EP1083400B1 - Adaptive camouflage for targets - Google Patents
Adaptive camouflage for targets Download PDFInfo
- Publication number
- EP1083400B1 EP1083400B1 EP20000118247 EP00118247A EP1083400B1 EP 1083400 B1 EP1083400 B1 EP 1083400B1 EP 20000118247 EP20000118247 EP 20000118247 EP 00118247 A EP00118247 A EP 00118247A EP 1083400 B1 EP1083400 B1 EP 1083400B1
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- EP
- European Patent Office
- Prior art keywords
- target
- target surface
- external
- camouflaging
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H3/00—Camouflage, i.e. means or methods for concealment or disguise
Definitions
- the invention relates to a method and a device for Tamung a military target, the For example, a vehicle, a ship or an aircraft may be.
- Tampering devices are known in the art, e.g. from the US 5078462, the US 5158351 and EP 0604268.
- a camouflage device in which a camera behind the environment to be camouflaged filming.
- a control transmitted corresponding image sections of the to be camouflaged Fahrzueugs to projectors, this again project onto a semi-transparent plate to achieve a camouflage effect.
- the background information by means of internal projectors on projected the semi-transparent target surface.
- suitable Projectors can thus be a fast, also spatially and temporally varying Adjustment of emanating from the target radiance can be achieved. Inside Projectors, the target surface must remain semi-transparent.
- the Emission of light from external light sources exploited on the visible surface of the target.
- This camouflage against electro-optical sensors a suitable illumination of the Positioning target applied in the surface areas accessible by external sensors.
- the lighting is usually adjusted so that the radiance of the observed target outgoing optical radiation as well as possible from the target background outgoing radiation corresponds.
- a part of the target surface 1 of an unspecified target is shown.
- At Target-dependent suitable locations are outside the target surface 1 one or more Light sources 2 arranged.
- the arrangement is preferably carried out so that the light source 2 from the Area in which an observation with external sensors 3 is expected, not directly is visible.
- These light sources emit light in a shorter wavelength spectral range than the sensor 3 can register.
- the light of the light sources 2 impinges on that of the sensor 3 observed target surface 1.
- This target surface is with a fluorescent coating 4, the incident light in a long-wave, detectable by the sensor 3 light transforms. Fluorescent coatings usually interfere with the likewise necessary Targets against radar radiation not, since they are usually neither electrically conductive are still running microwave-absorbing.
- the on are arranged opposite the target surface 1 shown in Fig. 1, are measured the radiance of the background. Furthermore, the outgoing from the target itself Radiance determined. The comparison of both values leads to a control value for the brightness of the the target illuminating light sources 2.
- the primarily expected Observation direction of the sensors are taken into account on the target. So is For example, an illumination of the top of an aircraft in an outfitder Observation by ground sensors not necessary. If parts of the expected sensor 3 Visible Zielober Structure1 can be poorly lit, the must corresponding area size are set in relation to the total target surface. If in contrast, the non-illuminable area small compared to the entire target surface or the Resolution of the sensor 3 may be subject to further efforts Illumination be dispensed with.
- a condition not described here is the camouflage in the IR range, whose Embodiments are well known.
- the of the Target surface emitted radiance by cooling and thermal insulation initially below the smallest expected background radiance can be brought. Then you can go through Illumination with appropriate IR light sources the target surface 1 in all situations the Adapted to the IR background.
- This type of IR camouflage benefits the benefits of Temperature control for greater flexibility and rapid variation of the radiance. When using remote light sources, it is still in the case of polluted target surface effective.
- camouflage measure should not only be effective for a narrow wavelength interval, then it is necessary to use corresponding broadband or multi-frequency light sources.
- the necessary to determine the manipulated variable for the illumination brightness necessary on-board sensors must then also be performed multicolored or broad spectral.
- Such Equipment is required when the observing sensor 3, for example, two IR areas uses or additional UV sensors to increase the detection reliability.
