Patents
Sitemap › G01 - Measuring; Testing › G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves
More topics under "G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves" (209,422)
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)
G01S 11 - Systems for determining distance or velocity not using reflection or reradiation (4,179)
G01S 13 - Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified (37,701)
G01S 15 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems (17,242)
G01S 17 - Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems (17,638)
G01S 19 - Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems (34,425)
G01S 3 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received (11,105)
G01S 5 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations (29,969)
G01S 7 - Details of systems according to groups , , (41,338)
Patents for G01S - Radio direction-finding; Radio navigation; Determining distance or velocity by use of radio waves; Locating or presence-detecting by use of the reflection or reradiation of radio waves; Analogous arrangements using other waves (432)
09/2003
09/09/2003US6617938 Return to zero and sampling pulse generating circuits and method for direct digital up conversion
07/2003
07/23/2003EP1073914B1 Method and apparatus for determining time in a satellite positioning system
07/22/2003US6597311 Method and apparatus for determining time in a satellite positioning system
06/2003
06/12/2003WO2003048799A2 Method and apparatus for reducing electromagnetic interference and jamming in gp equipment operating in rolling environments
05/2003
05/08/2003WO2002095437A3 Efficient use of detectors with long dead times
05/02/2003EP1306688A1 Method and apparatus for determining time in a satellite positioning system
02/2003
02/06/2003WO2002091012A3 Altitude estimation system and method
02/06/2003US20030025632 Method and apparatus for determining time in a satellite positioning system
01/2003
01/09/2003US20030006930 Altitude estimation system and method
01/03/2003WO2003001231A2 Interferometric imaging method apparatus and system
12/2002
12/11/2002EP0700269B1 System for locating relative positions of objects
11/2002
11/28/2002WO2002095437A2 Efficient use of detectors with long dead times
11/14/2002WO2002091012A2 Altitude estimation system and method
11/12/2002US6480143 Electronic identification system
08/2002
08/27/2002US6442416 Determination of the position and orientation of at least one object in space
08/13/2002US6433731 Method and apparatus for determining time in a satellite positioning system
07/2002
07/03/2002EP1219259A1 System for locating relative positions of objects
08/2001
08/01/2001CN1306619A Method and appts. for determining time in satellite positioning system
04/2001
04/18/2001CN1292095A Method and apparatus for coherence imaging
04/10/2001US6215442 Method and apparatus for determining time in a satellite positioning system
04/04/2001EP1088244A1 Method and apparatus for harmonic imaging using multiple focal zones
02/2001
02/07/2001EP1073914A2 Method and apparatus for determining time in a satellite positioning system
12/2000
12/20/2000EP1060408A1 Method and apparatus for coherence imaging
11/2000
11/02/2000WO2000065371A1 Method and apparatus for harmonic imaging using multiple focal zones
08/2000
08/22/2000US6108572 Method and apparatus for harmonic imaging using multiple focal zones
07/2000
07/13/2000WO2000040997A1 Method and apparatus for coherence imaging
06/2000
06/22/2000WO1999053338A3 Method and apparatus for determining time in a satellite positioning system
06/07/2000CN1255689A Electronic identification system
06/06/2000US6071240 Method and apparatus for coherence imaging
05/2000
05/17/2000EP1001366A2 Electronic identification system
05/02/2000CA2036124C Hydroacoustic ranging system
03/2000
03/08/2000EP0666989B1 Method and circuits for the transmission of data between an interrogator station and a transponder station
12/1999
12/01/1999EP0960961A1 Method of making a quartz crystal having a particular resonant frequency
11/1999
11/16/1999US5987349 Method for determining the position and orientation of two moveable objects in three-dimensional space
10/1999
10/21/1999WO1999053338A2 Method and apparatus for determining time in a satellite positioning system
10/21/1999CA2557823A1 Method and apparatus for determining time in a satellite positioning system
07/1999
07/06/1999US5920395 System for locating relative positions of objects in three dimensional space
06/1999
06/02/1999EP0670049B1 Multi-dimensional signal processing and display
04/1999
04/06/1999US5891240 Radio frequency automatic identification system
02/1999
02/23/1999CA2119774C Radio frequency automatic identification system
12/1998
12/09/1998EP0605650B1 Radio frequency automatic identification system
11/1998
11/24/1998CA2110218C Method of generating a correction function for an elimination of phase and amplitude errors of a compressed signal
10/1998
10/14/1998EP0871042A1 Radio frequency automatic identification system
07/1998
07/22/1998EP0700269A4 System for locating relative positions of objects
04/1997
04/22/1997US5622170 Apparatus for determining the position and orientation of an invasive portion of a probe inside a three-dimensional body
10/1996
10/01/1996CA1338629C System for determining the angular spin position of an object spinning about an axis
03/1996
03/13/1996EP0700269A1 System for locating relative positions of objects
01/1996
01/24/1996EP0670049A4 Multi-dimensional signal processing and display.
