FR826429A - Secondary electron tube - Google Patents

Secondary electron tube

Info

Publication number
FR826429A
FR826429A FR826429DA FR826429A FR 826429 A FR826429 A FR 826429A FR 826429D A FR826429D A FR 826429DA FR 826429 A FR826429 A FR 826429A
Authority
FR
France
Prior art keywords
secondary electron
electron tube
tube
electron
Prior art date
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
French (fr)
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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.)
Filing date
Publication date
Application filed by Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR826429A publication Critical patent/FR826429A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H01J43/20—Dynodes consisting of sheet material, e.g. plane, bent
FR826429D 1936-09-07 1937-09-07 Secondary electron tube Expired FR826429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2213769X 1936-09-07

Publications (1)

Publication Number Publication Date
FR826429A true FR826429A (en) 1938-03-31

Family

ID=7990443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826429D Expired FR826429A (en) 1936-09-07 1937-09-07 Secondary electron tube

Country Status (2)

Country Link
US (1) US2213769A (en)
FR (1) FR826429A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663758A (en) * 1951-03-01 1953-12-22 Intelligent Machines Res Corp Apparatus for reading

Also Published As

Publication number Publication date
US2213769A (en) 1940-09-03

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