IT1202707B - COMPENSATED CATHODE, PARTICULARLY SUITABLE FOR TUBES WITH CATHODE RAYS - Google Patents
COMPENSATED CATHODE, PARTICULARLY SUITABLE FOR TUBES WITH CATHODE RAYSInfo
- Publication number
- IT1202707B IT1202707B IT19868/87A IT1986887A IT1202707B IT 1202707 B IT1202707 B IT 1202707B IT 19868/87 A IT19868/87 A IT 19868/87A IT 1986887 A IT1986887 A IT 1986887A IT 1202707 B IT1202707 B IT 1202707B
- Authority
- IT
- Italy
- Prior art keywords
- cathode
- tubes
- particularly suitable
- compensated
- rays
- Prior art date
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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/04—Cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84685986A | 1986-04-01 | 1986-04-01 | |
US92345186A | 1986-10-27 | 1986-10-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8719868A0 IT8719868A0 (en) | 1987-03-26 |
IT1202707B true IT1202707B (en) | 1989-02-09 |
Family
ID=27126674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19868/87A IT1202707B (en) | 1986-04-01 | 1987-03-26 | COMPENSATED CATHODE, PARTICULARLY SUITABLE FOR TUBES WITH CATHODE RAYS |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3708686A1 (en) |
FR (1) | FR2598255A1 (en) |
IT (1) | IT1202707B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5637952A (en) * | 1993-04-26 | 1997-06-10 | Nokia Technology Gmbh | High-current cathode for picture tubes including a grid 3-electrode having a diaphragm with reduced apertures |
DE4313576C2 (en) * | 1993-04-26 | 1996-07-18 | Nokia Deutschland Gmbh | Electron gun system |
-
1987
- 1987-03-17 DE DE19873708686 patent/DE3708686A1/en not_active Withdrawn
- 1987-03-26 IT IT19868/87A patent/IT1202707B/en active
- 1987-04-01 FR FR8704570A patent/FR2598255A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3708686A1 (en) | 1987-10-08 |
IT8719868A0 (en) | 1987-03-26 |
FR2598255A1 (en) | 1987-11-06 |
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