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Class Information
Number: 356/140
Name: Optics: measuring and testing > Angle measuring or angular axial alignment > Apex of angle at observing or detecting station
Description: Subject matter comprising means to furnish a measure of the angle between two optical axes intersecting at a common point at the observing or detecting station and passing through two points remote from this station; or between one such axis and a reference line or plane passing through the station.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7411660 |
Laser straight ruler and method for measuring distance and projecting line using the straight ruler |
Aug. 12, 2008 |
| 7332707 |
Aisle width sensor for mobile storage systems |
Feb. 19, 2008 |
| 7196656 |
Apparatus for estimating direction of arrival of signal |
Mar. 27, 2007 |
| 7106430 |
Airborne search and rescue scanner |
Sep. 12, 2006 |
| 6952255 |
System and method for integrated multi-use optical alignment |
Oct. 4, 2005 |
| 6922483 |
Methods for measuring DMD low frequency spatial uniformity |
Jul. 26, 2005 |
| 6809806 |
Apparatus and method for verifying the beam axis of front-looking land vehicle transceiver antenna |
Oct. 26, 2004 |
| 6795612 |
Device and method for measuring angle of slant surface of an optical component |
Sep. 21, 2004 |
| 6661525 |
Method for monitoring the length of constant-wire-length bonds and apparatus therefor |
Dec. 9, 2003 |
| 6480271 |
Traversing laser locating system |
Nov. 12, 2002 |
| 6104478 |
System for uninterrupted light beam deflection |
Aug. 15, 2000 |
| 5621565 |
Protraction device for a measuring microscope |
Apr. 15, 1997 |
| 5452077 |
Transient-free method of determining satellite attitude |
Sep. 19, 1995 |
| 5337241 |
Spacecraft attitude sensor having an optical apparatus for increasing applications thereof |
Aug. 9, 1994 |
| 5258822 |
System for detecting the position of a moving body |
Nov. 2, 1993 |
| 5255066 |
Measuring device for track building machines |
Oct. 19, 1993 |
| 5220397 |
Method and apparatus for angle measurement based on the internal reflection effect |
Jun. 15, 1993 |
| 5198868 |
Laser surveying system having a function of marking reference points |
Mar. 30, 1993 |
| 5159401 |
Elevation-angle sensing, celestial navigation and surveying |
Oct. 27, 1992 |
| 5118184 |
Transit for establishing 90 degree angles |
Jun. 2, 1992 |
| 4996483 |
Spinning angle optical calibration apparatus |
Feb. 26, 1991 |
| 4958927 |
Optical angle measuring instrument |
Sep. 25, 1990 |
| 4752126 |
Surveying instrument |
Jun. 21, 1988 |
| 4725738 |
Device for detecting changes in the relative position of separately mounted machines |
Feb. 16, 1988 |
| 4674873 |
Satellite locator apparatus |
Jun. 23, 1987 |
| 4605304 |
Angle-measuring instrument with a coarse-fine drive arrangement |
Aug. 12, 1986 |
| 4413906 |
Passive optical rangefinder/sextant having search capability |
Nov. 8, 1983 |
| 4339198 |
Geodetic instrument |
Jul. 13, 1982 |
| 4281928 |
Optical transit square with focusable crossing telescopes |
Aug. 4, 1981 |
| 4155648 |
Optical pipe end-squareness gauge |
May. 22, 1979 |
| 4131366 |
Direction indicating device |
Dec. 26, 1978 |
| RE29025 |
Method and apparatus for determining elevation |
Nov. 2, 1976 |
| 3968570 |
Electronic sextant |
Jul. 13, 1976 |
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