FR835007A - Perfectionnements aux tubes à rayon cathodique - Google Patents
Perfectionnements aux tubes à rayon cathodiqueInfo
- Publication number
- FR835007A FR835007A FR835007DA FR835007A FR 835007 A FR835007 A FR 835007A FR 835007D A FR835007D A FR 835007DA FR 835007 A FR835007 A FR 835007A
- 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
- H01J29/02—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
- H01J29/36—Photoelectric screens; Charge-storage screens
- H01J29/39—Charge-storage screens
- H01J29/43—Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US133899A US2178232A (en) | 1937-03-30 | 1937-03-30 | Cathode ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR835007A true FR835007A (fr) | 1938-12-09 |
Family
ID=22460810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR835007D Expired FR835007A (fr) | 1937-03-30 | 1938-03-09 | Perfectionnements aux tubes à rayon cathodique |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2178232A (fr) |
| CH (1) | CH203272A (fr) |
| FR (1) | FR835007A (fr) |
| GB (1) | GB491292A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2533387A (en) * | 1948-11-16 | 1950-12-12 | Nat Union Radio Corp | Method and apparatus for making dynodes |
| US2700626A (en) * | 1949-12-09 | 1955-01-25 | Bell Telephone Labor Inc | Secondary electron emissive electrodes |
| US3195971A (en) * | 1961-01-05 | 1965-07-20 | Sylvania Electric Prod | Process for removing electrically conductive coatings from ceramics |
| CN114569842B (zh) * | 2022-03-03 | 2024-12-27 | 广东固特超声股份有限公司 | 一种用于婴幼儿的雾化呼吸道消炎灭菌装置 |
-
1937
- 1937-03-30 US US133899A patent/US2178232A/en not_active Expired - Lifetime
-
1938
- 1938-01-22 GB GB2192/38A patent/GB491292A/en not_active Expired
- 1938-03-09 FR FR835007D patent/FR835007A/fr not_active Expired
- 1938-03-28 CH CH203272D patent/CH203272A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH203272A (de) | 1939-02-28 |
| GB491292A (en) | 1938-08-30 |
| US2178232A (en) | 1939-10-31 |
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