Abstract: An apparatus for estimating an ambient environment at which inorganic scale will form in a downhole fluid includes a stress chamber disposed in a borehole in a production zone at a location within a specified range of maximum pressure and configured to receive a sample of the fluid from the production zone and to apply an ambient condition to the sample that causes the formation of inorganic scale. An inorganic scale sensor is configured to sense formation of inorganic scale within the chamber and an ambient environment sensor is configured to sense an ambient environment within the chamber at which the formation of inorganic scale occurs. The apparatus further includes a processor configured to receive measurement data from the inorganic scale sensor and the ambient environment sensor and to identify the ambient environment at which the formation of inorganic scale occurs.

Abstract: An apparatus for estimating an ambient environment at which inorganic scale will form in a downhole fluid includes a stress chamber disposed in a borehole in a production zone at a location within a specified range of maximum pressure and configured to receive a sample of the fluid from the production zone and to apply an ambient condition to the sample that causes the formation of inorganic scale. An inorganic scale sensor is configured to sense formation of inorganic scale within the chamber and an ambient environment sensor is configured to sense an ambient environment within the chamber at which the formation of inorganic scale occurs. The apparatus further includes a processor configured to receive measurement data from the inorganic scale sensor and the ambient environment sensor and to identify the ambient environment at which the formation of inorganic scale occurs.

Abstract: An apparatus for estimating an ambient environment at which organic scale will form in a downhole fluid includes a stress chamber disposed in a borehole in a production zone at a location of maximum pressure and configured to receive a sample of the fluid from the production zone and to apply an ambient condition to the sample that causes the formation of organic scale. A sensor is configured to sense formation of organic scale within the chamber and an ambient environment sensor is configured to sense an ambient environment within the chamber at which the formation of organic scale occurs. The apparatus further includes a processor configured to receive measurement data from the organic scaling sensor and the ambient environment sensor and to identify the ambient environment at which the formation of organic scale occurs using the organic scaling sensor measurement data and ambient environment sensor measurement data.

Abstract: The invention concerns an optically transparent panel antenna assembly comprising an optically transparent antenna having an array of radiating elements that transmit or receive RF signals, said assembly comprising a reflector optically transparent, said reflector comprising a lower wall, two lateral walls each lateral wall extending therefrom the lower wall so that the array of radiating elements is maintained between both lateral walls of the reflector.

Abstract: An apparatus for estimating an ambient environment at which organic scale will form in a downhole fluid includes a stress chamber disposed in a borehole in a production zone at a location of maximum pressure and configured to receive a sample of the fluid from the production zone and to apply an ambient condition to the sample that causes the formation of organic scale. A sensor is configured to sense formation of organic scale within the chamber and an ambient environment sensor is configured to sense an ambient environment within the chamber at which the formation of organic scale occurs. The apparatus further includes a processor configured to receive measurement data from the organic scaling sensor and the ambient environment sensor and to identify the ambient environment at which the formation of organic scale occurs using the organic scaling sensor measurement data and ambient environment sensor measurement data.

Abstract: An apparatus for estimating an ambient environment at which inorganic scale will form in a downhole fluid includes a stress chamber disposed in a borehole in a production zone at a location within a specified range of maximum pressure and configured to receive a sample of the fluid from the production zone and to apply an ambient condition to the sample that causes the formation of inorganic scale. An inorganic scale sensor is configured to sense formation of inorganic scale within the chamber and an ambient environment sensor is configured to sense an ambient environment within the chamber at which the formation of inorganic scale occurs. The apparatus further includes a processor configured to receive measurement data from the inorganic scale sensor and the ambient environment sensor and to identify the ambient environment at which the formation of inorganic scale occurs.

Abstract: The invention relates to a panel antenna comprising: a ground plane (P); a dielectric substrate (11) having a permittivity (?1), the substrate (11) being located on the ground plane (P); at least one radiating source (Si), each radiating source consisting of a plurality of antenna elements (Eij), the antenna elements (Eij) being located on the substrate (11) and furthermore consecutively spaced apart, relative to one another, by a distance (de) shorter than one wavelength ?, the wavelength ? corresponding to the antenna operating frequency. The antenna is characterized in that it furthermore comprises a dielectric superstrate (12) having a permittivity (?2) higher than the permittivity (?1) of the substrate (11), the superstrate being located above the antenna elements (Eij), and in that the antenna elements (Eij) are all identical and have, in operation, identical radiation characteristics.

Abstract: The invention relates to a multibeam antenna for emitting/receiving a radiofrequency signal in a plurality of directions in at least one frequency band, the antenna including: a floorplan (P); a dielectric substrate (11) having a permittivity (?1), the substrate (11) being arranged on the floorplan (P); and a plurality of assemblies (Ei) of antenna elements arranged on the substrate (11), each assembly (Ei) corresponding to a direction of the antenna. The antenna according to the invention is characterized in that said antenna also includes a dielectric superstate (12), having a higher permittivity (?2) than the permittivity (?1) of the substrate (11), arranged on the assemblies (Ei) of antenna elements, and in that the assemblies (Ei) are interleaved one under the other so as to form a column, the assemblies (Ei) corresponding to a single antenna direction being separated by a number of assemblies equal to the number of antenna directions.

Abstract: The invention relates to a repeater system (1) for relaying the exchanges between a base station mobile telecommunication network and a user terminal, comprising an outside antenna (10) that can communicate with the base station, as well as retransmission means (20) connected to the outside antenna, wherein the retransmission means (20) are designed to act as the interface between the outside antenna (10) and an inside antenna (30) that can communicate with the user terminal to retransmit the signals received by either one of the antennae destined for the other antenna, characterized in that the outside antenna is an optically transparent planar antenna integrated into an optically transparent panel (2) used for the indoor lighting of a building.

