| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 343709000 | Waterborne (e.g., buoyant or with watercraft) | 14 |
| 20080316125 | Wideband Structural Antenna Operating in the Hf Range, Particularly For Naval Installations - A structural antenna system for operation in the HF frequency range, particularly for naval communications, is described, comprising at least one linear radiating arrangement ( | 12-25-2008 |
| 20090262031 | Generator device for marine geophysical research - The generator device is proposed for seabed survey, comprising a generator line, including electrodes, a hoist, hydraulic pump, air compressor, and at least one hose joined to the generator line, situated optionally inside or outside the line. The hose includes a through hydro-channel therein, a stationary end connected to the pump or alternatively to the compressor, and a running end furnished with a discharge valve. Connecting to the compressor ensures positive floatation of the generator line, whereas connecting to the pump ensures negative floatation thereof. In preferred embodiments, the device comprises a hydraulic clutch and a faucet. The hose communicates with the pump and compressor through the clutch and faucet, ensuring alternative communication of the hose's hydro-channel with water or air for filling thereof. The generator line comprises a dipole including one power braiding, and an initial part including two power braidings, the braidings are connected to the electrodes. | 10-22-2009 |
| 20100013723 | MARINE MULTIBAND ANTENNA - A marine multiband antenna array includes a nearly virtual bowtie UHF antenna and a connected VHF/FM antenna that together function as an AM antenna. A diplexer separates the AM/FM radio signals from the UHF/VHF television signals. | 01-21-2010 |
| 20100045545 | Ultra wideband buoyant cable antenna element - The invention as disclosed is of a buoyant cable antenna for use with underwater vehicles having improved bandwidth through the use of discrete distributed loading along the antenna. The buoyant cable antenna is designed with an antenna wire that is divided into N equal length segments of length d/2. A capacitor is coupled between every other segment such that capacitors are separated by a distance d. A shunt inductor is coupled to the antenna wire between the adjoining segments not separated by a capacitor such that the shunt inductors are separated by a distance d. This antenna design provides a substantially improved impedance bandwidth over existing prior art antennas at high frequency without increasing the physical profile of the antenna and without the use of active circuit elements. | 02-25-2010 |
| 20100207828 | STEALTH WIRELESS COMMUNICATIONS FACILITY - A system for mounting a wireless antenna and equipment to a stealth communication tower in coastal areas and inland waterways, camouflaged as a sailboat. The Cellboat is retrofitted to securely and discreetly store wireless transceiver equipment, and an antenna is attached at the top of the mast. Access doors are disposed in the side of the Cellboat to provide access to the equipment for maintenance purposes. The Cellboat is stored at drydock, allowing for access and protection from flooding of the equipment. Alternatively, when the Cellboat is deployed in the water, the access doors will be located on the top deck of the Cellboat. | 08-19-2010 |
| 20110267242 | ANTENNA LEVELING SYSTEM - An apparatus for manually maintaining the level of a radar antenna mounted on a stern pole affixed to the deck or transom of a vessel providing a platform pivotably mounted to a distal end of the pole and oriented to rotate about an axis substantially parallel to the centerline of the vessel. A controller at the lower end of the pole proximal to the cockpit permits manual adjustment of the horizontal angle of the radar antenna to maintain level due to heeling of the boat. The controller utilizes a first plate secured to the pole having a series of detent positions angularly spaced around and equidistant from a center point and a second plate rotatably secured at the center point. A grip handle projecting from the front surface of the second plate permits rotation of the plate when a cooperatively aligned release handle is grasped to withdraw one or more pins extending through holes in the second plate engage the detent positions. A pair of cable or rod linkages transmit rotation of the second plate to the antenna mounting platform. | 11-03-2011 |
| 20110279336 | Modular VLF/LF And HF Buoyant Cable Antenna And Method - A buoyant cable antenna system includes an HF antenna section connected to an outboard end of a VLF/LF antenna. With respect to the HF antenna, the VLF/LF appears to be a standard coaxial cable so that the HF antenna can be configured as desired for HF antenna operation. The VLF/LF antenna is comprised of a segment of coaxial cable. The inboard end of the braided outer conductor of the segment of coaxial cable is connected to ground through a capacitor so that the VLF/LF signals are effectively isolated from ground. In this way, VLF/LF currents are induced on the outer braided conductor of the segment of coaxial cable to thereby operate as the VLF/LF antenna. | 11-17-2011 |
