Abstract: A bidirectional Cartesian-cylindrical converter system and method for converting the spatial distribution of polarization states include a radial polarization converter capable of receiving a linearly polarized, spatially uniform, polarization distribution beam in order to convert it into a beam having a radial or azimuthal distribution of polarization states about an axis of symmetry. An optical device compensates for the phase shift induced by the radial polarization converter and is capable of introducing a spatially uniform phase shift to compensate for the phase shift introduced by the.

Abstract: The invention relates to a method for measuring the magnetic permeability of a magnetic material by measuring the magnetic interaction of an electromagnetic field with this material by using a measuring device including a measuring cell connected through a microwave frequency cable (13) to a vector network analyser (12), said method comprising steps for gauging/calibrating said measuring device, for determining corrective coefficients to be applied to the measurements obtained by means of this device, for verifying the non-drift of this device, these steps being carried out with the help of a reference sample, wherein a reference sample is used, comprising at least one inclusion which enables creation, in a given volume, of a local artificial permeability, each inclusion being achieved by combining at least one inductive component possibly associated with a combination of at last one capacitive and/or resistive and/or active component, the frequency response of the electromagnetic properties of each volume be

Abstract: The invention relates to a method for measuring the magnetic permeability of a magnetic material by measuring the magnetic interaction of an electromagnetic field with this material by using a measuring device including a measuring cell connected through a microwave frequency cable (13) to a vector network analyser (12), said method comprising steps for gauging/calibrating said measuring device, for determining corrective coefficients to be applied to the measurements obtained by means of this device, for verifying the non-drift of this device, these steps being carried out with the help of a reference sample, wherein a reference sample is used, comprising at least one inclusion which enables creation, in a given volume, of a local artificial permeability, each inclusion being achieved by combining at least one inductive component possibly associated with a combination of at last one capacitive and/or resistive and/or active component, the frequency response of the electromagnetic properties of each volume be

Abstract: An electronic device furnished with magnetic screening having a peak of resonant magnetic losses. The screening includes at least one inductive winding constituted by at least one segment of metallic wire wound around at least one assembly of magnetic filaments.

Abstract: A peripheral device includes a printer printing a paper sheet, a cutter cutting the paper sheet, and a mechanism for receiving instructions. The printer includes a first print head to print text or drawings on a paper sheet by ink ejection as a function of the received instructions, a second print head to eject an absorbent ink, as a function of the received instructions, capable of in depth penetration into the paper sheet, the absorbent ink being deposited on the locations to be cut out. The cutter includes a low power laser emitting a light beam with a wavelength absorbed by locations marked with absorbent ink, the power of the laser being sufficient to cut the paper sheet at the inked locations and/or for partial ablation of the paper. A computer system includes the device and a method creates documents or paper objects using the computer system.

Abstract: The device and process allow for continuous processing of metal wire sheathed in glass (10) of considerable length. Normally a feed pipe (15) containing all the necessary metal, itself placed into a glass tube (20), so as to continuously supply a bead (14) to the lower part of the glass tube (20). Heat from a first inductor (23) around the glass tube (20) and a second inductor (24) under the glass tube (20) allow to maintain a bead (14) at a stable temperature and in a continuous manner and to obtain the continuous drawing process of a metal wire sheathed in glass (10).

Abstract: A method and computer program product for scoring sheets of a document that includes at least two sheets assembled along a binding line includes scoring at least one fold line on a first sheet from one edge of the sheet to another edge of the sheet. The method and computer program product also include scoring, on a next sheet, at least one fold line parallel to the at least one fold line on the preceding sheet at a distance offset relative to the at least one fold line by an increment value that is proportional to a thickness of the next sheet. The method and computer program product also include repeating the preceding scoring step for other sheets of the document.

Abstract: A method and computer program product for assembling sheets of paper include cutting at least one “female” cut motif having a female slit in a first sheet. For each female slit, the method and computer program product include cutting in a second sheet a “male” cut motif having a central portion and two cuts at either end of the central portion. Further, the method and computer program product include cutting in each other sheet at least one “female” motif or “male” motif such that other sheets all have the same motif. The method also includes assembling each of the sheets having the same motif with the sheet having a different motif by inserting the central portion of the “male” motif into the female slit of the “female” motif.

