CH208634A - Setup with a secondary electron amplifier. - Google Patents

Setup with a secondary electron amplifier.

Info

Publication number
CH208634A
CH208634A CH208634DA CH208634A CH 208634 A CH208634 A CH 208634A CH 208634D A CH208634D A CH 208634DA CH 208634 A CH208634 A CH 208634A
Authority
CH
Switzerland
Prior art keywords
setup
secondary electron
electron amplifier
amplifier
electron
Prior art date
Application number
Other languages
German (de)
Inventor
Fernseh Aktiengesellschaft
Original Assignee
Fernseh Ag
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 Ag filed Critical Fernseh Ag
Publication of CH208634A publication Critical patent/CH208634A/en

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
    • H01J43/22—Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/023—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof secondary-electron emitting electrode arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
CH208634D 1937-06-26 1939-01-27 Setup with a secondary electron amplifier. CH208634A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE428729X 1937-06-26
DEF4676D DE930698C (en) 1937-06-26 1938-01-30 Secondary amplifier with impact grilles
GB20162/38A GB516785A (en) 1937-06-26 1938-07-07 Improvements in or relating to electron multipliers

Publications (1)

Publication Number Publication Date
CH208634A true CH208634A (en) 1940-02-15

Family

ID=41682616

Family Applications (1)

Application Number Title Priority Date Filing Date
CH208634D CH208634A (en) 1937-06-26 1939-01-27 Setup with a secondary electron amplifier.

Country Status (7)

Country Link
US (2) US2221447A (en)
BE (2) BE428729A (en)
CH (1) CH208634A (en)
DE (1) DE930698C (en)
FR (1) FR839826A (en)
GB (1) GB516785A (en)
NL (1) NL52081C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878867A (en) * 1988-07-29 1989-11-07 Ralphco Inc. Coin bank

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442848A (en) * 1942-03-09 1948-06-08 Farnsworth Res Corp Electron control tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878867A (en) * 1988-07-29 1989-11-07 Ralphco Inc. Coin bank

Also Published As

Publication number Publication date
BE432129A (en) 1939-02-28
US2221447A (en) 1940-11-12
BE428729A (en) 1938-07-30
DE930698C (en) 1955-07-21
NL52081C (en) 1942-03-16
GB516785A (en) 1940-01-11
US2245895A (en) 1941-06-17
FR839826A (en) 1939-04-13

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