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Class Information
Number: 315/60
Name: Electric lamp and discharge devices: systems > Combined load device or load device temperature modifying means and electrical circuit device structure > Discharge device load > Discharge device and circuit impedance > Impedance connected between two electrodes > Impedance connected to an auxiliary starting electrode
Description: Subject matter, wherein the discharge device is provided with a principal anode and a principal cathode and an auxiliary discharge electrode, the impedance being electrically connected between the auxiliary discharge electrode and one of the principal electrodes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7301283 |
Starting aid for low wattage metal halide lamps |
Nov. 27, 2007 |
| 7132800 |
High-pressure discharge lamp |
Nov. 7, 2006 |
| 6919686 |
Discharge lamp having an auxiliary light source to produce light with a short wavelength |
Jul. 19, 2005 |
| 6661177 |
High-pressure discharge lamp with ignition circuit including halogen incandescent lamp |
Dec. 9, 2003 |
| 6639365 |
Ultra-compact arc discharge lamp system with an additional electrode |
Oct. 28, 2003 |
| 6566817 |
High intensity discharge lamp with only one electrode |
May. 20, 2003 |
| 6541915 |
High pressure arc lamp assisted start up device and method |
Apr. 1, 2003 |
| 6459204 |
Dual-element 3-way compact fluorescent lamp |
Oct. 1, 2002 |
| 6400087 |
Unit comprising a high-pressure discharge lamp and an ignition antenna |
Jun. 4, 2002 |
| 6392343 |
Metal halide lamp |
May. 21, 2002 |
| 6380679 |
Short-arc discharge lamp with a starting antenna |
Apr. 30, 2002 |
| 6288491 |
Metal halide lamp |
Sep. 11, 2001 |
| 6194834 |
Gas discharge lamp, in particular for a motor-vehicle headlight |
Feb. 27, 2001 |
| 6177765 |
Active diode protection apparatus in metal halide lamps |
Jan. 23, 2001 |
| 6114809 |
Planar fluorescent lamp with starter and heater circuit |
Sep. 5, 2000 |
| 6034477 |
High-pressure discharge lamp |
Mar. 7, 2000 |
| 5747946 |
Gas discharge lamps and systems |
May. 5, 1998 |
| 5331250 |
Thick film resistor for use in a vacuum and a high pressure discharge lamp having such a resistor |
Jul. 19, 1994 |
| 5323087 |
Ultraviolet radiation starting source and lamp containing same |
Jun. 21, 1994 |
| 5276385 |
High-pressure discharge lamp and lighting method |
Jan. 4, 1994 |
| 5237241 |
Cold-cathode fluorescent discharge tube |
Aug. 17, 1993 |
| 5187416 |
Arc discharge lamp with a vertical thermal switch extending between the lamp stem and inner neck wall |
Feb. 16, 1993 |
| 5159242 |
High pressure discharge lamp having an integral thick film resistor with multiple resistive elements |
Oct. 27, 1992 |
| 5079480 |
Bimetal/resistor switch and ceramic bridge assembly for metal halide lamps |
Jan. 7, 1992 |
| 5045757 |
Metal vapor discharge lamp |
Sep. 3, 1991 |
| 5015916 |
Electric discharge lamp and thermal switch starter means therefor |
May. 14, 1991 |
| 4992703 |
Metal halide lamp with dual starting electrodes and improved maintenance |
Feb. 12, 1991 |
| 4987344 |
Arc discharge lamp with internal starter |
Jan. 22, 1991 |
| 4981330 |
High-pressure sodium vapor discharge lamp |
Jan. 1, 1991 |
| 4962335 |
Deuterium lamp voltage supply means |
Oct. 9, 1990 |
| 4910437 |
High-pressure discharge lamp |
Mar. 20, 1990 |
| 4853591 |
Multiple-tube compact low-pressure discharge fluorescent lamp |
Aug. 1, 1989 |
| 4818915 |
Arc discharge lamp with ultraviolet radiation starting source |
Apr. 4, 1989 |
| 4812714 |
Arc discharge lamp with electrodeless ultraviolet radiation starting source |
Mar. 14, 1989 |
| 4769578 |
High-pressure sodium discharge lamp |
Sep. 6, 1988 |
| 4743810 |
Circuit arrangement for operating a high-pressure discharge lamp |
May. 10, 1988 |
| 4721888 |
Arc discharge lamp with ultraviolet enhanced starting circuit |
Jan. 26, 1988 |
| 4697121 |
Low-pressure mercury vapor discharge lamp |
Sep. 29, 1987 |
| 4692664 |
Gaseous discharge device |
Sep. 8, 1987 |
| 4677343 |
Sealed beam lamps |
Jun. 30, 1987 |
| 4659965 |
High pressure discharge lamp with thermal switch |
Apr. 21, 1987 |
| 4626744 |
Electronic discharge tube and electronic light emitter using it |
Dec. 2, 1986 |
| 4611148 |
Low-pressure mercury vapor discharge lamp |
Sep. 9, 1986 |
| 4568856 |
High pressure metal vapor discharge lamp |
Feb. 4, 1986 |
| 4506192 |
Fluorescent lamp and a base thereof |
Mar. 19, 1985 |
| 4499406 |
Electronic discharge tube and electronic light emitter using it |
Feb. 12, 1985 |
| 4498030 |
High-pressure sodium vapor discharge lamp with bimetallic element |
Feb. 5, 1985 |
| 4491766 |
High pressure electric discharge lamp employing a metal spiral with positive potential |
Jan. 1, 1985 |
| 4488091 |
High intensity discharge lamp |
Dec. 11, 1984 |
| 4447759 |
Starter for igniting an electric discharge tube |
May. 8, 1984 |
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