Abstract: An adaptive screen including at least one liquid crystal shutter. At least one of the shutters includes at least two active zones which are addressed by a control signal which permits the switchover of the at least one corresponding shutter between a passing configuration, in which a transmittance is equal to a maximum value, and a blocking configuration, in which the transmittance is equal to a minimum value. A “principal” active zone covers a surface area of the adaptive screen which is equal to or lower than 60% of the surface area of the adaptive screen, in order to reduce the response time of the principal active zone.

Abstract: An adaptive screen including at least one liquid crystal shutter. At least one of the shutters includes at least two active zones which are addressed by a control signal which permits the switchover of the at least one corresponding shutter between a passing configuration, in which a transmittance is equal to a maximum value, and a blocking configuration, in which the transmittance is equal to a minimum value. A “principal” active zone covers a surface area of the adaptive screen which is equal to or lower than 60% of the surface area of the adaptive screen, in order to reduce the response time of the principal active zone.

Abstract: A pylon for fixing an aircraft engine having unducted pusher propellers, the pylon ensuring the fixation of a propulsive system on the boattail of the aircraft, the pylon having a trailing edge, with an upper face and a lower face, for an airflow encountered by the pylon, wherein at least one of the two faces of the upper face and the lower face of the trailing edge is inclinable, at least in part.

Abstract: A method for operating a weapon system including the steps of transporting said weapon system to a desired location, wherein said weapon system comprises an intermodal shipping container, providing power to said weapon system, activating a computer processing unit of said weapon system by a remote operator, assembling said weapon system by means of said computer processing unit, raising an unmanned weapons unit by means of a lifting system, wherein a top flap of said intermodal shipping container is opened and wherein said lifting system is capable of raising and lowering said unmanned weapons unit, and transmitting images from a camera system, wherein said camera system coordinates with said unmanned weapons unit.

Abstract: A method for operating a weapon system including the steps of transporting said weapon system to a desired location, wherein said weapon system comprises an intermodal shipping container, providing power to said weapon system, activating a computer processing unit of said weapon system by a remote operator, assembling said weapon system by means of said computer processing unit, raising an unmanned weapons unit by means of a lifting system, wherein a top flap of said intermodal shipping container is opened and wherein said lifting system is capable of raising and lowering said unmanned weapons unit, and transmitting images from a camera system, wherein said camera system coordinates with said unmanned weapons unit.

Abstract: A turbine engine pipe having a longitudinal axis, which, at an upstream end thereof, includes an outer wall and a core, only an upstream portion of which is surrounded by the outer wall. The boundary between the upstream portion and a downstream portion is defined by the intersection between the core and the surface formed by bisectors of acute angles formed by straight lines perpendicular to the outer wall and straight lines perpendicular to an outer surface of the core passing through the downstream end of the outer wall. The outer surface of the downstream portion of the core has a sharply curved convex region close to the boundary, the region having a radius of curvature in a radial plane of less than 30 times the radius of the core at the boundary, and a first slightly curved region between the boundary and the sharply curved convex region.

Abstract: A system for displaying N multimedia streams, including multiple pairs of viewing spectacles and a displaying medium. The system obtains N multimedia streams, each stream including two multimedia substreams among 2×N multimedia substreams, and has N sources generating the 2×N substreams on the displaying medium. Each source has an encoder for coding two of the 2×N multimedia substreams, each substream being coded with a set of N coding modes each using a specific set of at least two states, having at least 2N possible combinations of states, each substream being coded with one of the possible combinations of states in order to visualize a given stream from the N multimedia stream. At least one pair spectacles includes a decoder for decoding, for each eyepiece, one of the substreams of the given stream and having N decoding modes corresponding to the N coding modes used for coding the substreams.

Abstract: A weapon system which includes an intermodal shipping container, an unmanned weapons unit, configured to fit substantially within said intermodal shipping container, an energy source capable of providing power to said weapon system, a computing processing unit, wherein computing processing unit is capable of controlling said weapon system, a lifting system, wherein said lifting system is capable of raising said unmanned weapons unit, and a camera system, wherein camera system is capable of capturing images and communicating said images to said computing processing unit.

Abstract: An optical shuttering device is provided, which includes an optical cell with a liquid crystal material between first and second transparent substrates and controlled by an electronic switching circuit. The switching circuit includes a power supply module, providing a control voltage, and a switching element mounted in series between the power supply module and the cell, making it possible to switch the cell between an on state and an off state. The electronic switching circuit furthermore includes a current source mounted in series between the power supply module and the switching element. The substrates preferably have different thickness and material.

