GB191229837A - - Google Patents
Info
- Publication number
- GB191229837A GB191229837A GBM29837DA GB191229837A GB 191229837 A GB191229837 A GB 191229837A GB M29837D A GBM29837D A GB M29837DA GB 191229837 A GB191229837 A GB 191229837A
- Authority
- GB
- United Kingdom
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/22—Means for obtaining or maintaining the desired pressure within the tube
- H01J17/26—Means for producing, introducing, or replenishing gas or vapour during operation of the tube
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191229839T | 1912-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191229837A true GB191229837A (ko) |
Family
ID=32576324
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBM29837D Active GB191229837A (ko) | 1912-12-27 | ||
| GB191229839D Expired GB191229839A (en) | 1912-12-27 | 1912-12-27 | Improvements in Vacuum Valve Tube Rectifiers. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191229839D Expired GB191229839A (en) | 1912-12-27 | 1912-12-27 | Improvements in Vacuum Valve Tube Rectifiers. |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE275893C (ko) |
| FR (1) | FR452793A (ko) |
| GB (2) | GB191229839A (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB712111A (en) * | 1951-07-09 | 1954-07-21 | English Electric Valve Co Ltd | Improvements in or relating to hydrogen filled electric discharge tubes |
| DE924335C (de) * | 1952-07-18 | 1955-02-28 | Leitz Ernst Gmbh | Verfahren zum Evakuieren eines Gefaesses |
-
0
- DE DENDAT275893D patent/DE275893C/de active Active
- GB GBM29837D patent/GB191229837A/en active Active
-
1912
- 1912-12-27 GB GB191229839D patent/GB191229839A/en not_active Expired
- 1912-12-31 FR FR452793A patent/FR452793A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE275893C (ko) | |
| FR452793A (fr) | 1913-05-23 |
| GB191229839A (en) | 1913-12-29 |