NL285641A - - Google Patents
Info
- Publication number
- NL285641A NL285641A NL285641DA NL285641A NL 285641 A NL285641 A NL 285641A NL 285641D A NL285641D A NL 285641DA NL 285641 A NL285641 A NL 285641A
- Authority
- NL
- Netherlands
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
-
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
-
- 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
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
-
- 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
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/50—Plurality of guns or beams
- H01J2229/507—Multi-beam groups, e.g. number of beams greater than number of cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US153451A US3286113A (en) | 1961-11-20 | 1961-11-20 | Cathode ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL285641A true NL285641A (OSRAM) |
Family
ID=22547276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL285641D NL285641A (OSRAM) | 1961-11-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3286113A (OSRAM) |
| BE (1) | BE625032A (OSRAM) |
| GB (1) | GB1005358A (OSRAM) |
| NL (1) | NL285641A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3845346A (en) * | 1972-01-19 | 1974-10-29 | Philips Corp | Cathode-ray tube |
| US4469987A (en) * | 1981-10-23 | 1984-09-04 | Zenith Electronics Corporation | Means for enhancing brightness of a monochrome CRT without loss of resolution |
| JPH1167121A (ja) * | 1997-08-27 | 1999-03-09 | Matsushita Electron Corp | 陰極線管 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL91128C (OSRAM) * | 1951-09-26 | |||
| US2880342A (en) * | 1956-10-25 | 1959-03-31 | Gen Dynamics Corp | Electron beam for a cathode ray tube |
| US2975315A (en) * | 1957-03-13 | 1961-03-14 | Rauland Corp | Cathode-ray tube |
| US2919380A (en) * | 1957-07-23 | 1959-12-29 | Philco Corp | Electron discharge devices |
| US2862144A (en) * | 1958-03-21 | 1958-11-25 | Gen Dynamics Corp | Simplified system for character selection in a shaped beam tube |
| NL98136C (OSRAM) * | 1958-06-27 | |||
| US2971118A (en) * | 1958-11-10 | 1961-02-07 | Sylvania Electric Prod | Electron discharge device |
-
0
- BE BE625032D patent/BE625032A/xx unknown
- NL NL285641D patent/NL285641A/xx unknown
-
1961
- 1961-11-20 US US153451A patent/US3286113A/en not_active Expired - Lifetime
-
1962
- 1962-10-30 GB GB41032/62A patent/GB1005358A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3286113A (en) | 1966-11-15 |
| BE625032A (OSRAM) | |
| GB1005358A (en) | 1965-09-22 |