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Class Information
Number: 250/372
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Ultraviolet light responsive means
Description: Subject matter wherein the radiation responsive means responds to ultraviolet light.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5772656 |
Calibration apparatus for laser ablative systems |
Jun. 30, 1998 |
| 5767519 |
Ambient-normalized differential absorption lidar system and method |
Jun. 16, 1998 |
| 5763888 |
High temperature gas stream optical flame sensor and method for fabricating same |
Jun. 9, 1998 |
| 5756292 |
Quantitative detection of macromolecules with fluorescent oligonucleotides |
May. 26, 1998 |
| 5750992 |
Method to compensate for interferences to mercury measurement in gases |
May. 12, 1998 |
| 5748090 |
Optical flameout detector |
May. 5, 1998 |
| 5747813 |
Broadband microspectro-reflectometer |
May. 5, 1998 |
| 5744715 |
Tactile-acoustic information detecting and measuring apparatus and method |
Apr. 28, 1998 |
| 5742428 |
Crystals for ultraviolet light filters |
Apr. 21, 1998 |
| 5721632 |
Excited state polarization altering optical filter |
Feb. 24, 1998 |
| 5719567 |
System for enhancing navigation and surveillance in low visibility conditions |
Feb. 17, 1998 |
| 5717215 |
Electronic device for reading information stored in a substance |
Feb. 10, 1998 |
| 5717216 |
Thickness gauging using ultraviolet light absorption |
Feb. 10, 1998 |
| 5695628 |
Method of use of an aluminum foil |
Dec. 9, 1997 |
| 5691540 |
Assembly for measuring a trench depth parameter of a workpiece |
Nov. 25, 1997 |
| 5686727 |
Ultraviolet exposure detection apparatus |
Nov. 11, 1997 |
| 5682037 |
Thin film detector of ultraviolet radiation, with high spectral selectivity option |
Oct. 28, 1997 |
| 5677538 |
Photodetectors using III-V nitrides |
Oct. 14, 1997 |
| 5670784 |
High temperature gas stream optical flame sensor |
Sep. 23, 1997 |
| 5665964 |
Particle component analyzing apparatus, and equivalent particle diameter measuring method using same |
Sep. 9, 1997 |
| 5650627 |
Sensitive assay method for measuring gallium levels in body tissues and fluids |
Jul. 22, 1997 |
| 5644134 |
Sun sensors |
Jul. 1, 1997 |
| 5644133 |
Remote vehicle emission analyzer with light conveyance to detectors through fiber optic light tubes |
Jul. 1, 1997 |
| 5625342 |
Plural-wavelength flame detector that discriminates between direct and reflected radiation |
Apr. 29, 1997 |
| 5625193 |
Optical inspection system and method for detecting flaws on a diffractive surface |
Apr. 29, 1997 |
| 5621213 |
System and method for monitoring a stack gas |
Apr. 15, 1997 |
| 5614716 |
Alternating current method and apparatus for ambient temperature compensation for modulated energy sensors |
Mar. 25, 1997 |
| 5610405 |
Electronic device for measuring light properties |
Mar. 11, 1997 |
| 5607800 |
Method and arrangement for characterizing micro-size patterns |
Mar. 4, 1997 |
| 5608666 |
Optical memory apparatus using first and second illuminating lights for writing and reading |
Mar. 4, 1997 |
| 5598014 |
High gain ultraviolet photoconductor based on wide bandgap nitrides |
Jan. 28, 1997 |
| 5591978 |
All wavelength ultraviolet intensity monitor |
Jan. 7, 1997 |
| 5581087 |
Radiation detector |
Dec. 3, 1996 |
| 5581090 |
Photochromic ultraviolet detector |
Dec. 3, 1996 |
| 5578828 |
Flame sensor window coating compensation |
Nov. 26, 1996 |
| 5574286 |
Solar-blind radiation detector |
Nov. 12, 1996 |
| 5567945 |
Compact atomic absorption analyzer |
Oct. 22, 1996 |
| 5554844 |
Passband-adjustable photo-detector for inverse photoemission spectroscopy |
Sep. 10, 1996 |
| 5552595 |
Narrow band high sensitivity photodetector for inverse photoemission spectroscopy |
Sep. 3, 1996 |
| 5548277 |
Flame sensor module |
Aug. 20, 1996 |
| 5539210 |
Radiation sensor with means to remove fouling materials |
Jul. 23, 1996 |
| 5536943 |
Method and apparatus for examining an object |
Jul. 16, 1996 |
| 5517032 |
Thin film thickness measuring system |
May. 14, 1996 |
| 5514871 |
Optical radiation sensor device |
May. 7, 1996 |
| 5510611 |
Particle component analyzing apparatus, and equivalent particle diameter measuring method using same |
Apr. 23, 1996 |
| 5500532 |
Personal electronic dosimeter |
Mar. 19, 1996 |
| 5500533 |
Method and apparatus for measuring ultraviolet protection effectiveness |
Mar. 19, 1996 |
| 5500531 |
Sensor for detecting ultra-violet rays |
Mar. 19, 1996 |
| 5497004 |
Ultraviolet sensor |
Mar. 5, 1996 |
| 5493123 |
Surface defect inspection system and method |
Feb. 20, 1996 |
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