FR756663A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number: FR756663A
Authority: FR; France
Prior art keywords: electric discharge; discharge tube; tube; electric; discharge
Prior art date: 1932-06-30
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.)

1932-06-30

Filing date

1933-06-07

Publication date

1933-12-13

1932-06-30 Priority claimed from NL61706A external-priority patent/NL36712C/xx

1933-01-17 Priority claimed from DEN34758D external-priority patent/DE597745C/en

1933-06-07 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1933-12-13 Application granted granted Critical

1933-12-13 Publication of FR756663A publication Critical patent/FR756663A/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
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr

FR756663D 1932-06-30 1933-06-07 Electric discharge tube Expired FR756663A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL61706A NL36712C (en)	1932-06-30	1932-06-30
DEN34758D DE597745C (en)	1933-01-17	1933-01-17	Electric discharge tubes with metal vapor filling, in particular for emitting light beams

Publications (1)

Publication Number	Publication Date
FR756663A true FR756663A (en)	1933-12-13

Family

ID=33553317

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR756663D Expired FR756663A (en)	1932-06-30	1933-06-07	Electric discharge tube
FR756662D Expired FR756662A (en)	1932-06-30	1933-06-07	Electric arc and gas atmosphere discharge tube

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR756662D Expired FR756662A (en)	1932-06-30	1933-06-07	Electric arc and gas atmosphere discharge tube

Country Status (6)

Country	Link
AT (2)	AT135172B (en)
CH (3)	CH169848A (en)
DE (2)	DE632922C (en)
DK (3)	DK48606C (en)
FR (2)	FR756663A (en)
GB (2)	GB411293A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE758003C (en) *	1940-06-08	1953-07-13	Edmund Dr Germer	Tubular electric discharge lamp, in particular high or maximum pressure discharge tubes for light and / or ultraviolet radiation

1932
- 1932-08-09 AT AT135172D patent/AT135172B/en active
- 1932-08-09 DE DEN34051D patent/DE632922C/en not_active Expired
- 1932-08-09 AT AT136486D patent/AT136486B/en active
- 1932-08-10 DE DEN34070D patent/DE632920C/en not_active Expired
1933
- 1933-05-03 DK DK48606D patent/DK48606C/en active
- 1933-05-18 DK DK48850D patent/DK48850C/en active
- 1933-06-06 CH CH169848D patent/CH169848A/en unknown
- 1933-06-06 CH CH170226D patent/CH170226A/en unknown
- 1933-06-07 FR FR756663D patent/FR756663A/en not_active Expired
- 1933-06-07 FR FR756662D patent/FR756662A/en not_active Expired
- 1933-06-08 DK DK49527D patent/DK49527C/en active
- 1933-06-08 GB GB16470/33A patent/GB411293A/en not_active Expired
- 1933-06-08 GB GB16469/33A patent/GB410621A/en not_active Expired
- 1933-06-14 CH CH171167D patent/CH171167A/en unknown

Also Published As

Publication number	Publication date
DK48850C (en)	1934-06-11
DK48606C (en)	1934-04-09
CH169848A (en)	1934-06-15
DE632922C (en)	1936-07-16
GB411293A (en)	1934-06-07
FR756662A (en)	1933-12-13
AT136486B (en)	1934-02-10
GB410621A (en)	1934-05-24
CH170226A (en)	1934-06-30
DK49527C (en)	1934-11-12
CH171167A (en)	1934-08-15
AT135172B (en)	1933-10-25
DE632920C (en)	1936-07-15

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