FR809163A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number: FR809163A
Authority: FR; France
Prior art keywords: electric discharge; discharge tube; tube; electric; discharge
Prior art date: 1935-08-03
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.)

1935-08-03

Filing date

1936-07-07

Publication date

1937-02-25

1936-07-07 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1937-02-25 Application granted granted Critical

1937-02-25 Publication of FR809163A publication Critical patent/FR809163A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements

FR809163D 1935-08-03 1936-07-07 Electric discharge tube Expired FR809163A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL475521X		1935-08-03

Publications (1)

Publication Number	Publication Date
FR809163A true FR809163A (en)	1937-02-25

Family

ID=19786516

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR809163D Expired FR809163A (en)	1935-08-03	1936-07-07	Electric discharge tube

Country Status (3)

Country	Link
FR (1)	FR809163A (en)
GB (1)	GB475521A (en)
NL (1)	NL43494C (en)

0
- NL NL43494D patent/NL43494C/xx active
1936
- 1936-05-21 GB GB14426/36A patent/GB475521A/en not_active Expired
- 1936-07-07 FR FR809163D patent/FR809163A/en not_active Expired

Also Published As

Publication number	Publication date
GB475521A (en)	1937-11-22
NL43494C (en)

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