Abstract: The invention relates to a message exchange controller structure (1) comprising means (3) forming a message exchange controller, associated with a member (4) forming a storage/exchange buffer, a member (5) forming interfaces for multiple connections to several message production/consumption units, and a member (6) forming interfaces for connecting to several external buses; which is characterized in that the means exchange controller-forming means (3) are able to recover redundant messages from external buses, store those messages in the storage/exchange buffer-forming member (4), recover those messages from the storage/exchange buffer-forming member (4), and process those messages so as to generate a resultant message (MF), to send it to at least one consumption unit.

Abstract: A method for managing avionic data between a flight management system FMS and one or more clients, the FMS comprising resources accessible through avionic services Ci (1,n); the execution of the Ci (1,n) determining an avionic functionality Fj (1,m); each of the Fj (1,m) associated with an intrusiveness parameter Ik and a criticality parameter Ck; the method comprises the steps of receiving a request specifying the call to an Fj (1,m); and determining a predefined execution right for a Ci (1,n), dependent on the predefined intrusiveness and/or criticality parameters associated with the Fj (1,m). Developments describe particularly the comparison of the execution rights, notice of a rejection, various avionic services and functionalities, the management of criticality ranges, consideration of the flight context, etc. Software and system aspects are described (e.g. equipment of EFB type).

Abstract: The present invention relates to a system for acquisition of at least one physical variable, in particular for a critical on-board avionics system, comprising a sensor for measuring the physical variable; an acquisition channel receiving an analog signal corresponding to the physical variable measured by the sensor and transforming this analog signal into a corresponding digital signal, at least some of these transformations being able to be carried out with loss of accuracy; self-test unit for checking the integrity of the acquisition channel and generating a self-test result. The system further comprises an analyzer analyzing the self-test result in order to determine an operating mode of the acquisition channel, and for activating the operation of means for correcting the signal delivered by the channel.

Abstract: Disclosed is a device for generating a laser radiation including a box and an electrode, the electrode including a column extending along an axial direction and a collar surrounding the column and having a first face perpendicular to the axial direction and a second face parallel to the first face, the second face facing the box. The generating device includes a ring having a third face bearing against the box, the ring defining a hole emerging on the third face and accommodating the collar, the hole being defined along the axial direction by a bearing face arranged in the ring, perpendicular to the axial direction and facing the box, the first face bearing against the bearing face.

Abstract: A method for reducing the peak factor of a signal transmitted in a frequency band comprising several channels, the signal using a plurality of channels in the band comprises: a step of clipping the signal, a step of subtracting the clipped signal from the signal, so as to obtain a peak signal, a step of filtering the peak signal with the aid of a multichannel filter configured to comply with a predetermined spectral mask for each of the channels used by the signal, and a step of subtracting the filtered peak signal from the signal. A device for emitting a multichannel signal implementing the method for reducing the peak factor is also provided.

Abstract: A method of characterizing the performance of the payload of a satellite in orbit is executed with the aid of a test ground station including first radio-frequency amplification means and a radio-frequency transmit ground antenna. The method includes a step of providing first amplification means that can be configured to generate at the input of the transmit ground antenna a wide-band test thermal noise the power spectral density of which can be adjusted to a test thermal noise reference power spectral density Dref so that the ratio of the test thermal noise spectral density received at the input of the transponder and that corresponds to it to the thermal noise floor spectral density generated by the satellite alone internally and the natural thermal noise of the Earth is greater than or equal to a first threshold Ds1 equal to 10 dB. An IOT system is configured to execute the method.

Abstract: A linear actuator comprises a roller screw mechanism guided in rotation with respect to a structure by two angular-contact ball bearings, the roller screw mechanism comprising rollers interposed between an endless screw and two tapped rings which are joined together in rotation and free in translation. Each tapped ring is secured to an inner ring of a ball bearing. The linear actuator further comprises a single preloading device capable of applying load between two outer rings of the angular-contact ball bearings respectively, thereby simultaneously allowing the loading of the roller screw mechanism and the rotational guidance of the roller screw mechanism with respect to the structure.

Abstract: The invention relates to a display method for displaying an image on a screen (24) of a headset (16) of a system (12) for aiding navigation, the system (12) for aiding navigation comprising the headset (16), and a calculator (18). The method comprises the successive steps: of measuring the orientation of the headset (16) of the operator furnished with the headset (16); of processing a first image having a first number of pixels so as to obtain a first processed image; of extracting a part of the first processed image as a function of the measured orientation of the headset (16) so as to obtain a second image, the second image having a second number of pixels strictly lower than the first number of pixels; and of dispatching by the calculator (18) to the headset (16) of the second image for display on the screen (24).

Abstract: A hybrid processor system for use on board a telecommunications multi-beam satellite is provided that is controllable by a network control center via one or more control channels. The system links to ground terminals by: providing uplink and downlink traffic channels on several satellite beams; routing atomic switched information blocks from the uplink traffic channels to the downlink traffic channels; and exchanging signaling data with the ground terminals on one or more uplink signaling channels and one or more downlink signaling channels. The atomic switched information blocks have the same given time duration and the same given baseband bandwidth.

Abstract: An in-flight entertainment system includes a plurality of static transceivers and an ISM band communication interference manager. The static transceivers are configured to transmit and receive radio frequency signals in the ISM band. The static transceivers are further configured to measure signals received within the ISM band from mobile transceivers within the aircraft and to measure signals received from proximately located ones of the static transceivers, and to generate measurement reports containing the measurements and containing identifiers of the proximately located ones of the static transceivers and the mobile transceivers. The ISM band communication interference manager is communicatively connected to the static transceivers, and performs operations that include receiving the measurement reports from the static transceivers, and controlling transmission power levels used by the static transceivers and the mobile transceivers responsive to the content of the measurement reports.

