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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7932868 | Reflector array antenna with reconfigurable shape coverage with or without loader A reflector network antenna (A) comprising i) a source (S) delivering wave signals; ii) at least two reflector networks (RR1-RR9) which are different and independent and which both comprise at least two phase shifter cells which selectively phase shift... | 04/26/2011 |
| 7880081 | Limited discharge current propagation solar generator A solar generator has at least two branches electrically connected in parallel at opposite first and second ends of positive and negative polarity, respectively, each branch comprising one or more photoelectric cells electrically connected in series and having a fir... | 02/01/2011 |
| 7855787 | Method of determining the pretilt angle in a liquid-crystal cell To determine the tilt angle in a twisted nematic liquid-crystal cell, the transmission of the cell is calculated as a function of the angle of incidence of a light beam of given wavelength λ using apparent values of the thickness of the cell cavity, of the extraord... | 12/21/2010 |
| 7835733 | Satellite telecommunication system A transmit-receive system on board a satellite for a telecommunication system within a region covered by the system. The region includes isolated areas. The system receives calls from any area and transmits them to the same area or another area using routing devices... | 11/16/2010 |
| 7774935 | Method of manufacturing an electrically conductive element The electrically-conductive element, in particular for a rotary collector, for transferring electrical current between two parts (2, 24) that are movable relative to each other is covered in one or more layers of electrically-insulating enamel (42), wi... | 08/17/2010 |
| 7714766 | Method of processing a radar image Embodiments of the invention process a radar image arising from a radar antenna, by reading the reflectivity information associated with each pixel forming the radar image, processing the reflectivity information, pixel by pixel, with the aid of a first procedure. T... | 05/11/2010 |
| 7701894 | Switching system, a transmission device, a transmission method, and a switching method for satellites A data switching system for a satellite in a satellite data transmission system which relays from a terrestrial sending area to a terrestrial receiving area via the satellite data including payload data and associated control data which constitutes respective switch... | 04/20/2010 |
| 7687726 | Electromagnetic containment module for electronic components The present invention relates to an electromagnetic containment module. The module includes a metal casing sealed by a metal cover. The module contains a printed circuit arranged flat in the bottom of the casing, and an input/output line leaving the printed circuit ... | 03/30/2010 |
| 7665202 | Method for making an acoustic transducer The present invention relates to a process for producing a block of low-frequency piezoelectric composite material having rows of superposed ceramic posts embedded in a dielectric. This process includes the production of the block of composite material from two supe... | 02/23/2010 |
| 7663611 | Display device with proximity detection and method of using said device The invention pertains to a display device comprising means of detection of proximity and to a method of using this device. The device comprises a liquid crystal layer, at least two electrodes making it possible to excite the liquid crystal, means for generating a c... | 02/16/2010 |
| 7652621 | Method for automatically selecting radionavigation beacons A method for selecting radionavigation beacons using an onboard navigation system aboard an aircraft from a list of eligible beacons, includes a step for formulating a criterion for selecting a pair of beacons (BX, BY) from among beacons formin... | 01/26/2010 |
| 7650054 | Very high quality channel for multipathway optical rotary joints The present invention relates to the field of rotary joints, or similar devices, more specifically to optical rotary joints. Embodiments of the invention are directed to a multipathway optical rotary joint, comprising a stationary plane, a moving plane rotatable abo... | 01/19/2010 |
| 7649809 | Method for optimizing the power supply for a towed linear transmit antenna for transmitting in omnidirectional mode A method for achieving omnidirectional transmission using of a towed linear antenna of length L greater than the wavelength λ of the signal transmitted. The antenna has a plurality of P projectors. The spacing between projectors is substantially less than λ/2. The... | 01/19/2010 |
| 7639809 | Quantum cryptography transmission method and system Encoding digital data intended for transmission by a particle flow of single particles, includes: encoding digital data on a parameter x of said particle flow, wherein the parameter x has a conjugated parameter y of said particle flow; and ensuring that said paramet... | 12/29/2009 |
