NL36524C - - Google Patents

Info

Publication number: NL36524C
Authority: NL; Netherlands

Application number

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.)

1931-05-19

Publication of NL36524C publication Critical patent/NL36524C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
- H—ELECTRICITY
- 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
- H05B31/00—Electric arc lamps
- H05B31/0018—Electric arc lamps in a closed vessel
- H05B31/0027—Electric arc lamps in a closed vessel with special gasfilling

NL36524D 1931-05-19 NL36524C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US538530A US2081776A (en)	1931-05-19	1931-05-19	Enclosed arc device

Publications (1)

Publication Number	Publication Date
NL36524C true NL36524C (enrdf_load_html_response)

Family

ID=24147282

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL36524D NL36524C (enrdf_load_html_response)	1931-05-19

Country Status (4)

Country	Link
US (1)	US2081776A (enrdf_load_html_response)
DE (1)	DE576935C (enrdf_load_html_response)
GB (1)	GB398290A (enrdf_load_html_response)
NL (1)	NL36524C (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3522654A1 (de) *	1985-01-21	1987-01-08	Paul Prof Dr Schulz	Gluehlampen hoher lichtausbeute und gluehlampen mit bogenentladungen
US4939417A (en) *	1988-12-20	1990-07-03	Gte Products Corporation	High pressure discharge lamp with incandescent filament for starting

0
- NL NL36524D patent/NL36524C/xx active
1931
- 1931-05-19 US US538530A patent/US2081776A/en not_active Expired - Lifetime
- 1931-09-04 DE DEP63850D patent/DE576935C/de not_active Expired
1932
- 1932-05-17 GB GB14051/32A patent/GB398290A/en not_active Expired

Also Published As

Publication number	Publication date
US2081776A (en)	1937-05-25
GB398290A (en)	1933-09-14
DE576935C (de)	1933-05-19

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