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RAFAEL ADVANCED DEFENSE SYSTEMS LTD.

RAFAEL ADVANCED DEFENSE SYSTEMS LTD. Patent applications
Patent application numberTitlePublished
20120014562EFFICIENT METHOD FOR TRACKING PEOPLE - In accordance with one embodiment, a method to track persons includes generating a first and second set of facial coefficient vectors by: (i) providing a first and second image containing a plurality of persons; (ii) locating faces of persons in each image; and (iii) generating a facial coefficient vector for each face by extracting from the images coefficients sufficient to locally identify each face, then tracking the persons within the images, the tracking including comparing the first set of facial coefficient vectors to the second set of facial coefficient vectors to determine for each person in the first image if there is a corresponding person in the second image. Optically the method includes using estimated locations in combination with the vector distance between facial coefficient vectors to track persons.01-19-2012
20110315283SIMULANT MATERIAL FOR PRIMARY EXPLOSIVES - The present invention provides a simulant material comprising a primary explosive and a carrier.12-29-2011
20110296978FIRING MECHANISM SECURITY APPARATUS FOR REMOTELY CONTROLLED AUTOMATIC MACHINE GUN - A firing mechanism security apparatus prevents runaway machine gun fire by first sensing rounds being fired and sensing that the trigger mechanism is not instructing the weapon to fire. A mechanical actuator may block a path of the ammunition between the ammunition storage box and the machine gun or blocks spent ammunition from being ejected. Without engaging the trigger mechanism directly, a stopper signaled by a controller or motor may move from a first position to a second position and thereby be interposed between rounds of ammunition adjacent the ammunition storage box or between the ammunition feeder and the machine gun. The ammunition feeder may, alternatively, include a mechanical actuator that receives a signal from a motor or controller, the actuator capable of blocking the feeder's advancement of ammunition. Additionally, the gun may be elevated as a safety precaution.12-08-2011
20110273620REMOVAL OF SHADOWS FROM IMAGES IN A VIDEO SIGNAL - Substantially removing shadows in video images obtained from a camera viewing a scene, at variable pointing angles and magnification, by digital processing of a sequence of frames in the video signal, the processing including—(a) creating and maintaining a model image of the scene, by accumulating image data from a plurality of video frames; (b) in the model image, detecting and defining model shadow zones; (c) calculating correction factors for the model shadow zones; (d) for each frame of the video signal—defining, in the image carried by the signal, shadow zones that correspond to respective model shadow zones; and (e) correcting video signal values in shadow zones accordingly.11-10-2011
20110209805Highly-Filled, High-Viscosity Paste Charge, And Method And Device For Production Thereof - A highly-filled paste, and a method and device of de-aerating and injecting the paste, the paste including: (a) a solid filler; (b) an organic binder, and (c) a residual gas, wherein the paste contains at least 80 volume-% of the solid filler and has a viscosity exceeding 100 kilopascal·seconds, wherein the filler, binder, and residual gas are intimately mixed so as to form a substantially homogeneous paste, and wherein a composition of the solid filler, binder, and residual gas is selected such that the homogeneous paste has: an average density greater than 98.5% of a Theoretical Maximum Density (TMD).09-01-2011
20110209600Highly-Filled, High-Viscosity Paste Charge, And Method And Device For Production Thereof - A highly-filled paste, and a method and device of de-aerating and injecting the paste, the paste including: (a) a solid filler; (b) an organic binder, and (c) a residual gas, wherein the paste contains at least 80 volume-% of the solid filler and has a viscosity exceeding 100 kilopascal·seconds, wherein the filler, binder, and residual gas are intimately mixed so as to form a substantially homogeneous paste, and wherein a composition of the solid filler, binder, and residual gas is selected such that the homogeneous paste has: an average density greater than 98.5% of a Theoretical Maximum Density (TMD).09-01-2011
20110199605SYSTEM AND METHOD FOR CHANGING SPECTRAL RANGE OF A CRYOGENICALLY COOLED DETECTOR - It is provided an optical system for changing a spectral range of a cryogenically cooled detector. The optical system allows selective spectral transfer of radiation, and provides a reflecting field of view at an undesired range directed towards cold surfaces. A removable spectral filter having a high transmittance at a first spectral range and a low transmittance at a second spectral range is disposed outside a cold shield. A reflective surface faces the detecting device and provides the detector a reflecting field of view at the second spectral range directed towards the cold shield, and a blackened cold skirt thereof. Alternatively, a dichroic mirror is disposed inside the cold shield and has a high reflectance at a first spectral range and a high transmittance at a second range. The detecting device includes a first arm and a second arm of the cold shield to accommodate respective optical channels. A removable selective mirror having a high reflectance at the first spectral range is disposed outside the cold shield. A reflecting field of view at the undesired spectral range directed towards a blackened surface of the cold shield or a thermo-electric cooler is provided.08-18-2011
