BE522315A - - Google Patents
Info
- Publication number
- BE522315A BE522315A BE522315DA BE522315A BE 522315 A BE522315 A BE 522315A BE 522315D A BE522315D A BE 522315DA BE 522315 A BE522315 A BE 522315A
- 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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21490/52A GB763586A (en) | 1952-08-26 | 1952-08-26 | Improvements in or relating to permanent magnet focussing arrangements for cathode ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE522315A true BE522315A (it) |
Family
ID=10163820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE522315D BE522315A (it) | 1952-08-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2740064A (it) |
| BE (1) | BE522315A (it) |
| DE (1) | DE972501C (it) |
| FR (1) | FR1090512A (it) |
| GB (1) | GB763586A (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820917A (en) * | 1954-02-23 | 1958-01-21 | Sprague Electric Co | Focussing device |
| NL199308A (it) * | 1954-08-04 | |||
| NL86361C (it) * | 1954-12-04 | |||
| US3098942A (en) * | 1955-02-24 | 1963-07-23 | Zenith Radio Corp | Magnetic centering device for cathode ray tubes |
| US2985788A (en) * | 1956-01-19 | 1961-05-23 | Westinghouse Electric Corp | Spark gap device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2418487A (en) * | 1944-03-31 | 1947-04-08 | Bell Telephone Labor Inc | Cathode ray magnetic focusing device |
| US2443973A (en) * | 1945-01-05 | 1948-06-22 | Avco Mfg Corp | Control device for cathode-ray focusing coils |
| BE487122A (it) * | 1948-02-07 | |||
| US2569327A (en) * | 1948-08-31 | 1951-09-25 | Rca Corp | Electron beam bender |
| GB670021A (en) * | 1949-02-18 | 1952-04-09 | Patrick Richard James Court | Improvements in beam centering devices for cathode ray tubes |
| US2580606A (en) * | 1951-03-21 | 1952-01-01 | Best Mfg Company Inc | Cathode-ray tube focusing device |
-
0
- BE BE522315D patent/BE522315A/xx unknown
-
1952
- 1952-08-26 GB GB21490/52A patent/GB763586A/en not_active Expired
-
1953
- 1953-08-21 US US375782A patent/US2740064A/en not_active Expired - Lifetime
- 1953-08-25 DE DEN7628A patent/DE972501C/de not_active Expired
- 1953-08-26 FR FR1090512D patent/FR1090512A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE972501C (de) | 1959-08-20 |
| GB763586A (en) | 1956-12-12 |
| US2740064A (en) | 1956-03-27 |
| FR1090512A (fr) | 1955-03-31 |