H05B39/10 - CPC Classification Index

ClassID:

233228 ⎘

H05B39/10 - CPC Classification

Classification description:

Circuit arrangements or apparatus for operating incandescent light sources Circuits providing for substitution of the light source in case of its failure

Sub-classes:

H05B39/105 » {with a spare lamp in the circuit, and a possibility of shunting a failed lamp } 31

Recent Application in this class:

20210070330

2021-03-11

LAMP ASSEMBLY, LAMP SYSTEM AND METHOD FOR OPERATING A LAMP SYSTEM

20100052535

2010-03-04

MINIATURE LIGHT BULB FOR RANDOM HIGH-LOW TWINKLE IN A SERIES-WIRED LIGHT STRING

20090039794

2009-02-12

MINIATURE LIGHT BULB FOR RANDOM HIGH-LOW TWINKLE IN SERIES-WIRED LIGHT STRING

20080129213

2008-06-05

Flasher bulbs with shunt wiring for use in series connected light string with filament shunting in bulb sockets

20080030723

2008-02-07

Process and device for monitoring the illumination of lamp bulbs

20070057803

2007-03-15

Projection television receiver having a projection lamp life indicator

20070007911

2007-01-11

High-reliability light fixture and method