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Class Information
Number: 356/5.13
Name: Optics: measuring and testing > Range or remote distance finding > With photodetection > Of cw phase delay > Having an alternating reference path
Description: Subject matter that incorporates a path of known distance through which the transmitted signal is alternately sent in order to phase calibrate the receiver circuity for the received measuring signal from the target.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7535555 |
Distance measurement device and distance measurement method |
May. 19, 2009 |
| 7414739 |
Calibration system for sawmill scanning systems |
Aug. 19, 2008 |
| 7352446 |
Absolute distance meter that measures a moving retroreflector |
Apr. 1, 2008 |
| 7224444 |
Method and device for optically measuring distance |
May. 29, 2007 |
| 7177015 |
Distance-measuring device |
Feb. 13, 2007 |
| 6822732 |
Surveying instrument having an auto-collimating function and a distance measuring function |
Nov. 23, 2004 |
| 6586748 |
Non-invasive water current measurement system and method |
Jul. 1, 2003 |
| 6463393 |
Device for calibrating distance-measuring apparatus |
Oct. 8, 2002 |
| 6384904 |
Distance measuring apparatus |
May. 7, 2002 |
| 6115114 |
Laser scanning system and applications |
Sep. 5, 2000 |
| 5991011 |
Laser distance finding apparatus |
Nov. 23, 1999 |
| 5880822 |
Light wave distance measuring apparatus and method for determining distance of an object |
Mar. 9, 1999 |
| 5831719 |
Laser scanning system |
Nov. 3, 1998 |
| 5742379 |
Device and method for electronically measuring distances |
Apr. 21, 1998 |
| 5737069 |
Position detecting apparatus of optical interferometry |
Apr. 7, 1998 |
| 5737068 |
Electronic distance measuring device using a phase difference detection method |
Apr. 7, 1998 |
| 5608514 |
High range resolution ladar |
Mar. 4, 1997 |
| 5317375 |
Optical distance measuring apparatus |
May. 31, 1994 |
| 5002388 |
Optical distance measuring apparatus having a measurement error compensating function |
Mar. 26, 1991 |
| 4942561 |
Delay time measuring device |
Jul. 17, 1990 |
| 4636068 |
Change-over shutter for light-wave range finder |
Jan. 13, 1987 |
| 4620788 |
Apparatus for measuring pulse signal delay interval |
Nov. 4, 1986 |
| 4403857 |
Distance measuring device and method |
Sep. 13, 1983 |
| 4297030 |
Method and apparatus for measuring the distance and/or relative elevation between two points |
Oct. 27, 1981 |
| 4274736 |
Method and apparatus for electrooptical distance measurement |
Jun. 23, 1981 |
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