FR742749A - - Google Patents
Info
- Publication number
- FR742749A FR742749A FR742749DA FR742749A FR 742749 A FR742749 A FR 742749A FR 742749D A FR742749D A FR 742749DA FR 742749 A FR742749 A FR 742749A
- 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
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE387275X | 1931-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742749A true FR742749A (xx) | 1933-03-14 |
Family
ID=6371107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742749D Expired FR742749A (xx) | 1931-09-12 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR742749A (xx) |
| GB (1) | GB387275A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2814751A (en) * | 1955-03-16 | 1957-11-26 | Eitel Mccullough Inc | Stem structure for beam type tubes |
| JPS6036056B2 (ja) * | 1979-06-21 | 1985-08-17 | 株式会社東芝 | 陰極構体 |
-
0
- FR FR742749D patent/FR742749A/fr not_active Expired
-
1932
- 1932-09-09 GB GB25191/32A patent/GB387275A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB387275A (en) | 1933-02-02 |