FR786680A - Improvements to discharge tubes - Google Patents
Improvements to discharge tubesInfo
- Publication number
- FR786680A FR786680A FR786680DA FR786680A FR 786680 A FR786680 A FR 786680A FR 786680D A FR786680D A FR 786680DA FR 786680 A FR786680 A FR 786680A
- Authority
- FR
- France
- Prior art keywords
- discharge tubes
- tubes
- 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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
- H01J61/526—Heating or cooling particular parts of the lamp heating or cooling of electrodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB696634A GB434597A (en) | 1934-03-05 | 1934-03-05 | Improvements in and relating to electric discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR786680A true FR786680A (en) | 1935-09-07 |
Family
ID=9824085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR786680D Expired FR786680A (en) | 1934-03-05 | 1935-03-05 | Improvements to discharge tubes |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR786680A (en) |
GB (1) | GB434597A (en) |
-
1934
- 1934-03-05 GB GB696634A patent/GB434597A/en not_active Expired
-
1935
- 1935-03-05 FR FR786680D patent/FR786680A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB434597A (en) | 1935-09-05 |
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