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Class Information
Number: 315/244
Name: Electric lamp and discharge devices: systems > Condenser in the supply circuit > Inductance in the condenser circuit
Description: Systems having an inductance in addition to the condenser.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612504 |
Lamp with integral voltage converter having phase-controlled dimming circuit for reducing RMS load voltage |
Nov. 3, 2009 |
| 7580271 |
Apparatus and method for suppressing the input current inrush for a voltage converter in a pre-charge stage |
Aug. 25, 2009 |
| 7564191 |
Inverter having single switching device |
Jul. 21, 2009 |
| 7560872 |
DC-AC converter having phase-modulated, double-ended, half-bridge topology for powering high voltage load such as cold cathode fluorescent lamp |
Jul. 14, 2009 |
| 7550932 |
Control method and device for a power-converting module that drives a light-emitting component |
Jun. 23, 2009 |
| 7548028 |
Current-mode resonant inverter circuit |
Jun. 16, 2009 |
| 7541749 |
Current-mode resonant inverter circuit for discharge lamp |
Jun. 2, 2009 |
| 7521873 |
Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps |
Apr. 21, 2009 |
| 7479742 |
Discharge lamp lighting circuit |
Jan. 20, 2009 |
| 7479741 |
Method and device for supplying power to LEDs |
Jan. 20, 2009 |
| 7477024 |
Sequential burst mode activation circuit |
Jan. 13, 2009 |
| 7474064 |
Lamp driving circuit for a discharge lamp and a control method thereof |
Jan. 6, 2009 |
| 7459867 |
Program start ballast |
Dec. 2, 2008 |
| 7453214 |
Lamp-operating unit and low-pressure mercury discharge lamp |
Nov. 18, 2008 |
| 7443109 |
LED current pulse limiter arrangement |
Oct. 28, 2008 |
| 7436124 |
Voltage fed inverter for fluorescent lamps |
Oct. 14, 2008 |
| 7382099 |
Striation control for current fed electronic ballast |
Jun. 3, 2008 |
| 7373114 |
Signal transmission circuit, signal output circuit and termination method of signal transmission circuit |
May. 13, 2008 |
| 7368879 |
Pendulum resonant converter and method |
May. 6, 2008 |
| 7352139 |
Multiple lamp ballast control circuit |
Apr. 1, 2008 |
| 7339327 |
Resonant circuit for halogen lighting |
Mar. 4, 2008 |
| 7332873 |
Electrical circuit for fluorescent lamps |
Feb. 19, 2008 |
| 7323826 |
Anti-cycling control system for luminaires |
Jan. 29, 2008 |
| 7285922 |
Driving apparatus for CCFL |
Oct. 23, 2007 |
| 7282870 |
Driving apparatus for CCFL |
Oct. 16, 2007 |
| 7279850 |
Decoupling circuits |
Oct. 9, 2007 |
| 7247991 |
Dimming ballast and method |
Jul. 24, 2007 |
| 7245088 |
Power control circuit for controlling rated power supplied to a load |
Jul. 17, 2007 |
| 7242153 |
Pulse width modulation inverter circuit and control method thereof |
Jul. 10, 2007 |
| 7235933 |
Reversible dimmer device of gas discharge lamps and the control method for light adjusting thereof |
Jun. 26, 2007 |
| 7230388 |
Lighting of discharge lamp by frequency control |
Jun. 12, 2007 |
| 7211970 |
Discharge lamp lighting device and lighting unit |
May. 1, 2007 |
| 7208884 |
Discharge lamp lighting circuit with an open protection circuit |
Apr. 24, 2007 |
| 7202609 |
Noise reduction in a power converter |
Apr. 10, 2007 |
| 7187135 |
High intensity discharge lamp electronics controller |
Mar. 6, 2007 |
| 7176638 |
Discharge lamp lighting circuit |
Feb. 13, 2007 |
| 7164237 |
Circuit arrangement for operating discharge lamps |
Jan. 16, 2007 |
| 7157865 |
Circuit for driving cold cathode tubes and external electrode fluorescent lamps |
Jan. 2, 2007 |
| 7129648 |
Interface circuit for operating capacitive loads |
Oct. 31, 2006 |
| 7129650 |
Lighting apparatus for high intensity discharge lamp |
Oct. 31, 2006 |
| 7129653 |
Self-contained, self-snubbed, HID dimming module that exhibits non-zero crossing detection switching |
Oct. 31, 2006 |
| 7122972 |
Dimmable ballast with resistive input and low electromagnetic interference |
Oct. 17, 2006 |
| 7119494 |
Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps |
Oct. 10, 2006 |
| 7119495 |
Controlling a light assembly |
Oct. 10, 2006 |
| 7071632 |
Discharge lamp starter |
Jul. 4, 2006 |
| 7045968 |
Self-commissioning daylight switching system |
May. 16, 2006 |
| 7045969 |
Inverter circuit capable of adjusting power factor |
May. 16, 2006 |
| 7042165 |
Driver circuit for LED vehicle lamp |
May. 9, 2006 |
| 7042171 |
Multiple-CCFL parallel driving circuit and the associated current balancing control method for liquid crystal display |
May. 9, 2006 |
| 7042161 |
Ballast with arc protection circuit |
May. 9, 2006 |
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