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Match Document Document Title
8994589 Orientation and localization system  
An orientation and localization system is provided with spatial filtering capabilities that combines time polarization and space diversity to detect the direct lines of sight (LOS) and to deliver...
8933840 Control method of wireless communication system, wireless communication system, wireless communication apparatus, and adjustment method of array weight vector  
To suppress adverse effects caused by side lobes of an antenna array when an AWV to be used for communication is determined based on a transmission/reception result of a training signal. A first...
8648749 Estimation of multiple angles of arrival of signals received by an array of antenna elements  
A computer estimates multiple angles of arrival of a target signal received by an array of commutated antenna elements. In one aspect, samples of a received target signal obtained from an array of...
8581783 Metamaterial-based direction-finding antenna systems  
Method embodiments are disclosed to determine arrival directions of electromagnetic signals that have a known signal frequency and a known guided signal wavelength. These methods are realized with...
8508409 Control method of wireless communication system, wireless communication system, adjustment method of array weight vector, and wireless communication device  
To suppress an adverse effect caused by side lobes of an antenna array when determining an AWV to be used in communication. A first communication device transmits/receives a training signal while...
8402636 Method of manufacturing ground-burial type solid insulated transformer  
A manufacturing method of ground-buried-type solid insulation transformer includes producing a coil form into which an inner window is formed; winding a low voltage coil and a high voltage coil on...
8260324 Establishing wireless links via orientation  
A system for establishing a wireless link from a wireless communication device (WCD) to at least one target device. The process of both identifying the target device and establishing a link to...
8199053 Three dimensional RF search system  
An RF signal detection process by incorporating direction detection of the RF signal along with energy detection to arrive at a signal of interest (SOI). The SOI is identified by matching...
8077088 Method for single satellite geolocation of emitters using an ambiguous interferometer array  
A method of locating a terrestrial emitter of electromagnetic radiation in the midst of a plurality of emitters in a satellite in orbit about the earth which utilizes a location estimation and...
7663549 Incoming direction estimation apparatus  
An incoming direction estimation apparatus estimates an incoming direction of a radar wave using three or more sensors or antennas simultaneously. An arithmetic expression for estimating an...
7642959 Method and apparatus for processing satellite signals at a satellite positioning system receiver  
Method and apparatus for processing satellite signals in an SPS receiver is described. In one example, the satellite signals are correlated against pseudorandom reference codes to produce...
7495611 Method for determining signal direction using artificial doppler shifts  
A method for determining the direction of an incoming signal is provided in which each of a plurality of receivers arranged in a linear array is sampled in sequence to simulate a single receiver...
7436359 Method for single satellite geolocation of emitters using an ambiguous interferometer array  
A method of locating a terrestrial emitter of electromagnetic radiation in the midst of a plurality of emitters in a satellite in orbit about the earth which utilizes a location estimation and...
7427953 Wireless communication apparatus for determining direction of arrival information to form a three-dimensional beam used by a transceiver  
A wireless communication method and antenna system for determining the direction of arrival (DOA) of received signals in azimuth and elevation, (i.e., in three dimensions), to form a beam for...
7428450 Method and system for using a database and GPS position data to generate bearing data  
A method and system for providing a bearing from a vehicle to a transmitting station are described. The method includes accessing a database to obtain transmitter position information for the...
7233288 Receiver for a position-finding system with improved sensitivity  
A receiver (1) of a position-finding system comprises a calculation unit (6, 7, 8) for calculation of a statistical value (Λ) on the basis of a received signal, and a detector unit (9) for...
7224311 System and method for visualization of attitude and attitude/position dependent data  
A system and method for visualization of attitude dependent data is disclosed. An attitude sphere is defined around an object of interest located at the center. Grid points are defined on the...
7116272 Direction and distance finder for locating distress signals  
The present invention relates to a system and method for locating the direction and distance to a RF signal source from an avalanche beacon to find an avalanche victim. The system and method...
7106251 Receiver in a position-finding system and method for position-finding with increased sensitivity  
The invention relates to a receiver in a position-finding system, having a calculation unit for calculating a statistical value from a received signal, and a detector unit for comparing the...
7084812 Method and device for tracking the directions-of-arrival of radio waves  
L overlapping forward subarrays with {overscore (q)}(≧q) antenna elements are formed with, where q is the number of desired signals, a cyclic correlation matrix is formed from the cyclic...
6992622 Wireless communication method and antenna system for determining direction of arrival information to form a three-dimensional beam used by a transceiver  
A wireless communication method and antenna system for determining the direction of arrival (DOA) of received signals in azimuth and elevation, (i.e., in three dimensions), to form a beam for...
6933889 Direction and distance finder  
The present invention relates to a system and method for locating the direction and distance to a RF signal source, primarily for search and rescue. The system and method includes a RF signal...
6922170 Methods and apparatus for determining a direction of arrival in a wireless communication system  
Methods and apparatus are provided for determining a direction of arrival (DOA) (46) of a Radio Frequency (RF) signal (32) transmitted by a remote unit (22) in a wireless communication system...
H002109 Passive microwave direction finding with monobit fourier transformation receiver and matrix coupled antenna  
A passive instantaneous microwave signal frequency identifying and angle of arrival identifying system employing a beam steering multiple element antenna coupled through a Butler matrix to a...