| 7634335 | Distance estimating method for aircraft taking air navigation restrictions into account This method uses for the estimation of a distance, a propagation distance transform considering only the paths which are both accessible to the aircraft taking account of its vertical flight profile and complying with air regulations. The propagated distance Dp... | 12/15/2009 |
| 7624949 | Satellite provided with means for countering solar pressure A satellite intended to travel in a constellation of satellites in an area of space in which the dominant disturbing forces and torques are for the most part caused by differential solar pressure between the satellites of the constellation comprises a satellite stru... | 12/01/2009 |
| 7623579 | Method of demodulating OFDM type signals in the presence of strong co-channel interference signals A method of demodulating a signal in a transmission system where the modulation includes several substantially orthogonal subcarriers, and the vector of the propagation channel H[n,k] is known or the received signal includes at least pilot symbols emitting reference... | 11/24/2009 |
| 7623554 | Multiplexing device, a demultiplexing device, and a multiplexing/demultiplexing system The invention relates to a multiplexing device comprising a data compressor. The compressed data block leaving said compressor occupies a particular bandwidth. According to the invention, a bandwidth prediction unit calculates said bandwidth and deduces from ... | 11/24/2009 |
| 7589644 | Method and onboard device to assist running in an airport The invention relates to a method to help a person responsible for a vehicle on an airport to follow running procedures in the airport, the vehicle including a device for using the method, including: a database including: data modelling all or some of an airport env... | 09/15/2009 |
| 7587272 | Method for locating difficult access points on a map A method of locating difficult access points on a topological map includes: analyzing curvilinear distances using a chamfer mask to catalogue approximate values C(V) of the Euclidean distances separating a point C00 of the map from its nearest neighbors V... | 09/08/2009 |
| 7583856 | Method for determining optimal chamfer mask coefficients for distance transform The coefficients of a chamfer mask are, to within a multiplicative scale factor making it possible to give them an integer value, approximations of the Euclidian distances separating the pixels covered by the mask, from the pixel under analysis placed at the center ... | 09/01/2009 |
| 7570602 | Method of routing in an ad hoc network A method for the routing of information in a network comprises several communication nodes that may be mobile, the routing being done by a route between a source node and a destination node through a set of wireless communication links between the nodes of the netwo... | 08/04/2009 |
| 7545315 | Satellite with multi-zone coverage obtained by beam deviation A telecommunication satellite with multi-zone coverage, including at least one transmission and/or reception antenna with at least one transmission and/or reception source (C, R), for the provision or reception of a beam in a selected direction, defined by a selecte... | 06/09/2009 |
| 7535403 | Method of determining the velocity field of an air mass by high resolution doppler analysis A high resolution Doppler analysis of a radiofrequency signal is exemplified by the analysis of air mass movement using meteorological radar. A high resolution spectral analysis method for a remotely sampled periodic radiofrequency signal, based on the application o... | 05/19/2009 |
| 7124633 | Vibrating beam accelerometer Accelerometer micromachined in a plane plate comprising a base, and at least one measurement cell including a moveable seismic mass connected to the base and capable of moving translationally along the sensitive y axis of the accelerometer under the effect of an acc... | 10/24/2006 |
| 7120540 | Onboard terrain anticollision display device Terrain anticollision equipment generally uses a display device showing a two-dimensional synthetic map of the terrain overflown by the aircraft and in which the relief is shown by superposed slices assigned false colors representative of the magnitude of the risk o... | 10/10/2006 |
| 7075467 | Analog/digital converter for microwave frequencies The converter of the invention essentially comprises, along the path of the microwave signal to be measured, a series of superconducting loops spaced apart by x/2 and each having a critical current junction facing which an optical waveguide is placed. Each of these ... | 07/11/2006 |
| 7035378 | X-ray tube with graphite window The invention relates to X-ray vacuum tubes. To let the X-rays out of the tube, in the case of an X-ray generator tube, when the wall of the tube is made of metal, the invention provides an exit window (50) that is made of pyrolytic graphite. The window prefe... | 04/25/2006 |
