FR866729A - Nouvelles lampes à décharge - Google Patents

Nouvelles lampes à décharge

Info

Publication number: FR866729A
Authority: FR; France
Prior art keywords: discharge lamps; new discharge; new; lamps; discharge
Prior art date: 1939-06-21
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.)

Compagnie des Lampes

Original Assignee

Compagnie des Lampes

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.)

1939-06-21

Filing date

1940-08-12

Publication date

1941-08-30

1940-08-12 Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes

1941-08-30 Application granted granted Critical

1941-08-30 Publication of FR866729A publication Critical patent/FR866729A/fr

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

FR866729D 1939-06-21 1940-08-12 Nouvelles lampes à décharge Expired FR866729A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US280334A US2241968A (en)	1939-06-21	1939-06-21	Light source

Publications (1)

Publication Number	Publication Date
FR866729A true FR866729A (fr)	1941-08-30

Family

ID=23072641

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR866729D Expired FR866729A (fr)	1939-06-21	1940-08-12	Nouvelles lampes à décharge

Country Status (3)

Country	Link
US (1)	US2241968A (fr)
FR (1)	FR866729A (fr)
GB (1)	GB539691A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2456854A (en) *	1943-06-19	1948-12-21	Westinghouse Electric Corp	High-pressure modulator tube
US2432051A (en) *	1944-05-19	1947-12-02	Vang Alfred	Mercury tube and circuit therefor
NL144070C (fr) *	1948-02-27
US2774013A (en) *	1949-04-07	1956-12-11	Gen Electric	Electric discharge lamp
US2625671A (en) *	1949-07-19	1953-01-13	Krefft Hermann Eduard	Electrical discharge lamp
US2675496A (en) *	1949-08-31	1954-04-13	Westinghouse Electric Corp	High-pressure discharge lamp and seal therefor
GB676143A (en) *	1950-03-03	1952-07-23	British Thomson Houston Co Ltd	Improvements in electric discharge lamps
US2728877A (en) *	1951-06-19	1955-12-27	Heinz F Fischer	Apparatus for obtaining extremely high temperatures
US2900552A (en) *	1955-05-19	1959-08-18	Willis A Pennow	Gaseous electric discharge lamp
US2974249A (en) *	1958-01-28	1961-03-07	Duro Test Corp	Xenon short arc lamps
GB950475A (en) *	1958-11-19	1964-02-26	Ass Elect Ind	Improvements in electric discharge lamps
NL269416A (fr) *	1960-09-21
US3304457A (en) *	1961-09-21	1967-02-14	Trw Inc	High intensity light source
US3515935A (en) *	1967-05-31	1970-06-02	Us Navy	Triggered spark transmitter device
US3581140A (en) *	1968-06-11	1971-05-25	Varo	High intensity light source with integral radiant-energy-coupling apparatus
JPS4810585B1 (fr) *	1968-06-29	1973-04-04
NL150618C (fr) *	1970-04-03
US3780328A (en) *	1971-12-30	1973-12-18	Electronic Control & Surveilla	Lighting unit for use underwater and in wet environment
NL8320205A (nl) *	1983-06-03	1985-05-01	Gravure Res Inst	Rastergravure-graveersysteem voor elektromechanische graveerinrichtingen.
US4770310A (en) *	1983-07-05	1988-09-13	Futaba Denshi Kogyo K.K.	Casing for display device
US4877991A (en) *	1987-12-21	1989-10-31	Colterjohn Jr Walter L	Optical radiation source
JP7044954B1 (ja) *	2020-12-21	2022-03-30	浜松ホトニクス株式会社	発光封体及び光源装置
US11862922B2 (en)	2020-12-21	2024-01-02	Energetiq Technology, Inc.	Light emitting sealed body and light source device

1939
- 1939-06-21 US US280334A patent/US2241968A/en not_active Expired - Lifetime
1940
- 1940-06-21 GB GB10668/40A patent/GB539691A/en not_active Expired
- 1940-08-12 FR FR866729D patent/FR866729A/fr not_active Expired

Also Published As

Publication number	Publication date
GB539691A (en)	1941-09-19
US2241968A (en)	1941-05-13

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