NL72026C - - Google Patents
Info
- Publication number
- NL72026C NL72026C NL72026DA NL72026C NL 72026 C NL72026 C NL 72026C NL 72026D A NL72026D A NL 72026DA NL 72026 C NL72026 C NL 72026C
- Authority
- NL
- Netherlands
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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/60—Mirrors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/10—Preparation of the ground
- E21D1/16—Preparation of the ground by petrification
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL240902X | 1943-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72026C true NL72026C (xx) |
Family
ID=19780533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72026D NL72026C (xx) | 1943-05-07 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE455669A (xx) |
| CH (1) | CH240902A (xx) |
| DE (1) | DE852424C (xx) |
| FR (1) | FR904112A (xx) |
| GB (1) | GB669383A (xx) |
| NL (1) | NL72026C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1217505B (de) * | 1960-02-15 | 1966-05-26 | Telefunken Patent | Elektronenstrahlroehre mit einem grossflaechigen Leuchtschirm und einer Elektronenspiegelanordnung |
-
0
- BE BE455669D patent/BE455669A/xx unknown
- NL NL72026D patent/NL72026C/xx active
-
1944
- 1944-05-03 DE DEN2183D patent/DE852424C/de not_active Expired
- 1944-05-05 CH CH240902D patent/CH240902A/de unknown
- 1944-05-06 FR FR904112D patent/FR904112A/fr not_active Expired
-
1946
- 1946-09-27 GB GB28913/46A patent/GB669383A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR904112A (fr) | 1945-10-26 |
| GB669383A (en) | 1952-04-02 |
| BE455669A (xx) | |
| DE852424C (de) | 1952-10-16 |
| CH240902A (de) | 1946-01-31 |