Selex Sistemi Integrati S.p.A. Patent applications |
Patent application number | Title | Published |
20140061876 | METHOD OF MANUFACTURING VERTICAL PIN DIODES - Disclosed is a vertical PIN diode having: an N-type layer; a cathode contact formed on a first portion of the N-type layer defining a cathode region; an intrinsic layer formed on a second portion of the N-type layer; a portion of a P-type layer formed on a first portion of the intrinsic layer and defining an anode region; an anode contact formed on the portion of the P-type layer defining the anode region; and a protection structure formed on a second portion of the intrinsic layer to laterally protect the portion of the P-type layer defining the anode region from an etching intended to expose the first portion of the N-type layer defining the cathode region, wherein the protection structure is formed by implanting ions in a further portion of the P-type layer, which laterally surrounds the portion of the P-type layer defining the anode region. | 03-06-2014 |
20130271312 | METHOD FOR DETERMINING AN ESTIMATE OF RADIAL SPEED OF RADAR ECHOES BY USING DOPPLER INFORMATION - The present disclosure concerns a method of post-processing of the radar data that uses information of Doppler speed obtained by coherent processing of the input data, in order to calculate the radial speeds of the detected objects, in particular close to waterbodies. The present disclosure further concerns a coherent radar provided with means suitable to implement the method of the present disclosure. | 10-17-2013 |
20130265186 | MODE S ANTI-REFLECTION ALGORITHM FOR ELIMINATING FALSE TRACKS DUE TO REFLECTED REPLIES IN GROUND RADAR SYSTEMS - A Mode S anti-reflection method for eliminating false tracks due to reflected replies in ground radar systems, wherein the information contribution of the replies (at the level of raw video) is analysed with the aim of calculating the position of the reflectors. The possible presence of ADS-B reports can be used, otherwise it will be effectuated a geometrical analysis of the distribution of the replies and will be compared with the plot(s) extracted by the radar sensor. The possibility of correlating along time the moving of the plots, their place of origin and average duration of the tracks generated by them will allow to understand whether the plot is relevant to a reflection or not. In the case of “reflection”, a reflectors map is updated automatically in order to avoid the enabling of the inizialization of the track in that area. | 10-10-2013 |
20130215272 | ANTI-PIRACY SYSTEM FOR THE MARITIME NAVIGATION IN CRITICAL AREAS, AND DEVICE FOR DATA EXTRACTION FROM ON BOARD SENSORS - The invention concerns a maritime anti-piracy system, for the recognition of suspect watercrafts around one or more co-operating ships to be protected. The system includes a shore-based control system having one or more centres, geographically distributed, with shore sensors for detecting watercrafts surveillance data. The system also includes a central station for collecting and elaborating watercrafts surveillance data and a bi-directional communication network between the one or more centres and the central station, in such a way that the central station be able to send commands to the shore-based sensors. The system also includes a communication system between the one or more centres and the one or more co-operating ships to be protected. | 08-22-2013 |
20130176573 | INTERFEROMETER AND METHOD FOR CONTROLLING THE COALESCENCE OF A PAIR OF PHOTONS - An interferometer for controlling the coalescence of a pair of photons, including: an optical source, which generates a first and a second pump pulse coherent with each other and shifted in time by a delay; and a first interferometric stage, which receives the first pump pulse and generates an antisymmetric state with two coalescent photons (1/√{square root over (2)}(|2 | 07-11-2013 |
20130169482 | METHOD FOR SYNTHESIZING AN ELECTRO-MAGNETIC PULSE IN THE TME DOMAIN, AND APPARATUS FOR THE IRRADIATION OF SUCH AN ELECTRO-MAGNETIC PULSE - The present invention concerns a method for the formation of a desired electromagnetic pulse by using an array of antennae in the time domain, and a relevant modular apparatus for the transmission of electromagnetic pulses, wherein each module is provided with means adapted to realize a programmed synchronization of the array. | 07-04-2013 |
20130169473 | METHOD FOR FILTERING OF CLUTTER BY SCAN-TO-SCAN CORRELATION USING DOPPLER INFORMATION - The present disclosure concerns a method for post-processing of radar data that uses information of Doppler speed as obtained by coherent processing of the input data, to reduce clutter due to waterbodies, in particular the sea clutter. The present disclosure further concerns a coherent radar provided with means suitable to implement the invention method. | 07-04-2013 |