- the illumination of the target surface can also be generated by controllable apertures Patterns that are varied spatially and temporally along with the brightness control can be used. In this way, background patterns can be mimicked to the Sensor 3 to make it difficult to locate the target.
- To deceive evaluation algorithms of sensors For example, if a rocket reaches one close proximity to the detected target, so limited the field of view of the IR seeker head of the rocket exclusively on the target surface. In this situation, one more significant for the sensor 3 Be generated in the final phase of the approach so on the Target surface is guided, that the rocket -ihm subsequently passed the target. A proper guidance of the significant spot is a greatly accelerated movement across to the approach direction of the rocket to the edge of the rocket sensor 3 seen from Target projection.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Traffic Control Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Radar Systems Or Details Thereof (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Description
Die Erfindung betrifft Verfahren und eine Vorrichtung zur Tamung eines militärischen Ziels, das beispielsweise ein Fahrzeug, ein Schiff oder ein Fluggerät sein kann.The invention relates to a method and a device for Tamung a military target, the For example, a vehicle, a ship or an aircraft may be.
Tamvorrichtung sind aus dem allgemeinen Stand der Technik, z.B. aus der US 5078462, der US 5158351 und der EP 0604268 bekannt.Tampering devices are known in the art, e.g. from the US 5078462, the US 5158351 and EP 0604268.
Aus der DE 34 01 919 A1 ist eine Tarnungsvorrichtung bekannt, bei der eine Kamera die hinter dem zu tarnenden Objekt befindliche Umgebung filmt. Eine Steuerung übermittelt entsprechende Bildausschnitte des zu tarnenden Fahrzueugs an Projektoren, die diese wiederum auf eine halbtransparente Platte projizieren, um einen Tarneffekt zu erzielen. In einer ersten Ausführungsform wird die Hintergrundinformation mittels innenliegender Projektoren auf die halbtransparent ausgeführte Zieloberfläche projiziert. Bei Verwendung geeigneter Projektoren kann auf diese Weise eine schnelle, auch räumlich und zeitlich variierende Einstellung der vom Ziel ausgehenden Strahldichte erreicht werden. Bei innenliegenden Projektoren muß die Zieloberfläche halbtransparent bleiben. Eine Verträglichkeit mit Maßnahmen zur Radartarnung ist bei innenliegenden Projektoren nur bedingt gegeben, da hierbei im sichtbaren Spektralbereich halbtransparente Radarabsorber benötigt würden. Darüber hinaus berücksichtigt diese Druckschrift nicht die militärisch bedeutsamen Spektralbereiche IR und UV. Alternativ wird vorgeschlagen, außenliegenden Projektoren zu verwenden. Der von von der Kamera angesteuerte Tamungsprojektor projiziert dabei zeitgleich und bezüglich der Größe angepaßt die aus der Sicht des Betrachters vom Ziel verdeckte und von der Kamera gefilmte Hintergrundfläche auf die Oberfläche des Ziels. Die außenliegenden Projektoren sind gegen eine Verschmutzung der Oberfläche geschützt.From DE 34 01 919 A1 discloses a camouflage device is known in which a camera behind the environment to be camouflaged filming. A control transmitted corresponding image sections of the to be camouflaged Fahrzueugs to projectors, this again project onto a semi-transparent plate to achieve a camouflage effect. In a First embodiment, the background information by means of internal projectors on projected the semi-transparent target surface. When using suitable Projectors can thus be a fast, also spatially and temporally varying Adjustment of emanating from the target radiance can be achieved. Inside Projectors, the target surface must remain semi-transparent. A compatibility with Radar camouflage measures is only conditionally available for internal projectors, since In this case, semi-transparent radar absorbers would be required in the visible spectral range. In addition, this document does not consider the militarily significant Spectral ranges IR and UV. Alternatively, it is proposed to external projectors use. The tamper projector controlled by the camera projects at the same time and adjusted in size from the observer's view of the target hidden and from the camera filmed background area on the surface of the target. The outside Projectors are protected against contamination of the surface.
