FR858466A - Secondary electron tube - Google Patents

Secondary electron tube

Info

Publication number
FR858466A
FR858466A FR858466DA FR858466A FR 858466 A FR858466 A FR 858466A FR 858466D A FR858466D A FR 858466DA FR 858466 A FR858466 A FR 858466A
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 FR858466A publication Critical patent/FR858466A/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
    • H01J43/28—Vessels, e.g. wall of the tube; Windows; Screens; Suppressing undesired discharges or currents
FR858466D 1938-07-28 1939-07-28 Secondary electron tube Expired FR858466A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE212277X 1938-07-28
DE130739X 1939-07-13

Publications (1)

Publication Number Publication Date
FR858466A true FR858466A (en) 1940-11-26

Family

ID=25751741

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858466D Expired FR858466A (en) 1938-07-28 1939-07-28 Secondary electron tube

Country Status (3)

Country Link
BE (1) BE435682A (en)
CH (1) CH212277A (en)
FR (1) FR858466A (en)

Also Published As

Publication number Publication date
BE435682A (en)
CH212277A (en) 1940-11-15

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