CH208437A - Electric incandescent lamp with a nitrogen gas filling. - Google Patents

Electric incandescent lamp with a nitrogen gas filling.

Info

Publication number
CH208437A
CH208437A CH208437DA CH208437A CH 208437 A CH208437 A CH 208437A CH 208437D A CH208437D A CH 208437DA CH 208437 A CH208437 A CH 208437A
Authority
CH
Switzerland
Prior art keywords
nitrogen gas
incandescent lamp
gas filling
electric incandescent
electric
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH208437A publication Critical patent/CH208437A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/52Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
CH208437D 1937-11-02 1938-10-31 Electric incandescent lamp with a nitrogen gas filling. CH208437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL208437X 1937-11-02

Publications (1)

Publication Number Publication Date
CH208437A true CH208437A (en) 1940-01-31

Family

ID=19778687

Family Applications (1)

Application Number Title Priority Date Filing Date
CH208437D CH208437A (en) 1937-11-02 1938-10-31 Electric incandescent lamp with a nitrogen gas filling.

Country Status (7)

Country Link
US (1) US2203897A (en)
BE (1) BE430899A (en)
CH (1) CH208437A (en)
DE (1) DE711881C (en)
FR (1) FR845482A (en)
GB (1) GB520835A (en)
NL (1) NL51546C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455394A (en) * 1943-06-29 1948-12-07 Sperry Corp Accelerometer
US2462837A (en) * 1945-10-08 1949-03-01 Tung Sol Lamp Works Inc Incandescent lamp
US2489261A (en) * 1948-04-15 1949-11-29 Tung Sol Lamp Works Inc Metallic filament incandescent electric lamp and the manufacture thereof
DE1015145B (en) * 1953-12-05 1957-09-05 Egyesuelt Izzolampa Gas-filled electric incandescent lamp, in particular gas-filled incandescent lamp provided with a screen, e.g. Car lamp, and a specific getter
US3519864A (en) * 1966-12-29 1970-07-07 Sylvania Electric Prod High pressure electric discharge device with barium peroxide getter and getter mounting structure

Also Published As

Publication number Publication date
NL51546C (en)
US2203897A (en) 1940-06-11
BE430899A (en)
FR845482A (en) 1939-08-24
GB520835A (en) 1940-05-06
DE711881C (en) 1941-10-08

Similar Documents

Publication Publication Date Title
CH208437A (en) Electric incandescent lamp with a nitrogen gas filling.
CH208438A (en) Electric light bulb with a 4 atm. excess operating pressure.
CH206539A (en) Electric incandescent lamp with an operating pressure greater than one atmosphere.
CH204632A (en) Electric light bulb.
CH208845A (en) Electric tubular lamp with two bases.
CH212051A (en) Gas-filled electric incandescent lamp with a double-helical incandescent body.
DK57962C (en) Electric Incandescent lamp with nitrogen-containing Gaseous filling.
CH206309A (en) Electric gas-filled incandescent lamp.
ES143869A1 (en) An electric incandescent lamp filled with gas.
ES136749A1 (en) An incandescent electric lamp with gaseous filling.
FR840688A (en) Base for incandescent electric lamps
ES146380A1 (en) An electric incandescent lamp filled with gas.
ES144987A1 (en) An electric incandescent lamp filled with gas.
ES144104A1 (en) An incandescent electric lamp filled with gas.
CH205006A (en) Electric light bulb.
DK54768C (en) Tubular Electric Incandescent Lamp with Gaseous Filling.
CH205004A (en) Electric incandescent lamp with an operating pressure greater than five atmospheres.
ES137321A1 (en) Improvements in the filling procedures of electric incandescent lamps with a gaseous atmosphere.
IE15618L (en) Electric incandescent lamps
IE17362L (en) Electric incandescent lamps
IE14563L (en) Electric incandescent lamps
CH202656A (en) Electric mixed light lamp.
IE15627L (en) Electric discharge-electric incandescent lamp combination
DK57561C (en) Electric Incandescent Lamp with Fuse.
ES107995A3 (en) An incandescent lamp with a gaseous atmosphere.