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5512912 |
Marine antenna mount
An antenna mount for a vehicle includes a two axis gimbaled mounting which allows the antenna to rotate in two axes. A pendular mass is provided to maintain the antenna in a particular orientation...
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5489911 |
Marine VHF antenna system and method
Improved marine VHF radio antennas systems are provided that can be installed on sailboats to position a whip antenna or other radiation unit aloft from the boat deck, even while underway. The...
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5485169 |
Antenna orienting apparatus for vehicles
A passive, active or mixed platform type antenna orienting apparatus mounts on a vehicle such as a small-sized vessel or an automobile, which is subject to turns and complex vibrations, traces a...
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5446468 |
Launcher tube deployed marker beacon including settlement atop foliage feature
A marker beacon deployable by being launched through overhead foliage is able of landing atop and settling on the foliage for visual and infrared detection. A tether limits the flight range of the...
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5417178 |
Boat mounted antenna controller system
The invention provides a controller for moving a boat mounted pole device, such as a marine antenna, from a normally vertical orientation to a substantially horizontal orientation so as to avoid...
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5410327 |
Shipboard stabilized radio antenna mount system
A stabilized antenna mount system is described which includes an antenna subassembly, a means for allowing the subassembly to rotate in three dimensional planes, and a means for stabilizing the...
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5406294 |
Floating antenna system
A floating antenna system which can be deployed and retrieved by an underwater diver is equipped with a pressure proof radome atop an elongated support stalk carrying a lobed, inverted pyramidoidal...
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5351060 |
Antenna
A satellite television receiver antenna for use on seaborne vessels comprises a Cassegrain antenna including a parabolic main reflector, and a hyperbolic sub-reflector mounted at an angle slightly...
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5272486 |
Antenna erector for a towed buoyant cable
An apparatus is provided for erecting and stowing a communications antenna rom an underwater buoyant cable. In its stowed position, the antenna is approximately parallel to the cable. In its...
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H001220 |
VLF-VHF broadband in line amplifier for submarine antennas
A VLF-VHF broadband in-line amplifier forms a portion of a towable buoyant able antenna system that is deployed in seawater from submarines. The amplifier is located between an antenna system and a...
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5132696 |
Pneumatic extendable antenna for water deployable buoy
A water-deployable whip antenna is extendable from a shortened configuration to a lengthened configuration. The body of the antenna is made up of a plurality of hollow frusto-conical segments which...
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5128688 |
Mast translation and rotation drive system utilizing a ball drive screw and nut assembly
A submarine radar antenna mast extension, retraction and rotation mechanism comprises a ball drive screw attached to the mast with a ball drive nut threaded to the screw. A rotary tube surrounds...
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5111212 |
Radar antenna mount
The mount disclosed herein facilitates the mounting of a radar antenna on a sailboat subject to heeling. A pivotable bracket providing a single horizontal axis of rotation only is supported on the...
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5091732 |
Lightweight deployable antenna system
A deployable antenna assembly includes a canister providing an elongated chamber and an elongated hollow mast with a mounting member on its upper end. A coaxial cable extends into the hollow mast...
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5049896 |
Antenna mount
An apparatus for mounting an antenna at the upper end of a mast. The antenna has a first electrical connector extending downward from its lower end. The mast has a second electrical connector...
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4962488 |
Technique for surface to surface communications using high frequency radio with low probability of intercept signaling
A high frequency (HF) communications buoy that employs HF surface wave, and sky wave, communication and spread spectrum modulation to suppress multipath fading and to decrease the undesired...
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4920350 |
Satellite tracking antenna system
A ship borne antenna using a gimballed mount for establishing a two degree of freedom unstabilized structure. A ring is mounted for rotation on a radome and carries an antenna mounted for rotation...
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4920349 |
Antenna mounting with passive stabilization
An antenna mounting for use on a ship and which can be oriented in bearing and in elevation and has passive stabilization, which antenna mounting comprises, in combination,: (a) a frame which can...
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4859107 |
Structures subject to bending and fatigue loading
A structure to be subjected to bending and fatigue loading comprises two components having different stiffness connected together. Deflection of the more flexible component is accommodated by the...
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4803490 |
Horizon stabilized antenna beam for shipboard radar
A shipboard search radar in which an antenna beam is stepped up and down in elevation to keep the beam pointed approximately toward the horizon even though the ship may be rolling and/or pitching.
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4774519 |
Towable buoyant cable antenna system with in-line broadband amplifier
A towable broadband submarine antenna system for deployment in the ocean ing operation comprises an antenna element including a metallic termination tip and a length of single conductor buoyant...
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4766441 |
Spokewheel convertible antenna for BCA systems aboard submarines
A spokewheel convertible buoyant cable antenna is comprised of a multipliy of machined metal and molded or extruded plastic components. These parts are designed to be quickly assembled in such a...
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4760348 |
Broadband in-line amplifier for submarine antennas
A towable broadband submarine antenna system for deployment in the ocean ing operation comprises an antenna element including a metallic termination tip and a length of single conductor buoyant...
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4694773 |
Remote control tilting system for raising and lowering radar and radio arch for boats
A tiltable upwardly extending supporting arch assembly for supporting a radar antenna and other antenna devices above the roof of a cabin or control bridge superstructure of a boat including a...
