FR1057785A - Improvements to electric discharge tubes - Google Patents
Improvements to electric discharge tubesInfo
- Publication number
- FR1057785A FR1057785A FR1057785DA FR1057785A FR 1057785 A FR1057785 A FR 1057785A FR 1057785D A FR1057785D A FR 1057785DA FR 1057785 A FR1057785 A FR 1057785A
- Authority
- FR
- France
- Prior art keywords
- electric discharge
- discharge tubes
- tubes
- electric
- 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
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/26—Signs formed by electric discharge tubes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1057785T | 1950-07-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1057785A true FR1057785A (en) | 1954-03-10 |
Family
ID=9598184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1057785D Expired FR1057785A (en) | 1950-07-06 | 1950-07-06 | Improvements to electric discharge tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1057785A (en) |
-
1950
- 1950-07-06 FR FR1057785D patent/FR1057785A/en not_active Expired
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