FR793506A - Grid for electric discharge tubes - Google Patents

Grid for electric discharge tubes

Info

Publication number: FR793506A
Authority: FR; France
Prior art keywords: grid; electric discharge; discharge tubes; tubes; electric
Prior art date: 1934-08-08
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.)

1934-08-08

Filing date

1935-08-05

Publication date

1936-01-27

1935-08-05 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1936-01-27 Application granted granted Critical

1936-01-27 Publication of FR793506A publication Critical patent/FR793506A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/38—Control electrodes, e.g. grid
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0015—Non-sealed electrodes
- H01J2893/0017—Cylindrical, helical or annular grids

FR793506D 1934-08-08 1935-08-05 Grid for electric discharge tubes Expired FR793506A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE793506X		1934-08-08

Publications (1)

Publication Number	Publication Date
FR793506A true FR793506A (en)	1936-01-27

Family

ID=6709897

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR793506D Expired FR793506A (en)	1934-08-08	1935-08-05	Grid for electric discharge tubes

Country Status (1)

Country	Link
FR (1)	FR793506A (en)

1935
- 1935-08-05 FR FR793506D patent/FR793506A/en not_active Expired

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