Aus der Druckschrift EP 0 361 661 A1 ist eine Vorrichtung bzw. ein Verfahren bekannt, bei der bzw. bei dem mittels einer photo-leitenden Schicht die Farbtemperatur der emittierten Strahlung verändert wird. Die emittierte Strahlung wird über den jeweiligen Zustand der photo-leitenden Schicht bestimmt. From the document EP 0 361 661 A1 a device or a method is known in which or in which by means of a photo-conductive layer, the color temperature of the emitted radiation is changed. The emitted radiation is above the respective state of the photo-conductive Determined layer.
Es ist die Aufgabe der Erfindung, ein Verfahren und eine Vorrichtung zur Tamung von Zieloberflächen anzugeben, die elektro-optische Sensoren zu täuschen vermag und die den Stand der Technik verbessert.It is the object of the invention to provide a method and a device for tampering Specify target surfaces, which is able to deceive electro-optical sensors and the State of the art improved.
Diese Aufgabe wird durch die Merkmale der unabhängigen Patentansprüche 1 und 5 gelöst. Weitere Ausführungsformen sind in den Unteransprüchen angegeben.This object is solved by the features of independent claims 1 and 5. Further embodiments are specified in the subclaims.
Erfindungsgemäß wird zur Tamung von Zielen, wie Fahrzeugen, Schiffen oder Fluggeräten, die Abstrahlung von Licht extemer Lichtquellen auf die sichtbare Oberfläche des Zieles ausgenützt. Dabei wird zur Tarnung gegenüber elektrooptischen Sensoren eine geeignete Beleuchtung des Ortungsziels in den von externen Sensoren einsehbaren Oberflächenbereichen angewendet. Die Beleuchtung wird dabei üblicherweise so eingestellt, daß die Strahldichte der vom beobachteten Ziel ausgehenden optischen Strahlung möglichst gut der vom Zielhintergrund ausgehenden Strahlung entspricht.According to the invention for tampering with targets, such as vehicles, ships or aircraft, the Emission of light from external light sources exploited on the visible surface of the target. This camouflage against electro-optical sensors, a suitable illumination of the Positioning target applied in the surface areas accessible by external sensors. The lighting is usually adjusted so that the radiance of the observed target outgoing optical radiation as well as possible from the target background outgoing radiation corresponds.
Das erfindungsgemäße Verfahren zur Tamung eines militärischen Ziels mit einer Zieloberfläche vor zumindest einem externen Sensor sieht die Verwendung zumindest einer externern Lichtquelle vor und umfaßt die folgenden Schritte:
- Positionieren extemer Lichtquellen derart, daß die Zieloberfläche in Abhängigkeit von der Lichtstärke und von der Einfallsrichtung der externen Sensoren beleuchtet wird, wobei die zumindest eine Lichtquelle abhängig von der Einfallsrichtung für den externen Sensor nicht sichtbar ist,
- Bestrahlen der Zieloberfläche mit Licht in einem im Vergleich zum Meßbereich des Sensors kurzwelligeren Spektralbereich, wodurch das Licht mittels einer fluoreszierenden Beschichtung der Zieloberfläche in langwelligeres, vom Sensor erfaßbares Licht umgewandelt wird,
- Einstellung der Helligkeit der Lichtquelle aufgrund eines Vergleichs zwischen der gemessenen Strahldichte des Hintergrundes des Ziels, die in der zu erwartenden Blickrichtung der externen Sensoren auftritt, mit der vom Ziel ausgehenden Strahldichte.
