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Class Information
Number: 313/602
Name: Electric lamp and discharge devices > With gas or vapor > Three or more electrode discharge device > Start electrode not in main discharge path > Trigger electrode concentric with discharge electrode
Description: Subject matter wherein the start or the control electrode is placed with respect to one of the two discharge electrodes so that they both have a common axis.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7560865 |
Discharge lamp of the short arc type |
Jul. 14, 2009 |
| 7505244 |
Micro-switches for downhole use |
Mar. 17, 2009 |
| 7397189 |
Lamp device and projector therewith |
Jul. 8, 2008 |
| 7239086 |
Plasma display panel including dielectric layer that does not cover part of a discharge gap |
Jul. 3, 2007 |
| 7218051 |
Discharge tube |
May. 15, 2007 |
| 7116542 |
Micro-switches for downhole use |
Oct. 3, 2006 |
| 7102289 |
Discharge tube |
Sep. 5, 2006 |
| 6977468 |
Integrated spark gap device |
Dec. 20, 2005 |
| 6555961 |
Anode initiated surface flashover switch |
Apr. 29, 2003 |
| 6531832 |
Discharge lamp and electronic flash device using the same |
Mar. 11, 2003 |
| 6385031 |
Switches for use in tools |
May. 7, 2002 |
| 6307308 |
Low pressure gas discharge switch with particular electrode structure |
Oct. 23, 2001 |
| 6127778 |
Lampholder and lighting unit comprising a lampholder |
Oct. 3, 2000 |
| 5994850 |
Switching arrangements wherein a cylindrical trigger electrode is arranged around a gap between an anode and cathode for establishing a discharge therebetween |
Nov. 30, 1999 |
| 5739637 |
Cold cathode vacuum discharge tube |
Apr. 14, 1998 |
| 5428263 |
Discharge cathode device with stress relieving layer and method for manufacturing the same |
Jun. 27, 1995 |
| 5418423 |
Capacitively coupled trigger for pseudogap cold cathode thyratrons |
May. 23, 1995 |
| 5336970 |
Gas tube protector |
Aug. 9, 1994 |
| 5151630 |
Triggerable switching spark gap |
Sep. 29, 1992 |
| H756 |
Radiation hard vacuum switch |
Mar. 6, 1990 |
| 4897577 |
Electromechanically triggered spark gap switch |
Jan. 30, 1990 |
| 4835440 |
Fluorescent lamp generating different color light beams |
May. 30, 1989 |
| 4739227 |
Fluorescent lamp dimming over large light output range |
Apr. 19, 1988 |
| 4739439 |
Overvoltage arrester |
Apr. 19, 1988 |
| 4661747 |
Efficient electrical conversion switching tube suitable for inductive loads |
Apr. 28, 1987 |
| 4628399 |
Anti-overvoltage protector |
Dec. 9, 1986 |
| 4383197 |
Metal halide arc discharge lamp having shielded electrode |
May. 10, 1983 |
| 4224550 |
Vacuum discharge device with rod electrode array |
Sep. 23, 1980 |
| 4054813 |
Triggered spark-gap discharger |
Oct. 18, 1977 |
| 4034260 |
Gridded crossed-field tube and ignition method |
Jul. 5, 1977 |
| 4034261 |
Gridded crossed-field tube |
Jul. 5, 1977 |
| 3934166 |
Offset stinger for arc lamp |
Jan. 20, 1976 |
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