20110175796METHOD AND SYSTEM FOR DISPLAYING A PANORAMIC VIEW TO AN OPERATOR - A method for displaying to an operator a rectangular image having a wide field of view of a scene, includes forming a virtual cylinder from the rectangular image, as if it was first printed on a transparent sheet such that it is visible from both sides of the sheet, and then rolled to form the cylinder. A perspective view of the cylinder is provided, vertically dividing the cylinder into two halves. One of the cylinder halves is vertically shifted until there is no overlap between the two halves. The ellipse which is formed between the two halves following the shifting step is defined as an orientation plane.07-21-2011
20110162518ENCLOSURE PROTECTING SYSTEM AND METHOD - Provided is an RPG disruption system (RDS) for protecting an enclosure against RPG's, the system including a casing fixed in close proximity to a wall of the enclosure facing an anticipated RPG threat. The casing includes an anvil accommodating a propelling mechanism for propelling the disrupting element, and an activating system for activating the propelling mechanism so as to propel the disrupting element towards an approaching RPG, to thereby neutralize it.07-07-2011
20110120337ARTILLERY PROJECTILE WITH SEPERATELY CONTROLLED BOOSTER ACTUATION AND FRAGMENT DISPERSION - An artillery projectile for firing from an artillery gun, mortar or artillery rocket launcher. The artillery projectile includes a body, a payload with a number of inert fragments located within the body, a booster motor associated with the body for accelerating the body with the payload to a penetration velocity, and an opening arrangement associated with the body and deployed for initiating release of the fragments. The artillery projectile further includes a control system causally associated with the booster motor and the opening arrangement. The control system is configured to generate a first command to actuate the booster motor and a second command to actuate the opening arrangement.05-26-2011
20110052009UNCONSTRAINED SPATIALLY ALIGNED HEAD-UP DISPLAY - A system for providing a spatially aligned head-up display to a user viewing a scene through a display the system includes: an image sensing system including at least one image sensor deployed to sample images of the user's face, the image sensing system generating data derived at least in part from the images; a display for displaying visible indications to the user superimposed on the scene; and a control system associated with the image sensing system and the display, the control system being configured to: process data from the image sensing system to determine a position and attitude of the user's face, determine a viewing direction from at least one eye of the user to a point of interest within the scene, and actuate the display to display a visible indication aligned with the viewing direction that provides a spatially aligned head-up display to the user.03-03-2011
20110044495METHOD AND APPARATUS FOR GAS DETECTION BASED ON SPECTRAL SPATIAL MISREGISTRATION - In accordance with one embodiment, a method for remote identification of at least one gas includes sampling a plurality of spectral images of a scene wherein each spectral image is sampled at a different wavelength, providing a reference spectral image, and generating a spatial displacement expression by detecting the spatial misregistration in at least one region of the spectral images between the reference spectral image and at least one of the plurality of spectral images. At least one reference spatial displacement expression is provided corresponding to at least one gas, and at least one identification process is implemented to identify at least one gas. The identification process employs the generated spatial displacement expression and the at least one reference spatial displacement expression. Optionally the reference image is one of the sampled spectral images, the reference spatial displacement expression is provided from a general or adapted library, and the concentration of the gas can be determined.02-24-2011
20110041720GUIDED WEAPON WITH IN-FLIGHT-SWITCHABLE MULTIPLE FUZE MODES - A method for operating a guided munition with a switchable fuse arrangement includes launching the guided munition towards a target. During flight of the guided munition, images are provided to a remote operator, who supplies a switching input. Responsive to said switching input, the fuze arrangement is switched to either of at least two of the following states: a delayed detonation state in which detonation of the explosive charge is delayed by a time delay after impact of the guided munition, an impact detonation state in which detonation of the explosive charge occurs on impact of the guided munition, a proximity detonation state in which detonation of the explosive charge is triggered by a proximity sensing arrangement, and a disabled state in which the guided munition functions as a guided kinetic shell without detonation of the explosive charge.02-24-2011
