FR810098A - Electric vapor discharge lamp with rare gas base filling - Google Patents

Electric vapor discharge lamp with rare gas base filling

Info

Publication number: FR810098A
Authority: FR; France
Prior art keywords: discharge lamp; rare gas; vapor discharge; gas base; base filling
Prior art date: 1935-08-29
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.)

Osa Participations Industrielles SA

Original Assignee

Osa Participations Industrielles SA

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.)

1935-08-29

Filing date

1936-08-06

Publication date

1937-03-15

1936-08-06 Application filed by Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA

1936-09-25 Priority claimed from GB2605836A external-priority patent/GB476833A/en

1937-03-15 Application granted granted Critical

1937-03-15 Publication of FR810098A publication Critical patent/FR810098A/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
- H01J61/84—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
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/32—Seals for leading-in conductors

FR810098D 1935-08-29 1936-08-06 Electric vapor discharge lamp with rare gas base filling Expired FR810098A (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DEP71723D DE646241C (en)	1935-08-29	1935-08-29	Electric mercury vapor discharge lamp with a noble gas base filling, the operating vapor pressure of which is more than 20 atmospheres
DE2135734X		1936-09-15
GB2605836A GB476833A (en)	1936-09-25	1936-09-25	Improvements in or relating to high-pressure metal-vapour electric discharge lamps
DE2135661X		1937-01-15

Publications (1)

Publication Number	Publication Date
FR810098A true FR810098A (en)	1937-03-15

Family

ID=32045958

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR810098D Expired FR810098A (en)	1935-08-29	1936-08-06	Electric vapor discharge lamp with rare gas base filling
FR48790D Expired FR48790E (en)	1935-08-29	1937-09-15	Electric mercury vapor discharge lamp with rare gas base filling

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR48790D Expired FR48790E (en)	1935-08-29	1937-09-15	Electric mercury vapor discharge lamp with rare gas base filling

Country Status (5)

Country	Link
US (3)	US2103041A (en)
DE (1)	DE646241C (en)
FR (2)	FR810098A (en)
GB (3)	GB456608A (en)
NL (1)	NL48532C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE875687C (en) *	1938-10-05	1953-05-04	Electricitaets Ges Sanitas M B	Arrangement for operating a high-pressure mercury vapor lamp with a basic gas filling, non-activated incandescent cathodes heated by the discharge and an elongated arc
US2567491A (en) *	1943-12-29	1951-09-11	Mitchell John Wesley	Luminous discharge tube
US2545884A (en) *	1946-01-18	1951-03-20	Gen Electric	High-pressure mercury vapor electric discharge lamp
US2518944A (en) *	1948-02-13	1950-08-15	Gen Electric	Electric discharge device seal
US2716713A (en) *	1950-03-22	1955-08-30	Gen Electric	Cold electrode pulse lamp structure
US2707247A (en) *	1951-06-05	1955-04-26	Hanovia Chemical & Mfg Co	Vapor electric discharge lamp
GB835183A (en) *	1957-05-07	1960-05-18	Philips Electrical Ind Ltd	Improvements in or relating to low-pressure mercury vapour discharge tubes
US2939985A (en) *	1957-10-09	1960-06-07	Philips Corp	Low-pressure mercury vapour discharge tube
US3219870A (en) *	1963-06-14	1965-11-23	Gen Electric	High pressure discharge lamps seal and base
US3293493A (en) *	1963-09-25	1966-12-20	Gen Electric	Light source for color synthesis
US4202999A (en) *	1978-04-11	1980-05-13	General Electric Company	Fused silica lamp envelope and seal
DE2833896A1 (en) *	1978-08-02	1980-02-21	Patra Patent Treuhand	MELTING DOWN FOR ELECTRIC LAMPS
GB2105904B (en) *	1981-09-04	1985-10-23	Emi Plc Thorn	High pressure discharge lamps
US5312472A (en) *	1992-09-23	1994-05-17	Spectra-Physics Lasers, Inc.	Method for manufacturing resonant cavity for laser

1935
- 1935-08-29 DE DEP71723D patent/DE646241C/en not_active Expired
- 1935-09-06 GB GB24877/35A patent/GB456608A/en not_active Expired
1936
- 1936-01-22 GB GB2045/36A patent/GB468643A/en not_active Expired
- 1936-07-21 GB GB20178/36A patent/GB478368A/en not_active Expired
- 1936-08-06 FR FR810098D patent/FR810098A/en not_active Expired
- 1936-08-10 NL NL78875A patent/NL48532C/xx active
- 1936-08-21 US US97278A patent/US2103041A/en not_active Expired - Lifetime
1937
- 1937-01-11 US US120066A patent/US2135661A/en not_active Expired - Lifetime
- 1937-09-13 US US163700A patent/US2135734A/en not_active Expired - Lifetime
- 1937-09-15 FR FR48790D patent/FR48790E/en not_active Expired

Also Published As

Publication number	Publication date
GB478368A (en)	1938-01-18
US2135661A (en)	1938-11-08
GB456608A (en)	1936-11-12
US2135734A (en)	1938-11-08
DE646241C (en)	1937-06-14
US2103041A (en)	1937-12-21
NL48532C (en)	1940-06-15
FR48790E (en)	1938-06-23
GB468643A (en)	1937-07-09

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