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WO/2000/049425A1 |
The invention relates to a system and a method for determining the position of a transmitting/receiving device (13) positioned anywhere in a space in relation to at least two other transmitting/receiving devices (11,12) which occupy a de...
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WO/2000/046985A1 |
A tracking apparatus including a sensor tracker and a control tracker (60). The sensor tracker is connected to a sensor which senses a scene having at least one object therein, the sensor tracker provides sensor movement instructions to ...
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WO/2000/040991A1 |
A wireless location system receives signals transmitted by wireless telephone at a plurality of signal collection sites (scs 10A, SCS 10B, SCS 10C). To improve the accuracy of the location information, the system synthesizes greater band...
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WO/2000/039601A1 |
An algorithmic technique which allows antenna arrays (10) that are used for interferometric direction finding to have elements (12, 14) with arbitrary orientation. This technique allows the phase errors associated with non-identical elem...
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WO/2000/038027A1 |
Light detection apparatus for determining the location of a body within a predetermined area comprises at least two light detecting devices (10, 10', 10''), supported on the body and capable of receiving light at points which are spaced ...
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WO/2000/037962A1 |
Acoustic/electronic sound reception system consisting of a number of microphones located in a definite configuration (7), preamplifiers (8), multiplexer (9), band-pass filters (10, 14), time delay filter (11), comparators (12, 15) and mi...
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WO/2000/038414A1 |
A video conferencing system and method which automatically determines the appropriate preset camera parameters corresponding to participants participating in the video conference. A camera zooms out or pans the video conference space and...
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WO/2000/036432A2 |
A target detection system includes a sensor (22) that receives electromagnetic signals and provides electrical signals in response thereto. A non-uniformity correction circuit (28, 38, 52) corrects non-uniformities in the sensor (22) bas...
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WO/2000/033611A1 |
A personal three dimensional thermal location to three dimensional sound imaging headset system has one speaker (28) mounted (28a) with dispersion (40) connected to a surface mount electronics circuit board (34) containing the operationa...
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WO/2000/033419A1 |
An antenna system that includes a plurality of mounting plates arranged in a generally circular configuration. Each mounting plate has an inside surface and an outside surface. Each antenna element has a high frequency end and a low freq...
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WO/2000/028344A1 |
An antenna and system for determining two-demensional angle-of-arrival includes circular array interferometers (Figure 10) for azimuth, linear interferometers (Figure 13) for elevation, and a mast for positioning the interferometers in a...
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WO/2000/028740A2 |
In a video conferencing system, camera position means (10) are used to point the camera to a speaking person. To find the correct direction for the camera, a system is required that determines the position from which the sound is transmi...
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WO/2000/028345A1 |
A device for localising a transmitter unit (2) comprises a base unit (1) and at least one such transmitter unit (2). The transmitter unit comprises means (4), which enable attachment of the transmitter unit to an object (3), and a transm...
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WO/2000/026688A1 |
Radio-signal direction finding is performed in the following manner. There is a plurality of antennas (A) at different locations. A switchable antenna coupler (SAC) switches (SW) from one antenna (A[i]) being coupled to a radio-signal in...
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WO/2000/025147A2 |
The extraction of phase information for radio frequency (RF) direction of arrival is attained by pre-detect sensing and quantization of differential phase of a RF wave impinging on two or more antenna apertures, based on sensing and enco...
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WO/2000/023814A1 |
A system and method adapted for use with a focal plane array of electromagnetic energy detectors to receive first and second frames of image data from electromagnetic energy received from at least a portion of a scene. The first frame is...
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WO/2000/023818A1 |
An image processing system and method. In accordance with the inventive method, adapted for use in an illustrative image processing application, a first composite input signal is provided based on plurality of data values output from a s...
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WO/2000/022452A1 |
The invention described here concerns the use of GPS (Global Positioning System) interferometry, or any similar satellite constellation, to estimate the attitude of a vehicle, and is particularly suited for LEO (Low Earth Orbit) satellit...
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WO/2000/022680A1 |
The widths of resistor regions constituting a main conductive layer increase from one end toward the other, and the resistivities of the resistor regions are substantially the same. When the sensor is so positioned that electric charges ...
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WO/2000/022381A1 |
A combined earth/star system (1) for tri-axial determination of the position of satellites in space, comprising separate apertures with various directions of observation and joint image detectors (4) for the earth and star sensor. A join...
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WO/2000/020880A2 |
A projectile tracking system (2) for acquiring and precisely tracking a projectile in flight in order to reveal the source from which the projectile was fired. The system (2) is particularly suited for tracking a bullet fired by a sniper...
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WO/2000/020892A1 |
Aircraft position determination system includes a transmitter to transmit a signal (10), and two receivers (22, 24) to receive the transmitted signal reflected from the terrain below the aircraft, and a phase comparison apparatus (96) op...
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WO/2000/019230A1 |
An efficient monopulse direction finding technique is based on the best algorithm in the least squares sense for a given antenna configuration. The algorithm simultaneously uses complex voltage data from all of the antenna ports, i.e., a...
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WO/2000/014587A1 |
Scanning apparatus which may be used in a real-time passive millimetre wavelength imaging system or in other radiometry systems. The apparatus scans input radiation from a scene and output radiation is transmitted to a receiver system, f...
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WO1999060788A9 |
A system, such as a video conferencing system, is provided which includes an image pickup device (14), an audio pickup device (12), and an audio source locator (10). The image pickup device (14) generates image signals representative of ...