- Positioning external light sources in such a way that the target surface is illuminated as a function of the light intensity and of the direction of incidence of the external sensors, wherein the at least one light source is not visible depending on the direction of incidence for the external sensor,
- Irradiating the target surface with light in a shorter wavelength compared to the measuring range of the sensor spectral range, whereby the light is converted by means of a fluorescent coating of the target surface in long-wavelength, detectable by the sensor light,
- Adjustment of the brightness of the light source based on a comparison between the measured radiance of the background of the target, which occurs in the expected viewing direction of the external sensors, with the radiance emanating from the target.
Die erfindungsgemäße Tameinrichtung für ein militärisches Ziel mit der Zieloberfläche verwendet zumindest eine externe Lichtquelle, wobei
- zumindest eine externe Lichtquelle zur Beleuchtung der Zieloberfläche (1) angeordnet ist,
- die Zieloberfläche eine fluoreszierenden Beschichtung zur Umwandlung von Licht in einem im Vergleich zum Meßbereich des Sensors kurzwelligeren Spektralbereich in langwelligeres, vom Sensor erfaßbares Licht,
- eine Vergleichseinrichtung zur Durchführung eines Vergleichs zwischen der gemessenen Strahldichte des Hintergrundes des Ziels, die in der zu erwartenden Blickrichtung der externen Sensoren auftritt, und der vom Ziel ausgehenden Strahldichte vorgesehen ist, um die Lichtstärke der externen Lichtquellen einzustellen.
- at least one external light source is arranged to illuminate the target surface (1),
- the target surface is a fluorescent coating for converting light in a spectral region of short wavelength compared to the measuring range of the sensor into longer wavelength light detectable by the sensor,
- a comparing means for making a comparison between the measured radiance of the background of the target, which occurs in the expected viewing direction of the external sensors, and the radiance emanating from the target, to adjust the light intensity of the external light sources.
Die besonderen Vorteile der erfindungsgemäßen Lösung sind darin zu sehen, daß aufgrund der Frequenzumsetzung des von den Lichtquellen abgestrahlten Lichts, auf das die erfassenden Sensoren üblicherweise nicht reagieren, die Entdeckung des Ziels über die Lichtquellen ausgeschlossen ist. Weiterhin ist es möglich, auch mehrspektrale Sensoren zu täuschen. Schließlich erlaubt die erfindungsgemäße Ausgestaltung der Erfindung, das Ziel sowohl von außen wie im Bereich der Oberflächenschicht selbst mit dem für die Tarnung notwendigen Licht zu versorgen.The particular advantages of the solution according to the invention can be seen in the fact that due to the Frequency conversion of the of Light sources radiated light, to which the sensing sensors usually not react, the discovery of the target is excluded via the light sources. It continues possible to deceive even multi-spectral sensors. Finally, the invention allows Embodiment of the invention, the goal both from the outside as well as in the area of the surface layer even with the light necessary for camouflage.
Im folgenden wird die Erfindung anhand der Figur näher beschrieben, die in schematischer Weise ein Ausführungsbeispiel derselben mit außenliegenden Lichtquellen zeigt.In the following the invention with reference to the figure will be described in more detail, which in more schematic One embodiment of the same with external light sources shows.