20130142521 | Electro-Optical Single-Sideband Modulator - An electro-optical single-sideband modulator comprising:
| 06-06-2013 |
20130062667 | ENHANCEMENT/DEPLETION PHEMT DEVICE AND MANUFACTURING METHOD THEREOF - An embodiment of the present invention concerns a layered epitaxial structure for enhancement/depletion PHEMT devices, an enhancement/depletion PHEMT device and a method for manufacturing an enhancement/depletion PHEMT device that finds advantageous, but not exclusive, application in the manufacturing of integrated circuits operating at millimetre-wave and microwave frequencies. | 03-14-2013 |
20130038932 | Plasmonic Plate for Generating Optical Vortices - A plasmonic plate for generating optical vortices, formed by electrically conducting material and defining a plurality of slots that convert a first electromagnetic field having a non-null spin angular momentum into a second electromagnetic field having a non-null orbital angular momentum. | 02-14-2013 |
20130036702 | Shelter - A shelter having a longitudinal axis and equipped with a parallelepiped-shaped central element or module and two parallelepiped-shaped end elements or modules, which are aligned with the central module along the longitudinal axis and are rigidly connected to the central module at respective opposite axial ends of the central module; the central module has a first framework defined by a plurality of bars and closed by panels carried by the first framework, and each end module has a respective second framework, structurally independent from the first framework and formed by a plurality of tubes connected to one another by means of ISO-standard corner blocks defining the respective external vertices of the shelter. | 02-14-2013 |
20130027774 | Height Adjustable Phase Plate for Generating Optical Vortices - A phase plate including a plurality of surfaces arranged around a symmetry axis to reflect an incident electromagnetic field having a null orbital angular momentum, thereby generating a reflected electromagnetic field having an orbital angular momentum. The surfaces are arranged such that, with respect to a cylindrical reference system in which the azimuthal coordinate is measured in a plane perpendicular to the symmetry axis, the respective heights define a non-monotonic azimuthal profile, so that the reflected electromagnetic field forms an optical vortex whose topological charge is not associated one-to-one to the orbital angular momentum. | 01-31-2013 |
20130016004 | Photonic-Assisted Digital Radar SystemAANM Pierno; LuigiAACI RomaAACO ITAAGP Pierno; Luigi Roma ITAANM Dispenza; MassimilianoAACI RomaAACO ITAAGP Dispenza; Massimiliano Roma ITAANM Gatta; AlessandroAACI RomaAACO ITAAGP Gatta; Alessandro Roma ITAANM Fiorello; AnnamariaAACI RomaAACO ITAAGP Fiorello; Annamaria Roma ITAANM Secchi; AlbertoAACI RomaAACO ITAAGP Secchi; Alberto Roma ITAANM Ricci; MassimoAACI RomaAACO ITAAGP Ricci; Massimo Roma IT - A photonic-assisted digital radar system comprising an active electronically-scanned antenna; a transmitting section comprising a waveform generator to generate a modulating signal; and a modulator to receive a transmission carrier and the modulating signal and to modulate the transmission carrier by means of the modulating signal; and a receiving section comprising a photonic-assisted analog-to-digital converter to convert electric analog signals into electric digital signals; and a digital signal processor to receive and process the electric digital signals. The photonic-assisted analog-to-digital converter comprises a mode-locked laser to generate an optical clock signal; and an electronic analog-to-digital converter; wherein the electronic analog-to-digital converter, the waveform generator, the modulator and the digital signal processor are configured to operate based on electric clock signals generated based on the optical clock signal. | 01-17-2013 |
20120293506 | Avatar-Based Virtual Collaborative Assistance - A collaborative supportive system based upon avatar, comprising movement-tracking sensors, configured for tracking the movements of a user and of one or more parts of his body; a head-mounted display; and processors, configured for co-operating with the movement-tracking sensors and with the head-mounted display to cause the head-mounted display to display an avatar capable of moving around in an environment corresponding to the field of vision of the user and relating with the environment itself and with the user according to the assistance to be provided to the user. | 11-22-2012 |
20120211463 | PROCESS FOR REALIZATION OF POLYMERIC MATERIALS WITH SECOND ORDER NONLINEAR ELECTRO-OPTICAL PROPERTIES AND ELECTRO-OPTICAL DEVICES MADE WITH SAID MATERIAL - The present invention concerns a process for realization of polymeric materials with second order nonlinear electro-optical properties comprising the following steps:
