Patent application number | Description | Published |
20080290967 | Offset footprint of a connector on a printed board - The present invention relates to a board receiving at least one connector, said board being constituted by a dielectric substrate comprising, on a first face, a first ground plane and on a second face, at least two transmission lines between which the connector and a footprint are mounted, characterized in that the footprint comprises a first element positioned between the two transmission lines under the connector, said first element forming with the first ground plane, a capacitive element and, at each extremity of the first element, second elements forming with the first element, a self-inductive and capacitive element, said second elements each extending by a second ground plane, the second ground planes being connected to the first ground plane. | 11-27-2008 |
20090066599 | Wide Band Dipole Antenna - The present invention relates to a compact wideband antenna of the dipole type comprising a first | 03-12-2009 |
20090096697 | Compact Portable Antenna for Terrestrial Digital Television - The present invention relates to a portable compact antenna formed from a first dipole type element operating in a first frequency band and comprising a first and at least one second conductive arm, differentially supplied, the first arm or cold arm forming at least one cover for an electronic card and the second arm or hot arm being constituted by a U-shaped conductive element realized on an insulating substrate. Further, a radiating element with bends is realized between the branches of the U-shaped element and is dimensioned to operate in a second frequency band. | 04-16-2009 |
20090102736 | Monopole antenna - The invention relates to a monopole antenna with a radiating element mounted onto a base by means of a mast, of which the radiating element is formed from two conductive strands, in U, the length L of each strand being chosen such that ¼ λg≦L≦½ λg, λg being the wavelength in a strand at a central radiation frequency F | 04-23-2009 |
20090121953 | Transmitting/Receiving Antenna with Radiation Diversity - The present invention relates to a transmission/reception antenna with diversity of radiation comprising on a substrate at least a first and a second radiating elements connected by a network of feeder lines to a transmission/reception circuit of electromagnetic signals, wherein the network is constituted by a first feeder line connected to a first radiating element and by a set of two second feeder lines each connected by means of a switching element to the second radiating element in such a manner as to supply the two radiating elements in phase or in phase opposition, the set of the two second feeder lines being connected to the first feeder line by a third feeder line, the first and third feeder lines being connected by a feeder line common to the transmission/reception circuit of electromagnetic signals. | 05-14-2009 |
20090135075 | Compact Multiband Antenna - The present invention relates to a compact multiband antenna constituted by a first dipole type element comprising a first conductive arm connected to a second conductive arm having the shape of a box, mounted on a ground plane, the first and the second arms being supplied differentially and a second element of the slot type realized on said ground plane in the extension of said second arm. | 05-28-2009 |
20090153425 | Dual-Band Antenna Front-End System - The present invention relates to a multiple-port dual-band antenna system and the associated interface formed by DPDT or SPDT switches, that can be integrated on one and the same multi-layer structure. | 06-18-2009 |
20090219219 | Antenna Arrays with Dual Circular Polarization - The invention consists of an antenna array, for the reception of two frequency bands, comprising two pairs of radiating elements and an network for excitation of these elements for the reception of one of the bands. The radiating elements are positioned so as to free the center of the array to allow colocalized reception of the other band. The excitation network comprises hybrid elements so as to introduce a certain phase shift between the radiating elements allowing a dual circular polarization. This network must comply with two constraints: The phase shift introduced between the hybrids must be equal to the phase shift of the hybrid modulo 2kπ k integer. and the length of the line L | 09-03-2009 |
20090231222 | Compact Portable Antenna for Digital Terrestrial Television with Frequency Rejection - The invention relates to a portable compact antenna formed from a first dipole type radiating element operating in a first frequency band and comprising a first and at least one second conductive arm, differentially supplied, the first arm, referred to as cold arm, forming at least one cover for an electronic card and the second arm, referred to as hot arm, being linked to the cold arm at the level of the supply. According to the invention, the hot arm comprises at least one slot resonating in a second frequency band such as the GSM band. | 09-17-2009 |
