FR833225A - Improvements to television cathode ray tubes and more particularly to projection tubes - Google Patents
Improvements to television cathode ray tubes and more particularly to projection tubesInfo
- Publication number
- FR833225A FR833225A FR833225DA FR833225A FR 833225 A FR833225 A FR 833225A FR 833225D A FR833225D A FR 833225DA FR 833225 A FR833225 A FR 833225A
- Authority
- FR
- France
- Prior art keywords
- tubes
- cathode ray
- projection
- television cathode
- ray tubes
- 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
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR833225T | 1937-06-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR833225A true FR833225A (en) | 1938-10-17 |
Family
ID=9296441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR833225D Expired FR833225A (en) | 1937-06-09 | 1937-06-09 | Improvements to television cathode ray tubes and more particularly to projection tubes |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR833225A (en) |
GB (1) | GB512508A (en) |
-
1937
- 1937-06-09 FR FR833225D patent/FR833225A/en not_active Expired
-
1938
- 1938-04-21 GB GB12008/38A patent/GB512508A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB512508A (en) | 1939-09-18 |
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