Abstract: Pharmaceutical composition for treating oxidative stress induced pathology, comprising an association of the active ingredients methionine, cysteine and phenylalanine in association with at least one pharmaceutical excipient; said active ingredients being present in a methionine/phenylalanine molar ratio between 2.5 and 12.5; and in a methionine/cysteine molar ratio between 2 and 10.5; and the three active ingredients being present in free state, such as inner salt, or in the form of pharmaceutically acceptable salt; wherein said pharmaceutical composition is used for treating one of the oxidative stress induced pathologies, including intestinal system disorders, such as intestinal wall irritations, hemorrhoids of types 1, 2, 3 and 4 of Goligher classification. It is also disclosed the use of said composition in preparing a medication for treating oxidative stress induced pathology.

Abstract: The invention relates to a printed antenna comprising a ground plane, a substrate stacked to the ground plane, a metal deposit made on the substrate in order to form therein a resonating patch (3), and a means of supplying to excite the resonating patch, characterized in that the patch has dimensions that are adapted for the patch to be able to radiate in both upper electromagnetic modes TM02 and TM20, and in that the means of supplying makes it possible to excite the patch on an excitation point (4) arranged along the patch so that the patch resonates in a single of said upper electromagnetic modes, by inducing this way a dual-beam radiation diagram with, in the same plane orthogonal to the patch, two main misaligned and symmetric lobes in relation to the normal to the patch.

Abstract: The invention relates to a panel antenna comprising: a ground plane (P); a dielectric substrate (11) having a permittivity (?1), the substrate (11) being located on the ground plane (P); at least one radiating source (Si), each radiating source consisting of a plurality of antenna elements (Eij), the antenna elements (Eij) being located on the substrate (11) and furthermore consecutively spaced apart, relative to one another, by a distance (de) shorter than one wavelength ?, the wavelength ? corresponding to the antenna operating frequency. The antenna is characterized in that it furthermore comprises a dielectric superstrate (12) having a permittivity (?2) higher than the permittivity (?1) of the substrate (11), the superstrate being located above the antenna elements (Eij), and in that the antenna elements (Eij) are all identical and have, in operation, identical radiation characteristics.

Abstract: Various antenna arrangements are provided with active transmit and receive antenna elements for transmitting and receiving signals within a cellular communication system. Also, presented are specific base station antenna systems and methods, and portions thereof, which improve and control specific characteristics and features of antenna systems including antenna beam patterns. In addition, a method for the optimization of a cellular communications network is provided which exploits reverse-link, forward-link, and pilot signal information to optimize network operations.

Abstract: An flat antenna ground plane supporting body including a longitudinal channel defining a waveguide for the antenna and two rectangular grooves which extend along the length of the channel and which are arranged on either side of the channel so as to define a double quarter-wave trap. The part of the body between the channel and each groove is machined such that when the ground plane is mounted on the body, the part of the body is separated from the ground plane by an air cushion of a controlled dimension (b). The invention also relates to a flat antenna including a substrate, a substrate-supporting ground plane and a body as described above, to which the ground plane is applied or secured.

Abstract: The invention relates to a printed antenna comprising a ground plane, a substrate stacked to the ground plane, a metal deposit made on the substrate in order to form therein a resonating patch (3), and a means of supplying to excite the resonating patch, characterised in that the patch has dimensions that are adapted for the patch to be able to radiate in both upper electromagnetic modes TM02 and TM20, and in that the means of supplying makes it possible to excite the patch on an excitation point (4) arranged along the patch so that the patch resonates in a single of said upper electromagnetic modes, by inducing this way a dual-beam radiation diagram with, in the same plane orthogonal to the patch, two main misaligned and symmetric lobes in relation to the normal to the patch.

Abstract: The invention relates to a flat antenna system (10) comprising at least one sub-network of radiating elements (a1-a4) arranged on the surface of a substrate superimposed on a ground plane (5), wherein each sub-network consists of a plurality or radiating elements (3) supplied by the sub-network (b1-b4) power supply line to which they are connected, a slit (F1-F4) is embodied in the ground plane (5) in front of each sub-network (b1-b4) power supply line, the system also comprises a power transmission line (G) which is arranged with respect to the ground plane in such a way that an electromagnetic coupling is formed between said power transmission line and each sub-network power supply line by means of the slit. Said invention is characterised in that the power transmission line is positioned in such a way that it extends at an angle to the sub-network power supply lines.

Abstract: The invention relates to a repeater system (1) for relaying the exchanges between a base station mobile telecommunication network and a user terminal, comprising an outside antenna (10) that can communicate with the base station, as well as retransmission means (20) connected to the outside antenna, wherein the retransmission means (20) are designed to act as the interface between the outside antenna (10) and an inside antenna (30) that can communicate with the user terminal to retransmit the signals received by either one of the antennae destined for the other antenna, characterised in that the outside antenna is an optically transparent planar antenna integrated into an optically transparent panel (2) used for the indoor lighting of a building

Abstract: The present invention relates to a micro-wave plate antenna, especially for Doppler radar for example, of the type with a Janus configuration, made up of a plurality of linear sub-networks parallel among themselves, or of a single linear sub-network, each sub-network being made up of a plurality of radiating elements placed on each side of a sub-network feed line, the sub-networks being fed in phase, the length of the sub-network feed line is, between two neighboring elements, a whole multiple of the length of the wave guided over the substratum of the printed circuit on which are printed the radiating elements, and that corresponds to the operational frequency of the antenna.