20090303128 | Optically Reconfigurable Multi-Element Device - The invention relates to an optically reconfigurable multi-element device. An optical matrix formed by a set of optical elements, such as elements of OLED type, makes it possible to actuate a matrix of photoconductive elements, which will allow connection to be made between the various elements of the device to be reconfigured. | 12-10-2009 |
20100045438 | Method of integrating an identification circuit into a data medium - The present invention relates to a method for integrating an identifier circuit in a data medium formed by at least one dielectric substrate covered by a conductive layer, the conductive layer comprising a part receiving data and a part without data. The method consists in etching in the part without data of the conductive layer, at least one resonating slot forming an antenna and coupling an integrated circuit to the slot. | 02-25-2010 |
20100127951 | MULTI- ANTENNA SYSTEM FEED DEVICE AND WIRELESS LINK TERMINAL EQUIPPED WITH SUCH A DEVICE - A multi-antenna system feed device and a terminal including such a device is suggested. | 05-27-2010 |
20100207837 | System of Diversity Dipole Antennas - The present invention relates to a diversity antennas system comprising at least two antennas of the dipole type each formed by a first and a second conductive arm, supplied differentially wherein the two antennas comprise a common arm called first arm forming at least one cover for an electronic card and each one a second arm mounted in rotation at one extremity of the first arm. | 08-19-2010 |
20100220015 | Compact antenna system with a diversity order of 2 - The present invention relates to a very compact antenna system with a diversity order of 2. An antenna system with a diversity order of 2 integrated on an electronic card comprising a first radiating element of F-inverted type with a first extremity connected to a ground plane, a second extremity free and a conductive power supply part, a second radiating element of F-inverted type with a first extremity connected to a ground plane, a second extremity free and a conductive power supply part, characterized in that the free extremities of the first and second radiating elements are opposite one another and are separated by a projecting element of the ground plane. | 09-02-2010 |
20100225553 | Compact antenna system - The present invention relates to an antenna system comprising on a substrate, at least a first and a second printed radiating elements, each supplied by a feed line, with, between the two radiating elements, at least one transmission line comprising a first extremity and a second extremity. The first and the second extremities of the transmission line are respectively coupled to the first and the second radiating elements according to a coupling function with a ratio 1:b, b>1 and a phase φ, linked to the physical difference between the radiating elements, the length of the transmission line bringing a phase difference θ such that θ compensates for φ. | 09-09-2010 |
20100240301 | REPEATER FOR RADIO FREQUENCY SIGNALS, AND FOR DIGITAL TELEVISION SIGNALS IN PARTICULAR - This invention concerns a repeater for radio frequency signals. | 09-23-2010 |
20100245207 | MULTI-SECTOR RADIATING DEVICE WITH AN OMNI-DIRECTIONAL MODE - The present invention relates to a multi-sector radiating device intended to receive and/or transmit electromagnetic signals, comprising at least, arranged on a plane substrate: | 09-30-2010 |
20110090125 | FRONT END BLOCK WITH INTERGRATED ANTENNA - The invention relates to an RF reception front end block comprising a first substrate and an RF integrated front end module integrated onto a second substrate supporting a radiating part of the antenna. | 04-21-2011 |
20110165853 | Antenna system comprising an electrically small antenna for reception of UHF band channel signals - The invention relates to an antenna system for reception of channel signals from the UHF band by a receiver, comprising an electrically small antenna. | 07-07-2011 |
20110187619 | SYSTEM OF TWO ANTENNAS ON A SUPPORT - The invention concerns a system of antennas on the same support. Each antenna is connected to a first port for the emission/reception in a first frequency band, and to a second port for the emission/reception in a second frequency band. The invention consists in a specific dimensioning of the support, such that the difference of the perimetric lengths separating the median points is a function of the half wavelength λ/2 modulo k λ, k positive integer, where λ is the wavelength corresponding to a working frequency fr. | 08-04-2011 |
20120098722 | METHOD FOR PRODUCING AN ANTENNA, OPERATING IN A GIVEN FREQUENCY BAND, FROM A DUAL-BAND ANTENNA - The present invention relates to a method for producing an antenna operating in a given frequency band, from a dual-band antenna. According to the method, the dual-band antenna is a broadband slot antenna that receives and/or transmits electromagnetic signals at a first frequency and at a second higher frequency. The antenna is powered by a single power supply line, and the free end of the power supply line is connected, by a connection means that can be opened or closed, to at least one means for rejecting one of the frequencies. This invention can be used in producing generic electronic boards. | 04-26-2012 |
