FR681321A - Perfectionnements aux tubes électroniques - Google Patents
Perfectionnements aux tubes électroniquesInfo
- Publication number
- FR681321A FR681321A FR681321DA FR681321A FR 681321 A FR681321 A FR 681321A FR 681321D A FR681321D A FR 681321DA FR 681321 A FR681321 A FR 681321A
- Authority
- FR
- France
- Prior art keywords
- electronic tubes
- tubes
- electronic
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/32—Seals for leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0002—Construction arrangements of electrode systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US306398A US1961269A (en) | 1928-09-17 | 1928-09-17 | Electron discharge apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR681321A true FR681321A (fr) | 1930-05-13 |
Family
ID=23185114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR681321D Expired FR681321A (fr) | 1928-09-17 | 1929-09-04 | Perfectionnements aux tubes électroniques |
Country Status (3)
Country | Link |
---|---|
US (1) | US1961269A (fr) |
FR (1) | FR681321A (fr) |
GB (1) | GB319208A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE750383C (de) * | 1941-03-01 | 1945-01-13 | Elektrisches Entladungsgefaess mit in einer Isolierscheibe befestigter Strebe | |
DE957420C (de) * | 1952-02-01 | 1957-01-31 | Siemens Ag | Elektrodensystem fuer elektrische Entladungsroehren |
US3364379A (en) * | 1963-10-14 | 1968-01-16 | Gen Electric | Aligned-grids electron discharge device and method and apparatus for manufacture thereof |
US3520040A (en) * | 1967-05-15 | 1970-07-14 | Gen Electric | Method for manufacturing aligned-grids electron discharge device |
-
1928
- 1928-09-17 US US306398A patent/US1961269A/en not_active Expired - Lifetime
-
1929
- 1929-09-04 GB GB26874/29A patent/GB319208A/en not_active Expired
- 1929-09-04 FR FR681321D patent/FR681321A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1961269A (en) | 1934-06-05 |
GB319208A (en) | 1930-11-13 |
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