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.)
Expired
Application number
GB32392/36A
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.)
Hanovia Chemical and Manufacturing Co
Original Assignee
Hanovia Chemical and Manufacturing Co
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 Hanovia Chemical and Manufacturing CofiledCriticalHanovia Chemical and Manufacturing Co
Publication of GB468822ApublicationCriticalpatent/GB468822A/en
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
H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
H05B41/02—Details
H05B41/04—Starting switches
Landscapes
Discharge Lamps And Accessories Thereof
(AREA)
Abstract
468,822. Discharge apparatus. HANOVIA CHEMICAL & MANUFACTURING CO. Nov. 26, 1936, No. 32392. Convention date, May 23. [Class 39 (i)] Automatic starting means for a gas- or vapour-filled tube such as a lamp 6, which is connected in series with a ballast impedance 5, comprises a two-way electromagnetic switch 13, the winding 14 of which, when not energized, is connected in series with a condenser 9 across the tube, and, when energized, is connected in series with a condenser 10 across the impedance 5.
GB32392/36A1936-05-231936-11-26Improvement in starting circuit for gas or vapour filled electric discharge devices
ExpiredGB468822A
(en)