20120146867 | Compact System of Multi-Beam Antennas - The present invention relates to a system of multi-beam antennas comprising M radiating sources and P networks of N radiating elements, P being greater than 1 and N being an even whole number, the network elements being connected two by two via transmission lines of the same electrical length. In addition, the P networks are co-located at the centre of each network, the M radiating sources are each positioned at a distance Li from said centre, the distance Li being strictly less than the distance of the field called the far field and i varying from 1 to M. | 06-14-2012 |
20120287005 | MULTIBEAM ANTENNA SYSTEM - The present invention relates to a multibeam antenna system comprising:
| 11-15-2012 |
20130002373 | HIGH REJECTION BAND-STOP FILTER AND DIPLEXER USING SUCH FILTERS - The present invention relates to a high rejection stop band filter and a diplexer using such filters. | 01-03-2013 |
20130285865 | PRINTED SLOT-TYPE DIRECTIONAL ANTENNA, AND SYSTEM COMPRISING AN ARRAY OF A PLURALITY OF PRINTED SLOT-TYPE DIRECTIONAL ANTENNAS - The present invention relates to a printed slot-type directional antenna. The invention also relates to antenna systems formed by arranging a plurality of such antennas in an array. The flared printed slot-type directional antenna includes a substrate having a floorplan, in which the slot is etched along a profile having a longitudinal axis, and a line for supplying power to the slot, and is characterized in that the substrate comprises at least one first and one second portion which are folded along an axis that is parallel to said longitudinal axis, and which form an angle A relative to one another. | 10-31-2013 |
20140111393 | COMPACT SLOT ANTENNA - The present invention relates to a compact slot antenna formed, in a multilayer substrate comprising, in order, at least one first conductive layer, a first dielectric layer, a second conductive layer, a second dielectric layer and a third conductive layer, of a first slot-line realised in the second conductive layer, said first slot-line being connected to the supply of the antenna, of a second and a third slot-lines realised respectively in the first and in the third conductive layers, the second and third slot-lines each being delimited by two conductive strips of which a first extremity, supply side, is interconnected by a via passing through a window realised in the second conductive layer and a second extremity connected to the second conductive layer, both conductive strips on the side of the second extremity being, either in open circuit, or in short circuit, the electrical length of the first, second and third slot-lines being a function of the wavelength at the operating frequency of the antenna. | 04-24-2014 |
20140159835 | DUAL-BAND MICROSTRIP-TO-SLOTLINE TRANSITION CIRCUIT - This invention relates to a microstrip to slotline transition circuit operating on two frequency bands, in which a first filtering circuit is connected between a first portion of microstrip line and a first input/output port, said first circuit and the portion of microstrip line being adapted to accept the frequencies from a first frequency band and reject the frequencies of a second frequency band, a second filtering circuit is connected between a second portion of microstrip line and a second input/output port, said second circuit and the portion of microstrip line being adapted to accept the frequencies from the second frequency band and reject the frequencies from the first frequency band, and the slotline is sized to provide an impedance that is substantially equal to the impedance of an open circuit at the coupling zone between the microstrip line and the slotline. | 06-12-2014 |
20140159987 | RADIO FREQUENCY DEVICE WITH COMPENSATION OF PERMITTIVITY DISPERSION OF THE SUBSTRATE AND ADJUSTMENT METHOD - The invention relates to a device for transmitting and/or receiving radio frequency signals comprising at least one antenna and/or at least one filter realised in printed technology on a dielectric substrate. According to the invention, this device is equipped with means for compensating the permittivity dispersions of the substrate. For this purpose, the device comprises a circuit for measuring the dielectric permittivity of the substrate able to deliver a measured permittivity value and adjustment means able to adjust the impedance of the antenna and/or the frequency response of said filter according to said measured permittivity value. | 06-12-2014 |
20150022280 | MICROSTRIP LINE/SLOT LINE TRANSITION CIRCUIT - The invention relates to a circuit for transition from a microstrip line to a slot line. According to the invention, the slot line of the transition circuit is equipped with a filter for providing on the slot line, at the crossover zone of the microstrip line and the slot line, an impedance substantially equal to the impedance of an open circuit for at least one desired frequency of the signal and an impedance substantially equal to the impedance of a short circuit for at least one undesirable frequency of the signal. Advantageously, the microstrip line is also equipped with a filter for providing on the microstrip line, at the crossover zone, an impedance substantially equal to the impedance of a short circuit for the desired frequency and an impedance substantially equal to the open-circuit impedance for the undesirable frequency. | 01-22-2015 |