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Class Information
Number: 313/539
Name: Electric lamp and discharge devices > Photosensitive > Responsive to ultraviolet radiation
Description: Subject matter wherein the electrode is a photoemissive cathode responsive to ultraviolet radiation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7595593 |
Metal halide lamp with an ionizable fill with vanadium and rare earths, excluding manganese |
Sep. 29, 2009 |
| 7595594 |
Arrangement for switching high electric currents by a gas discharge |
Sep. 29, 2009 |
| 7427765 |
Electron beam column for writing shaped electron beams |
Sep. 23, 2008 |
| 7095037 |
Electron beam lithography system having improved electron gun |
Aug. 22, 2006 |
| 7088253 |
Flame detector, method and fuel valve control |
Aug. 8, 2006 |
| 7005795 |
Electron bombardment of wide bandgap semiconductors for generating high brightness and narrow energy spread emission electrons |
Feb. 28, 2006 |
| 6713668 |
Solar energy converter and solar energy conversion system |
Mar. 30, 2004 |
| 6700496 |
Flame and spark detector, automatic fire alarm and methods related thereto |
Mar. 2, 2004 |
| 6657384 |
Apparatus for measuring light intensity of excimer lamp |
Dec. 2, 2003 |
| 6653547 |
Solar energy converter |
Nov. 25, 2003 |
| 6628072 |
Acicular photomultiplier photocathode structure |
Sep. 30, 2003 |
| RE38234 |
Ultraviolet detector |
Aug. 26, 2003 |
| 6337537 |
Vacuum diode with high saturation current density and quick response time for detecting of electromagnetic radiation |
Jan. 8, 2002 |
| 6316877 |
Lamp device and a method of regulating the lamp intensity |
Nov. 13, 2001 |
| 6121621 |
Ultraviolet detector |
Sep. 19, 2000 |
| 5982094 |
Electron tube with polycrystalline diamond photocathode |
Nov. 9, 1999 |
| 5959301 |
Ultraviolet detector |
Sep. 28, 1999 |
| 5932966 |
Electron sources utilizing patterned negative electron affinity photocathodes |
Aug. 3, 1999 |
| 5898269 |
Electron sources having shielded cathodes |
Apr. 27, 1999 |
| 5898268 |
Apparatus and method for generating low energy electrons |
Apr. 27, 1999 |
| 5684360 |
Electron sources utilizing negative electron affinity photocathodes with ultra-small emission areas |
Nov. 4, 1997 |
| 5557167 |
Transmission mode photocathode sensitive to ultravoilet light |
Sep. 17, 1996 |
| 5489817 |
Electron-optical terminal image device based on a cold cathode |
Feb. 6, 1996 |
| 5311098 |
Interference photocathode |
May. 10, 1994 |
| 4967089 |
Pulsed optical source |
Oct. 30, 1990 |
| 4931688 |
Multifunction gas triode |
Jun. 5, 1990 |
| 4881008 |
Photomultiplier with plural photocathodes |
Nov. 14, 1989 |
| 4876443 |
Photocell, having inclined plate cathode |
Oct. 24, 1989 |
| 4680504 |
Electron discharge device having a narrow range spectral response |
Jul. 14, 1987 |
| 4639638 |
Photomultiplier dynode coating materials and process |
Jan. 27, 1987 |
| 4616248 |
UV photocathode using negative electron affinity effect in Al.sub.x Ga.sub.1 N |
Oct. 7, 1986 |
| 4614871 |
Photodiode |
Sep. 30, 1986 |
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