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) |
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01/28/2004 | EP1384094A2 Altitude estimations system and method cross reference to related applications |
01/28/2004 | EP1384091A2 Detecting tool orientation alignment depth and leveling |
01/28/2004 | CN1471641A Method and apparatuses for using satellite status information in satellite positioning system |
01/27/2004 | US6684158 Method for aiding a global positioning system |
01/27/2004 | US6683923 Method and apparatus for detecting and tracking coded signals in a noisy background environment |
01/27/2004 | US6683867 Parallel precise time transfer to multiple GPS units |
01/27/2004 | US6683564 High-sensitivity satellite positioning system receivers and reception methods |
01/27/2004 | US6683563 System for determining precise orbit of satellite and method thereof |
01/22/2004 | WO2004008339A1 Method and device for detecting a similarity in the shape of sampled signals |
01/22/2004 | WO2004008170A2 Assisted gps signal detection and processing system for indoor location determination |
01/22/2004 | WO2003084079A3 Automatic sequential tuning of narrowband receivers of a wireless location system for voice/traffic channel tracking |
01/22/2004 | US20040014505 Method of saving power by reducing active reception time in standby mode |
01/22/2004 | US20040014433 Radio transceiver and method of controlling direction of radio-wave emission |
01/22/2004 | US20040013175 Method and apparatus for detecting spread spectrum signal spread code synchronization |
01/22/2004 | US20040012962 Emergency laser array signal light |
01/22/2004 | US20040012669 Conferencing system with integrated audio driver and network interface device |
01/22/2004 | US20040012526 Method and apparatus for reducing electromagnetic interference and jamming in GPS equipment operating in rolling environments |
01/22/2004 | US20040012523 Method for positioning of an electronic device, a system, and an electronic device |
01/22/2004 | US20040012522 Adaptive gps and ins integration system |
01/22/2004 | US20040012521 Method for determining the correlation between a received beacon signal and a reconstructed signal |
01/22/2004 | US20040012520 Self-calibrating electronic distance measurement instrument |
01/22/2004 | US20040012518 Tracking system using miniaturized concealable communications module |
01/20/2004 | US6681181 GPS receiver with improved immunity to burst transmissions |
01/20/2004 | US6680695 Communications system that reduces auto-correlation or cross-correlation in weak signals |
01/15/2004 | WO2004005954A2 Cross-correlation mitigation method and apparatus for use in a global positioning system receiver |
01/15/2004 | US20040010369 Gps receiver tracking system |
01/15/2004 | US20040010368 Assisted GPS signal detection and processing system for indoor location determination |
01/15/2004 | US20040008660 Dedicated device for automatically accessing wireless internet network and supplying wireless packet data-based indoor-capable GPS locations |
01/15/2004 | US20040008139 System and method to estimate the location of a receiver in a multi-path environment |
01/14/2004 | EP1380852A1 Satellite position measurement system |
01/14/2004 | EP1380851A1 Position calculation method and a mobile terminal and a server therefor |
01/14/2004 | EP1379894A2 Memory reduction method for a dsp-based gps processor |
01/14/2004 | EP1379893A1 Gps-based positioning system for mobile gps terminals |
01/14/2004 | CN1468473A Mobile-assisted network based techniques for improving accuracy of wireless location system |
01/14/2004 | CN1468023A Position calculation method and a mobile terminal and a server therefor |
01/13/2004 | US6678510 Method, apparatus and system for GPS time synchronization using cellular signal bursts |
01/13/2004 | US6677894 Method and apparatus for providing location-based information via a computer network |
01/13/2004 | US6677893 Method and apparatus for locating the source of unknown signal |
01/08/2004 | WO2004004366A2 Method and system for implementing a communications transceiver using modified gps user equipment |
01/08/2004 | WO2004003703A2 A power saving mobility aware system and method |
01/08/2004 | US20040006444 Apparatus and method for testing performance of mobile station having GPS function |
01/08/2004 | US20040004570 Method and apparatus for interference reduction in a positioning system |
01/08/2004 | CA2490851A1 A power saving mobility aware system and method |
01/07/2004 | CN1466822A Method and apparatus for detecting spread spectrum signal spread code synchronization |
01/07/2004 | CN1466739A Position recognizind device and position recognizind method and accouting device and accounting method |
01/06/2004 | US6675018 Method of and system for estimating a time of arrival of a radio signal |
01/06/2004 | US6675003 L1/L2 GPS receiver |
