Abstract: Apparatus for concentrating light rays arriving from at least one external source onto a receiver, individual beams of the light rays each arriving at the apparatus substantially collimated, the apparatus including a respective Fresnel lens assembly for each of a plurality of openings, the Fresnel lens assembly including a first Fresnel lens, and a second Fresnel lens, the first Fresnel lens being located between a respective one of the openings and the receiver, the second Fresnel lens being located between the first Fresnel lens and the receiver, the first Fresnel lens for making the light rays arriving from the respective one of the openings parallel with an optical axis of the first Fresnel lens, the second Fresnel lens converging the collimated light rays onto the receiver, each opening being located in front of the Fresnel lens assembly, on the focal plane of the first Fresnel lens, centered on the focal point of the first Fresnel lens, and the receiver being located behind the Fresnel lens assembly, on

Abstract: There is provided a method for identifying, at the moment of verification, the situation of a threat to a protected ground, airspace and/or sea limits by an approaching ground vehicle, aircraft or sea-going vessel. The method includes an authorized driver/pilot/captain to select first state in which the vehicle, aircraft or sea-going vessel is not considered to present a threat and a second state in which the vehicle, aircraft or sea-going vessel is considered to present a threat. The method further provides entering the first and second PIN codes into a smart card for generating a One Time Indicia (OTI) for each of the PIN codes and disclosing the state associated with each of the first and second OTI codes to at least one control center. Upon the control center receiving an OTI code, the control center obtains positive identification of the driver/pilot/captain and the degree of the threat that the vehicle, aircraft or sea-going vessel presents.

Abstract: Method that includes: enabling the user to track a user-identified target on a currently presented image of periodically transmitted images from an imaging apparatus; calculating a distance between the estimated location of the user-identified target in view of the user's tracking and the estimated location of the pointing point of the imaging apparatus at said future time, wherein the estimation relate to a future time by which a command control currently transmitted by the user reaches the imaging apparatus; and calculating a command control required for s directing the pointing point of the imaging apparatus onto the user-identified target, based on said calculated distance, the estimated average velocity of the user-identified target and further based on all previous control commands that had been already transmitted by the user but have not yet affected the currently presented image due to the delay in the communication link.

Abstract: An apparatus for displaying at least one image with respect to a line-of-sight (LOS), with an image source, a display processor and a displaying unit. The display processor is coupled with the image source and the displaying unit. The image source provides at least one spatially unregistered image, and the display processor spatially registers the spatially unregistered image with the LOS, thereby generating a respective at least one spatially registered image. The displaying unit displays at least one spatially registered pixel on a displaying surface. The display processor includes a storage unit, an image processor and a pixel locator, the pixel locator being coupled with the image processor, wherein the storage unit stores the spatially unregistered image. The image processor selects at least one projection pixel to be displayed and the pixel locator determines, in each spatially unregistered image, the location of the spatially registered pixel corresponding to the selected projection pixel.

Abstract: There is provided an Unmanned Air Vehicle (UAV) including an engine and an airframe, including means for performing a deep stall maneuver at least one inflatable sleeve connected or connectable to the airframe, and means for inflating the sleeve during flight, wherein the inflated sleeve extends along the lower side of the airframe so as to protect same during deep stall landing. A method for operating an Unmanned Air Vehicle (UAV), including an engine and an airframe is also provided.

Abstract: A foldable deployable panel device attached to a body of an object is disclosed. The device includes a panel pivotally attached to the body by a first pivot element at first pivot position and a second pivot element at a second pivot position. The first pivot element is disengageable from the first pivot position, when the panel is aligned in a predetermined orientation. The second pivot element is fixed at the second pivot position, when the first pivot element is engaged at the first pivot position. The panel is urged by an energy storing element, when the first pivot element is disengaged from the first pivot position, to move into the deployed position.

Abstract: A method and system for extending the electronic operational range of a slow vehicle, such as a ship, by using a remotely controlled unmanned faster vehicle, such as an Unmanned Aerial Vehicle (UAV), and by way of example a remotely controlled drone. More particularly, the present invention relates to a method and system for extending the Electronic Warfare (EW) support for a ship.

