Patents-Review.com
ClassID:

233212 ⎘

H05B39/02 - CPC Classification

Classification description:

Circuit arrangements or apparatus for operating incandescent light sources Switching on, e.g. with predetermined rate of increase of lighting current

Recent Application in this class:
#1
20210270875
2021-09-02

Adaptive connection of resistive elements and temperature-dependent resistive elements

 #2
20210262646
2021-08-26

Dimming track lamp

 #3
20200187320
2020-06-11

Focus pluggable interface control device

 #4
20190274209
2019-09-05

VEHICULAR LIGHTING DEVICE

 #5
20190191536
2019-06-20

Selective power supply device for incandescent lamp or light-emitting diode

 #6
20190122834
2019-04-25

Intelligent electrical switch

 #7
20180310390
2018-10-25

Selective power supply device for incandescent lamp or light-emitting diode

 #8
20180188706
2018-07-05

Faceplate switch

 #9
20180063918
2018-03-01

Lighting device and vehicle

 #10
20180014395
2018-01-11

Vehicular lighting device

 #11
20170208674
2017-07-20

Power efficient line synchronized dimmer

 #12
20170042006
2017-02-09

Liquid filament for incandescent lights

 #13
20160351132
2016-12-01

Light emitting diode driver circuit, display apparatus including the same, and method for driving light emitting diode

 #14
20160189906
2016-06-30

Liquid filament for incandescent lights

 #15
20130044524
2013-02-21

Protection circuit in TRIAC applications

 #16
20120133296
2012-05-31

Circuitry for portable lighting devices and portable rechargeable electronic devices

 #17
20120119678
2012-05-17

Method for driving a PTC electrical load element

 #18
20120098505
2012-04-26

Methods and apparatuses for phase-cut dimming at low conduction angles

 #19
20110254451
2011-10-20

APPARATUS AND METHOD FOR PREVENTING LAMP DAMAGE IN RAPID HEAT TREATMENT EQUIPMENT

 #20
20110140636
2011-06-16

System and method for providing a control signal

 #21
20110018362
2011-01-27

Method and device for operating a circuit arrangement

 #22
20100301775
2010-12-02

Gradual Power Reduction Circuit

 #23
20100207541
2010-08-19

Electrical device for end user control of electrical power and lighting characteristics

 #24
20090243582
2009-10-01

Phase-cut dimming circuit

 #25
20090184649
2009-07-23

CURRENT BREAKING CONTROLLER FOR A LAMP AND LANTERN

 #26
20090167265
2009-07-02

Current zero crossing detector in a dimmer circuit

 #27
20090102400
2009-04-23

Method for driving a PTC electrical load element

 #28
20080246409
2008-10-09

Power supply for halogen lamp having an inverter and output circuit

 #29
20080218101
2008-09-11

Soft start control circuit for lighting

 #30
20080203942
2008-08-28

Current driver circuit and method of operation therefor

 #31
20070285028
2007-12-13

Controllable power supply circuit for an illumination system and methods of operation thereof

 #32
20070247072
2007-10-25

Illumination device

 #33
20070181812
2007-08-09

Radiation source for a sensor arrangement with making current limitation

 #34
20070069658
2007-03-29

Basic halogen convertor IC

 #35
20060261852
2006-11-23

Variable drive module for driving a load

 #36
20060238131
2006-10-26

Power supply control apparatus for heater of fixing unit

 #37
20060193128
2006-08-31

Circuitry for portable lighting devices and portable rechargeable electronic devices

 #38
20050151488
2005-07-14

Method of soft-starting a switching power supply including pulse width modulation circuit

 #39
20050151487
2005-07-14

Method of soft-starting a switching power supply containing phase-control clipping circuit

 #40
20050061797
2005-03-24

Lamp control method and method of controlling fixing device of image forming apparatus by using the lamp control method