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Class Information
Number: 315/308
Name: Electric lamp and discharge devices: systems > Current and/or voltage regulation > Automatic regulation > Regulator responsive to plural conditions
Description: Systems wherein the regulating means is responsive to two or more conditions; such as, the current and the voltage of the circuit, or a condition of the load device and the current or voltage of the circuit.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6888323 |
Light management system device and method |
May. 3, 2005 |
| 6879112 |
Image display device and method of displaying images with static image detection |
Apr. 12, 2005 |
| 6876160 |
Fluorescent ballast with fiber optic and IR control |
Apr. 5, 2005 |
| 6873120 |
Power consumption controller for pressurized gas lights |
Mar. 29, 2005 |
| 6870323 |
Color display with white light emitting elements |
Mar. 22, 2005 |
| 6864643 |
Backlight inverter for liquid crystal display panel of asynchronous pulse width modulation driving type |
Mar. 8, 2005 |
| 6864645 |
Method and circuit for driving a gas discharge lamp |
Mar. 8, 2005 |
| 6864685 |
Process for anticipating the service life of a rare gas discharge lamp and a system for anticipating the service life of rare gas discharge lamp |
Mar. 8, 2005 |
| 6856099 |
Multi-lamp actuating facility |
Feb. 15, 2005 |
| 6856098 |
Converter for converting an AC power main voltage to a voltage suitable for driving a lamp |
Feb. 15, 2005 |
| 6856103 |
Voltage regulator for line powered linear and switching power supply |
Feb. 15, 2005 |
| 6853155 |
Electric discharge lamp device |
Feb. 8, 2005 |
| 6850014 |
Discharge lamp circuit for ignition time control and overvoltage protection receivers |
Feb. 1, 2005 |
| 6844682 |
Fluorescent ballast with emergency lighting capability |
Jan. 18, 2005 |
| 6841944 |
Luminaire diagnostic and configuration identification system |
Jan. 11, 2005 |
| 6838838 |
Power feeding apparatus for discharge lamp |
Jan. 4, 2005 |
| 6836074 |
Organic electro-luminescence display driving system and mobile communication terminal used this system |
Dec. 28, 2004 |
| 6836081 |
LED driver circuit and method |
Dec. 28, 2004 |
| 6836082 |
Ballast and method of feeding a fluorescent lamp |
Dec. 28, 2004 |
| 6822403 |
Light emitting element drive device and electronic device having light emitting element |
Nov. 23, 2004 |
| 6819061 |
Power supply apparatus for light source |
Nov. 16, 2004 |
| 6819063 |
Sensing voltage for fluorescent lamp protection |
Nov. 16, 2004 |
| 6819062 |
Discharge lamp lighting apparatus, light source apparatus and projection type display apparatus |
Nov. 16, 2004 |
| 6815912 |
Discharge lamp lighting apparatus and discharge lamp apparatus |
Nov. 9, 2004 |
| 6798153 |
Method of regulating power in a high-intensity-discharge lamp |
Sep. 28, 2004 |
| 6794826 |
Apparatus and method for lamp ignition control |
Sep. 21, 2004 |
| 6791286 |
Hid lamp operating circuit |
Sep. 14, 2004 |
| 6791285 |
Lamp color control for dimmed high intensity discharge lamps |
Sep. 14, 2004 |
| 6768275 |
Discharge lamp lighting circuit |
Jul. 27, 2004 |
| 6762569 |
Constant light output circuit and electrical components based thereon |
Jul. 13, 2004 |
| 6747422 |
High-voltage discharge lamp device |
Jun. 8, 2004 |
| 6741041 |
Power controller |
May. 25, 2004 |
| 6741044 |
Lamp lighting controlling apparatus and light emitting apparatus |
May. 25, 2004 |
| 6734641 |
Device for turning on light and illumination apparatus |
May. 11, 2004 |
| 6734642 |
Monitoring and management system for lighting networks |
May. 11, 2004 |
| 6731078 |
Ballast for operating electric lamps |
May. 4, 2004 |
| 6720739 |
Ballast with protection circuit for quickly responding to electrical disturbances |
Apr. 13, 2004 |
| 6717565 |
Illuminating apparatus for a liquid crystal monitor and a digital camera having a liquid crystal monitor utilizing an illuminating apparatus thereof |
Apr. 6, 2004 |
| 6713975 |
Lighting apparatus, lighting control system and home electric appliance |
Mar. 30, 2004 |
| 6710556 |
Discharge lamp lighting apparatus |
Mar. 23, 2004 |
| 6703798 |
Discharge lamp lighting device |
Mar. 9, 2004 |
| 6693393 |
Ballast for a discharge lamp |
Feb. 17, 2004 |
| 6680583 |
Sign lamp lighting transformer with protective functions |
Jan. 20, 2004 |
| 6670781 |
Cold cathode fluorescent lamp low dimming antiflicker control circuit |
Dec. 30, 2003 |
| 6650069 |
Discharge lamp lighting device |
Nov. 18, 2003 |
| 6633139 |
Converter for converting an AC power main voltage to a voltage suitable for driving a lamp |
Oct. 14, 2003 |
| 6630801 |
Method and apparatus for sensing the color point of an RGB LED white luminary using photodiodes |
Oct. 7, 2003 |
| 6624594 |
Discharge lamp lighting circuit |
Sep. 23, 2003 |
| 6611113 |
Cool cathode tube control circuit |
Aug. 26, 2003 |
| 6608452 |
Xenon power supply |
Aug. 19, 2003 |
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