FR829923A - Lighting or irradiation device comprising a discharge tube in very high pressure mercury vapor - Google Patents

Lighting or irradiation device comprising a discharge tube in very high pressure mercury vapor

Info

Publication number: FR829923A
Authority: FR; France
Prior art keywords: lighting; high pressure; discharge tube; irradiation device; pressure mercury
Prior art date: 1936-11-27
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.)

1936-11-27

Filing date

1937-11-26

Publication date

1938-07-11

1937-11-26 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1938-07-11 Application granted granted Critical

1938-07-11 Publication of FR829923A publication Critical patent/FR829923A/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
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/822—High-pressure mercury lamps

FR829923D 1936-11-27 1937-11-26 Lighting or irradiation device comprising a discharge tube in very high pressure mercury vapor Expired FR829923A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE488352X		1936-11-27

Publications (1)

Publication Number	Publication Date
FR829923A true FR829923A (en)	1938-07-11

Family

ID=6543785

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR829923D Expired FR829923A (en)	1936-11-27	1937-11-26	Lighting or irradiation device comprising a discharge tube in very high pressure mercury vapor

Country Status (5)

Country	Link
US (1)	US2223470A (en)
BE (1)	BE424837A (en)
FR (1)	FR829923A (en)
GB (1)	GB488352A (en)
NL (1)	NL50120C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2595520A (en) *	1947-03-26	1952-05-06	John J Guerin	Enclosed fluorescent lighting device
DE1002725B (en) *	1954-06-26	1957-02-21	Wirth Arno H Fa	Device for electrostatic flocking against gravity
US3219810A (en) *	1961-08-10	1965-11-23	Inland Steel Products Company	Light transmitting and heat transferring apparatus
GB1515086A (en) *	1975-05-22	1978-06-21	Sun Chemical Corp	Ultraviolet lamp assembly

0
- BE BE424837D patent/BE424837A/xx unknown
- NL NL50120D patent/NL50120C/xx active
1937
- 1937-11-16 US US174860A patent/US2223470A/en not_active Expired - Lifetime
- 1937-11-24 GB GB32408/37A patent/GB488352A/en not_active Expired
- 1937-11-26 FR FR829923D patent/FR829923A/en not_active Expired

Also Published As

Publication number	Publication date
BE424837A (en)
US2223470A (en)	1940-12-03
NL50120C (en)
GB488352A (en)	1938-07-05

Similar Documents

Publication	Publication Date	Title
FR809778A (en)	1937-03-10	High pressure mercury vapor discharge tube
FR829923A (en)	1938-07-11	Lighting or irradiation device comprising a discharge tube in very high pressure mercury vapor
FR47662E (en)	1937-06-16	Mercury vapor discharge tube with artificial cooling
FR786388A (en)	1935-09-02	Mercury vapor discharge tube with artificial cooling
FR826011A (en)	1938-03-21	Metal vapor discharge tube
FR834481A (en)	1938-11-22	Device for adjusting the gas pressure in a tube filled with gas, in particular in a light tube
FR833498A (en)	1938-10-21	Lighting or irradiation apparatus comprising a discharge tube cooled by a liquid and containing metallic vapor under high pressure
FR826401A (en)	1938-03-31	Lighting or irradiation device comprising a metal vapor discharge tube under high pressure
FR822212A (en)	1937-12-23	Lighting device comprising a discharge tube filled with high pressure mercury vapor and artificially cooled
FR776078A (en)	1935-01-16	Two-cylinder fluid brake
FR829884A (en)	1938-07-08	High pressure mercury vapor discharge tube, artificially cooled
FR811055A (en)	1937-04-06	Discharge tube
FR873568A (en)	1942-07-13	Device comprising a high pressure metal vapor discharge tube and a reflector
FR790591A (en)	1935-11-23	High pressure discharge tube
FR808321A (en)	1937-02-03	Lighting or irradiation device comprising a liquid-cooled high pressure vapor atmosphere discharge tube
FR837795A (en)	1939-02-20	Tubular lighting or irradiation apparatus comprising one or more gas-filled discharge tubes
FR850618A (en)	1939-12-21	High pressure mercury vapor lamp or tube
FR824625A (en)	1938-02-11	Ignition device for discharge tubes, comprising a mercury cathode
FR790822A (en)	1935-11-28	Autonomous lighting devices using very high pressure compressed gases
FR824740A (en)	1938-02-15	Method and device for lighting with high pressure metal vapor arc lamps
FR813644A (en)	1937-06-05	Lighting improvements with mercury vapor lamps
FR813214A (en)	1937-05-28	High pressure mercury tube
FR787560A (en)	1935-09-25	Gas discharge device
FR803474A (en)	1936-10-01	Discharge tube filled with gas and / or vapor
FR804768A (en)	1936-11-02	Device comprising a mercury vapor electric discharge tube and a red fluorescence layer