20110019032METHOD AND APPARATUS FOR MULTI-SPECTRAL IMAGING - A multi-spectral video camera and corresponding method have an optical arrangement for collecting light, a light splitting prism for splitting the light into a number of spatially separated channels of distinct spectral ranges, and a corresponding number of image sensor arrays. An electronic control and processing system receives sensed pixel data from each of image sensor arrays, analyzes the pixel data separately for each of the image sensor arrays to determine an exposure parameter for each of the sensor arrays, and actuates each of the sensor arrays to capture a subsequent image frame with an effective exposure individually set for each sensor array in accordance with the corresponding exposure parameter. The camera also preferably performs independent contrast enhancement corrections for each spectral channel of the camera.01-27-2011
20110012900METHODS FOR TRANSFERRING POINTS OF INTEREST BETWEEN IMAGES WITH NON-PARALLEL VIEWING DIRECTIONS - A method for identifying within a working image of a scene a point of interest designated within a designation image of a scene, the designation image being taken along a first viewing direction and the working image being taken along a second viewing direction, the second viewing direction being significantly non-parallel to the first viewing direction, the method comprising the steps of: obtaining a designation image of the scene; obtaining a working image of the scene; correlating said designation image and said working image with each other, directly or by correlating each of said designation image and said working image with a common reference image, so as to derive an interrelation between said designation image and said working image; and employing said interrelation between said designation image and said working image to derive a location within said working image of a point of interest designated within said designation image, characterized in that the method further comprises: obtaining a secondary designation image taken along a viewing direction displaced from, but similar to, the first viewing direction; and co-processing said designation image and said secondary designation image to derive range information relating to a plurality of pixels in said designation image, thereby defining a partial relative three-dimensional model of a portion of the scene relative to the viewing direction of said designation image, wherein said partial relative three-dimensional model is used in said step of correlating.01-20-2011
20110011973AIRBAG SYSTEM WITH IMPROVED PERFORMANCE FOR A WIDE RANGE OF LOADS - An airbag system according to any one individual feature or combination of features as described herein.01-20-2011
20110000001INTERLOCKING ELEMENT FOR PROTECTIVE DIVIDE AND METHOD - A surface-conforming protective divide is formed by mutually adjacent interlocking sculptured elements, which have a first portion different from a second portion. The first portion has a first surface bound by a polygon wherefrom a plurality of lateral surface extend from each side of the polygon. The second portion has many knuckles, each one associated with a first and then alternately with every other lateral surface. Each knuckle has a laterally protruding rotund surface extending radially outward from the first portion. The second portion has a plurality of recesses, each recess being associated with a second and then alternately with every other lateral surface. Each recess receives therein one knuckle pertaining to an immediately adjacent sculptured element in mutual interlocking coupling. Each sculptured elements has a flat base surface terminating the second portion and forming a basis.01-06-2011
20100326086METHOD AND SYSTEM FOR ENHANCING START OF A TURBINE ENGINE, AND IGNITION MODULE - A method, a system, and a product for enhancing the start of a turbine engine by providing a replaceable ignition module including a solid combustible substance, that when ignited, or a solid oxidizer substance, that when heated, releases hot gases rich in oxidizing species. The module includes a solid substance(s) appropriately selected as: a solid-propellant grain (SPG) and a solid oxidizer (SO); or an oxygen-rich burning substance (OBSS); or a solid-propellant to grain and an oxygen-rich burning substance; or an oxygen-rich burning solid substance and a solid oxidizer. The replaceable module further contains an initiator for the initiation of the solid combustible substance, or solid-propellant grain by an initiation command (IC). The hot gases released by the ignition module start and enhance the combustion process of the air-and-fuel mixture by successive fuel heating and vaporization, followed by ignition.12-30-2010
20100320312MINIATURE MISSILE - A miniature lightweight high-maneuverability missile (12-23-2010
20100307364PYROPHORIC ARROWS - An arrow-type warhead (12-09-2010
20100307363ULTRA-HIGH VELOCITY PROJECTILE IMPACT SENSOR - An apparatus for detecting the impact of an ultra-high velocity projectile includes: a projectile; at least one optical fiber attached to at least a first area of the projectile; a light source coupled to the optical fiber supplying light into the optical fiber; and a monitor coupled to optical fiber configured to monitor the light in one optical fiber and positioned in a second area of the projectile. A method for operating a circuit in response to a shockwave of ultra-high velocity, includes the steps of deploying at least one optical fiber in a first area in the path of an ultra-high velocity shockwave; coupling a light source to the optical fiber, the light source supplying a light into the optical fiber; and deploying a monitor coupled to the optical fiber to: monitor the light in the optical fiber to detect a change in the light; and positioned in a second area further along the path of the shockwave.12-09-2010
