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Class Information
Number: 315/360
Name: Electric lamp and discharge devices: systems > Time-controlled
Description: Systems provided with a time controlled means for (1) supplying operating current or potential to the load device after a predetermined time lapse, or (2) supplying current or potential to the load device for a predetermined time, or (3) altering the flow of current or potential to the load device after a predetermined time, or (4) interrupting the supply of current or potential to the load device after a predetermined time lapse.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619447 |
High voltage high side transistor driver |
Nov. 17, 2009 |
| 7612505 |
Liquid crystal display backlight inverter |
Nov. 3, 2009 |
| 7605548 |
Electricity controller, device for lighting discharge tube, display device and electric power control method |
Oct. 20, 2009 |
| 7605792 |
Driving method and circuit for automatic voltage output of active matrix organic light emitting device and data drive circuit using the same |
Oct. 20, 2009 |
| 7598683 |
Control of light intensity using pulses of a fixed duration and frequency |
Oct. 6, 2009 |
| 7595490 |
Charged particle beam emitting device and method for operating a charged particle beam emitting device |
Sep. 29, 2009 |
| 7586274 |
LED light output linearization |
Sep. 8, 2009 |
| 7586273 |
Method and apparatus for achieving perceived light mixing via alternating different colored LEDS |
Sep. 8, 2009 |
| 7586271 |
Efficient lighting |
Sep. 8, 2009 |
| 7579786 |
Method, apparatus, and system for driving LED's |
Aug. 25, 2009 |
| 7573212 |
Automatic power control module for battery powered devices |
Aug. 11, 2009 |
| 7560878 |
Circuit arrangement and method for operating high-pressure discharge lamps |
Jul. 14, 2009 |
| 7560880 |
Control device for work lamp |
Jul. 14, 2009 |
| 7557524 |
Lighting device |
Jul. 7, 2009 |
| 7557522 |
Preheat control device for modulating voltage of gas-discharge lamp |
Jul. 7, 2009 |
| 7557523 |
Discharge lamp lighting device, and lighting equipment and lighting system using the device |
Jul. 7, 2009 |
| 7548031 |
Lighting apparatus for discharge lamp |
Jun. 16, 2009 |
| 7544951 |
Electron gun assembly |
Jun. 9, 2009 |
| 7541750 |
DC to DC converter with load open detection and related method thereof |
Jun. 2, 2009 |
| 7541744 |
Electronic ballast for a high-pressure discharge lamp having a current-measuring device |
Jun. 2, 2009 |
| 7541751 |
Soft start control circuit for lighting |
Jun. 2, 2009 |
| 7535184 |
Photopolymerization apparatus |
May. 19, 2009 |
| 7528553 |
Lighting control apparatus for vehicle lighting device |
May. 5, 2009 |
| 7525261 |
Circuit arrangement for operating a high pressure discharge lamp |
Apr. 28, 2009 |
| 7521877 |
Dimmer circuit for a discharge lighting apparatus |
Apr. 21, 2009 |
| 7518321 |
Luminance adjusting device |
Apr. 14, 2009 |
| 7474063 |
Anti-cycling control system for luminaires |
Jan. 6, 2009 |
| 7471050 |
Organic EL drive circuit and organic EL display device |
Dec. 30, 2008 |
| 7471287 |
Light source driving circuit for driving light emitting diode components and driving method thereof |
Dec. 30, 2008 |
| 7462992 |
Starter circuit having regulated starter voltage |
Dec. 9, 2008 |
| 7459867 |
Program start ballast |
Dec. 2, 2008 |
| 7456590 |
Vehicular lamp |
Nov. 25, 2008 |
| 7453219 |
Method and apparatus for controlling illumination of a display in a portable wireless communication device |
Nov. 18, 2008 |
| 7449840 |
Ignitor turn-off switch for HID ballasts |
Nov. 11, 2008 |
| 7449847 |
Systems and methods for synchronizing lighting effects |
Nov. 11, 2008 |
| 7439690 |
Discharge lamp lighting apparatus and discharge lamp lighting method |
Oct. 21, 2008 |
| 7436134 |
Cyclical, aquarium and terrarium light |
Oct. 14, 2008 |
| 7436123 |
Discharge lamp ballast device and lighting appliance |
Oct. 14, 2008 |
| 7432660 |
IC-based low cost reliable electronic ballast with multiple striking attempts and end of lamp life protection |
Oct. 7, 2008 |
| 7432662 |
Circuit arrangement and method for operating at least one lamp |
Oct. 7, 2008 |
| 7429829 |
Discharge lamp lighting circuit with an open protection circuit |
Sep. 30, 2008 |
| 7425804 |
Lamp drive device of projector |
Sep. 16, 2008 |
| 7425802 |
Discharge lamp lighting apparatus, luminaire and illumination system |
Sep. 16, 2008 |
| 7420338 |
Ballast control IC with minimal internal and external components |
Sep. 2, 2008 |
| 7414372 |
Dimming ballast control circuit |
Aug. 19, 2008 |
| 7405522 |
Multiple failure detection shutdown protection circuit for an electronic ballast |
Jul. 29, 2008 |
| 7405524 |
Light management system device and method |
Jul. 29, 2008 |
| 7402962 |
System and methods of driving an electroluminescent lamp |
Jul. 22, 2008 |
| 7400100 |
Discharge-lamp lighting apparatus and projector |
Jul. 15, 2008 |
| 7397194 |
Auxiliary quartz lamp lighting system for high intensity discharge lamp ballasts |
Jul. 8, 2008 |
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