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Class Information
Number: 315/208
Name: Electric lamp and discharge devices: systems > Discharge device and/or rectifier in the supply circuit > Discharge control discharge device in the supply circuit
Description: Systems having a discharge device which is provided with discharge control means such as a grid electrode, connected in the supply circuit of the load device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7283131 |
Image display apparatus |
Oct. 16, 2007 |
| 7208884 |
Discharge lamp lighting circuit with an open protection circuit |
Apr. 24, 2007 |
| 6841936 |
Fast recovery electron multiplier |
Jan. 11, 2005 |
| 6495969 |
Series-resonant ballast having overload control |
Dec. 17, 2002 |
| 6091201 |
Method and apparatus for accommodating multiple dimming strategies |
Jul. 18, 2000 |
| 5986412 |
Single ballast for powering plural high intensity discharge lamps |
Nov. 16, 1999 |
| 5962979 |
Asymmetrical bus capacitors |
Oct. 5, 1999 |
| 5959411 |
One pin IC control circuit for a discharge lamp |
Sep. 28, 1999 |
| 5854539 |
Electroluminescent lamp driver circuit with signal tracking |
Dec. 29, 1998 |
| 5804926 |
Lighting circuit that includes a comparison of a "flattened" sinewave to a full wave rectified sinewave for control |
Sep. 8, 1998 |
| 5625258 |
Clocked power supply |
Apr. 29, 1997 |
| 5583395 |
Fluorescent device having a fluorescent starter which precisely controls heating time and absolute synchronism of fire point |
Dec. 10, 1996 |
| RE35220 |
Two terminal controller |
Apr. 30, 1996 |
| 5491388 |
Power regulator of discharge lamp and variable color illumination apparatus using the regulator |
Feb. 13, 1996 |
| 5485058 |
Touch dimmer system |
Jan. 16, 1996 |
| 5477109 |
Discharge lamp fast preheat circuit independent of type of ballast |
Dec. 19, 1995 |
| 5455491 |
Power saving circuitry |
Oct. 3, 1995 |
| 5319285 |
Starting circuit for a high intensity discharge lamp |
Jun. 7, 1994 |
| 5291101 |
Electronic ballast for a discharge lamp with current sensing |
Mar. 1, 1994 |
| 5266869 |
Discharge lamp lighting apparatus having output impedance which limits current flow therethrough after start of discharging |
Nov. 30, 1993 |
| 5255277 |
Electronic pulse width controller for flashlamp pumped lasers |
Oct. 19, 1993 |
| 5214354 |
Electronic control module (ECM) for controlling lighting functions of a lamp bulb and method of manufacture |
May. 25, 1993 |
| 5204587 |
Fluorescent lamp power control |
Apr. 20, 1993 |
| 5187413 |
Low pressure discharge lamp apparatus |
Feb. 16, 1993 |
| 5175474 |
Power source for lighting apparatus |
Dec. 29, 1992 |
| 5164636 |
Actuator for flashing light |
Nov. 17, 1992 |
| 5162702 |
Flashing light warning apparatus |
Nov. 10, 1992 |
| 5150018 |
Gas discharge lamp with grid and control circuits therefor |
Sep. 22, 1992 |
| 5126634 |
Lamp bulb with integrated bulb control circuitry and method of manufacture |
Jun. 30, 1992 |
| 5111112 |
Light string control apparatus |
May. 5, 1992 |
| 5097180 |
Flickering candle lamp |
Mar. 17, 1992 |
| 5053677 |
Parking lamp operating system |
Oct. 1, 1991 |
| 5039919 |
Control arrangement for electronic ballast |
Aug. 13, 1991 |
| 5030890 |
Two terminal incandescent lamp controller |
Jul. 9, 1991 |
| 5023518 |
Ballast circuit for gaseous discharge lamp |
Jun. 11, 1991 |
| 5015921 |
Soft start solid state switch |
May. 14, 1991 |
| 5012392 |
Automatic battery powered video light |
Apr. 30, 1991 |
| 5004957 |
Dimming control circuit |
Apr. 2, 1991 |
| 5001402 |
Illuminated aerial marker |
Mar. 19, 1991 |
| 4996462 |
Electronic ballast for fluoroscent lamps |
Feb. 26, 1991 |
| 4958106 |
High-pressure sodium discharge lamp |
Sep. 18, 1990 |
| 4954754 |
Controlled electronic ballast |
Sep. 4, 1990 |
| 4952847 |
Stable ignition means for fluorescent lamp or the like |
Aug. 28, 1990 |
| 4949016 |
Circuit for supplying constant power to a gas discharge lamp |
Aug. 14, 1990 |
| 4947087 |
Lamp-lighting device |
Aug. 7, 1990 |
| 4945291 |
Lamp-lighting device |
Jul. 31, 1990 |
| 4912375 |
Energizing arrangement for a discharge lamp |
Mar. 27, 1990 |
| 4910437 |
High-pressure discharge lamp |
Mar. 20, 1990 |
| 4893062 |
Wall box dimming system and face plate and switch assembly therefor |
Jan. 9, 1990 |
| 4818917 |
Fluorescent lighting ballast with electronic assist |
Apr. 4, 1989 |
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