20100292868SYSTEM AND METHOD FOR NAVIGATING A REMOTE CONTROL VEHICLE PAST OBSTACLES - A method for navigating a remote control vehicle carrying a video camera which produces a sequence of images, the method comprising tracking a current position of the vehicle as the vehicle moves along a path of motion, determining a location of the current position within a prior image, the prior image having been acquired by the video camera at a previously visited point along the path of motion, and displaying to the operator a graphic display including a representation of the vehicle shown at the location within the prior image.11-18-2010
20100288404Highly-Filled, High-Viscosity Paste Charge, And Method And Device For Production Thereof - A highly-filled paste, and a method and device of de-aerating and injecting the paste, the paste including: (a) a solid filler; (b) an organic binder, and (c) a residual gas, wherein the paste contains at least 80 volume-% of the solid filler and has a viscosity exceeding 100 kilopascal·seconds, wherein the filler, binder, and residual gas are intimately mixed so as to form a substantially homogeneous paste, and wherein a composition of the solid filler, binder, and residual gas is selected such that the homogeneous paste has: an average density greater than 98.5% of a Theoretical Maximum Density (TMD).11-18-2010
20100241385METHOD AND SYSTEM FOR MEASUREMENT AND CORRECTION OF THERMALLY INDUCED CHANGES OF BORESIGHT, EFFECTIVE FOCAL LENGTH, AND FOCUS - A method and system are for measuring and correcting shifts in the boresight, effective focal length, and focus of an optical system that are caused by temperature variations. The method can be used for systems which can be expected to operate in situations where the temperature variations are large, e.g. a FLIR system of a fighter plane, and also where the temperature variations can be very small however high accuracy is needed. The invention is based on placing radiation emitting sources before and as close as possible to the first optical element of the optical system and measuring the thermally induced shifts of the locations of the images of the radiation emitting sources on the surface of the detector of the optical system.09-23-2010
20100157056TRACKING AND IMAGING DATA FUSION - A method of monitoring a target, which includes tracking the target using a tracking modality, thereby obtaining an estimated track of the target, imaging the target using an imaging modality, thereby obtaining an image of the target, associating the estimated track with the image, and displaying at least one datum related to the image along with the estimated track.06-24-2010
20100044495AIRBORNE GUIDED SHELL - A kit for upgrading a non-guidable shell to an airborne guidable shell includes a device to couple the kit to the body of the non-guidable shell. A fastener provides for fastening the resulting airborne shell to an aircraft and for detaching it there from. The kit also provides for causing the trajectory of the shell to change once detached from the aircraft according to instructions received in the kit; for determining the position of the shell; and for transferring data from the carrying platform to the guidance kit.02-25-2010
20100043444STARTING TURBINE ENGINES - A method for implementing a system and a device for enhancing the starting process of a turbine engine by use of at least one solid mass of oxidizing-species-releasing material, ORM, selected as a solid oxidizer, or SO, and/or as an oxidizing-species-releasing burning substance, or ORBS. The ORM is introduced into the combustion chamber of the turbine engine and the starting process of the turbine engine is initiated, by help of the igniter and in association with the mass of ORM, to enhance the starting process. In operation, an ORM selected as an SO releases gaseous oxygen when heated to decompose, while an ORM chosen as an ORBS discharges oxidizing species when ignited to burn. An ORM such as an SO or an ORBS may operate alone or in various combinations of both. The ORM is configured to release a predetermined mass flow rate of oxidizing species or of gaseous oxygen.02-25-2010
20090297049DETECTION OF PARTIALLY OCCLUDED TARGETS IN LADAR IMAGES - A method for detection the presence of a man-made object partially occluded in a natural environment. The method includes the steps of providing an image segment from three dimensional ladar data, grouping one or more coplanar portion of the pixels into a cluster of planar sections, each planar section including three or more pixels, classifying the cluster based on one or more criterion selected from a group of criteria.12-03-2009
20090292518REAL TIME SIMULATING METHOD AND SYSTEM - System for simulating one or more sub-systems of a tested system includes: (a) a sequence diagram storage and engine unit containing a predefined sequence diagram defining the intercommunication of messages between the various sub-systems of a real system in terms of at least time, message name, issuing sub-system, and destination sub-system. An indicator indicates to said sequence diagram storage and engine unit, those missing sub-systems, which have to be simulated. A receiver within said sequence diagram storage and engine unit receives an activation signal for the sequence diagram, and for eliminating all those messages in the sequence diagram relating to non-missing sub-systems, while maintaining those messages relating to missing sub-systems. One or more simulated sub-system units, each contain a domain of predefined output messages in appropriate format that can be issued by the simulated sub-system unit, and predefined input messages in appropriate format that can be received by the simulated sub-system unit, both domains being essentially identical to those of the corresponding real sub-systems of the system. A real time engine activates the sequence diagram, for receiving messages relating to missing sub-systems from one or more of the simulated sub-systems units, for introducing in real time the received messages on a bus leading to the real sub-systems, and for receiving messages issued by the real sub-systems and conveying them in real time to the simulated sub-system units.11-26-2009