01/06/2004 | US6674402 Global positioning system and global positioning apparatus |
01/06/2004 | US6674401 High sensitivity GPS receiver and reception |
01/06/2004 | US6674399 Methods and apparatuses of positioning a mobile user in a system of satellite differential navigation |
01/06/2004 | US6674398 Method and apparatus for providing an integrated communications, navigation and surveillance satellite system |
01/02/2004 | EP1376151A1 Position measuring method and mobile communication terminal |
01/02/2004 | EP1373923A1 Receiver for determining a mobile object orientation |
01/02/2004 | EP1373922A2 Reduced acquisition time for gps cold and warm starts |
01/01/2004 | US20040002331 Method and system for implementing a communications transceiver using modified GPS user equipment |
01/01/2004 | US20040000957 Method of temperature calibrating a numerically controlled oscillator using low tolerance master crystals |
12/31/2003 | WO2004001993A1 Reducing cross-interference in a combined gps receiver and communication system |
12/31/2003 | WO2004001439A1 Generic satellite positioning system receivers with programmable inputs and selectable inputs and outputs |
12/31/2003 | CN1465141A Spectrum spreading signal demodulation method and apparatus |
12/31/2003 | CN1465015A Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris |
12/30/2003 | US6671620 Method and apparatus for determining global position using almanac information |
12/30/2003 | US6671377 System and method for downloading network information to mobile stations for location calculation |
12/30/2003 | US6670916 Method and system for position calculation from calculated time |
12/30/2003 | US6670915 Synthetic NAV-data for a high-sensitivity satellite positioning system receiver |
12/30/2003 | US6670914 RF system for rejection of L-band jamming in a GPS receiver |
12/30/2003 | US6670913 Self-calibrating electronic distance measurement instrument |
12/30/2003 | CA2188667C Global positioning system (gps) receiver for recovery and tracking of signals modulated with p-code |
12/30/2003 | CA2186251C Stock locator system using gps translator |
12/25/2003 | US20030236621 Determining the position of a receiver and/or the system time of a positioning system |
12/25/2003 | US20030236620 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris |
12/25/2003 | US20030234740 Method, receiver and system for determining the time of reception of a beacon signal |
12/25/2003 | US20030234739 Generic satellite positioning system receivers with selectable inputs and outputs |
12/25/2003 | US20030234738 Generic satellite positioning system receivers with programmable inputs |
12/24/2003 | WO2003107031A2 Satellite positioning receiver using two signal carriers |
12/24/2003 | WO2003034090A3 Variable bandwidth code-tracking loop with improved signal dynamics loop noise and sensitivity |
12/24/2003 | WO2003008993A3 Tracker architecture for gps systems |
12/24/2003 | WO2002091012A8 Altitude estimation system and method |
12/24/2003 | CN1463366A Receiver for determining mobile object orientation |
12/24/2003 | CN1132451C Gps辅助数据发送方法和系统 Gps auxiliary data transmission method and system |
12/24/2003 | CA2486079A1 Satellite positioning receiver using two signal carriers |
12/23/2003 | US6667723 System and method for a GPS enabled antenna |
12/23/2003 | US6667713 Self-monitoring satellite system |
12/18/2003 | WO2003104840A1 Adaptive spatial temporal selective attenuator with restored phase |
12/18/2003 | WO2003104839A1 Gps receiver |
12/18/2003 | WO2003104837A1 Reconfigurable geolocation system |
12/18/2003 | WO2003104834A2 Tracking system and associated method |
12/18/2003 | WO2003089953B1 Emergency beacon and method of adjusting beacon transmit period |
12/18/2003 | WO2003060542A3 System for the efficient utilization of navigation satellites |
12/18/2003 | WO2003035427A3 Individual transport control and communication system |
12/18/2003 | US20030231704 GPS receiving apparatus and GPS satellite signal receiving method |
12/18/2003 | US20030231580 Method and device to compute the discriminant function of signals modulated with one or more subcarriers |
12/18/2003 | US20030231132 Method and apparatus for selecting optimal satellites in global positioning system |
12/18/2003 | CA2489089A1 Reconfigurable geolocation system |
12/18/2003 | CA2484901A1 Tracking system and associated method |
12/17/2003 | CN1131657C Method of masuring time difference, and radio system |
12/16/2003 | US6665712 System and method for locating an output device |
12/16/2003 | US6665612 Navigation processing for a satellite positioning system receiver |
12/16/2003 | US6665540 Method and system for locating a mobile terminal in a cellular radio network |
12/16/2003 | US6665539 Position location with low tolerance oscillator |
12/16/2003 | US6664923 Position and velocity Kalman filter for use with global navigation satelite system receivers |