FR798296A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number: FR798296A
Authority: FR; France
Prior art keywords: electric discharge; discharge tube; tube; electric; discharge
Prior art date: 1934-12-12
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.)

1934-12-12

Filing date

1935-11-25

Publication date

1936-05-13

1935-11-25 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1936-05-13 Application granted granted Critical

1936-05-13 Publication of FR798296A publication Critical patent/FR798296A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
- H01J21/12—Tubes with variable amplification factor
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0032—Tubes with variable amplification factor

FR798296D 1934-12-12 1935-11-25 Electric discharge tube Expired FR798296A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL798296X		1934-12-12

Publications (1)

Publication Number	Publication Date
FR798296A true FR798296A (en)	1936-05-13

Family

ID=19834578

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR798296D Expired FR798296A (en)	1934-12-12	1935-11-25	Electric discharge tube

Country Status (1)

Country	Link
FR (1)	FR798296A (en)

1935
- 1935-11-25 FR FR798296D patent/FR798296A/en not_active Expired

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