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7576281 |
Apparatus for altering the course of travelling of a moving article and a method thereof
The present invention relates to an apparatus for altering the course of a moving article and a method thereof comprising of a launching aircraft or surface craft to deploy said apparatus towards a...
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7503259 |
Anti-submarine warfare cluster munitions and cluster depth charges
A system of cluster depth charges increases the probability of inflicting damage on an underwater target. In an embodiment, the cluster depth charges are within a housing, and have intelligent...
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6910658 |
Underwater detection system
An anti-torpedo torpedo having laser homing head, the torpedo being launched from a parent vessel or platform which itself houses the expensive to replace, the bulky, or the high power consuming...
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6674691 |
Rigid sting extension for ocean turbulence measurement from an unmanned underwater vehicle
The present invention relates to a system for collecting ocean turbulence data without interference from the hydrodynamic effects of the vehicle. The ocean turbulence data collection system...
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6651004 |
Guidance system
A method and apparatus for directing a pursuing vehicle, such as a torpedo, on an intercept trajectory from a launching vehicle to a target vehicle with evasion capabilities. The guidance system...
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6622647 |
Active noise cancellation for a torpedo seeker head
A noise cancellation system and method for use with a seeker head of a marine vessel are provided according to the invention. The seeker head employs one or more hydrophones that generate one or...
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6108270 |
Torpedo seeker head having directional detection independent of frequency
A torpedo seeker head for providing guidance information in three orthogonal axes is provided according to the invention. The torpedo seeker head includes three directional hydrophones, with each...
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5824946 |
Underwater search angle selection system and method of special utility with surface contacts
A search angle selection system generates a search angle for a torpedo in sponse to a number of inputs. Initially, the system bounds the region to be insonified. The system determines the search...
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5819676 |
Underwater acoustic search angle selection system and method of special utility with submerged contacts
A search angle selection system determines acoustic homing beam offset ans to be used by a torpedo from a group of target depth conditions in response to given environmental, tactical, target and...
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5734121 |
Long-range sensor system, particularly for heavy torpedoes
A long-range sensor system, particularly for heavy torpedoes, comprising a group of high and medium frequency sensors (2) disposed on the forward part of the torpedo (1) and an additional group of...
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5602801 |
Underwater vehicle sonar system with extendible array
An underwater vehicle sonar system has sonar sensors provided in arms to plement a nose mounted array. The arms are capable of use in an extended position to provide a large diameter sonar array...
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5444669 |
Magnetic relative position measuring system
A torpedo relative position measuring system, including an active sonar system and a passive magnetic system, is coupled to computing apparatus which operates in response to a set of stored...
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5442358 |
Imaging lidar transmitter downlink for command guidance of underwater vehicle
An underwater maneuverable vehicle is presented which carries an explosive charge and can be used for immediate removal or destruction of various menaces to navigation and other underwater hazards....
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5428582 |
Decoupling ring
A decoupling ring provided on the front annular face of the nose shell of a craft, surrounding the sonar array. This ring decouples the vibration in the nose shell from the fluid path. The...
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5426619 |
Matched array plate
An array plate for use in an underwater craft. The craft having an array of sonar elements which has a selected range of operating frequencies. The array plate having at least one layer of material...
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5425001 |
Navigation system for an underwater vehicle
A method and apparatus for navigating underwater a killer vehicle towards a mine emitting a magnetic field by using measurements of the mine's magnetic field, by two magnetic sensors affixed to the...
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5363343 |
Folded hydrophone array for narrow marine vehicles
An extendible linear sonar array for an Autonomous Underwater Vehicle (AUV) comprises a linear hydrophone array fixed in the nose of the AUV and two hydrophone array segments mounted at the leading...
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5309855 |
Submarine weapon
In a submarine weapon, particularly for combating submarines, a rocket engine with continuous rocket thrust is utilized as the submarine drive unit. An actively locating, acoustic target seeking...
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5248978 |
Underwater guide vehicle for removal of submerged and floating navigational hazards
An underwater maneuverable vehicle is presented which carries an explosive charge and can be used for immediate removal or destruction of various menaces to navigation and other underwater hazards....
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5247895 |
Method and apparatus for guiding a torpedo
Method and apparatus for guiding an acoustic torpedo toward a ship selected as target which, as a defence against torpedoes drags noise generating decoys (so-called disturbance generators) wherein...
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5241314 |
Image lidar transmitter downlink for command guidance of underwater vehicle
An underwater maneuverable vehicle is presented which carries an explosive charge and can be used for immediate removal or destruction of various menaces to navigation and other underwater hazards....
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5235924 |
Anticountermeasure system for torpedoes
A system which overcomes the effects of acoustical torpedo counter-measures y using an attack on a countermeasure as a logical step toward the attack on a "real" target. A slight bearing error is...
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5229541 |
Torpedo safety system
A safety system for deterring a homing missile from attacking its launching ehicle whereby the launching vessel is enabled to alter the course and neutralize the detonator of the weapon.
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5012717 |
Air-to-subsurface missile system
The invention is an air-to-subsurface missile system which has an acoustic oming torpedo and a directional sonobuoy held in the missile behind the torpedo by a cowling means which includes fins for...
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4989530 |
Low drag homing torpedo nose assembly having side mounted planar arrays
A low drag nose assembly for use with an acoustic homing torpedo in an aqus environment has at least one planar array mounted in the slanting side of a substantially conical support member and...
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4731763 |
Sonar antenna for use as the head of an underwater device, and method for manufacturing the same
A sonar antenna is provided which can serve as the head of an underwater device, e.g., a torpedo, and a method for manufacturing the same. The sonar antenna is formed of a block of syntactic foam...
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4531468 |
Temperature/pressure compensation structure
A bladder shaped to conform to the form of the sonar transducer housing of a torpedo in which it is located compensates for volume changes because of temperature changes of the oil which fills the...
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4429652 |
Ultrasonic excitation of underwater torpedoes for enhancing maneuverability, speed and targeting accuracy
For enhancing the maneuverability, speed, survivalbility, and targeting accuracy of a torpedo moving below the surface of a body of water, ultrasonic vibrations are set-up at the exterior of the...
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4274353 |
Acoustic imaging system for wire guided torpedo
An acoustic imaging system for a wire guided torpedo having an array of tsducers arranged in the nose of a torpedo to receive acoustic signals. A spherical acoustic lens focuses the signals on the...
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4239012 |
Homing torpedo control apparatus
2. In an echo-ranging torpedo wherein spurious and true-target echo signals ay be received in the listening periods between repetitive search-pulse transmission instants, in combination: a receiver...
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3643616 |
TORPEDO GUIDANCE SYSTEM
Method and means of guiding a torpedo along a collision course with a mov target ship, wherein the torpedo maintains a predetermined substantially constant lead angle with respect to the target...
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2792190 |
Systems including a steerable vehicle and a finder device mounted thereon
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