Abstract: This method, implemented in a mounted information display device, which incorporates a main sensor and an inertial sensor, and which determines the positioning by a hybrid inertial method including determining a calculated position by a main method using data acquired by the main sensor and determining a succession of estimated positions using the calculated position and data acquired by the inertial sensor, includes: obtaining at a first calculation time instant T1 a first estimated position of the device at a reference time instant, calculated by the hybrid inertia method; obtaining at a second time instant T2 a second estimated position of the device at the same reference time instant, calculated by the main method; comparing a difference between the first and second positions and a tolerance threshold; and, if the difference is less than the threshold, validating the positioning calculation by the hybrid inertial method, otherwise raising an alert.

Abstract: The present invention relates to a method for authenticating a document comprising at least one line of anti-counterfeit patterns spaced from each other, the positions of the anti-counterfeit patterns being random, and a partial anti-counterfeit pattern being provided at an edge line of said document, the method comprising the following steps of: receiving a digital image of said document, said digital image comprising said partial anti-counterfeit pattern in a first edge area corresponding to said edge line; selecting said first edge area; copy-pasting said first edge area adjacent to a second edge area of the digital image to generate a combined digital image, said second edge area being opposite to said first edge area, wherein content, which is comprised in said second edge area and located on the same line as said partial anti-counterfeit pattern, and said partial anti-counterfeit pattern jointly form a combined pattern; authenticating said document by taking into account said combined pattern.

Abstract: A data carrier having at least one optically variable element, at least one surface element, and at least one security element comprising at least part of the at least one optically variable element and at least part of the at least one surface element. The at least one surface element is configured to guide impinging electromagnetic radiation towards the at least one optically variable element. The data carrier is configured such, that electromagnetic radiation is impinging on the at least one surface element under at least a first arrival angle when the data carrier is seen under a first observation angle, and such, that electromagnetic radiation is impinging on the at least one surface element under at least a second arrival angle being different from the first arrival angle when the data carrier is seen under a second observation angle being different from the first observation angle.

Abstract: A method for determining operational constraints for a first constellation of non-geostationary satellites transmitting towards a terrestrial station with respect to a second constellation of non-geostationary satellites linked with the station, the constraints comprising a maximum transmission power of the satellites of the first constellation, the method comprising: determining triplets of limit values (?, ?, I/N) of two angles (?, ?) and of an interference-to-noise ratio (I/N), the angles (?, ?) defining a position of a satellite of the first constellation relative to the station and to a satellite of the second constellation and the interference-to-noise ratio being the ratio between interferences transmitted by the first constellation on a link between the station and the satellite of the second constellation and the noise (N) of the link, the determination of the triplets being performed so that a distribution of signal-to-noise and interference ratios (R) aggregated over a time interval is greater than

Abstract: A multibeam analogue former of several two-dimensional radiofrequency beams of continuously variable sizes and/or aiming directions for a reconfigurable two-dimensional active array antenna, includes a first set of analogue multibeam formers of fixed one-dimensional beams, of identical structure, superposed and connected at the output to rows of elementary radiating feeds of a planar antenna array in a first axial direction X. The analogue multibeam former comprises a second set of second one-dimensional analogue formers of radiofrequency beams that are continuously variable in size and/or in aiming direction in second angular aiming directions By along a second axial direction Y. Each second analogue former is formed by a divider with a single input and R output branches in transmission mode, each output branch of the divider including an amplitude and phase control point.

Abstract: A method for determining wave height by means of a radar carried by an aircraft, the method implementing the following steps: a first step of pointing the antenna of the radar; a second step of determining the clutter acquisition plan according to the altitude of the aircraft; a third step of determining, for each clutter zone defined by the acquisition plan, two Doppler parameters PARA1 and PARA2 characterising the zone as a whole; a fourth step of calculating the average values of the parameters PARA1 and PARA2 over all of the zones in question; and a fifth step of estimating the wave height from the averages of the parameters PARA1 and PARA2. The wave height estimated in this way is transmitted to the aircraft and used to determine the conditions for the water landing of the aircraft.

Abstract: Provided is a method for facilitating the renewing of a digital identity document. It includes receiving a request for renewing a digital identity document; checking whether said digital identity document can be renewed, if the check result is positive, creating an up-to-date validity-related data item to be associated with said digital identity document and to be inspected by a verifier when the validity of said digital identity document must be assessed; and sending said up-to-date validity-related data item to a device of a user of said digital identity document so that a validity-related data item previously associated with said digital identity document can be replaced by said up-to-date validity-related data item at the user's side.

Abstract: Provided is a data carrier comprising a card body, wherein the card body is configured to interact with impinging electromagnetic radiation (R) such, that a laser marking (M1) having a first appearance (A1) is generated in the card body in the region of impingement. The data carrier further comprises at least one protection element that is configured to interact with impinging electromagnetic radiation (R) such, that a laser marking (M2) having a second appearance (A2) is generated in the card body, wherein said second appearance (A2) differs from the first appearance (A1).

Abstract: Provided is a method for a component of a cellular network for paging a plurality of user equipments being assigned to one of at least two paging groups, wherein each paging group is paged at a paging occasion defined for said paging group. The method comprises the steps of ascertaining at least one physical characteristics of said user equipment, assigning the user equipment to a paging group considering said at least one physical characteristic, and sending an information message related to paging at a defined paging occasion depending on the assigned paging group.

Abstract: A fabricating process may include: producing a trench, in an encapsulated-silicon layer, in the location where a silicon-nitride core of the waveguide must be produced; then depositing a silicon-nitride layer on the encapsulated-silicon layer, the thickness of the deposited silicon-nitride layer being sufficient to completely fill the trench; then removing the silicon nitride situated outside of the trench to uncover an upper face with which the trench filled with silicon nitride is flush; then depositing a dielectric layer that covers the uncovered upper face in order to finalize the encapsulation of the silicon-nitride core and thus to obtain a mixed layer containing both the silicon and silicon-nitride cores encapsulated in dielectric.