Abstract: Apparatus for detecting airfield light emitters, the apparatus including a plurality of light detection cameras, each detecting at least one respective waveband of electromagnetic radiation within the electromagnetic spectrum, each of the light detection cameras producing a plurality of respective spectral images, and a processor coupled with the light detection cameras, thereby generating a multispectral image of the airfield light emitters from the spectral images, the multispectral image including a multi-dimensional set of spectral values, wherein the processor further determines which combination the multi-dimensional set of spectral values corresponds with a plurality of distinct light emission characteristics of the airfield light emitters by identifying a particular spectral signature corresponding to the multi-dimensional set of spectral values, wherein the processor produces an enhanced image from those spectral values of the multi-dimensional set of spectral values which correspond to the determine

Abstract: A device, system, and method for solving a plurality of sub-problems representing a main problem pertaining to an environment. An abstract graph corresponding to each of the sub-problems may be constructed in a computing system for each of the sub-problems. At least a first abstract graph of the abstract graphs may be resolved, for example, by decomposing one or more nodes of the first abstract graph. At least one of the one or more nodes of the first abstract graph may be associated with one or more nodes of others of the abstract graphs. At least one of the abstract graphs may be resolved using information obtained by the association. Other embodiments are described and claimed.

Abstract: A near eye image display system includes an image projector, a beam combiner assembly, and an optical assembly, optically coupled between the image projector and the beam combiner assembly. The image projector projects a display image toward an optical pathway, the optical pathway intersecting a viewing axis, the viewing axis extending from the eye of a user to an ambient scene. The beam combiner assembly includes a plurality of beam combiners optically cascaded along the optical pathway, each of the beam combiners being disposed diagonally to the optical pathway and diagonally to the viewing axis. Each of the beam combiners is arranged such that for each two adjacent beam combiners, the first of the adjacent beam combiners is optically located between the second of the adjacent beam combiners and the image projector.

Abstract: An automated method for autonomous navigation of a maneuverable platform is disclosed. The method includes providing an autonomous navigation system that includes a situation awareness module to receive data from one or more sensors on one or more identifying parameters selected from the group of identifying parameters that includes position, course and speed, relating to the platform and obstacles in the vicinity of the platform. The platform also includes a decision module to choose course and speed for the platform based on the identifying parameters of the obstacles in the vicinity of the platform and the data on the position of the platform.

Abstract: In an optical tracking system for determining the pose of a moving object in a reference coordinate system, the system including at least one light emitter, at least one optical detector for detecting the light emitted by the at least one light emitter and a pose processor, coupled with the at least one optical detector, and with the at least one light emitter, for determining the pose of the moving object according to the light detected by the at least one optical detector, one of the at least one optical detector and at least one light emitter being situated at a fixed position in the reference coordinate system, and the other of the at least one optical detector and at least one light emitter being attached to the moving object, the at least one optical detector being a Wide Field Of View (WFOV) optical detector, the WFOV optical detector comprising an optical sensor, for sensing light received from at least one of the at least one light emitter and at least two optical receptors, optically coupled with th

Abstract: A method for estimating engine thrust values of an aircraft is disclosed, the method comprising calculating estimated thrust value of an engine based on an equation of longitudinal motion, aircraft data measured during flight and calibrated drag/lift models, and a method for determining the thrust of an aircraft engine, based on information available from tracking the aircraft air-speed, acceleration, and position, the method comprising calculating the thrust, using the following equation: Thrust=mg{dot over (H)}/V+m{dot over (V)}+Drag.

Abstract: A system for mapping a magnetic field in a volume of interest, the system includes a magnetic field transmitter, generating a magnetic field in the volume of interest, at least one freestanding magnetic field detector, operative to freely move within the volume of interest, the at least one freestanding magnetic field detector acquiring measurements of the flux of the magnetic field at a plurality of poses, and a processor, coupled with the magnetic field detector, the processor re estimating parameters characterizing the magnetic field model according to deviations between the measurements of the flux of the magnetic field and according to predictions of the flux, the predictions being determined according to a stored magnetic field model, thereby, the processor estimating a new magnetic field model.

