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Totalforsvarets Forskningsinstitut Patents
Assignee:
Totalforsvarets Forskningsinstitut
Address:
Stockholm, SE
No. of patents:
18
Patents:




Patent Number Title Of Patent Date Issued
7310059 Transparent pane with radar-reflecting properties December 18, 2007
The panes (1) of a naval vessel or military vehicle are often coated with a radar-reflecting layer (20) for reduction of the radar signature of the vessel/vehicle. At the same time this layer increases an enemy's possibility of recognizing the vessel in passive IR reconnaissance since
7142148 Towed decoy and method of improving the same November 28, 2006
A towed decoy arrangement for a craft with a decoy towed by the craft. Threatening signals are received by the craft and a noise signal is generated which is converted up to a frequency which is rapidly attenuated in air and sent to the towed decoy. In the decoy, the received signal
7009392 Method of estimating target signals by a dynamical fluxgate sensor March 7, 2006
A method of estimating target signals (dc or low frequency signals) by a dynamical fluxgate sensor and a low-power fluxgate magnetometer operating according to the method. The sensor is pre-biased with a periodic bias signal in the form of a superposition of a square wave and a triangula
6992615 Method for verifying dynamically a multiple beam antenna placed on a vehicle January 31, 2006
A method for dynamically verifying a multiple beam antenna placed on a craft including a device for determining the position and course of the craft and a transmitter that via the antenna can emit pulsed signals. At least two transponders are placed in different directions round a me
6954404 Method for determining position and velocity of targets from signals scattered by the targets October 11, 2005
A method for determining position and velocity of targets from signals scattered by the targets using a first and a second station each including a transmitter/receiver of electromagnetic or acoustic signals. First, mono-static measurements are carried out from each station, and also a
6900695 Reconfigurable broadband active power splitter ditto power combiner and ditto bidirectional powe May 31, 2005
A distribution network which can be an active power splitter or an active power combiner or alternatingly power splitter and such a power combiner. The power splitter consists of two distributed amplifiers with a common input and one output each, and the power combiner consists of two
6850186 System for determining position and velocity of targets from signals scattered by the targets February 1, 2005
The present invention relates to a system for using signals scattered by targets to determine position and velocity for each of the targets and comprises a set of transmitters and receivers of electromagnetic or acoustic signals, said transmitters and receivers dispersed to known poi
6700525 Radiation absorber March 2, 2004
A radiation absorber which is placed on the irradiated side of a conductive surface (L) whose surface resistance <0.1 .OMEGA./square. The radiation absorber comprises three layers, which from said conductive surface outwards consist of a first dielectric (B1), a resistive layer (C1) a
6648479 Screening device November 18, 2003
A device for screening interfering radiation from a radiation source from reaching a radiation receiver. The device includes a sensing device determining the position and orientation of the radiation receiver relative to the radiation source; a matrix, positioned in front of the radi
6556096 Artificial line April 29, 2003
An artificial line, particularly an artificial electric line, and specifically an artificial line having a constant group delay in a wide frequency range (octave bandwidths). The artificial line comprises two identical inductors of the magnitude L connected in series and having a mut
6518914 Synthetic aperture radar system capable of detecting moving targets February 11, 2003
A Synthetic Aperture Radar (SAR) system and method capable of detecting moving targets which includes a platform that moves over a number of objects, such as a ground surface, and supports radar equipment which reproduces the objects by means of a fast backprojection synthetic apertu
6476770 Antenna carrier for connection to an air vehicle November 5, 2002
Antenna carrier comprising antenna elements to be connected to an air vehicle, said antenna carrier projecting from a mounting area forwards or rearwards seen in the travelling direction of the air vehicle. The antenna carrier comprises an elongate front part (3), which comprises a flexu
6466156 Method of detecting objects that change with time by means of a SAR radar October 15, 2002
A method of detecting, by means of a SAR radar, objects that change with time within a ground area. The SAR radar is supported by a platform in essentially rectilinear motion during a synthetic aperture and the ground area is reproduced at least twice in succession from different synthet
6441772 SAR radar system August 27, 2002
The present invention relates to a radar system which comprises a platform which moves over a number of objects. The number of objects can be very large and the objects can appear in the form of, for example, a ground surface. The platform supports radar equipment which reproduces the
6402045 Method of generating a liquid mist June 11, 2002
A method for generating a liquid mist to produce phantom targets or camouflage. A liquid is launched by a water cannon (1) at high velocity and initially the liquid is held together in a liquid packet (2) in order to decompose after a certain distance, under the effect of the air res
6384766 Method to generate a three-dimensional image of a ground area using a SAR radar May 7, 2002
The present invention relates to a method for generating a three-dimensional image of a ground area by means of a radar with a synthetic aperture, a SAR radar, which is supported by a platform moving in an essentially rectilinear manner. The method is characterized by the following s
6312538 Chemical compound suitable for use as an explosive, intermediate and method for preparing the co November 6, 2001
A new compound, 1,1-diamino-2,2-dinitroethylene suitable for use as an explosive, as well as an intermediate for preparing the compound consisting of a heterocyclic 5- or 6-ring of the general formula ##STR1##wherein n=at least 1. The compound is prepared by nitrating a heterocyclic
6291711 Guanylurea dinitramide, an explosive, propellant, rocket motor charge and gas generator September 18, 2001
A new chemical compound suitable for use as an explosive consists of guanylurea dinitramide having the formula ##STR1##which is also suitable as a main essential component for explosives, especially propellants; a pressed rocket motor charge; and a gas-generating component in gas gen

 
 
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