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7612735 |
Multi-function field-deployable resource harnessing apparatus and methods of manufacture
A multi-function, field-deployable resource harnessing apparatus having, in its embodiments, an inflatable reflector apparatus comprising at least one manufactured parabolic mirror made from a...
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7559288 |
Recoverable optical fiber tethered buoy assembly
The invention as disclosed is a recoverable tethered optical fiber buoy and winch assembly that is mounted to the back of the sail or the back of an aft non-moving surface of an underwater vehicle...
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7468703 |
Buoyant cable antenna system
A buoyant cable system and method is provided with a flexible towed platform that may be deployed into the water from a submerged submarine. The flexible towed platform has a memory that returns to...
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7466278 |
Buoyant cable antenna system and method with articulating blocks
A buoyant cable system and method is provided with a towed platform that is flexible for deployment into the water from a submerged submarine. The towed platform has a memory that returns to a...
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7429957 |
Wideband floating wire antenna using a double negative meta-material
A buoyant cable antenna element is taught that employs a specific double-negative meta-material sheath with a negative permeability. The double-negative meta-material sheath is disposed over the...
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7411558 |
Buoyant cable antenna configuration and system
A buoyant cable system and method is provided with a towed transmission line and antenna platform that may be deployed into the water from a submerged submarine so that the antenna extends above...
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7382327 |
Antenna vibration isolation mounting system
A vibration isolation system for the antenna of a vehicle, such as a maritime vessel. The vibration isolation system has a staged construction that slidably attaches the maritime antenna to a...
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7267070 |
Device for controlling steering of a towed underwater object
A device for controlling steering of a towed underwater object, in particular a towed linear acoustic antenna. The device comprises a body having a longitudinal axis, the body being provided with a...
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7250915 |
Satellite antenna positioning system
A system and method for automatically positioning an antenna aperture on a mobile platform in a manner to avoid blockages created by other components/subsystems on the mobile platform between the...
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7218273 |
Method and device for boresighting an antenna on a moving platform using a moving target
A technique for boresighting an antenna mounted on a moving platform is described. The technique uses a concurrently moving calibration target. Target navigation data and platform navigation data...
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7199763 |
Ground proximity antenna system
The invention provides an antenna system for operation near a ground plane, for example, at or near the surface of a body of water. The antenna system includes, for example, an array of filar...
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7173569 |
GPS speedometer and communication device for boats
A speedometer and communication device for boats includes a hand-held GPS unit, mounting member and antenna ring. The mounting member has a flange that extends and secures the mounting member to a...
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7170459 |
Split lead antenna system
An antenna assembly for mounting on a backstay of a sailboat. An insulative support apparatus includes a slotted center tube that can be forced over the backstay for mounting thereon. First and...
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7170458 |
Inflatable antenna system
The present invention involves an inflatable antenna system including an inflatable antenna and a mounting plate. The inflatable antenna includes an inflatable cone or cylinder and a plurality of...
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7165504 |
Antenna linear extension and retraction apparatus for a submersible device, and method of use
An antenna linear extension and retraction apparatus and method of use for a submersible device is provided. The apparatus includes a body having a cavity formed at an external surface. A bladder...
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7123201 |
Radar antenna leveling system
A remotely controllable, tiltable platform supports a radar transmitter/receiver for rotational movement of the radar relative to a mounting on a vessel, such as a mast of a sailboat or the...
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7123200 |
Sea surface antenna
A sea surface antenna comprises a cylindrical tube of metallic material 13 on a dielectric former. The tube has a longitudinal slot shorted at each end and coupled at its midpoint to a coaxial...
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7095377 |
Light-weight signal transmission lines and radio frequency antenna system
A light weight antenna system and corresponding lightweight transmission lines are disclosed that are characterized as having an extremely light weight relative to prior such systems and lines. An...
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RE39053 |
Collision avoidance system for use in aircraft
A collision avoidance system mountable on an aircraft for providing to the pilot of that aircraft an early warning of the presence of another nearby threat aircraft within the surrounding air...
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7000561 |
Mast device for a submarine
The mast device for a submarine comprises a guiding means, a vertically traversable mast guided therein and information means which are provided at the mast upper end and which are in electrical...
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6950075 |
GPS antenna for submarine towed buoy
An apparatus including a gimbal and an antenna with a hollowed frustum having a closed end and an open end. The antenna includes a feed stem at the closed end extending as an internal rod into the...
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6870508 |
Antenna for deployment from underwater location
A slotted antenna comprises a plurality of loop structures and interconnecting conductors that define a slot. The antennas can operate in a single band or over multiple bands. Flexible or...
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6859180 |
Gravity-actuated submarine antenna
An antenna including a feed tube with radial fins and circular plates at the ends of the tube and fins thereby forming a boundary for a plurality of resonant cavities. Curved plates, connected to...
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6745046 |
Integrated antenna coupler element
Integrated antenna coupler element, in particular for a multiband terminal of a mobile radio system, with an operating voltage connection, an antenna input/output, a transmit signal input, a...
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6710746 |
Antenna having reconfigurable length
The present invention is drawn to an antenna having a reconfigurable length, and a method of reconfiguring an antenna. The antenna can comprise an enclosed composition capable of forming plasma...
