FR789000A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number: FR789000A
Authority: FR; France
Prior art keywords: electric discharge; discharge tube; tube; electric; discharge
Prior art date: 1934-04-19
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.)

1934-04-19

Filing date

1935-04-18

Publication date

1935-10-21

1935-04-18 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1935-10-21 Application granted granted Critical

1935-10-21 Publication of FR789000A publication Critical patent/FR789000A/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
- H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
- 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
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
- H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
- H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement

FR789000D 1934-04-19 1935-04-18 Electric discharge tube Expired FR789000A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL428838X		1934-04-19

Publications (1)

Publication Number	Publication Date
FR789000A true FR789000A (en)	1935-10-21

Family

ID=19786131

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR789000D Expired FR789000A (en)	1934-04-19	1935-04-18	Electric discharge tube

Country Status (5)

Country	Link
US (1)	US2200940A (en)
DE (1)	DE642389C (en)
FR (1)	FR789000A (en)
GB (1)	GB428838A (en)
NL (1)	NL38910C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2794906A (en) *	1954-06-16	1957-06-04	Harold E Edgerton	Gaseous-discharge apparatus
DE1110754B (en) *	1958-09-05	1961-07-13	Philips Nv	Light source consisting of at least one tubular discharge lamp
NL7801635A (en) *	1978-02-14	1979-08-16	Philips Nv	LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP.
NL7810672A (en) *	1978-10-26	1980-04-29	Philips Nv	LOW-PRESSURE MERCURY DISCHARGE LAMP.
US4300073A (en) *	1979-02-13	1981-11-10	Westinghouse Electric Corp.	Screw-in type lighting unit having a convoluted tridimensional fluorescent lamp
US4337414A (en) *	1979-11-26	1982-06-29	Westinghouse Electric Corp.	Compact fluorescent lamp having convoluted tubular envelope of tridimensional configuration, method of making such envelope, and lighting unit incorporating such lamp

0
- NL NL38910D patent/NL38910C/xx active
1935
- 1935-02-07 GB GB3988/35A patent/GB428838A/en not_active Expired
- 1935-03-28 DE DEN37964D patent/DE642389C/en not_active Expired
- 1935-04-18 FR FR789000D patent/FR789000A/en not_active Expired
- 1935-04-18 US US17082A patent/US2200940A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE642389C (en)	1937-03-03
GB428838A (en)	1935-05-20
US2200940A (en)	1940-05-14
NL38910C (en)

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