| 08-23-2012 |
20120158366 | METHOD AND SYSTEM FOR DETERMINING SECOND-ORDER NONLINEAR OPTICAL COEFFICIENTS - Described herein is a method for determining second-order nonlinear optical coefficients of a material. The method envisages the steps of providing a specimen made at least in part of the material, causing a first optical signal and a second optical signal having, respectively, a first pulsation and a second pulsation, and a first polarization state and a second polarization state, to impinge upon the specimen in such a way that the specimen generates a second-harmonic optical signal having a third pulsation equal to the sum of the first and second pulsations, and a third polarization state that is a function of the first and second polarization states. The method further envisages the step of determining a plurality of measurements of power corresponding to the second-harmonic optical signal, and the step of determining the second-order nonlinear optical coefficients on the basis of the plurality of measurements of power. In addition, the method envisages performing a plurality of measurements of power of the second-harmonic optical signal as the first polarization state and the second polarization state vary. | 06-21-2012 |
20120146878 | Antenna Base - An antenna base provided of a hollow support body having a fixed lower portion and an upper portion aligned along a longitudinal axis, the upper portion being adapted to support an antenna and being rotationally mounted on the lower portion to rotate, in use, together with the antenna itself, about the longitudinal axis; the antenna base being further provided with an electric motor, which is adapted to rotate the upper portion and is provided for this purpose with a stator integral with the lower integral and of a rotor integral with the upper portion and coaxial with the longitudinal axis. | 06-14-2012 |
20120119960 | Waveguide radiating element of an antenna suitable to operate in the Wi-Fi band, and system for measuring the performances of an antenna operating in the C band and using such a radiating element - Structures and methods for a tunable waveguide radiating element are disclosed. The waveguide radiating element comprises a rectangular tube, which includes partially filled dielectric slabs that are disposed on parallel planes and incident on a lower edge of the element's mouth. The faces of each slab are engraved with a number of concentric SRR squares that present a gap on one of its sides. The distance between any two consecutive slabs may vary. The gaps of the outmost square may be arranged in such a way that, on the facing sides of two adjacent slabs, the gaps are rotated with respect to each other. | 05-17-2012 |
20120033278 | Optical Logic Gate - Optical logic gate having a second-harmonic generator element that receives a first and a second optical input signal respectively having a first and a second angular frequency and respectively having a first and a second polarization, and which provides a second-harmonic optical signal having a third angular frequency and a third polarization. The third angular frequency is equal to the sum of the first and the second angular frequency. The third polarization is a function of the first and the second polarization. The second-harmonic generator element includes a second-harmonic generator layer in a material having a non-null second-order optical tensor. | 02-09-2012 |
20120001765 | System for monitoring the utilization of personal protective equipment by workers in the workplace - The present invention concerns a system for monitoring the utilization of personal protective equipment by workers in the workplace. Said system comprises a set of first slave electronic modules, each of which is paired to a corresponding piece of personal protective equipment to be used in said workplace and is configured to store information that identifies said corresponding piece of personal protective equipment. In addition, said system further comprises a set of master electronic modules, each of which is paired to a corresponding worker working in said workplace and is configured to: store information that identifies said corresponding worker; form with corresponding first slave electronic modules that are paired to the personal protective equipment with which said corresponding worker is equipped a corresponding Body Area Network (BAN), through which said corresponding first slave electronic modules communicate exclusively with said master electronic module; acquire the information stored by the corresponding first slave electronic modules from said corresponding first slave electronic modules through the corresponding Body Area Network (BAN); and store the information acquired from said corresponding first slave electronic modules. In addition, said system further comprises a set of monitoring devices, each of which is arranged in a corresponding position in the workplace and is configured to acquire from the master electronic modules present in a corresponding acquisition area the information stored by said master electronic modules. Lastly, said system further comprises a central control and monitoring unit connected to the monitoring devices and configured to acquire from the monitoring devices the information that said monitoring devices acquire from the master electronic modules. | 01-05-2012 |
