FR907691A - Improvements to electronic discharge devices - Google Patents
Improvements to electronic discharge devicesInfo
- Publication number
- FR907691A FR907691A FR907691DA FR907691A FR 907691 A FR907691 A FR 907691A FR 907691D A FR907691D A FR 907691DA FR 907691 A FR907691 A FR 907691A
- Authority
- FR
- France
- Prior art keywords
- discharge devices
- electronic discharge
- electronic
- devices
- discharge
- 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
-
- 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
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/74—Deflecting by electric fields only
-
- 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
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB233060X | 1940-05-02 | ||
GB290441X | 1941-04-29 | ||
GB10541X | 1941-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR907691A true FR907691A (en) | 1946-03-19 |
Family
ID=27253814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR907691D Expired FR907691A (en) | 1940-05-02 | 1941-08-18 | Improvements to electronic discharge devices |
Country Status (4)
Country | Link |
---|---|
US (1) | US2302786A (en) |
CH (1) | CH233060A (en) |
FR (1) | FR907691A (en) |
GB (3) | GB542497A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2551810A (en) * | 1947-07-09 | 1951-05-08 | Rca Corp | Deflection beam tube |
US2969478A (en) * | 1949-06-10 | 1961-01-24 | Sperry Rand Corp | Information storage system |
NL85805C (en) * | 1950-04-12 | |||
US2609516A (en) * | 1950-10-31 | 1952-09-02 | Rca Corp | Art of forming and utilizing electron-beams of noncircular cross section |
BE519629A (en) * | 1952-05-02 | |||
US2811668A (en) * | 1956-05-29 | 1957-10-29 | Gen Dynamics Corp | Electron beam deflection control system |
US2888606A (en) * | 1956-08-27 | 1959-05-26 | Rca Corp | Modulation control for cathode ray tubes |
FR1281982A (en) * | 1960-11-23 | 1962-01-19 | Csf | Deflection modulator for cathode ray tubes |
GB1087323A (en) * | 1964-05-22 | 1967-10-18 | English Electric Valve Co Ltd | Improvements in or relating to electron beam discharge tubes |
US4549113A (en) * | 1981-02-06 | 1985-10-22 | U.S. Philips Corporation | Low noise electron gun |
GB2137802B (en) * | 1983-01-27 | 1986-06-04 | Thor Cryogenics Ltd | Electron filter |
-
1940
- 1940-05-02 GB GB5441/41A patent/GB542497A/en not_active Expired
- 1940-05-02 GB GB7892/40A patent/GB542488A/en not_active Expired
- 1940-05-02 GB GB5440/41A patent/GB542496A/en not_active Expired
-
1941
- 1941-07-05 US US401132A patent/US2302786A/en not_active Expired - Lifetime
- 1941-08-18 FR FR907691D patent/FR907691A/en not_active Expired
- 1941-08-19 CH CH233060D patent/CH233060A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB542497A (en) | 1942-01-12 |
GB542488A (en) | 1942-01-12 |
CH233060A (en) | 1944-06-30 |
GB542496A (en) | 1942-01-12 |
US2302786A (en) | 1942-11-24 |
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