10/1995
10/31/1995US5463597 Fish locator
10/17/1995US5459473 GPS receiver
10/03/1995US5455806 Multi-dimensional signal processing and display
09/1995
09/06/1995EP0670049A1 Multi-dimensional signal processing and display
08/1995
08/16/1995EP0666989A1 Method and circuits for the transmission of data between an interrogator station and a transponder station
03/1995
03/02/1995WO1995006261A1 Method and circuits for the transmission of data between an interrogator station and a transponder station
01/1995
01/04/1995EP0605650A4 Radio frequency automatic identification system.
01/03/1995US5379268 Multi-dimensional signal processing and display
11/1994
11/08/1994CA1332968C Method of positioning a feed beam provided with a rock drilling machine
10/1994
10/27/1994WO1994023647A1 System for locating relative positions of objects
07/1994
07/13/1994EP0605650A1 Radio frequency automatic identification system
05/1994
05/26/1994WO1994011756A1 Multi-dimensional signal processing and display
05/26/1994CA2149671A1 Multi-dimensional signal processing and display
04/1994
04/26/1994CA1328915C Delayed replica radar test set target
03/1994
03/23/1994EP0587561A1 Gps receiver
03/01/1994US5291205 Radio frequency automatic identification system
12/1993
12/29/1993EP0363478B1 Delayed replica radar test set target
09/1993
09/14/1993US5245587 Multi-dimensional signal processing and display
06/1993
06/16/1993EP0345320B1 A method to detect radiation and measure its angle of incidence and a detector arrangement to carry out the method
04/1993
04/20/1993US5204681 Radio frequency automatic identification system
04/01/1993WO1993006504A1 Radio frequency automatic identification system
03/1993
03/13/1993WO1993005407A1 Gps receiver
03/13/1993CA2096019A1 Gps receiver
03/10/1993EP0301019B1 Method for the three-dimensional surveillance of the object space
10/1992
10/27/1992CA1309490C Method for the three-dimensional surveillance of the object space
09/1992
09/23/1992EP0298112B1 Processing parameter generator for synthetic aperture radar
06/1992
06/17/1992EP0273970B1 Multiple range interval clutter cancellation circuit
06/03/1992EP0215940B1 Imaging doppler interferometer
02/1992
02/05/1992EP0252089B1 A method of calibrating and equalizing a multi-chanel automatic gain control amplifier
12/1991
12/11/1991EP0460246A1 Window for acoustic wave form and method for making
10/1991
10/23/1991EP0248878B1 A method for measuring the distance and/or the relative velocity between two objects
09/1991
09/25/1991EP0249638B1 A method and apparatus for measuring distances
07/1991
07/24/1991EP0238615B1 Method of navigating an automated guided vehicle
07/09/1991CA1286022C Processing parameter generator for synthetic aperture radar
04/1991
04/23/1991US5010244 Method to detect radiation and measure its angle of incidence and a detector arrangement to carry out the method
03/1991
03/05/1991US4997705 Septa sandwiching core; underwater sonar systems
01/1991
01/15/1991US4985704 Processing parameter generator for synthetic aperture radar
05/1990
05/22/1990US4928175 Method for the three-dimensional surveillance of the object space
03/1990
03/13/1990CA1266707A1 Method of calibrating and equalizing a multi-channel automatic gain control amplifier
02/1990
02/20/1990US4903029 Delayed replica radar test set target
01/1990
01/10/1990CN1038702A Spread spectrum aircraft guidance system
01/02/1990US4891599 Expander system for pulse signals
12/1989
12/13/1989EP0345320A1 A method to detect radiation and measure its angle of incidence and a detector arrangement to carry out the method.
11/1989
11/16/1989WO1989008854A3 Delayed replica radar test set target
09/1989
09/21/1989WO1989008854A2 Delayed replica radar test set target
07/1989
07/25/1989US4851851 Method for measuring the distance and/or the relative velocity between two objects
06/1989
06/01/1989WO1989004972A1 A method to detect radiation and measure its angle of incidence and a detector arrangement to carry out the method
03/1989
03/14/1989US4812771 Expander system for pulse signals
03/07/1989US4811228 Method of navigating an automated guided vehicle
02/1989
02/14/1989US4804961 Method and apparatus for measuring distances
02/01/1989EP0301019A1 Method for the three-dimensional surveillance of the object space.
01/1989
01/11/1989EP0298112A1 Processing parameter generator for synthetic aperture radar.
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