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6683579 |
Antenna for submarine towed buoy
A compact antenna transmits and receives broadband electromagnetic energy signals over a 180° hemispherical pattern in air at the ocean's surface. The antenna has an elongate semi-cylindrical...
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6674970 |
Plasma antenna with two-fluid ionization current
A plasma antenna is provided having an ionizer, which when energized, generates a bounded or unbounded plasma column extending along a vertical axis. When ionization is initiated, the difference in...
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6611691 |
Antenna adapted to operate in a plurality of frequency bands
A novel retractable antenna which enables dual-band operation in two different positions of the antenna is described. Further, the novel retractable antennas are couple to a variety matching...
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6577268 |
Outboard radio signal test system and method
The present invention provides an outboard test facility that is operable for testing a ship's direction finding antenna system in all directions as the ship circles while receiving test signals...
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6522301 |
Above deck unit for automatic identification system
An above deck unit for an AIS (automatic identification system) is externally installed on a ship. The above deck unit includes a radio circuit and an associated antenna for transmitting and...
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6392606 |
Antenna extension system
An antenna extension system for extending an antenna from an underwater vehicle. The system comprises a housing disposed wholly within the vehicle and a plurality of telescopically connected tiers...
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6335708 |
Antenna transfer assembly with jam preventing inserts
A flexible antenna cable is deployed or retrieved by movement along a helical path through an enclosure passage formed between internal surfaces of an assembly within which a plurality of cable...
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6225940 |
Radar reflecting system and method for small water craft
A detection system for small water craft, such as a kayak. Radar reflective material is incorporated in the surface of the kayak or other water craft, and also is incorporated in surface areas of...
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6218994 |
Small antennas for communication over sea ice
The invention described herein relates to an antenna system which makes use of the waveguide properties of sea ice. The antenna system broadly includes at least one antenna wire extending along and...
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6195057 |
Submarine antenna assembly for deployment through ice layer
A submarine antenna assembly comprises a tubular body having a removable end cap, a mast stowable in the body and extendible therefrom and having elements mounted thereon, a penetrator stowable in...
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6191749 |
Arrangement comprising an antenna reflector and a transceiver horn combined to form a compact antenna unit
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6154179 |
Underground or underwater antennas
A high dielectric is fixed to the side of an opening of a casing made from a good electroconductive material or is fixed to the side of an opening of an outer shell made from an insulator such as...
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6144342 |
Method for controlling the navigation of a towed linear acoustic antenna, and devices therefor
A method for controlling the navigation of a towed linear acoustic antenna. Birds equipped with variable-incidence wings are fixed onto the antenna. Through a differential action, the wings allow...
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6127983 |
Wideband antenna for towed low-profile submarine buoy
A wideband, low-profile, towable submarine antenna is provided. The antenna is formed with a metal cylinder having a longitudinal slot. The entire enna may be encapsulated in a tow body and towed...
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6097344 |
Mast mounting device for radar
A device (10) for mounting a radar antenna to a support structure such as a mast (M) includes a generally U-shaped frame (12). A proximal end (14) of the frame is adapted for securement to the...
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6087993 |
Plasma antenna with electro-optical modulator
A plasma antenna is provided. An ionizer generates an ionizing beam in a nded or unbounded plasma column extending along a vertical axis. An amplitude or frequency modulating signal is applied to...
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6058874 |
Radio frequency communications for underwater vehicle
An antenna arrangement for a submerged submarine includes an independently unctioning underwater vehicle free of any tethered connection to said submarine, a buoy member having a hydrodynamic...
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5990843 |
Highly-stiffened, dual-axle antenna tracking pedestal
The highly-stiffened, dual-axle antenna tracking pedestal improves tracking performance, reduces manufacturing and installation costs and increases safety during field assembly, maintenance and...
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5977918 |
Extendible planar phased array mast
The invention provides a hydrodynamically and stealth shaped suite of antas and sensors mounted above a hydrodynamically and stealth shaped mast. The mast is configured to extend from the sail of a...
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5933117 |
Flexible ferrite loaded loop antenna assembly
A buoyant loop antenna, deployable along a cable, includes a core region prising a plurality of annular ferrite beads. These annular shaped beads include a center hole and generally concave first...
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5684493 |
Support base for submarine antenna mast
A support base fabricated with a heat exchanger for use in supporting an enna mast which contains heat generating electronic components. The base is attached to the faired mast of a submarine and...
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5606329 |
Buoyant cable antenna
A submarine buoyant cable antenna having positive buoyancy comprising a cunications antenna electronics package encased in a polymer composition, the polymer composition comprising from about 80...
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5526009 |
Dual frequency lightweight deployable antenna system
A lightweight deployable antenna system capable of operating at two frequies concurrently, includes a canister providing an elongated chamber and mast therewithin. A conductor extends into the mast...
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5519407 |
Circularly polarized dual frequency lightweight deployable antenna system
A deployable antenna assembly includes a canister providing an elongated mber and an elongated hollow mast with a mounting member on its upper end. A coaxial cable extends into the hollow mast to...
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5517202 |
Minimal washover, inline high frequency buoyant antenna
A buoyant antenna for providing sufficient transmission time windows for munication at ultra-high and extremely-high frequencies. The antenna is configured to float on the surface of a body of...
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