In der Figur ist ein Teil der Zieloberfläche 1 eines nicht näher bestimmten Ziels dargestellt. An
zielabhängig geeigneten Orten sind außerhalb der Zieloberfläche 1 eine oder mehrere
Lichtquellen 2 angeordnet. Die Anordnung erfolgt bevorzugt so, daß die Lichtquelle 2 aus dem
Bereich, in dem eine Beobachtung mit externen Sensoren 3 erwartet wird, nicht direkt
einsehbar ist. Diese Lichtquellen emittieren Licht in einem kurzwelligeren Spektralbereich, als
der Sensor 3 registrieren kann. Das Licht der Lichtquellen 2 trifft auf die vom Sensor 3
beobachtete Zieloberfläche 1. Diese Zieloberfläche ist mit einer fluoreszierenden Beschichtung
4 versehen, die das auffallende Licht in ein langwelligeres, vom Sensor 3 erfaßbares Licht
umwandelt. Fluoreszierende Beschichtungen stören in der Regel die ebenfalls notwendigen
Tarnmaßnahmen gegen Radarstrahlung nicht, da sie üblicherweise weder elektrisch leitend
noch mikrowellenabsorbierend ausgeführt sind. Durch geeignete bordeigene Sensoren, die auf
der in Fig. 1 dargestellten Zieloberfläche 1 gegenüberliegenden Seite angeordnet sind, werden
die Strahldichte des Hintergrundes gemessen. Weiterhin wird die vom Ziel selbst ausgehende
Strahldichte ermittelt. Der Vergleich beider Werte führt zu einer Stellgröße für die Helligkeit der
das Ziel beleuchtenden Lichtquellen 2.In the figure, a part of the target surface 1 of an unspecified target is shown. At
Target-dependent suitable locations are outside the target surface 1 one or
Bei der Festlegung der Lichtquellenpositionen muß die vornehmlich erwartete
Beobachtungsrichtung der Sensoren auf das Ziel berücksichtigt werden. So ist
beispielsweise eine Beleuchtung der Oberseite eines Flugzeuges bei anzunehmender
Beobachtung durch Bodensensoren nicht notwendig. Wenn Teile der vom erwarteten Sensor 3
einsehbaren Zieloberfläche1 nur schlecht ausgeleuchtet werden können, so muß die
entsprechende Flächengröße in Relation zur gesamten Zieloberfläche gesetzt werden. Wenn
dagegen die nicht beleuchtbare Fläche klein gegenüber der gesamten Zieloberfläche oder die
Auflösung des Sensors 3 ist, kann unter Umständen auf weitere Anstrengungen zur
Ausleuchtung verzichtet werden.When determining the light source positions, the primarily expected
Observation direction of the sensors are taken into account on the target. So is
For example, an illumination of the top of an aircraft in anzunehmender
Observation by ground sensors not necessary. If parts of the expected
Eine hier nicht näher beschriebene Voraussetzung ist die Tarnung im IR-Bereich, deren Ausführungsformen hinreichend bekannt sind. Für eine Nutzung im IR-Bereich muß die von der Zieloberfläche emittierte Strahldichte durch Kühlung und thermische Isolation zunächst unter die kleinste zu erwartende Hintergrund-Strahldichte gebracht werden. Dann kann durch Beleuchtung mit entsprechenden IR-Lichtquellen die Zieloberfläche 1 in allen Situationen dem IR-Hintergrund angepaßt werden. Diese Art der IR-Tarnung nützt die Vorteile der Temperatursteuerung hinsichtlich größerer Flexibilität und schneller Variation der Strahldichte. Bei Benutzung abgesetzter Lichtquellen ist sie auch im Falle verschmutzter Zieloberfläche noch wirksam.A condition not described here is the camouflage in the IR range, whose Embodiments are well known. For use in the IR range, the of the Target surface emitted radiance by cooling and thermal insulation initially below the smallest expected background radiance can be brought. Then you can go through Illumination with appropriate IR light sources the target surface 1 in all situations the Adapted to the IR background. This type of IR camouflage benefits the benefits of Temperature control for greater flexibility and rapid variation of the radiance. When using remote light sources, it is still in the case of polluted target surface effective.
