NL19414C - - Google Patents
Info
- Publication number
- NL19414C NL19414C NL31447A NL31447A NL19414C NL 19414 C NL19414 C NL 19414C NL 31447 A NL31447 A NL 31447A NL 31447 A NL31447 A NL 31447A NL 19414 C NL19414 C NL 19414C
- Authority
- NL
- Netherlands
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
- H01J17/14—Magnetic means for controlling the discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0061—Tubes with discharge used as electron source
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2388425A GB262879A (en) | 1925-09-24 | 1925-09-24 | Improvements in or relating to electron discharge tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL19414C true NL19414C (sv) | 1929-01-15 |
Family
ID=10202867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31447A NL19414C (sv) | 1925-09-24 | 1925-10-03 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE504839C (sv) |
| FR (1) | FR604325A (sv) |
| GB (1) | GB262879A (sv) |
| NL (1) | NL19414C (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG140486A1 (en) | 2006-08-22 | 2008-03-28 | Ap Novelty Pte Ltd | Vacuum tube |
-
1924
- 1924-11-09 DE DES67623D patent/DE504839C/de not_active Expired
-
1925
- 1925-09-24 GB GB2388425A patent/GB262879A/en not_active Expired
- 1925-09-29 FR FR604325D patent/FR604325A/fr not_active Expired
- 1925-10-03 NL NL31447A patent/NL19414C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| DE504839C (de) | 1930-08-14 |
| FR604325A (fr) | 1926-05-03 |
| GB262879A (en) | 1926-12-23 |