FR880054A - Electronic discharge device - Google Patents
Electronic discharge deviceInfo
- Publication number
- FR880054A FR880054A FR880054DA FR880054A FR 880054 A FR880054 A FR 880054A FR 880054D A FR880054D A FR 880054DA FR 880054 A FR880054 A FR 880054A
- Authority
- FR
- France
- Prior art keywords
- discharge device
- electronic discharge
- electronic
- discharge
- 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
- H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
- H01J31/506—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output tubes using secondary emission effect
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF0004632 | 1941-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR880054A true FR880054A (en) | 1943-03-12 |
Family
ID=7084273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR880054D Expired FR880054A (en) | 1941-03-10 | 1942-03-09 | Electronic discharge device |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE444765A (en) |
FR (1) | FR880054A (en) |
-
0
- BE BE444765D patent/BE444765A/xx unknown
-
1942
- 1942-03-09 FR FR880054D patent/FR880054A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE444765A (en) |
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