Soll die Tarnmaßnahme nicht nur für ein schmales Wellenlängenintervall wirksam sein, so
müssen entsprechend breitbandigere oder mehrfrequente Lichtquellen verwendet werden. Die
zur Ermittlung der Stellgröße für die Beleuchtungshelligkeit notwendigen bordeigenen Sensoren
müssen dann ebenfalls mehrfarbig oder breitspektral ausgeführt werden. Eine derartige
Ausrüstung ist erforderlich, wenn der beobachtende Sensor 3 beispielsweise zwei IR-Bereiche
nutzt oder zusätzliche UV-Sensoren zu einer Erhöhung der Detektionssicherheit heranzieht. If the camouflage measure should not only be effective for a narrow wavelength interval, then
it is necessary to use corresponding broadband or multi-frequency light sources. The
necessary to determine the manipulated variable for the illumination brightness necessary on-board sensors
must then also be performed multicolored or broad spectral. Such
Equipment is required when the observing
Die Beleuchtung der Zieloberfläche kann durch steuerbare Blenden auch zur Erzeugung von
Mustern, die zusammen mit der Helligkeitsregelung auch räumlich und zeitlich variiert werden
können, verwendet werden. Auf diese Weise lassen sich Hintergrundmuster imitieren, um dem
Sensor 3 die Ortung des Ziels zu erschweren. Es besteht darüber hinaus die Möglichkeit, die
Auswertealgorithmen von Sensoren zu täuschen. Erreicht beispielsweise eine Rakete eine
große Nähe zum erfaßten Ziel, so beschränkt sich das Blickfeld des IR-Suchkopfes der Rakete
ausschließlich auf die Zieloberfläche. In dieser Situation kann ein für den Sensor 3 signifikanter
Leuchtfleck erzeugt werden, der in der Schlußphase des Anfluges derart über die
Zieloberfläche geführt wird, daß die Rakete -ihm nachfolgend- am Ziel vorbeigeführt wird. Eine
geeignete Führung des signifikanten Leuchtflecks ist eine stark beschleunigte Bewegung quer
zur Anflugrichtung der Rakete bis hin zum Rand der vom Raketensensor 3 aus gesehenen
Zielprojektion.The illumination of the target surface can also be generated by controllable apertures
Patterns that are varied spatially and temporally along with the brightness control
can be used. In this way, background patterns can be mimicked to the
Claims (7)
- A method for camouflaging a military target having a target surface (1) from at least one external sensor (3) by using at least one external light source, characterised by the following steps:positioning external light sources (2) in such a manner that the target surface (1) is illuminated as a function of the luminous intensity and as a function of the direction of incidence of the external sensors (3), the at least one light source (2) not being visible to the external sensor (3), depending on the direction of incidence,irradiating the target surface (1) with light in a spectral region that is of shorter wavelength in comparison with the measurement range of the sensor (3), as a result of which the light is converted by means of a fluorescent coating (4) of the target surface (1) into light of a longer wavelength that can be detected by the sensor,adjusting the brightness of the light source (2) on the basis of a comparison of the measured radiance of the background of the target, which arises in the expected line of sight of the external sensors (3), with the radiance emanating from the target.
- Method for camouflaging a military target having a target surface (1) from external sensors (3), according to Claim 1, characterised in that for the purpose of camouflaging in the IR region the radiance emitted from the target surface (1) is brought to below the lowest expected background radiance as a result of cooling and thermal insulation of the target surface (1).
- Method for camouflaging a military target having a target surface (1) from external sensors (3), according to Claim 1 or 2, characterised in that use is made of broadband or multifrequency light sources (2), whereby for the purpose of ascertaining the correcting variable for the brightness of illumination use is made of polychromatic sensors or sensors operating within a broad spectrum.
- Method for camouflaging a military target having a target surface (1) from external sensors (3), according to one of the preceding claims, characterised in that by means of the external light sources (2) at least a local rise in brightness is generated on the surface (1) of the target and this is guided over the target surface in such a manner that the external sensor is deceived.
- A camouflaging device for a military target having a target surface (1) for the purpose of camouflaging from at least one external sensor (3) by using at least one external light source, comprisingat least one external light source (2) [is arranged] for the purpose of illuminating the target surface (1),a fluorescent coating (4) on the target surface (1) for the purpose of converting light in a spectral region of shorter wavelength in comparison with the measurement range of the sensor (3) into light of longer wavelength that can be detected by the sensor,a comparator for carrying out a comparison of the measured radiance of the background of the target, which arises in the expected line of sight of the external sensors (3), with the radiance emanating from the target [is provided], in order to adjust the luminous intensity of the external light sources.
