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| Number | Title | Issue Date |
| 7859453 | Multiple radio device having adaptable mode navigation radio Methods and Apparatuses are provided for selectively specifying a mode of operation of a navigation radio within a device based, at least in part, on at least one operative condition associated with at least one other radio within the device. ... | 12/28/2010 |
| 7791533 | Positioning device, electronic instrument, and filter passband changing method An RF receiver circuit section extracts a signal including the frequency band of a GPS satellite signal by causing a signal received from a GPS satellite to pass through a filter section that includes a plurality of filters having different passbands, and outputs th... | 09/07/2010 |
| 7714778 | Wireless location gateway and applications therefor A system for wirelessly locating mobile station/units (MS) and using resulting location determinations for providing a product or service is disclosed. The system is useful for routing an MS user to a plurality of desired locations, alerting an MS user to a nearby d... | 05/11/2010 |
| 7705774 | Method of providing celestial information and a mobile terminal having a function of providing the celestial information A mobile terminal and a method of outputting celestial information using the terminal are disclosed. The mobile terminal includes a memory unit storing celestial information, an information acquiring unit acquiring terminal position information, terminal direction i... | 04/27/2010 |
| 7679550 | System and method for model-base compression of GPS ephemeris A method for propagating ephemeris data for a satellite in Earth orbit is provided. The method includes the steps of receiving orbital positional data for a first time period of a satellite's Earth orbit, propagating orbital positional data for the satellite's Earth... | 03/16/2010 |
| 7667640 | Determining a geolocation solution of an emitter on earth using satellite signals Embodiments provide systems and methods for determining the geolocation of an emitter on earth. A solution is obtained from two TDOA measurements that need not be acquired at the same time. A solution is obtained from a TDOA measurement and an FDOA measurement that ... | 02/23/2010 |
| 7652621 | Method for automatically selecting radionavigation beacons A method for selecting radionavigation beacons using an onboard navigation system aboard an aircraft from a list of eligible beacons, includes a step for formulating a criterion for selecting a pair of beacons (BX, BY) from among beacons formin... | 01/26/2010 |
| 7595749 | Method and device for relative time and position determination for moving objects based on one-way and two-way measurements In a method for relative time and position determinations for moving objects of a constellation, signals by the objects are isochronously transmitted, with each object transmitting a unique signal for that object. The received signals of each object of the constella... | 09/29/2009 |
| 7592950 | Method and apparatus for combining measurements and determining clock offsets between different satellite positioning systems Method and apparatus for processing satellite signals from a first satellite navigation system and a second satellite navigation system is described. In one example, at least one first pseudorange between a satellite signal receiver and at least one satellite of the... | 09/22/2009 |
| 7535413 | Reception of signals in a device comprising a transmitter A device 1 comprises a communication system transmitter 30 for transmitting signals via a radio interface in a first frequency band. The device further comprises a receiver 10 for receiving signals via a radio interface in a second frequency ban... | 05/19/2009 |
| 7489269 | Method and apparatus for combining measurements and determining clock offsets between different global navigation satellite systems Method and apparatus for processing satellite signals from a first satellite navigation system and a second satellite navigation system is described. In one example, at least one first pseudorange between a satellite signal receiver and at least one satellite of the... | 02/10/2009 |
| 7432852 | Method of synchronizing base stations of a terrestrial cellular communication network The present invention relates to a method of synchronizing base stations of a terrestrial cellular communication system using a satellite component. ... | 10/07/2008 |
| 7429948 | Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes In a combined GPS/altimeter device, the calibration and hence the accuracy of barometric altimeter measurements are enhanced with the aid of derived altitudes from a GPS. The device determines the need for calibration and perform the subsequent computations necessar... | 09/30/2008 |
| 7421243 | Method for playback of stored or broadcast content based on predicted location and/or attributes An apparatus includes a storage section that stores stored content, a content receiving section that receives content, a received content storage section that stores received content, and a playback section that plays back the stored content or the received content.... | 09/02/2008 |
| 7421342 | Network-assisted global positioning systems, methods and terminals including doppler shift and code phase estimates A mobile terminal is configured to receive wireless communications including GPS data from a terrestrial and/or satellite wireless network, and to perform pseudo-range measurements using the GPS data that is received. The mobile terminal may be configured to perform... | 09/02/2008 |
| 7417537 | Military wireless communication terminal A military wireless communication terminal includes a global positioning system receiver outputting location information of the terminal, a terrestrial magnetism sensor for sensing azimuth of the terminal, a memory in which map information of an operating area is st... | 08/26/2008 |
| 7412327 | Providing guiding service by means of a wireless terminal The invention relates to a guiding system for wireless terminals. In the system, position-specific information of route points of the route on which a first wireless terminal travels is determined and it is sent to a guiding server. Supplementary data used for guidi... | 08/12/2008 |
| 7411512 | Tracking the geographic location of an animal Systems and techniques for tracking the geographic location. In one aspect, a method includes receiving timed magnetic field information descriptive of a magnetic field to which a magnetometer was subject, the magnetic field information having been collected while t... | 08/12/2008 |
| 7409188 | Method and apparatus for lowering power use by a ranging receiver Equipment and a method by which power consumed by a ranging receiver (12) is reduced without appreciably impairing performance of the GPS receiver (12), the method including: a step (21) in which a controller (15) reads sensor signals pro... | 08/05/2008 |
