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Class Information
Number: 356/151
Name: Optics: measuring and testing > Angle measuring or angular axial alignment > Sides of angle or axes being aligned transverse to optical axis (e.g., drift meter) > With light pulsing or interrupting means
Description: Subject matter including means whereby pulses are produced by alternately interrupting and transmitting a light beam.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7307711 |
Fluorescence based laser alignment and testing of complex beam delivery systems and lenses |
Dec. 11, 2007 |
| 5654794 |
Portable light intensity monitoring systems |
Aug. 5, 1997 |
| 5446277 |
Automated lamp monitoring system for comparing light intensities with a preselected valve |
Aug. 29, 1995 |
| 4988193 |
Method and apparatus for measuring incident light angle relative to level |
Jan. 29, 1991 |
| 4907848 |
Holographic rotary and linear encoder and method |
Mar. 13, 1990 |
| 4907880 |
Apparatus for determining angular deviation of an article |
Mar. 13, 1990 |
| 4492465 |
Retro-reflective electro-optical angle measuring system |
Jan. 8, 1985 |
| 4443103 |
Retro-reflective electro-optical angle measuring system |
Apr. 17, 1984 |
| 4429993 |
Method and apparatus for testing the correspondence of line of sight with target line |
Feb. 7, 1984 |
| 4040004 |
Color coded vehicle guidance system |
Aug. 2, 1977 |
| 3944821 |
Detection of angular position |
Mar. 16, 1976 |
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