- Camouflaging device for a military target having a target surface (1) for the purpose of camouflaging from at least one external sensor (3) by using at least one external light source, according to Claim 5, characterised in that for the purpose of camouflaging in the IR region a device for cooling and for thermal insulation of the target surface (1) is provided, in order to bring the radiance emitted by the target surface (1) to below the lowest expected background radiance.
- Camouflaging device for a military target having a target surface (1) for the purpose of camouflaging from at least one external sensor (3) by using at least one external light source, according to Claim 5 or 6, characterised in that use is made of broadband or multifrequency light sources (2), whereby for the purpose of ascertaining the correcting variable for the brightness of illumination use is made of polychromatic sensors or sensors operating within a broad spectrum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02012598A EP1245920B1 (en) | 1999-09-09 | 2000-09-04 | Process and device for camouflage of military targets |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19943186 | 1999-09-09 | ||
DE1999143186 DE19943186C2 (en) | 1999-09-09 | 1999-09-09 | Methods and devices for adaptively camouflaging targets in front of external sensors |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02012598A Division EP1245920B1 (en) | 1999-09-09 | 2000-09-04 | Process and device for camouflage of military targets |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1083400A2 EP1083400A2 (en) | 2001-03-14 |
EP1083400A3 EP1083400A3 (en) | 2002-10-23 |
EP1083400B1 true EP1083400B1 (en) | 2005-11-16 |
Family
ID=7921401
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02012598A Expired - Lifetime EP1245920B1 (en) | 1999-09-09 | 2000-09-04 | Process and device for camouflage of military targets |
EP20000118247 Expired - Lifetime EP1083400B1 (en) | 1999-09-09 | 2000-09-04 | Adaptive camouflage for targets |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02012598A Expired - Lifetime EP1245920B1 (en) | 1999-09-09 | 2000-09-04 | Process and device for camouflage of military targets |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP1245920B1 (en) |
DE (3) | DE19943186C2 (en) |
ES (2) | ES2251543T3 (en) |
Family Cites Families (10)
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FR2699684B1 (en) * | 1992-12-21 | 1995-01-20 | Thomson Csf | Platform signature control and adaptation device in various environments. |
DE4406227C1 (en) * | 1994-02-03 | 1995-10-12 | Daimler Benz Aerospace Ag | Radar, IR or optical camouflage appts. for aircraft carrying radiators and sensors |
DE19715209A1 (en) * | 1997-04-11 | 1998-10-15 | Thomas Dr Richter | Method for determining intensity of gravitational interaction |
-
1999
- 1999-09-09 DE DE1999143186 patent/DE19943186C2/en not_active Expired - Fee Related
-
2000
- 2000-09-04 DE DE50011833T patent/DE50011833D1/en not_active Expired - Lifetime
- 2000-09-04 ES ES02012598T patent/ES2251543T3/en not_active Expired - Lifetime
- 2000-09-04 ES ES00118247T patent/ES2247995T3/en not_active Expired - Lifetime
- 2000-09-04 DE DE50011612T patent/DE50011612D1/en not_active Expired - Lifetime
- 2000-09-04 EP EP02012598A patent/EP1245920B1/en not_active Expired - Lifetime
- 2000-09-04 EP EP20000118247 patent/EP1083400B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1245920A3 (en) | 2002-10-09 |
EP1245920A2 (en) | 2002-10-02 |
DE50011833D1 (en) | 2006-01-12 |
ES2247995T3 (en) | 2006-03-16 |
EP1083400A3 (en) | 2002-10-23 |
DE19943186A1 (en) | 2001-07-26 |
EP1083400A2 (en) | 2001-03-14 |
ES2251543T3 (en) | 2006-05-01 |
EP1245920B1 (en) | 2005-12-07 |
DE50011612D1 (en) | 2005-12-22 |
DE19943186C2 (en) | 2002-06-20 |
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