Patent application number | Description | Published |
20090002254 | Circularly or Linearly Polarized Antenna - The invention relates to an antenna that produces a radiation pattern that is axisymmetric about a geometrical axis (X) and exhibits a radiation maximum in a plane perpendicular to the direction of said X axis that includes a feed wire extending along said axis (X) from a first end situated level with a conducting surface forming an earth plane of the antenna to a second end that feeds a set of N radiating strands, N being an integer, characterized in that it also includes at least one earth return rod for the strands, said rod linking one of the radiating strands of the set to the earth plane. | 01-01-2009 |
20100005891 | MICROWAVE DEVICE FOR CONTROLLING MATERIAL - The invention relates to a device for controlling a material, said device comprising at least means for transmitting an electromagnetic signal at a carrier frequency Fp to illuminate the material and means for receiving the electromagnetic signal, characterized in that said device further comprises first means for modulating the electromagnetic signal at a frequency Fm1, said modulation means being arranged, on the signal path, between the transmission means and the material in order to spatially sample the emitted electromagnetic signal; second means for modulating the electromagnetic signal at a frequency Fm2, said modulation means being arranged, on the signal path, between the material and the electromagnetic signal reception means in order to spatially sample the electromagnetic signal passed through the material. | 01-14-2010 |
20100134378 | MULTI-BAND ANTENNA FOR SATELLITE POSITIONING SYSTEM - A stacked multi-band antenna for a satellite positioning system comprises a stack of conductive patches, which are each dimension so as to be respectively operative in a dedicated frequency band. An excitation line section comprising pairs of conductive strips is arranged underneath the stack of conductive patches. Each pair of conductive strips is adapted for radiatively coupling to an associate conductive patch of the stack of conductive patches. An RF front end with at least one electric circuit is arranged in a triplate section underneath the excitation line section for operatively connecting the pairs of conductive strips to a satellite positioning receiver. The at least one electric circuit includes filters and amplifiers for respectively filtering and amplifying signals from the pairs of conductive strips, during antenna operation. | 06-03-2010 |
20100320996 | DEVICE AND METHOD FOR DETERMINING AT LEAST ONE VALUE ASSOCIATED WITH THE ELECTROMAGNETIC RADIATION OF AN OBJECT BEING TESTED - The invention relates to a device ( | 12-23-2010 |
20110121839 | IMPROVEMENTS IN THE DETERMINATION OF AT LEAST ONE VALUE ASSOCIATED WITH THE ELECTROMAGNETIC RADIATION OF AN OBJECT UNDER TEST - The invention relates to a device ( | 05-26-2011 |
20110279320 | SYSTEM FOR EMITTING ELECTROMAGNETIC BEAMS, COMPRISING A NETWORK OF ANTENNAE - This invention relates to a system for emitting electromagnetic beams, comprising a network of elements for the far-field emission of electromagnetic beams, the signals coming from and/or arriving towards each element weighted by excitation coefficients digitally determined by calculation means. According to the invention, the system comprises: a second separate network of sensors arranged close to the network of radiating elements in order to measure the near field radiated by the elements, means for calculating the far field radiated by the network from the near field actually measured by the sensors, and means for calculating the correction of the excitation coefficients of the elements from the difference between the far field calculated from the measurement of the near field and a pre-determined nominal far field. | 11-17-2011 |
20130187815 | METHOD AND DEVICE FOR ELECTROMAGNETICALLY TESTING AN OBJECT - The invention relates to a method for electromagnetic testing of an object, a method in which electromagnetic radiation is sent by a probe ( | 07-25-2013 |
20130207680 | DEVICE FOR THE ELECTROMAGNETIC TESTING OF AN OBJECT - The invention relates to a device for the electromagnetic testing of an object, comprising a network of electromagnetic probes ( | 08-15-2013 |