BE443461A - - Google Patents
Info
- Publication number
- BE443461A BE443461A BE443461DA BE443461A BE 443461 A BE443461 A BE 443461A BE 443461D A BE443461D A BE 443461DA BE 443461 A BE443461 A BE 443461A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/484—Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
- H01H29/24—Switches having at least one liquid contact operated by tilting contact-liquid container wherein contact is made and broken between liquid and liquid
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE221452X | 1940-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443461A true BE443461A (fr) |
Family
ID=5840105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443461D BE443461A (fr) | 1940-11-30 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE443461A (fr) |
| CH (2) | CH221452A (fr) |
| FR (1) | FR877100A (fr) |
| NL (1) | NL58905C (fr) |
-
0
- NL NL58905D patent/NL58905C/xx active
- BE BE443461D patent/BE443461A/xx unknown
-
1941
- 1941-11-05 CH CH221452D patent/CH221452A/de unknown
- 1941-11-06 CH CH221453D patent/CH221453A/de unknown
- 1941-11-19 FR FR877100D patent/FR877100A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH221452A (de) | 1942-05-31 |
| FR877100A (fr) | 1942-11-26 |
| NL58905C (fr) | |
| CH221453A (de) | 1942-05-31 |