Abstract: A weapon system which includes an intermodal shipping container, an unmanned weapons unit, configured to fit substantially within said intermodal shipping container, an energy source capable of providing power to said weapon system, a computing processing unit, wherein computing processing unit is capable of controlling said weapon system, a lifting system, wherein said lifting system is capable of raising said unmanned weapons unit, and a camera system, wherein camera system is capable of capturing images and communicating said images to said computing processing unit.

Abstract: An air intake for an aeroplane engine of type with unducted propellers, which intake can be connected by a pylon to a fuselage of an aeroplane, a local length of the air intake, measured parallel to the axis of the engine between a point on a leading edge of the air intake and a transverse plane situated at an inlet impeller of the engine compressor, is longer in a region of the air intake connected to the pylon and shorter in a region of the air intake opposite the pylon.

Abstract: A turbine engine pipe having a longitudinal axis, which, at an upstream end thereof, includes an outer wall and a core, only an upstream portion of which is surrounded by the outer wall. The boundary between the upstream portion and a downstream portion is defined by the intersection between the core and the surface formed by bisectors of acute angles formed by straight lines perpendicular to the outer wall and straight lines perpendicular to an outer surface of the core passing through the downstream end of the outer wall. The outer surface of the downstream portion of the core has a sharply curved convex region close to the boundary, the region having a radius of curvature in a radial plane of less than 30 times the radius of the core at the boundary, and a first slightly curved region between the boundary and the sharply curved convex region.

Abstract: Liquid crystal spectacles are provided for three-dimensional viewing of digital video content from a projector. The viewing spectacles include a first rectilinear polariser and a second rectilinear polariser respectively having polarisation axes P1 and P2, the polarisation axes P1 and P2 being parallel or perpendicular relative to each other. Furthermore, the liquid crystal has an adapted intrinsic tilt angle and is used in a half-wave blade configuration. The liquid crystal further includes first and second separate areas, each respectively located opposite a vision axis. The first area includes a first director and the second area includes a second director. The first and second directors are oriented so as to define an adapted angle between them. This enables a “non-one-eyed” vision while waiting for the projection of the film to start, and to obtain the best possible contrast between the two eyes of the user when viewing the digital video content.

Abstract: A pylon for fixing an aircraft engine having unducted pusher propellers, the pylon ensuring the fixation of a propulsive system on the boattail of the aircraft, the pylon having a trailing edge, with an upper face and a lower face, for an airflow encountered by the pylon, wherein at least one of the two faces of the upper face and the lower face of the trailing edge is inclinable, at least in part.

Abstract: An optical shuttering device is provided, which includes an optical cell with a liquid crystal material between first and second transparent substrates and controlled by an electronic switching circuit. The switching circuit includes a power supply module, providing a control voltage, and a switching element mounted in series between the power supply module and the cell, making it possible to switch the cell between an on state and an off state. The electronic switching circuit furthermore includes a current source mounted in series between the power supply module and the switching element. The substrates preferably have different thickness and material.

Abstract: An air intake for an aeroplane engine of type with unducted propellers, which intake can be connected by a pylon to a fuselage of an aeroplane, a local length of the air intake, measured parallel to the axis of the engine between a point on a leading edge of the air intake and a transverse plane situated at an inlet impeller of the engine compressor, is longer in a region of the air intake connected to the pylon and shorter in a region of the air intake opposite the pylon.

Abstract: Liquid crystal spectacles are provided for three-dimensional viewing of digital video content from a projector. The viewing spectacles include a first rectilinear polariser and a second rectilinear polariser respectively having polarisation axes P1 and P2, the polarisation axes P1 and P2 being parallel or perpendicular relative to each other. Furthermore, the liquid crystal has an adapted intrinsic tilt angle and is used in a half-wave blade configuration. The liquid crystal further includes first and second separate areas, each respectively located opposite a vision axis. The first area includes a first director and the second area includes a second director. The first and second directors are oriented so as to define an adapted angle between them. This enables a “non-one-eyed” vision while waiting for the projection of the film to start, and to obtain the best possible contrast between the two eyes of the user when viewing the digital video content.

Abstract: This camera comprises an electron tube with a photosensitive target (6) made of single-crystalline semiconducting material, lens (10) for forming the image of a scene on the target, an electron gun (14) to supply an electron beam to read the target, and scanning and focusing portion (18) designed to force the target to be scanned by this electron beam and to focus this electron beam on the target. The target then outputs a signal representative of this image. The camera also includes an electronic processing circuit (20) for controlling the electron gun and scanning and focusing of the camera and receiving and storing circuits (22) for receiving and storing the signal. Application to the analysis of very fast movements.