FR787744A - Improvements to cathode ray tubes - Google Patents
Improvements to cathode ray tubesInfo
- Publication number
- FR787744A FR787744A FR787744DA FR787744A FR 787744 A FR787744 A FR 787744A FR 787744D A FR787744D A FR 787744DA FR 787744 A FR787744 A FR 787744A
- Authority
- FR
- France
- Prior art keywords
- cathode ray
- ray tubes
- tubes
- cathode
- ray
- 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
- 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
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9473/34A GB435623A (en) | 1934-03-26 | 1934-03-26 | Improvements in or relating to cathode ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR787744A true FR787744A (en) | 1935-09-27 |
Family
ID=9872634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR787744D Expired FR787744A (en) | 1934-03-26 | 1935-03-22 | Improvements to cathode ray tubes |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2194380A (en) |
| FR (1) | FR787744A (en) |
| GB (1) | GB435623A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE475602A (en) * | 1946-08-23 | |||
| US2852716A (en) * | 1954-07-14 | 1958-09-16 | Gen Electric | Cathode ray tube and electron gun therefor |
| US3004186A (en) * | 1958-09-17 | 1961-10-10 | Zenith Radio Corp | Cathode-ray tube arrangement |
| US3015752A (en) * | 1959-03-09 | 1962-01-02 | Admiral Corp | Flash-over suppression in cathode ray tubes |
-
1934
- 1934-03-26 GB GB9473/34A patent/GB435623A/en not_active Expired
-
1935
- 1935-03-21 US US12214A patent/US2194380A/en not_active Expired - Lifetime
- 1935-03-22 FR FR787744D patent/FR787744A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2194380A (en) | 1940-03-19 |
| GB435623A (en) | 1935-09-25 |
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