Abstract: A method and a computer program product storing a program for tagging at least one sheet in a document comprising at least two sheets. The method and computer program product include cutting the at least one sheet by forming a cut in the at least one sheet so as to produce a tab in the at least one sheet. The cut is formed along a cut line from a point close to an edge of the at least one sheet to the edge of the at least one sheet. Further, the method and computer program product include repeating the cutting step for other sheets of the document.

Abstract: A high-impedance substrate including a first layer made of insulating material, having a lower face and an upper face, the substrate including conductor patterns mechanically linked to the substrate. Some of the conductor patterns mechanically linked to the substrate are associated with a magnetic tile. At least one electrical interconnection puts two points distinct from one another of a conductor pattern mechanically linked to the substrate in electrical contact, this conductor pattern having an assigned magnetic tile, passing above the magnetic tile associated with the conductor pattern mechanically linked to the substrate.

Abstract: An electronic device furnished with magnetic screening having a peak of resonant magnetic losses. The screening includes at least one inductive winding constituted by at least one segment of metallic wire wound around at least one assembly of magnetic filaments.

Abstract: A high-impedance substrate including a first layer made of insulating material, having a lower face and an upper face, the substrate including conductor patterns mechanically linked to the substrate. Some of the conductor patterns mechanically linked to the substrate are associated with a magnetic tile. At least one electrical interconnection puts two points distinct from one another of a conductor pattern mechanically linked to the substrate in electrical contact, this conductor pattern having an assigned magnetic tile, passing above the magnetic tile associated with the conductor pattern mechanically linked to the substrate.

Abstract: A peripheral device includes a printer printing a paper sheet, a cutter cutting the paper sheet, and a mechanism for receiving instructions. The printer includes a first print head to print text or drawings on a paper sheet by ink ejection as a function of the received instructions, a second print head to eject an absorbent ink, as a function of the received instructions, capable of in depth penetration into the paper sheet, the absorbent ink being deposited on the locations to be cut out. The cutter includes a low power laser emitting a light beam with a wavelength absorbed by locations marked with absorbent ink, the power of the laser being sufficient to cut the paper sheet at the inked locations and/or for partial ablation of the paper. A computer system includes the device and a method creates documents or paper objects using the computer system.

Abstract: The invention relates to a resonant ultra-high frequency circuit and a tuneable ultra-high frequency filter using the resonant circuit. The resonant circuit comprises at least one resonant microstrip line element, the resonant microstrip line element comprising a conducting ribbon (1) and a ground plane (4). The resonant circuit comprises at least one composite element (3) composed of an alternation of ferromagnetic layers and insulating layers located between the conducting ribbon and the ground plane.

Abstract: The aerial comprises an element (20) capable of radiating or receiving an electromagnetic field, a conductive plane (22), and an anisotropic composite 24, formed by a stack of alternate ferromagnetic and electrically insulated layers. These layers or film are perpendicular to the conductive plane and to the electrical component (E) of the radiated or received field.

Abstract: The device and process allow for continuous processing of metal wire sheathed in glass (10) of considerable length.

Abstract: The present invention relates to a system for authenticating manufactured articles provided with magnetic markings, by means of a device for detecting such markings, in which each marking comprises at least one amorphous ferromagnetic filament, of diameter less than 20 &mgr;m provided with a glass sheath of thickness less than 10 &mgr;m, in which the detection device is a portable device for detecting such ferromagnetic filaments. The present invention also relates to a method for marking such articles.

Abstract: The process determines the permeability of the magnetic material by disturbance of a hyper frequency coaxial line. In the process, a sample of the material is formed and placed in a hyper frequency coaxial line. The reflection and/or transmission of a hyper frequency electromagnetic wave on and/or through this coaxial line is measured and the result of this measurement is used to deduce the magnetic permeability of the material. The fractional volume of magnetic material in the sample compared with the volume of the disturbed coaxial line is less than 1%.

Abstract: The invention relates to a marked paper document and a marked paper document detection device. The device comprises excitation means (A1, A2, A3) for varying the magnetization of glass-covered amorphous ferromagnetic filaments contained in the marked paper document with time, and means for detecting a variation in the magnetization of the ferromagnetic filaments.

Abstract: The aerial comprises an element (20) capable of radiating or receiving an electromagnetic field, a conductive plane (22), and an anisotropic composite 24, formed by a stack of alternate ferromagnetic and electrically insulated layers. These layers or film are perpendicular to the conductive plane and to the electrical component (E) of the radiated or received field.