical connection means for connecting said first surface at least in the vicinity of the second end of the first conductive surface to a second zone of the ground plane that is distinct from the first zone; the assembly constituted by said first conductive surface, the portion of the ground plane electrically interconne

Abstract: The invention provides an elongate antenna having a radiating portion constituted by an elongate conductor element. The elongate element is machined to include: N dipoles (where N is an integer not less than 2) made up of N rectilinear sections of said element in alignment; and N?1 phase-shifter elements, each phase-shifter element being interposed between two consecutive dipoles, each phase-shifter element having a section of the elongate conductor element folded into a U-shape and having branches which are substantially juxtaposed and which extend in a direction that is orthogonal to the common direction of the dipoles.

Abstract: The invention relates to a plug device for a standard electrical or optical connection cord (10) provided at an end with a cord plug (12) having a body which includes an external mechanical latch (16). The plug device comprises a plug body (20); a plug adapter (22) having external fastening means for engaging in said plug body; a packing body (30) including packing (32) of cylindrical shape; and a link part (28) having a first end for connection with said plug body and a second end for connection with said packing body; said plug adapter having an internal profile suitable for receiving said cord plug body (12) and having fastening means for engaging the cord plug body and for holding said latch (16) of the cord plug body in its inactive position.

Abstract: The invention relates to an antenna of colinear type.

Abstract: The present invention provides a very small volume and broad band antenna for a portable appliance including a transceiver module with an independent ground and an antenna feed conductor, the antenna comprising a first conductive surface lying substantially in a first geometrical surface of non-closed curvilinear shape surrounding an inside space and connectable to the independent ground of the transceiver module of the appliance; and a second conductive surface disposed substantially in a second geometrical surface substantially coinciding with the first geometrical surface and situated in the inside space, and forming a radiating assembly connectable to the antenna feed conductor; whereby the antenna is semi-independent of the elements of the appliance.

Abstract: The invention relates to an antenna of small dimensions.

Abstract: The invention relates to a plug device for a standard electrical connection cord provided with a cord plug that includes an external mechanical latch having a control lever. The device comprises a plug body; a plug adapter that can be fastened inside the plug body; a packing body including packing; and a link part having a first end for connection with the plug body and a second end for connection with the packing body. The plug adapter has an internal profile suitable for receiving the body of the cord plug and having fastening means for retaining the cord plug body and for holding said latch of the cord plug body in its inactive position.

Abstract: The invention relates to an internal antenna element of the patch type for a portable device. The element comprises a body of dielectric material, a conductive plate covering the top face of the dielectric, and a conductive strip covering one of the side faces of the dielectric, the strip being electrically connected along its top edge to one of the edges of said plate and being provided with electrical connection means for connecting said conductive strip to a ground plane that is to be placed against the bottom face of the dielectric body, the other three side faces having no metallization, means passing through the dielectric body for electrically connecting the hot point of an antenna conductor to said plate, and capacitor-forming means for providing capacitance between the plate and the ground plane when the antenna element is mounted on the ground plane, and located close to the side face of the dielectric body that is remote from its side face covered by said conductive strip.

Abstract: The invention relates to a hermaphrodite optical connector having two identical connector elements, each connector element comprising a housing (14) provided with a connection face (12) having optical conductor terminations (18) which occupy positions in the connection face that are symmetrical about a hermaphrodite axis contained in the connection face, and means for mechanical connection and positioning of the two connector elements, which means comprise n holes (24, 26, 28) formed in the connection face and n studs (20, 22, 30) projecting therefrom, a hole of one connector element being suitable for receiving the associated stud of the other connector element, and n being greater than one. Each connection hole (24, 26, 28) of a connector element is symmetrical with a connection stud (20, 22, 30) of the same connector element about the hermaphrodite axis (X-X′).

Abstract: The invention relates to a microstrip antenna for transmitting and receiving waves of wave length &lgr;. It comprises a first insulating plate and a first metallization effected on a face of said plate in order to form a ground plane; a second insulating plate and at least one second metallization effected on a face of said second plate and presenting dimensions smaller than those of the first metallization; at least one feedline connected to said first and second metallization; and spacer means fastened with the two plates in order to maintain the two plates in a predetermined relative position so that the two metallizations face each other and the second metallization is opposite the first.

Abstract: The invention relates to a device for accurately positioning the ends of optical fibers in a bundle. The comprises an elongate one-piece solid body in which a slot is formed that passes right through the body in a length direction, the section of said slot in planes perpendicular to the length direction being a closed curve having a first side and a second side that extend substantially parallel to each other, at least one of said sides being of undulating shape, being constituted by alternating peaks and troughs, the space defined by a trough and the facing portion of the other side being suitable for receiving an optical fiber with little clearance, the spaces corresponding to peaks being unsuitable for receiving respective fibers.