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Class Information
Number: 342/127
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > Phase comparison
Description: Subject matter including determining distance by comparing the phase of the transmitted radar with the returned radar carried signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7391505 |
Range sensing system |
Jun. 24, 2008 |
| 7388655 |
High-precision laser rangefinder using burst emission |
Jun. 17, 2008 |
| 7362260 |
Method of using continuous-wave radiation for detecting and locating targets hidden behind a surface |
Apr. 22, 2008 |
| 7352320 |
FM-CW radar |
Apr. 1, 2008 |
| 7333046 |
System and method for monitoring targets |
Feb. 19, 2008 |
| 7330148 |
Measuring apparatus and measuring method |
Feb. 12, 2008 |
| 7304609 |
Hybrid wireless ranging system and associated methods |
Dec. 4, 2007 |
| 7295150 |
Methods and systems for identifying high-quality phase angle measurements in an interferometric radar system |
Nov. 13, 2007 |
| 7205931 |
Method for determining the distance between a base station and a mobile object, in addition to a base station and identification system for a method of this type |
Apr. 17, 2007 |
| 7167126 |
Radar system and method for determining the height of an object |
Jan. 23, 2007 |
| 7145349 |
Method for increasing the interference resistance of a time frame reflectometer and a circuit device of implementing said method |
Dec. 5, 2006 |
| 7139581 |
Method and system for distance measurement in a low or zero intermediate frequency half-duplex communications loop |
Nov. 21, 2006 |
| 7119737 |
Microwave sensor |
Oct. 10, 2006 |
| 7095362 |
Radar measurement device, especially for a motor vehicle, and method for operating a radar measurement device |
Aug. 22, 2006 |
| 7079029 |
Dual-frequency microwave sensor |
Jul. 18, 2006 |
| 7061369 |
Method for measuring distance between two objects and method for controlling access to an object or the use thereof, in particular access control and driving authorization for a motor vehicle |
Jun. 13, 2006 |
| 7049965 |
Surveillance systems and methods |
May. 23, 2006 |
| 7046190 |
Process for phase-derived range measurements |
May. 16, 2006 |
| 7023356 |
System and method for monitoring individuals and objects associated with wireless identification tags |
Apr. 4, 2006 |
| 7006033 |
Pulse radar apparatus |
Feb. 28, 2006 |
| 7005967 |
Validation of the presence of an electromagnetic transponder in the field of an amplitude demodulation reader |
Feb. 28, 2006 |
| 6973316 |
Position detecting method and apparatus |
Dec. 6, 2005 |
| 6963301 |
System and method for near-field electromagnetic ranging |
Nov. 8, 2005 |
| 6956522 |
Pulse radar system |
Oct. 18, 2005 |
| 6933882 |
Time domain radio transmission system |
Aug. 23, 2005 |
| 6911934 |
Apparatus, method and articles of manufacture for sequential lobing high resolution radar |
Jun. 28, 2005 |
| 6909396 |
METHOD AND DEVICE FOR DETERMINING THE POSITION OF AT LEAST ONE SECOND TRANSMITTING AND RECEIVING DEVICE IN RESPECT OF A FIRST TRANSMITTING AND RECEIVING DEVICE IN A PASSIVE ACCESS CONTROL SYST |
Jun. 21, 2005 |
| 6868073 |
Distance/ranging by determination of RF phase delta |
Mar. 15, 2005 |
| 6861974 |
Clutter normalization by adaptation of transmit waveform |
Mar. 1, 2005 |
| 6859164 |
Detecting system |
Feb. 22, 2005 |
| 6806824 |
Apparatus and method for measuring the distance to an object |
Oct. 19, 2004 |
| 6806828 |
Passive range and angle measurement system and method |
Oct. 19, 2004 |
| 6784826 |
Body motion tracking system |
Aug. 31, 2004 |
| 6759977 |
Method and apparatus for radar-based level gauging |
Jul. 6, 2004 |
| 6731908 |
Distance measurement using half-duplex RF techniques |
May. 4, 2004 |
| 6686871 |
Method for HPRF-radar measurement |
Feb. 3, 2004 |
| 6680691 |
Methods and apparatus for accurate phase detection |
Jan. 20, 2004 |
| 6670913 |
Self-calibrating electronic distance measurement instrument |
Dec. 30, 2003 |
| 6614239 |
Process and system for measuring the distance of a moving body from a fixed part |
Sep. 2, 2003 |
| 6614395 |
Self-calibrating electronic distance measurement instrument |
Sep. 2, 2003 |
| 6522290 |
Transmit phase removal in FM homodyne radars |
Feb. 18, 2003 |
| 6492937 |
High precision range measurement technique |
Dec. 10, 2002 |
| 6492933 |
SSB pulse Doppler sensor and active reflector system |
Dec. 10, 2002 |
| 6489917 |
Phase-based sensing system |
Dec. 3, 2002 |
| 6473028 |
Detection of the distance between an electromagnetic transponder and a terminal |
Oct. 29, 2002 |
| 6429806 |
Complex homodyned FSK diplex radar |
Aug. 6, 2002 |
| 6414626 |
INTERROGATORS, WIRELESS COMMUNICATION SYSTEMS, METHODS OF OPERATING AN INTERROGATOR, METHODS OF OPERATING A WIRELESS COMMUNICATION SYSTEM, AND METHODS OF DETERMINING RANGE OF A REMOTE COMMUNIC |
Jul. 2, 2002 |
| 6396435 |
Method for determining the vertical distance between an object and a device with a variable position |
May. 28, 2002 |
| 6396438 |
System and method for locating radio frequency identification tags using three-phase antenna |
May. 28, 2002 |
| 6384770 |
Linearizing device for a frequency-modulation ramp and its application to a radio altimeter |
May. 7, 2002 |
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