Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JULES HIPPOLYTE PETIT
LEGER BOYER
Original Assignee
JULES HIPPOLYTE PETIT
LEGER BOYER
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JULES HIPPOLYTE PETIT, LEGER BOYERfiledCriticalJULES HIPPOLYTE PETIT
Application grantedgrantedCritical
Publication of FR423736ApublicationCriticalpatent/FR423736A/fr
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
H05B39/10—Circuits providing for substitution of the light source in case of its failure
H05B39/105—Circuits providing for substitution of the light source in case of its failure with a spare lamp in the circuit, and a possibility of shunting a failed lamp
FR423736D1910-11-241910-11-24Perfectionnements apportés aux lampes électriques à incandescence
ExpiredFR423736A
(fr)