Abstract: Device and method for providing inertial indications with high accuracy using micro inertial sensors with inherent very small size and low accuracy. The device and method of the invention disclose use of the cluster of multiple micro inertial sensors to receive from the multiple sensors an equivalent single inertial indication with high accuracy based on the multiple independent indications and mathematical manipulations for averaging the plurality of single readings and for eliminating common deviations based, for example, on measurements of the deviation of the single readings.

Abstract: Aircraft decoy arrangement and method for generating a decoy signal from an aircraft having an isolated decoy. An aircraft receiver detects a threat signal from a threat source targeting the aircraft. An aircraft signal processor produces a decoy relay signal based on the threat signal, where the decoy relay signal frequency is significantly lower than the threat signal frequency and is slowly attenuated through air, the signal processor calibrating the decoy relay signal in accordance with a received test signal to compensate for inaccuracies. An aircraft transmitter transmits the decoy relay signal and an optional reference signal to the decoy, where it is received by a decoy receiver, converted back to a decoy signal by a decoy frequency converter, and transmitted by a decoy transmitter, causing the threat source to detect the decoy signal and lock onto the decoy rather than the aircraft.

Abstract: An apparatus defines a protection envelope in an aircraft, including a processor and at least one sensor, each sensor being coupled with the processor, the processor executing at least one neural network based algorithm. The at least one sensor monitors flight parameters of the aircraft thereby generating monitored flight parameters. The processor divides the performance envelope of the aircraft into predefined flight regimes, wherein for each predefined flight regime, the processor defines and stores a suitable protection envelope. The processor determines an estimated flight regime of the aircraft using the neural network based algorithm based on the monitored flight parameters. The processor selects a respective suitable protection envelope for the aircraft based on the estimated flight regime.

Abstract: Apparatus for concentrating light rays arriving from at least one opening onto a receiver, individual beams of the light rays each arriving at the apparatus substantially collimated, the apparatus including a respective Fresnel lens assembly for each opening, the Fresnel lens assembly including a first Fresnel lens, and a second Fresnel lens, the first Fresnel lens being located between the opening and the receiver, the second Fresnel lens being located between the first Fresnel lens and the receiver, the first Fresnel lens collimating the light rays arriving from the opening, the second Fresnel lens converging the collimated light rays onto the receiver, the opening being located in front of the Fresnel lens assembly, on the focal plane of the first Fresnel lens, centered on the focal point of the first Fresnel lens, and the receiver being located behind the Fresnel lens assembly, on the focal point of the second Fresnel lens.

Abstract: System for producing a stabilized image of a scene viewed by an image detector, the image detector detecting a plurality of images of the scene, the image detector being supported by gimbals, the gimbals including a servo system for moving the gimbals at least one degree of freedom, the system including an angular movement detection device firmly coupled with the image detector, and a processor coupled with the angular movement detection device and with the image detector, the angular movement detection device detecting at least a portion of angular movements of the image detector about at least one axis of rotation, the angular movement detection device producing an angular output respective of the portion, the processor receiving the images from the image detector, and the angular output from the angular movement detection device, the processor determining at least one shifting displacement and at least one shifting direction for shifting a current image detected by the image detector, relative to a referen

Abstract: Method that includes: enabling the user to track a user-identified target on a currently presented image of periodically transmitted images from an imaging apparatus; calculating a distance between the estimated location of the user-identified target in view of the user's tracking and the estimated location of the pointing point of the imaging apparatus at said future time, wherein the estimation relate to a future time future time by which a command control currently transmitted by the user reaches the imaging apparatus; and calculating a command control required for s directing the pointing point of the imaging apparatus onto the user-identified target, based on said calculated distance, the estimated average velocity of the user-identified target and further based on all previous control commands that had been already transmitted by the user but have not yet affected the currently presented image due to the delay in the communication link.