6633813 Navigation system for supplementary representation of directional information  
The invention relates to a navigation system for a land vehicle having a measuring arrangement for supplying position, direction and/or distance data, having a data source arrangement for...
6542120 Solar powered GPS device  
A solar powered GPS device for receiving GPS signals transmitted from GPS satellites in order to determine a time of day. The solar powered GPS device includes a housing that has an interior. A...
6292137 Direction indicating compasses  
A portable compass comprises a body (18) and a compass needle (22) mounted on the body for indicating North/South. A bearing signal representing a required bearing is received, for example from a...
6202035 System for determining time or direction for prayer  
The present invention relates to a device for determining a time and/or direction for prayer, comprising: receiving means for receiving signals indicative of a position on or above the earth;...
6185157 Timepiece including a GPS receiver, arranged in particular, for indicating the direction of a "target" location  
A timepiece (7) including hands (4, 5), direction determining means (10, 11, 14, 12) including data input means (14) arranged for inputting the geographical coordinates of a "target" location in...
6097315 Multi-indicator aviation pilot collision alert  
A collision alert system employs combined binaural acoustic effects combined with optical indicators to direct the attention of a person in a desired direction. The pilot utilizes normal delay and...
6069585 Personal direction finding apparatus  
PCT No. PCT/FR97/00841 Sec. 371 Date Nov. 12, 1998 Sec. 102(e) Date Nov. 12, 1998 PCT Filed May 13, 1997 PCT Pub. No. WO97/43599 PCT Pub. Date Nov. 20, 1997A personal direction finding apparatus...
5861846 Aviation pilot collision alert  
A collision alert system employs binaural acoustic effects to direct the attention of a person in a desired direction. In one embodiment, the angular location of a possible collision risk is...
5831260 Hybrid motion tracker  
A hybrid motion tracker captures the motion of a person. Magnetic field sensors and optical sources are placed on a person, each located on different limbs. A fixed transmitter emits...
5652578 Home base directional indicator  
A method and apparatus for campers, hikers, and hunters enjoying the out-of-doors and nature in the wilderness is disclosed. In the preferred embodiment of the invention the transmitter is adapted...
5587718 Method for discovering and designating air targets  
An automatic apparatus and relevant method for discovering and designating air targets constituted by a transmitter assembly which can be associated with a radar and connected via radio with a...
5572217 Compass  
A compass comprising a signal receiver having an antenna unit that can be fixedly mounted on an object on which the compass is to be used, the antenna unit permitting information relating to the...
5568154 System and a method for the instantaneous determination of the frequencies and angles of arrival of simultaneously incoming RF signals  
A system for the instantaneous determination of the frequencies and angles of arrival of a plurality of simultaneously incoming signals. The system includes beam network matrix for receiving the...
5543802 Position/navigation device and method  
A position/navigation device (10) and method is disclosed wherein a waypoint apparatus (11-14, 18, 43) sequentially designates and stores a continuous ordered sequence of n waypoints corresponding...
5534872 Portable radio signal detecting system  
In a radio signal detecting system, an antenna is rotatably mounted on a wrist watch type case, and this antenna is manually rotated to receive a radio signal reflected from a target to be...
5406291 Passive emitter location system  
A passive emitter location system is capable of performing emitter location autonomously from a single airborne observation platform and includes a bearing measurement system, a system for...
5307072 Non-concentricity compensation in position and orientation measurement systems  
A method and apparatus for determining the position and orientation of a remote object relative to a reference coordinate frame includes a source having a plurality of field-generating elements...
5305010 Crystal oscillator synchronized digital very high frequency omni-range (VOR) instrumentation unit  
A very high frequency omni-range (VOR) receiver for use in aircraft radio-navigation, which provides an indication of course deviation that is substantially immune to effects such as reflections...
5173709 Electronic direction finder  
An electronic direction finder (10) includes a navigation receiver (28) and a compass (32) to generate a bearing signal that indicates that direction of a desired destination. The bearing signal...
5111210 Collision avoidance radar detector system  
A microwave signal detector system provides a visual indication of the relative bearing of a remote source of microwave energy. An antenna for receiving said microwave energy includes a plurality...
5053784 Apparatus and method for measuring the azimuth and elevation of an object  
The present invention concerns an apparatus and method for measuring the azimuth and elevation of an object. The apparatus includes a platform; a base plate arranged to the construction of the...
4983983 Semi-automatic direction finding set  
A receiver selects and amplitude demodulates an RF signal from one of a pality of directional antennas. The demodulated signal is then delayed to put it in time synchronism with the same signal...
4862180 Discrete source location by adaptive antenna techniques  
A signal processor for radar systems having phased array antenna structures. The processor determines the angle of arrival of the signal from a discrete energy source. The separate elements or...
4754281 Direction finder operating according to the Watson-Watt principle  
In a direction finder operating according to the Watson-Watt principle and having two separate receivers (3, 4) of the same type and of simple construction for the signals of the two crossed...
4636796 Radio direction finding system  
A radio direction finding system comprises a receiving portion for receiving a radio signal and a direction determining portion coupled to the receiving portion for developing a direction signal...
4486757 Automatic direction finder  
This is an automatic direction finder comprising a separately located first and second sensor means for receiving a first and second representation signal from a remote electromagnetic signal...

Matches 1 - 50 out of 106 1 2 3 >