Abstract: Provided is a method and device for securing a software code. The steps include determining a salt value, generating an encrypted sensitive string by applying to said sensitive string an encryption process depending on the salt value and on an encryption key, concatenating the salt value and the encrypted sensitive string to obtain a concatenated result, and replacing in said software code said sensitive string by a protected value depending on said concatenated result. Other embodiments disclosed.

Abstract: The invention relates to an electronic device for the centralized computation and diffusion of the state(s) of an aircraft, configured for at least calculate the value of one or more aircraft state(s), generate a list of aircraft state(s) the value of which is accessible via the electronic device, the list comprising, for each state, information representative of the said state, diffuse the list to each consumer avionics device, of at least one value of at least one state, receive, from at least one consumer avionics device, at least one request for transmission of one or more values of at least one first state selected from the list, the request comprising the said representative information related to the said at least one first selected state, and transmit, to at least one consumer avionics device, only the value or values of the at least one selected state.

Abstract: A portable radio device incorporating active thermal mitigation systems, and methods of use thereof. An example radio device incorporating an active thermal mitigation system may comprise a portable radio device selectively connectable or otherwise interoperable with a power adapter or battery device, wherein the power adapter or battery device includes an active thermal mitigation system. The system may include a micro-fan, blower, or other similar device configured to generate airflow, and may be configured to direct a flow of air or other fluid towards the radio device. The system may further include one or more fins or other features for directing and/or enhancing fluid flow, as well as sensors and control features to vary flow depending on temperature of the radio device or other variables. Thus, the system allows for the continuous cooling the radio device via convection without requiring the incorporation of the active thermal mitigation system within the radio device.

Abstract: The invention more particularly relates to a method and device for controlling a segmented electrophoretic display. Such displays, preferably covered by the invention, comprise a layer (or a film) of microcapsules containing colored particles suspended in a fluid or a gas, the same layer being sandwiched between two electrodes: at least one first electrode having the shape of the segment to be displayed a second transparent electrode made by a conductive layer of indium tin oxide (ITO) for example. Alternative electrodes based on a thin film of carbon nanostructures, silver or copper wires can also be used.

Abstract: The invention is a method for securing a system including a plurality of entities and a repository storing usage patterns. The method comprises the following steps: for each of the entities involved in a transaction requested by a user, capturing a behavior data reflecting the dynamic behavior of said entity, generating a set of locality-sensitive-hashing hashes from each of said behavior data, computing a similarity score for each of the entities involved in the transaction, based on both said usage patterns and the set of generated locality-sensitive-hashing hashes, and based on a subset of the computed similarity scores, applying a preset security action to the transaction.

Abstract: A control node for an array antenna configured so as to apply an attenuation and a phase shift to a radiofrequency signal on the basis of a control signal, to a beamforming network, to an array antenna and to a satellite includes the control node. It comprises a quadratic divider that delivers an in-phase signal and a quadrature signal on separate transmission channels, a combiner configured so as to sum the signals transmitted on two of the transmission channels, each transmission channel comprising at least: one attenuation cell activated on the basis of the value of a dedicated bit of the control signal, and one phase shift cell configured so as to apply a fixed phase shift, activated on the basis of the result of combinational logic implemented on bits of the control signal.

Abstract: A computer-implemented method for training a machine learning model, the method comprising: obtaining a machine learning model comprising a plurality of computational layers, the layers being arranged such that outputs from one or more of the layers serve as inputs to other ones of the layers; identifying one or more of the layers as comprising one or more functions that are not compatible with a homomorphic encryption scheme; replacing the one or more functions with alternative functions, wherein the alternative functions are functions that are compatible with the homomorphic encryption scheme and which provide an approximation of the respective functions that they replace; and sending the model to a third party to train the model using a set of training data.

Abstract: The invention relates to an electronic system comprising an electronic computer, in the presence of an external request to execute a source application whose executable has been previously loaded within a first dedicated area of the memory, being at least configured to: instantiate a clone application of the source application by: duplicating the executable of the source application to create the executable of the clone application, and by storing it in a second area of the memory distinct from the one dedicated to the source application, and by generating a request, internal to the computer, to execute said at least one clone application, execute the source and clone(s) applications independently, generate a single output based on comparing the result of the execution of the source and clone(s) applications.

Abstract: Provided is a an electronic system (1) comprising a plurality of sub blocks (21, 22, . . . ), a differential amplifier (3), a voltage regulation loop comprising a first transistor (40) and a variable resistor (5), and a plurality of additional transistors (41, 42, . . . ). The input reference voltage (VRF) and the variable resistor are configured such that a first sub block (21) is supplied with its required power supply output voltage (VDD1) by the transistor to which it is connected. The amplifier is configured to output on each of its outputs a power supply reference voltage (VG1, VG2 . . . ) such that each sub block (22, . . . ) other than the first sub block is supplied with its required power supply output voltage (VDD2 . . . ) by the transistor to which it is connected.

Abstract: This method for generating graphic surfaces to be displayed on a screen is implemented by a graphics processor and comprises: generating a first graphic surface to be displayed on the screen; switching between generating the first graphic surface and generating a second graphic surface; generating the second graphic surface to be displayed on the screen; the switching including saving a graphic execution context of the first graphic surface; and if the generation of the second graphic surface had been interrupted during a preceding switch with the generation of another graphic surface, restoring a graphic execution context of the second graphic surface, the restored context having been saved during said preceding switch.