FR1274875A - Perfectionnements aux lentilles électroniques - Google Patents
Perfectionnements aux lentilles électroniquesInfo
- Publication number
- FR1274875A FR1274875A FR844790A FR844790A FR1274875A FR 1274875 A FR1274875 A FR 1274875A FR 844790 A FR844790 A FR 844790A FR 844790 A FR844790 A FR 844790A FR 1274875 A FR1274875 A FR 1274875A
- Authority
- FR
- France
- Prior art keywords
- enhancements
- electronic lens
- lens
- electronic
- lens enhancements
- 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
-
- 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
- H01J29/626—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields
- H01J29/628—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields co-operating with or closely associated to an electron gun
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB40011/59A GB889005A (en) | 1959-11-25 | 1959-11-25 | Improvements in or relating to electron lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1274875A true FR1274875A (fr) | 1961-10-27 |
Family
ID=10412710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR844790A Expired FR1274875A (fr) | 1959-11-25 | 1960-11-23 | Perfectionnements aux lentilles électroniques |
Country Status (6)
Country | Link |
---|---|
US (1) | US3176181A (fr) |
CH (1) | CH404815A (fr) |
DE (1) | DE1212645B (fr) |
FR (1) | FR1274875A (fr) |
GB (1) | GB889005A (fr) |
NL (1) | NL258205A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2358743A1 (fr) * | 1976-07-13 | 1978-02-10 | Philips Nv | Lentille electronique astigmate, tube cathodique equipe d'une telle lentille, et dispositif comportant un tel tube |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3610992A (en) * | 1968-12-19 | 1971-10-05 | Sony Corp | Cathode-ray tube having end electrodes of three electrodes connected by helical coil coaxial with tube axis |
US3876898A (en) * | 1974-06-27 | 1975-04-08 | Gte Sylvania Inc | Shielding means for a cathode ray tube |
NL175002C (nl) * | 1977-11-24 | 1984-09-03 | Philips Nv | Kathodestraalbuis met tenminste een elektronenkanon. |
DE2753412C2 (de) * | 1977-11-30 | 1983-06-23 | Max Planck Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Rotationssymmetrischer Ionen-Elektronen-Konverter |
DE4422440A1 (de) * | 1994-06-29 | 1996-01-04 | Osaulenko Nikolaj Fedorowitsc | Vorrichtung zur Aufzeichnung und Wiedergabe hochfrequenter Signale |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE527820A (fr) * | 1953-04-03 | |||
US3069588A (en) * | 1958-09-26 | 1962-12-18 | Raytheon Co | Traveling wave tubes |
-
0
- NL NL258205D patent/NL258205A/xx unknown
-
1959
- 1959-11-25 GB GB40011/59A patent/GB889005A/en not_active Expired
-
1960
- 1960-10-31 US US65992A patent/US3176181A/en not_active Expired - Lifetime
- 1960-11-22 DE DEN19229A patent/DE1212645B/de active Pending
- 1960-11-22 CH CH1309160A patent/CH404815A/de unknown
- 1960-11-23 FR FR844790A patent/FR1274875A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2358743A1 (fr) * | 1976-07-13 | 1978-02-10 | Philips Nv | Lentille electronique astigmate, tube cathodique equipe d'une telle lentille, et dispositif comportant un tel tube |
Also Published As
Publication number | Publication date |
---|---|
DE1212645B (de) | 1966-03-17 |
NL258205A (fr) | |
US3176181A (en) | 1965-03-30 |
GB889005A (en) | 1962-02-07 |
CH404815A (de) | 1965-12-31 |
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