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WO/2000/007134A1 |
The invention is a method and apparatus for generating navigation data. The method comprises the steps of (a) determining the position vector for one or more observation points in an earth-fixed reference frame and (b) determining either...
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WO/2000/003264A1 |
A signal processing method particularly for use in object detection systems which allows a sensed target signal to be 'held' once it has raised above a detection-threshold. The method involves reducing the detection-threshold values of t...
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WO/1999/066341A1 |
A method and a system are disclosed which utilize the polarization properties of electromagnetic fields for a determination of the direction to the source of the electromagnetic radiation. The method and system primarily use a particular...
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WO/1999/064886A1 |
An acoustic method and apparatus for measuring the horizontal surface location and depth of any type of underground pipe or conduit, including nonmetallic or nonconductive pipe, such as sewer, gas and water pipes, which cannot be detecte...
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WO/1999/062246A1 |
The present invention relates to an image sensor with built-in exposure control. It consists of a circuit solution comprising a detector matrix and a processor, in which the exposure time for individual detector elements or arrays of det...
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WO/1999/057493A1 |
The invention relates to a thermohydraulic sun-tracking device for an element for capturing solar energy (1). Said element can pivot about at least one axis of rotation (5). The sun-tracking device has two absorber units (7a, 7b) which f...
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WO/1999/057574A1 |
The invention provides a method and apparatus for determining the direction of a signal such as for example a received radio signal in a cellular mobile communication system. At lest two antenna arrays (10, 12) are connected to associate...
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WO/1999/053336A1 |
A system for wave source direction finding using sensor arrays (1), including an approximate direction finder (21), a precise direction finder (22), and a measurement qualification unit (5) for evaluating the validity of the precise dire...
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WO/1999/052323A1 |
A folded Sagnac fiber optic acoustic sensor array (700) operates in a manner similar to a Sagnac interferometer but uses a common delay path to reduce distributed pickup in downlead fibers. The fiber optic acoustic sensor array is used t...
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WO/1999/050684A1 |
The invention concerns a method for sorting an acoustic signal (S) or a spectral line (F) of maximal energy E, transmitted by a 'target', capable of being immersed in the sea, among a multitude of acoustic signals coming from particular ...
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WO/1999/042972A1 |
A method and apparatus for determining the position of one or more locomotives (102, 104) in a train consist. The receiver (108) receives a signal such as a reference signal from a global system determines a coordinate position for that ...
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WO/1999/041804A1 |
An apparatus and method for determining the angles-of-arrival (309 and 411) and the polarization states of incoming RF signals of unknown polarization (306) including an array of broad gain, substantially identical, RF sensing antenna el...
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WO/1999/034234A1 |
According to the phase difference between the two waves received by two receiving antennas (6(R1, R2)), the signal processor (10) measures the bearing of the target. A plurality of transmitting antennas (5) whose transmission beam direct...
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WO/1999/034632A1 |
A method for positioning an instrument (1, 2, 3) transmitting a signal on an area containing communicational base stations, whereby in a position-finding situation the instrument is intercommunicating with some nearby base station and fr...
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WO/1999/031754A2 |
A linear interferometer antenna for making azimuth angle measurements and elevation angle measurements of an identified target. The antenna includes six radiating elements which receive signals sent from the target, a beam forming networ...
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WO/1999/030508A1 |
An integrated controller for controlling both pan and vergent movements of a stereoscopic vision system, having two cameras, is described. The controller determines motion and direction based on a provided retinal error. Each of the came...
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WO/1999/030444A1 |
A method of processing an electromagnetic signal received and contained completely within the bounds of a two-dimensional signal detection array, is comprised of (a) determining a position of the signal in a large window on the detector ...
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WO/1999/028759A1 |
A system and method for imaging target detection includes scanning a target area to produce an image of the target area and discriminating a target by identifying image pixels of similar intensity levels, grouping contiguous pixels with ...
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WO/1999/026167A2 |
The monotone and constant trajectories which are searched for are made coincidental with the storable code signal shapes, said shapes also being reconfigurable, in a translation invariant manner. According to the inventive method and dev...
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WO/1999/026079A1 |
Disclosed is a signal processor for identifying a target contained in an image in the presence of interference, said signal processor characterized by: a target model for processing target feature estimates; a detection processor for pro...
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WO/1999/023506A1 |
The present invention is in general related to automatic alignment in multi-sensor target tracking. The process of the invention repeatedly generates estimates for sensor bias errors (b) by minimising a function, given on one hand by the...
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WO/1999/019741A1 |
The invention relates to a fire detector for detecting stationary hot objects, comprising an infrared temperature sensor with an evaluating electronics unit which indicates fluctuations in temperature, an optical system which images obje...
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WO/1999/017131A2 |
A dual radio frequency interferometer aided by laser rangefinder and terrain database system utilizes two linear rays of RFI sensors to determine the position of a source of RF energy. The dual RFI system is very attractive in that it is...
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WO/1999/017131A1 |
A dual radio frequency interferometer aided by laser rangefinder and terrain database system utilizes two linear rays of RFI sensors to determine the position of a source of RF energy. The dual RFI system is very attractive in that it is...
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WO/1999/013351A1 |
A system and method for target reacquisition and aimpoint selection in missile trackers. Distance classifier correlation filters (DCCFs) memorize the target's signature on the first frame (step 52), to be used in a subsequent confidence ...
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