Abstract: A method is provided for piloting a set of robots comprising, for each robot, a step of generation of a guidance instruction for the robot at a given instant, the guidance instructions for the set of robots being determined from a single set of constraints comprising a pack constraint comprising at least one set of at least one first relative positioning constraint between a robot and its neighbors of the first order in the pack for the set of robots to form a pack exhibiting a predetermined shape, the method further comprising a step of piloting of the robots so as to observe the guidance instruction.

Abstract: A vehicle entertainment system includes a video display unit and a user interface (UI) control processor. The UI control processor is configured to receive passenger attributes sensed from the passenger operating the video display unit, generate a passenger metric that characterizes the passenger based on the attribute, and control a UI of the video display unit based on the passenger metric. The passenger metric may be a passenger demographic metric determined based on facial features of the passenger. The passenger demographic metric may be a passenger emotion metric, a passenger attentiveness metric, a passenger UI operational effectiveness metric, a passenger biometric feature metric, etc.

Abstract: This message transmission method for transmitting a data message to at least one electronic receiving device, is implemented by a transmitting device. The transmitting device and the one or more receiving device(s) are connected via an avionics network, with the transmitting device and/or the receiving device being an avionics device. The transmission method includes the generation of a message, the message comprising a message header and one or more data packet(s); and the transmission of the message to the one or more receiving device(s). Each packet comprises one or more data cluster(s), each cluster containing an identifier field, a size field and a payload data field, and each cluster is adapted to include one or more other data cluster(s), the one or more other data cluster(s) thus then forming the payload data field of said cluster.

Abstract: A radar is provided which is mechanically and functionally independent of the primary radar; applies the principles of separation of emission pattern for each interrogation of any mode; of reception pattern for each reply of any mode; of assignment of the tasks which are specific thereto to distinct units. The radar includes one or more SSR/IFF interrogators dedicated at one and the same time to SSR surveillance and to gathering new mode S targets; and includes one or more other SSR/IFF interrogators for selective surveillance dedicated to mode S surveillance and to directed interrogations of IFF identification. The radar ensures simultaneous emission of the interrogations of the SSR/IFF interrogators in different azimuths, this simultaneous emission being enabled when the azimuthal spacing of the beams formed in emission ensures a decoupled level of jamming at the level of the transponders of the aircraft between the interrogations emitted by the respective sidelobes of the beams formed in emission.

Abstract: This system determines the operation of data transfer means by direct memory access by a task scheduler in charge of process context changes, the system including deterministic means for establishing and suspending the data transfers of memory data initiated before, but not terminated during, the contextual changes, and for resuming the data transfers during the return to the corresponding initial context, in order to give each process full and exclusive access to the means of transfer.

Abstract: A device for adjusting the braking force of a rolling ball or “trackball” comprises: a rotating ring in the form of a straight circular hollow cylinder, the ring comprising a flexible annular seal, the outer periphery of the cylinder comprising: an inclined oblong; a plurality of identical notches; a fixed support comprising: a circular void; a fixed pin and an indexing finger arranged so that, the ring being mounted in the void of the support, the fixed pin is housed in the oblong of the ring and the indexing finger in one of the notches of the ring, the rotation of the ring causing the displacement of the pin in the oblong, the indexed notch to change and a translational motion of the ring parallel to the axis of revolution of the cylinder.

Abstract: A method for managing a multi-destination flight of an aircraft comprises a first step of constructing an initial flight plan of a mission between an endmost departure point and an endmost arrival point, having a series of temporally ordered waypoints. A second step comprises selecting one or more waypoints from among the waypoints, and transforming the selected waypoint or waypoints into one or more corresponding intermediate touchdown points, each intermediate touchdown point having the same initial coordinates as the corresponding waypoint of which it is the transform, and each intermediate touchdown point comprising a computerized relationship of association with a dedicated intermediate arrival procedure, ready to be activated.

Abstract: A network analysis terminal is described that operates within a vehicle cabin to generate passenger connectivity experience metrics. The terminal monitors packets communicated through at least one cabin network between a content server and passenger terminals. The terminal receives packets monitored by the network interface and identifies passenger terminal identifiers that are addressed by content of the packets. Names of vehicle passengers associated with the packets are identified using the passenger terminal identifiers as indexes to retrieve the names of vehicle passengers from an information repository that maps names of vehicle passengers to passenger terminal identifiers. Passenger connectivity experience metrics are generated based on measurements performed on the packets over time.

Abstract: A method for locating a target comprises: a) receiving, by means of N?1 receivers, opportunity radioelectric signals transmitted by M?1 transmitters and reflected by the target, with N·M?3, or at least one transmitter being situated out of sight of at least one receiver; b) receiving, by means of a data transmission link, one or more reference signals, representative of the radioelectric signals transmitted by each transmitter situated out of sight of at least one receiver; and c) determining the position of the target on the basis of the radioelectric signals and of the reference signal or of the reference signals. An application of the method to the primary monitoring of air traffic, a multistatic radar system for the implementation of the method, and a system for monitoring air traffic comprising a multistatic radar system are provided.

Abstract: A method, system, and computer-readable medium for performing a flight check of one or more navigational aid systems. Aspects include obtaining, using an aircraft, first information associated with an accuracy of signals transmitted by a localizer. Aspects also include obtaining, using the aircraft, second information associated with an accuracy of signals transmitted by a glide slope station. Aspects also include transmitting the first information and the second information to a ground receiver for processing.