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4687168 |
Mobile radio antenna support devices
A device for use in mounting on a boat or other mobile unit a radio antenna of the whip type includes a support member and a collar member. The support member has a partial ring portion with a side...
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4675686 |
Flotation bag assembly
An apparatus for the stable support of a structure, such as an antenna, in a fluid medium, such as the ocean. A flotation bag supporting an antenna is stabilized by the following features, which...
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4673934 |
Inflatable radar reflector
Improved radar reflector apparatus of the type comprising a collapsible and inflatable envelope surrounding a collapsible reflector array made of reflectors which, when the envelope is inflated,...
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4639227 |
Buoy
A buoy having a mainly circular upper surface and on this surface an auxiliary circular float body located at the center of this surface, the dimensions of the this upper surface and the auxiliary...
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4609083 |
Reactive attitude stabilization system
A reactive attitude stabilization system to be carried by a vehicle is provided where a first shaft is pivotally mounted on the vehicle in a normally horizontal relation. A second shaft is...
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4603333 |
Boat light-radio antenna
A telescoping boat light-antenna for use on a vessel which is recessed below the level of the deck when not being utilized and is capable of being extended to a predetermined height above the deck...
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4596989 |
Stabilized antenna system having an acceleration displaceable mass
A stabilized antenna system is disclosed. The stabilized antenna platform includes an acceleration displaceable mass which compensates for linear acceleration forces to inhibit tipping of the...
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4593290 |
Collapsible antenna assembly
The present disclosure describes an antenna which may be collapsed and stored in a compact configuration and readily released from storage to assume a deployed operative state. More specifically,...
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4580140 |
Twin aperture phased array lens antenna
A phased array lens antenna which includes a lens having two faces disposed ubstantially at a right angle to each other. Transmit-receive modules which include phase-shifters are shared between the...
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4547164 |
Ship deck lifeline
A ship deck lifeline has an insulator fitting interposed between the metal able and the metal end stanchion. The lifeline cable is insulated from the metal ship deck thereby reducing electrical...
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4509054 |
Anti-stalling rotating antenna buoy system using wind deflecting plates
A plurality of plates are rigidly affixed normal to forward and rearward surfaces along a major axis of a maximal diameter of an asymmetrical rotating antenna. In the presence of a wind, any...
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4482333 |
Automatic inflation system
An automatic inflation system for use as an emergency locating system which is activated by the severance of an initiator wire which in turn begins the operation of a transmitter and a timer....
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4477818 |
Deployment mechanism for an electronic array
A deployment mechanism automatically deploys stave-like electronic sensing nits in a circular array and locks the sensing units in position. One end each of an upper and of a lower arm are...
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4475109 |
Inflatable antenna
An inflatable antenna for use with a buoy at sea is disclosed. Webs in the inflatable compartment of the antenna have parts metallized to form the feed portions of the radiating elements. Areas of...
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4463358 |
Convertible termination tip for submarine buoyant cable antenna system
A termination tip for submarine buoyant cable antenna systems can quickly converted from grounding to insulating and vice versa any number of times. The nosepiece assembly fits over a pin contact...
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4442435 |
Gyro stabilization platform for scanning antenna
A passive platform stabilization system is disclosed which is suitable for antenna stabilization in maritime communication systems. The stabilization system of the present invention comprises a...
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4433337 |
Passive stabilization conversion unit
An interconnect system from a combination gyro and pendulum weight passive stabilization system unit and an equipment platform, such as an antenna platform, whereby the platform is position...
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4406631 |
Flotation device
An air launchable sonobuoy having two separate liquid chemicals which react pon mixing to form an expanded, rigid foam flotation device. Upon deployment in the air, windflaps release a preloaded...
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4388623 |
Antennas
The invention provides an antenna having a large area reflector formed of a plurality of conductive slats of carbon fibre re-inforced plastics material having air gaps therebetween. The slats are...
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4384294 |
Stabilized antenna arrangement
A stabilized ship borne antenna arrangement is provided with an antenna which is stabilized against pitching and rolling motions of the ship on which it is mounted. The antenna is intended to...
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4376941 |
Antenna cable
A distributed loop antenna is embodied in a flexible cable structure for marine E.L.F. (extremely low frequency) radio reception. Several distributed loop and magnetic core configurations which...
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4353071 |
Self-erecting floatable structure
A self-erecting floatable structure which includes a collapsible extendible element and a hollow substantially cylindrical shaped core member about which the collapsible extendible element can be...
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4349824 |
Around-a-mast quadrifilar microstrip antenna
A down link UHF antenna is designed which includes four equispaced arms ml plated at an angle on a fiberglass cylinder. A coaxial connector is connected to each of the four arms with the metal...
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4336537 |
Bi-directional underwater communication system
A bi-directional underwater communication system provides a submerged operator with the capability to communicate with a surface site. A face-mask-mounted microphone and an earphone are connected...
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4329690 |
Multiple shipboard antenna configuration
A multiple antenna system for a ship mast top with the individual antenna sections being in stacked relationship. The uppermost antenna is a Global Positioning System antenna. The intermediary...
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4257048 |
Antenna system to reduce fading caused by multipath transmission
An antenna system including a single directional antenna having a single directional gain pattern for receiving electromagnetic waves in a certain direction. The orientation of the directional gain...
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