FR552185A - - Google Patents
Info
- Publication number
- FR552185A FR552185A FR552185DA FR552185A FR 552185 A FR552185 A FR 552185A FR 552185D A FR552185D A FR 552185DA FR 552185 A FR552185 A FR 552185A
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
Publications (1)
Publication Number | Publication Date |
---|---|
FR552185A true FR552185A (nl) | 1923-04-25 |
Family
ID=1538430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR552185D Expired FR552185A (nl) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR552185A (nl) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE763102C (de) * | 1937-02-11 | 1953-01-26 | Fernseh Gmbh | Elektrodenanordnung fuer mehrstufige Sekundaerelektronenvervielfacher |
DE763043C (de) * | 1936-02-08 | 1953-05-11 | Marconi Wireless Telegraph Co | Sekundaerelektronenvervielfacher mit koaxial zur Primaerelektronenquelle angeordneten Prallelektroden |
DE764272C (de) * | 1935-01-08 | 1954-09-27 | Fernseh Gmbh | Sekundaerelektronenvervielfacher |
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0
- FR FR552185D patent/FR552185A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE764272C (de) * | 1935-01-08 | 1954-09-27 | Fernseh Gmbh | Sekundaerelektronenvervielfacher |
DE763043C (de) * | 1936-02-08 | 1953-05-11 | Marconi Wireless Telegraph Co | Sekundaerelektronenvervielfacher mit koaxial zur Primaerelektronenquelle angeordneten Prallelektroden |
DE763102C (de) * | 1937-02-11 | 1953-01-26 | Fernseh Gmbh | Elektrodenanordnung fuer mehrstufige Sekundaerelektronenvervielfacher |