20090289957METHODS AND SYSTEM FOR COMMUNICATION AND DISPLAYING POINTS-OF-INTEREST - A method for displaying point-of-interest coordinate locations in perspective images and for coordinate-based information transfer between perspective images on different platforms includes providing a shared reference image of a region overlapping the field of view of the perspective view. The perspective view is then correlated with the shared reference image so as to generate a mapping between the two views. This mapping is then used to derive a location of a given coordinate from the shared reference image within the perspective view and the location is indicated in the context of the perspective view on a display.11-26-2009
20090288573WARHEAD FOR INTERCEPTING SYSTEM - A warhead system for a projectile-intercepting munition, the warhead system includes a fuselage having an axis and one or more explosively-formed-projectile charge. The explosively-formed-projectile is with a length and configured to generate one or more explosively formed blade projectile propagating substantially perpendicular to the length, the explosively-formed-projectile charge assuming a deployed state wherein the length of the explosively-formed-projectile charge is non-parallel to the axis, the deployed state and the explosively-formed-projectile charge configured such that, when the explosively-formed-projectile charge is detonated in the deployed state, the explosively formed blade projectile propagates in a direction non-coplanar with the length of the explosively-formed-projectile charge and the axis of the fuselage.11-26-2009
20090199936Simulant material for primary explosives - The present invention provides a simulant material comprising a primary explosive and a carrier.08-13-2009
20090179144SYSTEM AND METHOD FOR WIDE ANGLE OPTICAL SURVEILLANCE - An imaging system (07-16-2009
20090128798COHERENT OPTICAL RANGE FINDER - A coherent range measurement system includes a detector optical arrangement defining a current optical field of view and an illumination subsystem configured for transmitting pulses of coherent illumination at different times along each of a plurality of directions within the current optical field of view without moving parts. A detection arrangement is configured to direct part of the transmitted pulses and a reflected signal from each of the directions onto a common detector. The output of the detector is processed by a processing system to derive range data associated with each of the directions by coherent detection of the reflected signals employing the part of the transmitted pulses as a local oscillator.05-21-2009
20090107326Armor module - A reactive armor module for protecting a target from an incoming projectile, and comprising at least one armor cassette formed of a front base plate and a rear base plate sandwiching between them at least one layer of energetic material, the front base plate and the rear base plate being adapted, upon impact of the projectile with the energetic material, to be propelled in opposite directions; the armor module further comprising at least one non-energetic auxiliary plate spaced from the armor cassette and positioned essentially along the expected trajectory of either the front or the rear base plate, such that when propelled, the velocity of a base plate facing the auxiliary plate is reduced upon collision with the auxiliary plate.04-30-2009
20090097710METHODS AND SYSTEM FOR COMMUNICATION AND DISPLAYING POINTS-OF-INTEREST - A method for displaying point-of-interest coordinate locations in perspective images and for coordinate-based information transfer between perspective images on different platforms includes providing a shared reference image of a region overlapping the field of view of the perspective view. The perspective view is then correlated with the shared reference image so as to generate a mapping between the two views. This mapping is then used to derive a location of a given coordinate from the shared reference image within the perspective view and the location is indicated in the context of the perspective view on a display.04-16-2009
20090080092SYSTEM FOR INCREASING HORIZONTAL FIELD OF VIEW OF A CAMERA - A terrestrial imaging device includes an objective lens which accepts light within an intrinsic angular field of view onto a focal plane and two pairs of plane mirrors. The first pair of plane mirrors reflects a first light incoming ray sequentially to produce first and second reflected light rays within a roughly horizontal plane, the second reflected ray being focused by the objective lens on the focal plane. The second pair of plane mirrors reflects a second incoming ray sequentially to produce third and fourth reflected light rays within a roughly vertical plane, the fourth reflected light ray being focused by the objective lens on the focal plane.03-26-2009

Patent applications by RAFAEL ADVANCED DEFENSE SYSTEMS LTD.