20120001305 | Method of Manufacturing Vertical Pin Diodes - The invention concerns a method of manufacturing a vertical PIN diode comprising: providing an epitaxial wafer comprising a vertically stacked N-type layer, intrinsic layer and P-type layer; forming an anode contact of the vertical PIN diode by forming an anode metallization on a first portion of the P-type layer defining an anode region; forming an electrically insulating layer around the anode region such that a first portion of the intrinsic layer extends vertically between the N-type layer and the anode region and second portions of the intrinsic layer extend vertically between the N-type layer and the electrically insulating layer; forming a trench in the electrically insulating layer and in the second portions of the intrinsic layer so as to expose a portion of the N-type layer defining a cathode region and to define a sacrificial side-guard ring consisting of a portion of the electrically insulating layer that extends laterally between the trench and the anode region and laterally surrounds said anode region; and forming a cathode contact of the vertical PIN diode by forming a cathode metallization on the exposed portion of the N-type layer defining the cathode region. | 01-05-2012 |
20110279343 | DEVICE FOR SUPPORTING, HOUSING AND COOLING RADIANT MODULES OF AN ANTENNA, PARTICULARLY ARRAY ANTENNA - The present invention relates to a device ( | 11-17-2011 |
20110270644 | SYSTEM AND METHOD TO ESTIMATE THE EFFECTS OF RISKS ON THE TIME PROGRESSION OF PROJECTS - An apparatus (computer coupled to risk and planning data repositories) and method are provided which, upon finding well in advance possible delays of time references of end task or key milestone of a project (or interdependent projects) in life cycle, due to potential risks, calculate and output a set of values (coefficients matrix). These coefficients represent a two-way link between each risk and each milestone and their values estimate the contribution of a specific risk to a specific task/milestone. For each risk, it is possible to highlight the contribution of such risk to possible shift of the whole set of project tasks/milestones; at the same time, for each project task/milestone, the coefficients highlight the contribution of the whole set of risks to the time shift of such milestone/task. The coefficients values address more effectively reduction actions of the possible project/tasks delays. Similar results pare achieved for multi-interdependent-projects. | 11-03-2011 |
20110241925 | SECONDARY RADAR SYSTEM WITH SIGHTING FUNCTIONALITIES TYPICAL OF PRIMARY RADAR SYSTEMS - The invention concerns a radar for the control of civil aerial traffic, comprising a secondary radar ( | 10-06-2011 |
20110221627 | SWITCHABLE DELAYS OPTICAL FIBRE TRANSPONDER WITH OPTICAL GENERATION OF DOPPLER SHIFT - The invention concerns a Optical modulator, comprising an input suitable to receive an optical carrier, a high-frequency input and an output suitable to transmit an optical signal, the optical modulator comprising two Mach-Zender ( | 09-15-2011 |
20110182543 | Electrically Driven Optical Frequency Shifter - Disclosed herein is an optical frequency shifter ( | 07-28-2011 |
20110150387 | Low Switching Voltage, Fast Time Response Digital Optical Switch - Disclosed herein is a digital electro-optical switch ( | 06-23-2011 |
20110128180 | REPLY DETECTION IN A SECONDARY SURVEILLANCE RADAR - The present invention relates to a detecting device for detecting an SSR signal having a characteristic structure. The detecting device comprises filtering means matched to the characteristic structure of the SSR signal, and means for maintaining a false-alarm rate at a substantially constant value. The characteristic structure of the SSR signal comprises either a preamble or an initial pulse and a final pulse separated by a fixed dwell time. The means for maintaining a false-alarm rate at a substantially constant value comprise computing means configured to compute a detection threshold on the basis of a signal supplied by the filtering means, and decision means configured to detect the SSR signal on the basis of the detection threshold and of the signal supplied by the filtering means. | 06-02-2011 |