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Document |
Document Title |
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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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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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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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5964175 |
Conformal detachable platform array
The invention provides a system for attaching one or more unmanned, hydroamically shaped, autonomous, undersea platforms to the bow of a submarine. An array of depressions, each matching the shape...
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5550555 |
Structures subject to loading
A structure comprises a first component subject to loading and connected to a second component via a load transmitting member so that the loading exerted by the first component is imposed on the...
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5434584 |
Submarine communications system
A low frequency submarine communication system which utilizes the submarine ody as part of the antenna. The antenna is coiled around the submarine hull and utilizes the hull as the core for low...
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5014068 |
Transmission coupler antenna
A broad band HF communications antenna for surface ships has an increased rvivability over the currently used twin fan antennas. Capacitively coupling a long, flat conductive strap to existing ship...
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4543582 |
Antenna for a submarine vessel
For radio communication with submarine vessels frequency ranges with very low frequencies are used. Even at these frequencies the penetration depth in salt water is only approximately 10 to 20...
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4300468 |
Position interlock system for submarine masts and closure
A submarine's mast and its protective closure are prevented from inadvertly damaging each other while deploying or retrieving the mast and while securing the closure. Interconnected logic circuitry...
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4283727 |
Separable microwave coupling and antenna using same
A transmission path between a source of microwaves, such as a radar transceiver, and a load rectilinearly movable with reference thereto, such as an aerial mounted on a retractable mast of a...
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4200873 |
Folded tapered coaxial cavity-backed annular slot antenna
A low profile transmitting antenna consisting of a circular slot in a coal cavity that is folded several times. The last inner fold of the coaxial cavity is loaded with the tuning coil. The tuning...
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4177468 |
Inflatable cavity-backed annular slot transmitting antenna
A transmitting antenna that can be inflated with air or a liquid dielectric nd floated in seawater. It consists of a cuplike cavity backing a radiating annular slot antenna. It can be used to...
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4093935 |
Expandable transducer array
An array of sonar transducers enclosed within a flexible webbing and having spring members located between the transducers for urging the transducers against the webbing to provide a rigid...
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3680131 |
LOW PROFILE ANTENNA MOUNTED ON A WATERCRAFT
An omnidirectional, ultra high frequency transmitting antenna is disclosed having an unusually low profile and being of unusually rugged physical construction. A cylindrical monopole is attached to...
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3671971 |
AN HF SUPERSTRUCTURE DISCONE ANTENNA
A superstructure discone HF antenna comprising a vertically oriented ship'superstructure and a discone antenna connected to and rigidly supported and mounted upon the top thereof to form a unitary...
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3599213 |
FLEXIBLE BOUYANT CABLE ANTENNA
A spoke-wheel foldable, buoyant antenna comprising three-spokes separated 120°, the spokes being held on a threaded rod between spacers and the assembly being tightened by a nut. The central...
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3587105 |
PICTURE FRAMED ANTENNA
A television antenna adapted for indoor use which is maintained obscured by serving as the backing member for a picture frame and picture which antenna includes a thin rigid dielectric circuit...
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3551916 |
SEPTIC TANK VENT FOR BOATS
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3189906 |
Shipboard conical antenna with conductive support mast
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3151327 |
Plural electrically short concatenated coaxial stub antennas useful with aircraft
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3132322 |
Radiosonic buoys
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2840700 |
Electrode very low frequency radio receiving antenna for submarines
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