FR1141789A - Low pressure arc discharge tube - Google Patents

Low pressure arc discharge tube

Info

Publication number: FR1141789A
Authority: FR; France
Prior art keywords: low pressure; discharge tube; arc discharge; pressure arc; tube
Prior art date: 1955-02-26
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.)

1955-02-26

Filing date

1956-02-24

Publication date

1957-09-09

1956-02-24 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1957-09-09 Application granted granted Critical

1957-09-09 Publication of FR1141789A publication Critical patent/FR1141789A/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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps

FR1141789D 1955-02-26 1956-02-24 Low pressure arc discharge tube Expired FR1141789A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL339289X		1955-02-26

Publications (1)

Publication Number	Publication Date
FR1141789A true FR1141789A (en)	1957-09-09

Family

ID=19784645

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1141789D Expired FR1141789A (en)	1955-02-26	1956-02-24	Low pressure arc discharge tube

Country Status (6)

Country	Link
US (1)	US2890364A (en)
BE (1)	BE545577A (en)
CH (1)	CH339289A (en)
DE (1)	DE1009303B (en)
FR (1)	FR1141789A (en)
GB (1)	GB790959A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1218608B (en) *	1957-10-09	1966-06-08	Philips Nv	Low pressure mercury vapor discharge lamp
DE1128566B (en) *	1961-02-23	1962-04-26	Licentia Gmbh	Gas or vapor filled discharge tubes with shielded oxide glow cathode
GB2126006B (en) *	1982-08-19	1985-11-27	Gen Electric Co Plc	Cathodoluminescent light sources

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2283216A (en) *	1941-07-19	1942-05-19	Hygrade Sylvania Corp	Cathode for discharge tubes
US2403184A (en) *	1942-12-26	1946-07-02	Gen Electric	Electric discharge lamp
US2549355A (en) *	1948-02-28	1951-04-17	Gen Electric	Fluorescent lamp
US2662823A (en) *	1950-07-26	1953-12-15	F H Snow Canning Company Inc	Method of soup canning

0
- BE BE545577D patent/BE545577A/xx unknown
1956
- 1956-02-17 US US566256A patent/US2890364A/en not_active Expired - Lifetime
- 1956-02-22 DE DEN11874A patent/DE1009303B/en active Pending
- 1956-02-23 GB GB5645/56A patent/GB790959A/en not_active Expired
- 1956-02-24 CH CH339289D patent/CH339289A/en unknown
- 1956-02-24 FR FR1141789D patent/FR1141789A/en not_active Expired

Also Published As

Publication number	Publication date
BE545577A (en)
GB790959A (en)	1958-02-19
CH339289A (en)	1959-06-30
US2890364A (en)	1959-06-09
DE1009303B (en)	1957-05-29

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