CH205004A - Electric incandescent lamp with an operating pressure greater than five atmospheres. - Google Patents

Electric incandescent lamp with an operating pressure greater than five atmospheres.

Info

Publication number
CH205004A
CH205004A CH205004DA CH205004A CH 205004 A CH205004 A CH 205004A CH 205004D A CH205004D A CH 205004DA CH 205004 A CH205004 A CH 205004A
Authority
CH
Switzerland
Prior art keywords
atmospheres
operating pressure
incandescent lamp
pressure greater
electric incandescent
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 CH205004A publication Critical patent/CH205004A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
CH205004D 1937-06-12 1938-06-10 Electric incandescent lamp with an operating pressure greater than five atmospheres. CH205004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL205004X 1937-06-12

Publications (1)

Publication Number Publication Date
CH205004A true CH205004A (en) 1939-05-31

Family

ID=19778508

Family Applications (1)

Application Number Title Priority Date Filing Date
CH205004D CH205004A (en) 1937-06-12 1938-06-10 Electric incandescent lamp with an operating pressure greater than five atmospheres.

Country Status (7)

Country Link
US (1) US2211597A (en)
BE (1) BE428541A (en)
CH (1) CH205004A (en)
DE (1) DE707824C (en)
FR (1) FR839169A (en)
GB (1) GB512083A (en)
NL (1) NL52995C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435272A (en) * 1966-07-15 1969-03-25 Gen Electric Tubular halogen cycle incandescent lamp with inner cylinder for universal operation

Also Published As

Publication number Publication date
DE707824C (en) 1941-07-04
US2211597A (en) 1940-08-13
GB512083A (en) 1939-08-29
BE428541A (en)
FR839169A (en) 1939-03-28
NL52995C (en)

Similar Documents

Publication Publication Date Title
CH237702A (en) Electric selector.
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.
CH205004A (en) Electric incandescent lamp with an operating pressure greater than five atmospheres.
CH208437A (en) Electric incandescent lamp with a nitrogen gas filling.
CH204632A (en) Electric light bulb.
CH216821A (en) Electric table irradiation lamp.
CH245531A (en) Electric lamp.
CH205008A (en) Electric high pressure metal halide lamp.
CH205006A (en) Electric light bulb.
CH206309A (en) Electric gas-filled incandescent lamp.
CH202656A (en) Electric mixed light lamp.
CH195905A (en) Electric hotplate.
CH195907A (en) Electric hotplate.
CH216061A (en) Electric low pressure fluorescent tube.
AT155603B (en) Electric light bulb.
CH195903A (en) Electric high-performance hotplate.
DK58249C (en) Electric Incandescent lamp whose Operating Pressure exceeds 4 Atmospheres.
CH203542A (en) Electric cathode glow lamp of dwarf lamp size.
AT158018B (en) Electric hotplate.
CH195910A (en) Electric hotplate.
CH195909A (en) Electric hotplate.
CH195908A (en) Electric hotplate.
CH195906A (en) Electric hotplate.
CH195904A (en) Electric hotplate.