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Class Information
Number: 315/59
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
Description: Discharge devices, having the impedance electrically connected between two electrodes of the discharge device.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619369 |
Method and circuit arrangement for operating a discharge lamp |
Nov. 17, 2009 |
| 7492104 |
High pressure discharge lamp |
Feb. 17, 2009 |
| 7304421 |
Power supply system for a lamp and lamp having this power supply system |
Dec. 4, 2007 |
| 7230389 |
Metal halide lamp having function for suppressing abnormal discharge |
Jun. 12, 2007 |
| 7202614 |
Electronic ballast for a fluorescent task lamp |
Apr. 10, 2007 |
| 7132800 |
High-pressure discharge lamp |
Nov. 7, 2006 |
| 6927539 |
Device and method for operating a high pressure discharge lamp |
Aug. 9, 2005 |
| 6844662 |
Spark plug and ignition apparatus |
Jan. 18, 2005 |
| 6777879 |
Gas discharge lamp comprising a phosphor layer |
Aug. 17, 2004 |
| 6661177 |
High-pressure discharge lamp with ignition circuit including halogen incandescent lamp |
Dec. 9, 2003 |
| 6605899 |
Dielectric barrier discharge lamp |
Aug. 12, 2003 |
| 6515433 |
Gas discharge fluorescent device |
Feb. 4, 2003 |
| 6501216 |
Focusing electrode for field emission displays and method |
Dec. 31, 2002 |
| 6380118 |
Nonlinear dielectric ceramic, pulse generating capacitor, high-pressure vapor discharge lamp circuit, and high-pressure vapor discharge lamp |
Apr. 30, 2002 |
| 6361185 |
Safety structure to prevent a socket from being over-heated in a lamp string |
Mar. 26, 2002 |
| 6329743 |
Current peaking sparkplug |
Dec. 11, 2001 |
| 6288491 |
Metal halide lamp |
Sep. 11, 2001 |
| 6222320 |
Metal halide lamp with a starting aid |
Apr. 24, 2001 |
| 6163113 |
Protecting device for a string of series connected lamps |
Dec. 19, 2000 |
| 6150761 |
Discharge lamp ballast circuit with charge pump igniter |
Nov. 21, 2000 |
| 6118217 |
Additional electrode for three-level output and improved starting of compact fluorescent lamp systems |
Sep. 12, 2000 |
| 6100638 |
Kit for converting lighting units employing fluorescent lamps from inductive operation to electronic operation |
Aug. 8, 2000 |
| 5889360 |
Discharge lamp with capacitive socket |
Mar. 30, 1999 |
| 5838109 |
Discharge lamp lighting device |
Nov. 17, 1998 |
| 5661367 |
High pressure series arc discharge lamp construction with simplified starting aid |
Aug. 26, 1997 |
| 5389856 |
High-pressure discharge lamp with an integral fuse-capacitor component |
Feb. 14, 1995 |
| 5345144 |
Lamp with internally pressed fuse |
Sep. 6, 1994 |
| 5323087 |
Ultraviolet radiation starting source and lamp containing same |
Jun. 21, 1994 |
| 5185557 |
High-pressure discharge lamp |
Feb. 9, 1993 |
| 5138231 |
High pressure metal vapor discharge lamp |
Aug. 11, 1992 |
| 5103136 |
Igniter plug |
Apr. 7, 1992 |
| 5077497 |
Cathode ray tube |
Dec. 31, 1991 |
| 5053676 |
High-pressure discharge lamp |
Oct. 1, 1991 |
| 5045757 |
Metal vapor discharge lamp |
Sep. 3, 1991 |
| 5041765 |
Negative glow discharge lamp device |
Aug. 20, 1991 |
| 5034657 |
Thermal-switch instant starter for a fluorescent light |
Jul. 23, 1991 |
| 4987344 |
Arc discharge lamp with internal starter |
Jan. 22, 1991 |
| 4983882 |
Ignition amplifier device |
Jan. 8, 1991 |
| 4967118 |
Negative glow discharge lamp |
Oct. 30, 1990 |
| 4879494 |
Fluorescent lamp starter assembly |
Nov. 7, 1989 |
| 4853583 |
Low-pressure mercury vapor discharge lamp having a lamp cap with walls for guiding electrode leads past starter means disposed therein |
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 |
| 4792732 |
Radio frequency plasma generator |
Dec. 20, 1988 |
| 4754197 |
Arc discharge lamp assembly simulating gaslight |
Jun. 28, 1988 |
| 4751430 |
Spark plug connector having transformer, capacitor, and spark gap |
Jun. 14, 1988 |
| 4746834 |
Ignition plug for internal combustion engines |
May. 24, 1988 |
| 4742275 |
High pressure metal vapor discharge lamp with starting element |
May. 3, 1988 |
| 4721888 |
Arc discharge lamp with ultraviolet enhanced starting circuit |
Jan. 26, 1988 |
| 4677343 |
Sealed beam lamps |
Jun. 30, 1987 |
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