BE441895A - - Google Patents

Info

Publication number: BE441895A
Authority: BE; Belgium

Application number

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.)

1938-11-04

Publication of BE441895A publication Critical patent/BE441895A/xx

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

BE441895D 1938-11-04 BE441895A (en:Method)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE215510X		1938-11-04

Publications (1)

Publication Number	Publication Date
BE441895A true BE441895A (en:Method)

Family

ID=5824336

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE441895D BE441895A (en:Method)	1938-11-04

Country Status (4)

Country	Link
US (1)	US2254793A (en:Method)
BE (1)	BE441895A (en:Method)
CH (1)	CH215510A (en:Method)
FR (1)	FR880348A (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2435586A (en) *	1941-12-20	1948-02-10	Bell Telephone Labor Inc	Electron velocity sorting discharge device
US2451987A (en) *	1944-03-17	1948-10-19	Westinghouse Electric Corp	Electronic tube for ultra high frequencies

0
- BE BE441895D patent/BE441895A/xx unknown
1939
- 1939-10-30 US US302022A patent/US2254793A/en not_active Expired - Lifetime
1940
- 1940-08-13 CH CH215510D patent/CH215510A/de unknown
1942
- 1942-03-20 FR FR880348D patent/FR880348A/fr not_active Expired

Also Published As

Publication number	Publication date
US2254793A (en)	1941-09-02
FR880348A (fr)	1943-03-23
CH215510A (de)	1941-06-30

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