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Class Information
Number: 313/603
Name: Electric lamp and discharge devices > With gas or vapor > Three or more electrode discharge device > Start electrode not in main discharge path > Triggerable vacuum gap device
Description: Subject matter wherein there is a starting electrode which injects an ionized gas or vapor into the discharge device as a result of an overload so that an electrical discharge can be transferred to the discharge electrodes of the discharge device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7102289 |
Discharge tube |
Sep. 5, 2006 |
| 6898890 |
Night-vision optical device having controlled life expectancy |
May. 31, 2005 |
| 6313581 |
Electrical discharge tube having trigger wires |
Nov. 6, 2001 |
| 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 |
| 5336970 |
Gas tube protector |
Aug. 9, 1994 |
| 5243257 |
Surge voltage protector |
Sep. 7, 1993 |
| 5151630 |
Triggerable switching spark gap |
Sep. 29, 1992 |
| 5146141 |
Hollow-electrode switch |
Sep. 8, 1992 |
| 5142194 |
Spark gap component of particular spacing mounted within a shield |
Aug. 25, 1992 |
| 5075592 |
Gas discharge switch |
Dec. 24, 1991 |
| 5072153 |
Discharge tube for ignition apparatus |
Dec. 10, 1991 |
| 4977346 |
High pressure sodium discharge lamp having gas filled outer envelope |
Dec. 11, 1990 |
| 4939416 |
Gas discharge switch |
Jul. 3, 1990 |
| 4939418 |
Gas mixture for triggerable spark gaps |
Jul. 3, 1990 |
| H756 |
Radiation hard vacuum switch |
Mar. 6, 1990 |
| 4891730 |
Monolithic microwave integrated circuit terminal protection device |
Jan. 2, 1990 |
| 4847564 |
Cold-cathode ionization vacuum meter with auxiliary ignition system for very low pressure operation |
Jul. 11, 1989 |
| 4611142 |
Self-pumped spark gap |
Sep. 9, 1986 |
| 4126808 |
High voltage two stage triggered vacuum gap |
Nov. 21, 1978 |
| 4063126 |
Vacuum arc discharge device with tapered rod electrodes |
Dec. 13, 1977 |
| 4029921 |
Vacuum-type circuit interrupter with two sets of contacts electrically in parallel |
Jun. 14, 1977 |
| 4019079 |
Gas injected vacuum switch |
Apr. 19, 1977 |
| 3996438 |
Vacuum-type circuit interrupter with two sets of contacts electrically in parallel |
Dec. 7, 1976 |
| 3949260 |
Continuous ionization injector for low pressure gas discharge device |
Apr. 6, 1976 |
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