Patents for G01S 1 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (15,825) |
---|
09/24/2003 | EP1346235A2 Method and apparatus for a positioning system and augmentation of gps positioning |
09/24/2003 | EP1346233A1 Method and system for transferring gps data in mobile network |
09/23/2003 | US6625458 GPS assistance data delivery method and system |
09/23/2003 | US6624626 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signal |
09/18/2003 | WO2003077493A1 Method and apparatus for performing signal correlation |
09/18/2003 | WO2003077436A1 System and method for a gps enabled antenna |
09/18/2003 | WO2003075630A2 Position location using gps augmented by tv |
09/18/2003 | US20030176969 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris |
09/18/2003 | US20030176968 Method of and system and apparatus for integrating maintenance vehicle and service personnel tracking information with the remote monitoring of the location, status, utilization and condition of widely geographically dispersed fleets of vehicular construction equip |
09/18/2003 | US20030176204 Method and apparatus for compensating an oscillator in a location-enabled wireless device |
09/18/2003 | US20030174792 Gated time division multiplexed spread spectrum correlator |
09/18/2003 | US20030174305 Measuring device and measuring method for determining distance and/or position |
09/18/2003 | US20030174090 Position determination using portable pseudo-television broadcast transmitters |
09/18/2003 | US20030174088 Adaptive system and method for radar detection |
09/17/2003 | EP1344084A2 Position updating method for a mobile terminal equipped with a positioning receiver |
09/17/2003 | CN1443345A Portable GPS receiver for personal safety system |
09/16/2003 | US6621565 Rotating head optical transmitter for position measurement system |
09/16/2003 | US6621453 Satellite attitude adjustment for GPS initialization |
09/16/2003 | CA2312170C Method and apparatus for measuring displacement of object using gps |
09/11/2003 | US20030169189 Robust system for transmitting and receiving map data |
09/10/2003 | EP1343292A2 System and method for locating an output device |
09/10/2003 | CN1441607A Method and device for determining radio receiving direction in mobile communications network |
09/09/2003 | US6618670 Resolving time ambiguity in GPS using over-determined navigation solution |
09/09/2003 | US6618133 Low cost transmitter with calibration means for use in position measurement systems |
09/09/2003 | US6618017 GPS conformal antenna having a parasitic element |
09/09/2003 | US6618009 Method and apparatus for locating the source of an unknown signal |
09/09/2003 | US6618006 Method for defining the error of reference time and an electronic device |
09/09/2003 | CA2089524C Two-frequency transmitting apparatus with tone-modulation phasing for an instrument landing system |
09/04/2003 | WO2003073629A1 Method and apparatus for compensating an oscillator in a location-enabled wireless device |
09/04/2003 | WO2003073128A1 Lidar system controlled by computer for smoke identification applied, in particular, to early stage forest fire detection |
09/04/2003 | WO2003073121A1 Spherically mounted light source with angle measuring device, tracking system, and method for determining coordinates |
09/04/2003 | WO2003021714A3 An antenna system and rf signal interference/jamming abatement in a terrestrial gps apparatus and method |
09/04/2003 | WO2002031528A3 User tracking application |
09/04/2003 | US20030165186 Multipath processing for GPS receivers |
09/04/2003 | US20030164795 Real time clock for GPS receivers |
09/04/2003 | US20030164769 Distress beacon, process and device for monitoring distress signals, and vehicle on which such a device is installed |
09/03/2003 | EP1340997A2 GPS receiving apparatus and GPS satellite signal receiving method |
09/03/2003 | EP1340996A2 Satellite Navigation Receiver System and Reference Station Network Server |
09/03/2003 | EP1340995A1 Distress beacon, method and device for monitoring distress signals and vehicle including such a device |
09/03/2003 | EP1340096A1 Tag tracking |
09/03/2003 | CN1440509A Method and apparatus for compensating local oscillator frequency error |
09/03/2003 | CN1439983A Absolute accurate time transferrence from server to user by computing delay of network path |
09/03/2003 | CN1439897A Software compensating crystal oscillator |
09/03/2003 | CN1439896A Frame synchronization without leading codes |
09/03/2003 | CN1439895A High sensitive receiver and receive |
09/03/2003 | CN1439894A Share reference station |
09/03/2003 | CN1439893A High sensitive server for unfrequent use |
09/03/2003 | CN1439892A Thin client |
09/03/2003 | CN1439891A Complete correcting tactics |
09/02/2003 | US6614396 Method and device to correct a variation in bearing measurement |
