BE531679A - - Google Patents
Info
- Publication number
- BE531679A BE531679A BE531679DA BE531679A BE 531679 A BE531679 A BE 531679A BE 531679D A BE531679D A BE 531679DA BE 531679 A BE531679 A BE 531679A
- 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 |
|---|---|---|---|
| GB25935/53A GB761663A (en) | 1953-09-21 | 1953-09-21 | Improvements in or relating to focussing magnet systems for cathode ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE531679A true BE531679A (en) |
Family
ID=10235705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE531679D BE531679A (en) | 1953-09-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2749486A (en) |
| BE (1) | BE531679A (en) |
| CH (1) | CH320563A (en) |
| FR (1) | FR1106914A (en) |
| GB (1) | GB761663A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2864021A (en) * | 1955-09-01 | 1958-12-09 | Rca Corp | Color kinescope adjunct |
| US3059156A (en) * | 1957-06-19 | 1962-10-16 | Moriya Saburo Miyata | Means for controlling magnetic fields |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2416687A (en) * | 1944-03-30 | 1947-03-04 | Bell Telephone Labor Inc | Magnetic focussing device |
| US2418487A (en) * | 1944-03-31 | 1947-04-08 | Bell Telephone Labor Inc | Cathode ray magnetic focusing device |
| BE487122A (en) * | 1948-02-07 | |||
| US2640868A (en) * | 1950-11-04 | 1953-06-02 | All Star Products Inc | Magnetic focusing device for cathode-ray tubes |
-
0
- BE BE531679D patent/BE531679A/xx unknown
-
1953
- 1953-09-21 GB GB25935/53A patent/GB761663A/en not_active Expired
-
1954
- 1954-08-27 FR FR1106914D patent/FR1106914A/en not_active Expired
- 1954-09-09 US US454985A patent/US2749486A/en not_active Expired - Lifetime
- 1954-09-13 CH CH320563D patent/CH320563A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH320563A (en) | 1957-03-31 |
| GB761663A (en) | 1956-11-21 |
| US2749486A (en) | 1956-06-05 |
| FR1106914A (en) | 1955-12-27 |