FR872643A - écrans luminescents - Google Patents
écrans luminescentsInfo
- Publication number
- FR872643A FR872643A FR872643DA FR872643A FR 872643 A FR872643 A FR 872643A FR 872643D A FR872643D A FR 872643DA FR 872643 A FR872643 A FR 872643A
- Authority
- FR
- France
- Prior art keywords
- luminescent screens
- luminescent
- screens
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/18—Luminescent screens
- H01J29/187—Luminescent screens screens with more than one luminescent material (as mixtures for the treatment of the screens)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US872643XA | 1938-10-25 | 1938-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR872643A true FR872643A (fr) | 1942-06-15 |
Family
ID=22204112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR872643D Expired FR872643A (fr) | 1938-10-25 | 1939-10-24 | écrans luminescents |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR872643A (fr) |
-
1939
- 1939-10-24 FR FR872643D patent/FR872643A/fr not_active Expired
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