FR819753A - Quartz electric discharge tube - Google Patents

Quartz electric discharge tube

Info

Publication number: FR819753A
Authority: FR; France
Prior art keywords: electric discharge; discharge tube; quartz electric; quartz; tube
Prior art date: 1936-03-27
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.)

1936-03-27

Filing date

1937-03-25

Publication date

1937-10-26

1937-03-25 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1937-10-26 Application granted granted Critical

1937-10-26 Publication of FR819753A publication Critical patent/FR819753A/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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/822—High-pressure mercury lamps

FR819753D 1936-03-27 1937-03-25 Quartz electric discharge tube Expired FR819753A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE467078X		1936-03-27

Publications (1)

Publication Number	Publication Date
FR819753A true FR819753A (en)	1937-10-26

Family

ID=6540647

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR819753D Expired FR819753A (en)	1936-03-27	1937-03-25	Quartz electric discharge tube

Country Status (4)

Country	Link
US (1)	US2176134A (en)
BE (1)	BE420764A (en)
FR (1)	FR819753A (en)
GB (1)	GB467078A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2433237A1 (en) *	1978-08-10	1980-03-07	Gen Electric	MINIATURE ARC LAMP AND METAL VAPOR

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2774013A (en) *	1949-04-07	1956-12-11	Gen Electric	Electric discharge lamp
US2687486A (en) *	1952-01-24	1954-08-24	Westinghouse Electric Corp	Gaseous discharge lamp
NL7011321A (en) *	1970-07-31	1972-02-02
US3883766A (en) *	1973-07-19	1975-05-13	Gte Sylvania Inc	Method of operating high-intensity arc discharge lamp
JPH0622110B2 (en) *	1984-02-14	1994-03-23	株式会社日立製作所	Discharge lamp

0
- BE BE420764D patent/BE420764A/xx unknown
1937
- 1937-03-17 US US131489A patent/US2176134A/en not_active Expired - Lifetime
- 1937-03-24 GB GB8733/37A patent/GB467078A/en not_active Expired
- 1937-03-25 FR FR819753D patent/FR819753A/en not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2433237A1 (en) *	1978-08-10	1980-03-07	Gen Electric	MINIATURE ARC LAMP AND METAL VAPOR

Also Published As

Publication number	Publication date
GB467078A (en)	1937-06-10
US2176134A (en)	1939-10-17
BE420764A (en)

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FR819753A - Quartz electric discharge tube - Google Patents

Info

Links

Classifications

Applications Claiming Priority (1)

Publications (1)

Family

ID=6540647

Family Applications (1)

Country Status (4)

Cited By (1)

Families Citing this family (5)

Cited By (1)

Also Published As

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