| 20120274520 | Triaxial Positioner for an Antenna - A positioner for an antenna intended to be placed in a given or restricted volume comprises: a first axis Aα ensuring the movement of the antenna in azimuth, a third axis Aγ ensuring the movement of the antenna in elevation, said third axis Aγ being orthogonal and coplanar to the first axis Aα, and a second axis of rotation Aβ or cross-elevation axis positioned so as to intersect said first axis Aα and said third axis Aγ at one and the same virtual point O, said virtual point O of intersection of the three axes Aα, Aβ, Aγ constituting the pivot point of the movements of said antenna mounted on the positioner. | 11-01-2012 |
| 20140159966 | PIVOTING UNDERWATER RFID ANTENNA ASSEMBLY - An underwater antenna assembly (or array thereof) suitable for subsurface RFID tag interrogation in flowing water such as a river. In preferred embodiments, the antenna interrogates RFID tags implanted in aquatic species. The antenna resides in an elongate antenna housing whose cross-sectional shape is preferably a hydrodynamic teardrop shape. A first end of the housing is linked to a pivoting mechanism such that when the pivoting mechanism is held substantially stationary with respect to the water flow, the second end of the housing is free to rotate generally about the first end in a substantially vertical plane parallel to the water flow direction. The length of the antenna housing is advantageously selected to enable the antenna to monitor for signals across substantially the entire water depth. | 06-12-2014 |
| 20140159967 | BASAL-PIVOTING UNDERWATER RFID ANTENNA ASSEMBLY - An underwater basal-pivoting antenna assembly (or array thereof) suitable for subsurface RFID tag interrogation in flowing water such as a river. In preferred embodiments, the antenna interrogates RFID tags implanted in aquatic species. The antenna resides in an elongate antenna housing whose cross-sectional shape is preferably a hydrodynamic teardrop shape. When the assembly is deployed in water with a lower end thereof anchored below an upper end, the lower end of the housing is linked to a pivot/swivel mechanism such that when the pivot/swivel mechanism is held substantially stationary with respect to the water flow, the upper end of the housing is free to rotate generally about the first end, including in a substantially vertical plane parallel to the water flow direction. The length of the antenna housing is advantageously selected to enable the antenna to monitor for signals across substantially the entire water depth. | 06-12-2014 |
| 20140292592 | ANNULAR VEHICLE WITH DIPOLE ANTENNA - An annular vehicle having a body which defines a body axis and appears substantially annular when viewed along the body axis. The interior of the annulus defines a duct which is open at both ends. The vehicle includes an electric field (EF) coupled dipole antenna arrangement for electro-magnetic communications, which includes at least one dipole antenna. The vehicle is used as a node in an underwater communications system for communicating with other node(s) using their EF coupled dipole antenna arrangements. The electric field coupled dipole antenna arrangement can provide communications with lower latency than systems employing acoustic communications. The annular body provides good separation for electrodes of the EF coupled dipole antenna arrangement disposed around the body. | 10-02-2014 |
| 20140306852 | TOP-PIVOTING UNDERWATER RFID ANTENNA ASSEMBLY - An underwater top-pivoting antenna assembly (or array thereof) suitable for subsurface RFID tag interrogation in flowing water such as a river. In preferred embodiments, the antenna interrogates RFID tags implanted in aquatic species. The antenna resides in an elongate antenna housing whose cross-sectional shape is preferably a symmetric hydrodynamic teardrop shape. When the assembly is deployed in water with an upper end thereof suspended above a lower end, the upper end of the housing is linked to a pivot/swivel mechanism such that when the pivot/swivel mechanism is held substantially stationary with respect to the water flow, the lower end of the housing is free to rotate generally about the first end, including in a substantially vertical plane parallel to the water flow direction. The length of the antenna housing is advantageously selected to enable the antenna to monitor for signals across substantially the entire water depth. | 10-16-2014 |
| 20150318606 | ANTENNA FOR A SUBMARINE - An antenna for submarines comprises a base member extending along a main direction of extension between its bottom end, which is fixable to a structure of a submarine, and its top end, at least one movable stem, juxtaposed with the base member and extending along the main direction of extension between its bottom end and its top end, electrical connection means between the stem and the base member and movement means by which the stem is moved relative to the base member along the main direction of extension between a lowered position and a raised position. The connection means comprise a wire-shaped element extending between two end portions connected to the stem and to the base member, respectively, where at least the end portion connected to the stem is equipped with an underwater connector. | 11-05-2015 |
| 343710000 | Watercraft part of active antenna or vice versa | 1 |
| 20120212379 | BROADBAND HF ANTENNA FULLY INTEGRATED ON A NAVAL SHIP - There is disclosed a broadband HF antenna, which is fully integrated on a naval ship. This antenna enables to transmit and/or receive radio-frequency waves from a naval ship. The antenna comprises a radiating element and an exciting element. The exciting element excites the radiating element when fed with current. The radiating element is a structural element of the ship itself. Application: shipbuilding, naval antennas | 08-23-2012 |
