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Class Information
Number: 315/246
Name: Electric lamp and discharge devices: systems > Pulsating or a.c. supply
Description: Systems wherein the load devices in the system is supplied with either pulsating or alternating current or potential (but not both).










Sub-classes under this class:

Class Number Class Name Patents
315/268 Discharge control discharge device load 17
315/267 Electromagnetic influenced discharge device load 78
315/283 Inductance in the supply circuit 155
315/248 Induction-type discharge device load 673
315/287 Periodic-type current and/or voltage regulator in the supply circuit 222
315/260 Plural cathode and/or anode discharge device load 40
315/250 Plural load device systems 118
315/249 Potential node-type discharge device load 5
315/276 Transformer in the supply circuit 611
315/247 With power factor control device 811


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8692476 Boost circuit for LED backlight driver circuit Apr. 8, 2014
8686660 OLED with integrated delay structure Apr. 1, 2014
8686667 Lighting power source with controlled charging operation for driving capacitor Apr. 1, 2014
8686668 Current offset circuits for phase-cut power control Apr. 1, 2014
8680788 Semiconductor light-emiting element driver circuit and light fixture using the same Mar. 25, 2014
8680787 Load control device for a light-emitting diode light source Mar. 25, 2014
8680771 Controller customization system with phase cut angle communication customization data encoding Mar. 25, 2014
8680708 Electronic apparatus Mar. 25, 2014
8674619 High frequency power supply device Mar. 18, 2014
8664894 Method and device for driving a fluorescent lamp Mar. 4, 2014
8664872 Circuit arrangement for operating a discharge lamp Mar. 4, 2014
8659241 LED lamp Feb. 25, 2014
8648530 Amalgam temperature maintaining device for dimmable fluorescent lamps Feb. 11, 2014
8637876 Light emitting device and light emitting device package having the same Jan. 28, 2014
8637897 Semiconductor light emitting device having multi-cell array and method for manufacturing the same Jan. 28, 2014
8638044 Variable voltage control apparatus and lighting apparatus incorporating control apparatus Jan. 28, 2014
8632205 LED lighting module using AC power Jan. 21, 2014
8629625 Method and apparatus providing universal voltage input for solid state light fixtures Jan. 14, 2014
8629624 Method and apparatus for measuring operating characteristics in a load control device Jan. 14, 2014
8622575 Lighting apparatus Jan. 7, 2014
8624519 Variable load line gas curve intercept method to optimize system efficiency Jan. 7, 2014
8618745 Light emitting element drive apparatus and portable apparatus using same Dec. 31, 2013
8610365 Switching power converter input voltage approximate zero crossing determination Dec. 17, 2013
8604712 LED luminaires power supply Dec. 10, 2013
8598801 Electric supply device Dec. 3, 2013
8598799 Alternating current light emitting device Dec. 3, 2013
8598619 Semiconductor light emitting device having multi-cell array and method for manufacturing the same Dec. 3, 2013
8593076 Electronic dimming ballast having advanced boost converter control Nov. 26, 2013
8581506 Discharge lamp driving device and method, light source device, and image displaying apparatus Nov. 12, 2013
8581518 Triac dimmer compatible switching mode power supply and method thereof Nov. 12, 2013
8575850 System and method for supplying constant power to luminuous loads with power factor correction Nov. 5, 2013
8569966 Starting circuit for buck converter Oct. 29, 2013
8558469 Apparatus and method for driving fluorescent lamp Oct. 15, 2013
8558471 Light source device, projector, and driving method of discharge lamp Oct. 15, 2013
8558473 Light emitting device, light receiving system and image pickup system Oct. 15, 2013
8552656 AC light emitting device, driving device thereof, and driving method thereby Oct. 8, 2013
8547035 Dimmer adaptable to either two or three active wires Oct. 1, 2013
8547024 Efficient electrically-isolated power circuits with application to light sources Oct. 1, 2013
8541954 Light source apparatus Sep. 24, 2013
8541960 Rejecting noise transients while turning off a fluorescent lamp using a starter unit Sep. 24, 2013
8525428 Power supply apparatus and method for a backlight system Sep. 3, 2013
8525422 Backlight apparatus Sep. 3, 2013
8519633 Method for producing a control device for operating a radiation-emitting semiconductor component Aug. 27, 2013
8513893 High-pressure discharge lamp light-up device, high-pressure discharge lamp apparatus using same, projector using high-pressure discharge lamp apparatus, and light-up method for high-pressure d Aug. 20, 2013
8507875 Ultraviolet irradiation apparatus Aug. 13, 2013
8503500 Alternating current light emitting device Aug. 6, 2013
8502477 Dimmable power supply Aug. 6, 2013
8497621 Illuminating device with light buffer Jul. 30, 2013
8497640 Method for operating a fluorescent lamp Jul. 30, 2013
8493005 Luminaire system and method Jul. 23, 2013

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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