FR983148A - Gas and / or vapor discharge lamp - Google Patents

Gas and / or vapor discharge lamp

Info

Publication number: FR983148A
Authority: FR; France
Prior art keywords: gas; discharge lamp; vapor discharge; vapor; lamp
Prior art date: 1948-03-16
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

Other languages

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken 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.)

1948-03-16

Filing date

1949-03-14

Publication date

1951-06-19

1949-03-14 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1951-06-19 Application granted granted Critical

1951-06-19 Publication of FR983148A publication Critical patent/FR983148A/en

Status Expired legal-status Critical Current

Classifications

- 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
- H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel

FR983148D 1948-03-16 1949-03-14 Gas and / or vapor discharge lamp Expired FR983148A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL279459X		1948-03-16

Publications (1)

Publication Number	Publication Date
FR983148A true FR983148A (en)	1951-06-19

Family

ID=19782239

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR983148D Expired FR983148A (en)	1948-03-16	1949-03-14	Gas and / or vapor discharge lamp

Country Status (6)

Country	Link
BE (1)	BE487890A (en)
CH (1)	CH279459A (en)
DE (1)	DE813059C (en)
FR (1)	FR983148A (en)
GB (1)	GB681355A (en)
NL (2)	NL72265C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE928188C (en) *	1951-10-13	1955-05-26	Philips Nv	Process for the production of a ring-shaped discharge vessel and ring-shaped discharge lamp produced according to this process
JPS5611358Y1 (en) *	1978-08-08	1981-03-13

0
- NL NL666617280A patent/NL139415B/en unknown
- BE BE487890D patent/BE487890A/xx unknown
- NL NL72265D patent/NL72265C/xx active
1949
- 1949-03-11 GB GB6740/49A patent/GB681355A/en not_active Expired
- 1949-03-14 CH CH279459D patent/CH279459A/en unknown
- 1949-03-14 FR FR983148D patent/FR983148A/en not_active Expired
- 1949-03-15 DE DEP36801D patent/DE813059C/en not_active Expired

Also Published As

Publication number	Publication date
BE487890A (en)
NL72265C (en)
GB681355A (en)	1952-10-22
CH279459A (en)	1951-11-30
NL139415B (en)
DE813059C (en)	1951-09-06

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