BE479372A - - Google Patents

Info

Publication number: BE479372A
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.)

1947-01-08

Publication of BE479372A publication Critical patent/BE479372A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/76—Dynamic electron-multiplier tubes, e.g. Farnsworth multiplier tube, multipactor

BE479372D 1947-01-08 BE479372A (US20090163788A1-20090625-C00002.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL2623189X		1947-01-08

Publications (1)

Publication Number	Publication Date
BE479372A true BE479372A (US20090163788A1-20090625-C00002.png)

Family

ID=19875113

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE479372D BE479372A (US20090163788A1-20090625-C00002.png)	1947-01-08

Country Status (4)

Country	Link
US (1)	US2623189A (US20090163788A1-20090625-C00002.png)
BE (1)	BE479372A (US20090163788A1-20090625-C00002.png)
DE (1)	DE814489C (US20090163788A1-20090625-C00002.png)
FR (1)	FR959389A (US20090163788A1-20090625-C00002.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2891183A (en) *	1954-12-17	1959-06-16	Philco Corp	Precision dual-beam cathode-ray tube

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2104100A (en) *	1936-05-29	1938-01-04	Rca Corp	Superheterodyne converter network
US2218744A (en) *	1936-09-07	1940-10-22	Fernseh Aktien Ges	Electron multiplier
US2266639A (en) *	1938-01-28	1941-12-16	Telefunken Gmbh	Concentration-controlled secondary emission tube
US2416302A (en) *	1941-01-07	1947-02-25	Bell Telephone Labor Inc	Electronic apparatus
US2357922A (en) *	1941-12-06	1944-09-12	Electronbeam Ltd	Electronic translating device
US2372450A (en) *	1942-03-28	1945-03-27	Rca Corp	Electron optical instrument

0
- BE BE479372D patent/BE479372A/xx unknown
- FR FR959389D patent/FR959389A/fr not_active Expired
1947
- 1947-12-20 US US793038A patent/US2623189A/en not_active Expired - Lifetime
1948
- 1948-11-05 DE DEP20753A patent/DE814489C/de not_active Expired

Also Published As

Publication number	Publication date
FR959389A (US20090163788A1-20090625-C00002.png)	1950-03-29
DE814489C (de)	1951-09-24
US2623189A (en)	1952-12-23

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