| 7406116 | Method and system for determining user location in a wireless communication network In a wireless communication network, the location of an addressable receiver relative to the locations of a plurality of addressable sources of electromagnetic radiation is found using probabilistic models of the signal strength measured at the addressable receiver.... | 07/29/2008 |
| 7406311 | Method and apparatus for selectively operating satellites in tundra orbits A satellite system provides geosynchronous satellites in elliptical orbits in respective elliptical orbital planes separated by 120 degrees. The satellites traverse a common figure-eight ground track comprising northern and southern loops. The satellites are control... | 07/29/2008 |
| 7403120 | Reverse infrastructure location system and method Methods and apparatus are provided to locate a terminal within a workspace. Radio frequency identification (RFID) tags are provided in known locations, preferably in, on or adjacent the light fixtures or other workspace infrastructure. The terminal comprises an RFID... | 07/22/2008 |
| 7398152 | Data-providing service system A data-providing service system of the present invention provides a user with data of an apparatus having a navigation function which outputs current position information. The data-providing service system provides a content provider such as restaurant, amusement, t... | 07/08/2008 |
| 7389181 | Apparatus and method for producing video drive-by data corresponding to a geographic location A system and method of providing video drive-by data is provided to enable a street level view of a neighborhood surrounding a selected geographic location. The system includes a video and data server farm incorporation at least one video storage server that stores ... | 06/17/2008 |
| 7379729 | Locator system A locator system is disclosed. An e911-enabled wireless network including a switching center is configured receive a request to generate location information regarding a remote mobile station, and send said location information to a subscriber only after obtaining c... | 05/27/2008 |
| 7376507 | Geophysics-based method of locating a stationary earth object A geophysics-based method for determining the position of a stationary earth object uses the periodic changes in the gravity vector of the earth caused by the sun- and moon-orbits. Because the local gravity field is highly irregular over a global scale, a model of l... | 05/20/2008 |
| 7372399 | Network system for onboard equipment An onboard equipment network system comprises a radar core device, a GPS core device, an echo sounder core device and a sonar core device and display devices which are connected to a network through a hub. Each core device includes a detecting section or a positioni... | 05/13/2008 |
| 7372400 | Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming A navigation system provides a significant level of protection against all forms of interference or jamming to GPS in a cost-effective way. The system employs a network of ground reference stations and Low Earth Orbiting (LEO) satellites in conjunction with GPS. A c... | 05/13/2008 |
| 7369830 | Monolithic GPS RF front end integrated circuit A highly integrated GPS RF Front End which uses a single conversion stage employs an image rejection mixer stage to eliminate the need for an image reject RF bandpass filter. Also a relatively high sample rate A/D is employed which allows a timeless monolitic IF Fil... | 05/06/2008 |
| 7369860 | Data protection for position-dependent services The invention relates to a privacy function check which is efficient in terms of network load, and is carried out by means of a method for requesting the agreement of a user of a mobile radio terminal of a mobile radio network, relating to the transmission of the po... | 05/06/2008 |
| 7366523 | Method and system for providing location-based services A resource request that is originated by a short-range wireless communications device originates a request. A location indicator is added to the resource request that identifies a location of the WCD. The location indicator is based on a location of an access point ... | 04/29/2008 |
| 7366522 | Method and system for location tracking Techniques for location tracking, location utilization, and dissemination and management of location information are disclosed. As a location monitoring system, one embodiment includes at least a plurality of mobile computing devices supported by a wireless network,... | 04/29/2008 |
| 7363043 | Passive GSM-based self-locating device A self locating device that uses GSM signals associated with GSM digital telephone base stations to determine its current location. The device uses GSM common channel signals to determine observed time differences between a local base station and at least two additi... | 04/22/2008 |
| 7362262 | Method and apparatus for providing an integrated communications, navigation and surveillance satellite system An integrated communications, navigation and surveillance system includes a plurality of satellites in communication with one another and broadcasting navigation signals. The satellites are capable of bi-directional communication and of receiving and relaying survei... | 04/22/2008 |
| 7359712 | Method and apparatus for confirming position of a mobile station A method (400) and an apparatus for confirming the position of a mobile station (180). The mobile station (180) may receive a positioning message including information associated with a position of the mobile station. Based on that information, ... | 04/15/2008 |
| 7359713 | Battery consumption optimization for mobile users Systems and methods are disclosed to provide power management for a mobile communication device having a location determination function. The frequency of the location determination function may be adjusted based on whether the mobile communication device is moving ... | 04/15/2008 |
| 7349705 | Wireless remote location system and method A wireless subscriber unit for a tracking and locating system and method is disclosed. The locating system provides positional information of remote locator devices in the form of images viewable by subscribers over a network. ... | 03/25/2008 |
| 7345652 | Antenna system and RF signal interference abatement method Disclosed is an antenna system including a Luneberg Lens having a spherically shaped outer surface and a spherically shaped focal surface spaced from its outer surface with a plurality of patch antenna elements disposed along the focal surface of the Luneberg Lens; ... | 03/18/2008 |
| 7340212 | Method and system for delivery of location-specific data using digital satellite broadcast A method and system for location-specific delivery of digital satellite broadcast data comprising determining a current service location, selecting a satellite radio band based on the determination, monitoring the selected satellite radio band for a data package, an... | 03/04/2008 |
| 7333815 | Power-saving remote locator system and method A server for authenticating subscribers in a tracking and locating system and method is disclosed. The locating system provides positional information of locator devices in the form of pages viewable by subscribers over a network. ... | 02/19/2008 |
