GB488948A - Improvements in or relating to grid control of cathode ray tubes - Google Patents
Improvements in or relating to grid control of cathode ray tubesInfo
- Publication number
- GB488948A GB488948A GB1476/37A GB147637A GB488948A GB 488948 A GB488948 A GB 488948A GB 1476/37 A GB1476/37 A GB 1476/37A GB 147637 A GB147637 A GB 147637A GB 488948 A GB488948 A GB 488948A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- cylinder
- ray
- jan
- rays
- 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
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Electron Beam Exposure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE488948X | 1936-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB488948A true GB488948A (en) | 1938-07-18 |
Family
ID=6543884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1476/37A Expired GB488948A (en) | 1936-01-20 | 1937-01-18 | Improvements in or relating to grid control of cathode ray tubes |
Country Status (3)
Country | Link |
---|---|
US (1) | US2185133A (fr) |
FR (1) | FR816443A (fr) |
GB (1) | GB488948A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2603763A (en) * | 1944-01-13 | 1952-07-15 | Henry V Neher | Vacuum tube oscillator |
US2640950A (en) * | 1951-06-06 | 1953-06-02 | Atomic Energy Commission | Point electron source |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3980916A (en) * | 1975-07-22 | 1976-09-14 | The United States Of America As Represented By The United States Energy Research And Development Administration | Beam limiter for thermonuclear fusion devices |
-
1937
- 1937-01-15 US US120775A patent/US2185133A/en not_active Expired - Lifetime
- 1937-01-18 GB GB1476/37A patent/GB488948A/en not_active Expired
- 1937-01-18 FR FR816443D patent/FR816443A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2603763A (en) * | 1944-01-13 | 1952-07-15 | Henry V Neher | Vacuum tube oscillator |
US2640950A (en) * | 1951-06-06 | 1953-06-02 | Atomic Energy Commission | Point electron source |
Also Published As
Publication number | Publication date |
---|---|
US2185133A (en) | 1939-12-26 |
FR816443A (fr) | 1937-08-07 |
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