09/02/2003 | US6614395 Self-calibrating electronic distance measurement instrument |
09/02/2003 | US6614394 Support request processing system using GPS data for locating a person requesting a support |
09/02/2003 | US6614393 Location data dissemination and reception for entities having short-range receivers |
09/02/2003 | US6614392 Combination RFID and GPS functionality on intelligent label |
08/28/2003 | WO2003071376A2 Method and system for distributing geographical addresses across the surface of the earth |
08/28/2003 | WO2003071302A1 Gps receiver apparatus and receiving method |
08/28/2003 | US20030163256 Total correction strategy |
08/28/2003 | US20030163254 Global positioning system electronic card capable of dynamically plugging navigation information |
08/28/2003 | US20030162568 Process and devices for determining the radio reception direction in a mobile communications network |
08/28/2003 | US20030162552 Method and a system for positioning of an electronic device, and an electronic device |
08/28/2003 | US20030162548 Method and system for distributing geographical addresses across the surface of the earth |
08/28/2003 | US20030162508 Miniature electronic personal locator beacon |
08/28/2003 | US20030162505 Methods for determing times and changes of times of transmission, radio communications system and processor |
08/28/2003 | US20030161543 Spectrum spreading signal demodulation method and apparatus |
08/27/2003 | EP0880713B1 Combined gps positioning system and communications system utilizing shared circuitry |
08/27/2003 | CN1438494A Assistant system for person to walk out |
08/26/2003 | US6611757 Global positioning system tag system |
08/26/2003 | US6611756 Method for predicting navigation information in a global positioning system |
08/26/2003 | US6611738 Multifunctional mobile appliance |
08/21/2003 | WO2003069939A1 Method for controlling locating procedures in a radio communication system |
08/21/2003 | WO2003069366A1 Ionospheric error prediction and correction in satellite positioning systems |
08/21/2003 | WO2003069365A1 Method and apparatus for locating missing persons |
08/21/2003 | WO2003024131A8 System for utilizing cell information to locate a wireless device |
08/21/2003 | WO2002073231A3 Server-assisted position determination in a radio network |
08/21/2003 | US20030158799 Position recognizind device and position recognizing method, and accounting device and accounting method |
08/21/2003 | US20030158663 Shared reference station |
08/21/2003 | US20030158662 No preamble frame sync |
08/21/2003 | US20030157944 Portable communication apparatus, external apparatus connectable to the portable communication apparatus, and method of controlling the portable communication apparatus |
08/21/2003 | US20030157886 Computing network path delays so accurate absolute time can be forwarded from a server to a client |
08/21/2003 | US20030156665 Extracting fine-tuned estimates from correlation functions evaluated at a limited number of values |
08/21/2003 | US20030156664 Synthesizing coherent correlation sums at one or multiple carrier frequencies using correlation sums calculated at a coarse set of frequencies |
08/21/2003 | US20030156498 Timing systems |
08/21/2003 | US20030156495 Tracking, safety and navigation system for firefighters |
08/21/2003 | US20030156063 Position location using integrated services digital broadcasting - terrestrial (ISDB-T) broadcast television signals |
08/21/2003 | US20030156059 High sensitivity GPS receiver and reception |
08/21/2003 | US20030156058 Method and system for position calculation from calculated time |
08/20/2003 | EP1337058A2 Method and system for distributing absolute time in a GPS receiver network |
08/20/2003 | EP1336866A2 Correction strategy for GPS receivers |
08/20/2003 | EP1336865A2 High-sensitivity GPS receiver with infrequent use of GPS reference stations |
08/20/2003 | EP1336864A2 Method and system for GPS position determination from calculated time |
08/20/2003 | EP1336863A2 Thin client for a GPS receiver network |
08/20/2003 | EP1336862A2 Shared GPS reference station |
08/20/2003 | EP1336861A2 Real time clock for a GPS receiver |
08/20/2003 | EP1336860A2 High sensivity GPS receiver |
08/20/2003 | EP1336859A2 Software-compensated crystal oscillator |
08/20/2003 | EP1336310A2 Methods and apparatus for identifying asset location in mobile communication networks |
08/20/2003 | EP1336277A2 Methods and apparatus for identifying asset location in mobile communication networks |
08/20/2003 | EP1336118A2 Position determination in a wireless communication system with detection and compensation for repeaters |
08/19/2003 | US6608998 Method for reducing inter-frequency bias effects in a receiver |
08/19/2003 | US6608589 Autonomous satellite navigation system |