GB495185A - Improvements in or relating to television cathode ray tubes - Google Patents
Improvements in or relating to television cathode ray tubesInfo
- Publication number
- GB495185A GB495185A GB3852/37A GB385237A GB495185A GB 495185 A GB495185 A GB 495185A GB 3852/37 A GB3852/37 A GB 3852/37A GB 385237 A GB385237 A GB 385237A GB 495185 A GB495185 A GB 495185A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- cathode
- cone
- lens
- varying
- 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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/62—Electrostatic lenses
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE495185X | 1936-02-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB495185A true GB495185A (en) | 1938-11-09 |
Family
ID=6544850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3852/37A Expired GB495185A (en) | 1936-02-11 | 1937-02-09 | Improvements in or relating to television cathode ray tubes |
Country Status (3)
Country | Link |
---|---|
US (1) | US2227016A (fr) |
FR (1) | FR817738A (fr) |
GB (1) | GB495185A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2466065A (en) * | 1944-09-08 | 1949-04-05 | Tung Sol Lamp Works Inc | Direct-current amplifier and circuit |
GB704878A (en) * | 1948-11-26 | 1954-03-03 | Siemens Ag | Improvements in or relating to cathode ray oscillographs |
US2672568A (en) * | 1951-03-27 | 1954-03-16 | Int Standard Electric Corp | Electron gun for cathode-ray tubes |
US2597363A (en) * | 1951-06-29 | 1952-05-20 | Ibm | Cathode-ray storage tube |
-
1937
- 1937-02-05 US US124293A patent/US2227016A/en not_active Expired - Lifetime
- 1937-02-09 GB GB3852/37A patent/GB495185A/en not_active Expired
- 1937-02-11 FR FR817738D patent/FR817738A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR817738A (fr) | 1937-09-09 |
US2227016A (en) | 1940-12-31 |
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