FR942329A - Improvements to cathode ray devices - Google Patents
Improvements to cathode ray devicesInfo
- Publication number
- FR942329A FR942329A FR942329DA FR942329A FR 942329 A FR942329 A FR 942329A FR 942329D A FR942329D A FR 942329DA FR 942329 A FR942329 A FR 942329A
- Authority
- FR
- France
- Prior art keywords
- cathode ray
- ray devices
- devices
- cathode
- ray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB6548/46A GB606005A (en) | 1946-03-02 | 1946-03-02 | Improvements in or relating to electromagnetically focussed and deflected cathode ray devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR942329A true FR942329A (en) | 1949-02-04 |
Family
ID=9816502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR942329D Expired FR942329A (en) | 1946-03-02 | 1947-02-26 | Improvements to cathode ray devices |
Country Status (5)
Country | Link |
---|---|
US (1) | US2500623A (en) |
BE (1) | BE471546A (en) |
FR (1) | FR942329A (en) |
GB (1) | GB606005A (en) |
NL (1) | NL67155C (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2541446A (en) * | 1949-01-04 | 1951-02-13 | Barnet S Trott | Image distortion corrector for cathode-ray tubes |
US2602902A (en) * | 1950-02-14 | 1952-07-08 | Bendix Aviat Corp | Sweep amplitude control for magnetically deflected cathode-ray tubes |
US2876372A (en) * | 1954-11-19 | 1959-03-03 | Hazeltine Research Inc | Color-image-reproducing apparatus |
US2790920A (en) * | 1955-05-09 | 1957-04-30 | Philco Corp | Apparatus for control of electron beam cross section |
US2922908A (en) * | 1955-08-31 | 1960-01-26 | Westinghouse Electric Corp | Retaining device |
US2907908A (en) * | 1955-09-01 | 1959-10-06 | Philco Corp | Apparatus for preventing distortion in plural beam cathode ray tubes |
US2897390A (en) * | 1955-12-23 | 1959-07-28 | Glaser Steers Corp | Magnetic convergence assembly |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1995376A (en) * | 1932-10-29 | 1935-03-26 | Rca Corp | Television system |
US2212640A (en) * | 1934-07-07 | 1940-08-27 | Radio Inventions Inc | Cathode ray system |
US2157182A (en) * | 1935-12-31 | 1939-05-09 | Rca Corp | Cathode ray deflecting device |
US2177688A (en) * | 1936-12-24 | 1939-10-31 | Hazeltine Corp | Cathode-ray tube scanning system |
US2431077A (en) * | 1943-08-31 | 1947-11-18 | Rca Corp | Cathode-ray tube with revolving magnets and adjustable sleeve |
-
0
- BE BE471546D patent/BE471546A/xx unknown
- NL NL67155D patent/NL67155C/xx active
-
1946
- 1946-03-02 GB GB6548/46A patent/GB606005A/en not_active Expired
-
1947
- 1947-02-25 US US730719A patent/US2500623A/en not_active Expired - Lifetime
- 1947-02-26 FR FR942329D patent/FR942329A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE471546A (en) | |
NL67155C (en) | |
GB606005A (en) | 1948-08-04 |
US2500623A (en) | 1950-03-14 |
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