JPS5632640A - Manufacture of cathode-ray tube - Google Patents
Manufacture of cathode-ray tubeInfo
- Publication number
- JPS5632640A JPS5632640A JP10892879A JP10892879A JPS5632640A JP S5632640 A JPS5632640 A JP S5632640A JP 10892879 A JP10892879 A JP 10892879A JP 10892879 A JP10892879 A JP 10892879A JP S5632640 A JPS5632640 A JP S5632640A
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- base
- cathode
- coil
- work
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
PURPOSE:To perform an easy work of correction for an off-center of deflection of electron beams in a single-beam cathode-ray tube, by arranging a ring magnet not magnetized in a base of the cathode-ray tube, magnetizing it from the outside and performing a correction of the electron beam. CONSTITUTION:A ring magnet 10 before its magnetization is arranged in a cathod-ray tube base 9 in such a manner that the axis of the ring is aligned to the tube axis, after a completion of mounting said base 9 to a cathode-ray tube 1, magnetized from the outside to perform the correcting work of an electron beam. The magnetization of the ring magnet 10 is performed by such a method, for instance, that an electromagnetic coil 11 having a core 12 is symmetrically arranged to the axis on the periphery of the base 9 to flow an electric current through the coil 11. Then an intensity of magnetization is adjusted by the current passing through the coil 11 while its polarity is controlled by turning the coil 11 and the core 12. In this way, a double work of preliminary and final base mounting can be eliminated to simplify the work, thus a misalignment of the correction can be prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10892879A JPS5632640A (en) | 1979-08-27 | 1979-08-27 | Manufacture of cathode-ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10892879A JPS5632640A (en) | 1979-08-27 | 1979-08-27 | Manufacture of cathode-ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5632640A true JPS5632640A (en) | 1981-04-02 |
Family
ID=14497202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10892879A Pending JPS5632640A (en) | 1979-08-27 | 1979-08-27 | Manufacture of cathode-ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5632640A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6056338A (en) * | 1983-09-07 | 1985-04-01 | Matsushita Electronics Corp | Manufacture of small size cathode ray tube |
| US4662853A (en) * | 1985-03-25 | 1987-05-05 | U.S. Philips Corporation | Method of manufacturing a color display tube and device for carrying out said method |
-
1979
- 1979-08-27 JP JP10892879A patent/JPS5632640A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6056338A (en) * | 1983-09-07 | 1985-04-01 | Matsushita Electronics Corp | Manufacture of small size cathode ray tube |
| JPH0524607B2 (en) * | 1983-09-07 | 1993-04-08 | Matsushita Electronics Corp | |
| US4662853A (en) * | 1985-03-25 | 1987-05-05 | U.S. Philips Corporation | Method of manufacturing a color display tube and device for carrying out said method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IE43761L (en) | Astigmatic focus correction | |
| GB1507122A (en) | Colour tube static convergence structure | |
| JPS57206173A (en) | Focusing deflecting device for charged corpuscule beam | |
| GB520820A (en) | Improvements in or relating to electric discharge tubes | |
| GB1461121A (en) | Deflection coil system for colour television | |
| JPS5632640A (en) | Manufacture of cathode-ray tube | |
| GB739068A (en) | Improvements in or relating to cathode ray tube arrangements | |
| JPS59207784A (en) | Static convergence of color picture tube and method and device for regulating purity | |
| JPS5535449A (en) | Electromagnetic focusing type cathode ray tube | |
| JPS57126047A (en) | Color cathode-ray tube | |
| JPH0665000B2 (en) | Color picture tube manufacturing method | |
| GB699739A (en) | Improvements relating to cathode ray tubes | |
| JPS56109439A (en) | Adjustment of static convergence of electromagnetic focusing cathode-ray tube | |
| GB892939A (en) | Deflection yoke | |
| JPS573350A (en) | Cathode-ray tube device | |
| GB828043A (en) | Deflection yoke core for cathode ray tubes | |
| JPS56109440A (en) | Electromagnetic focusing cathode-ray tube | |
| JPS57168455A (en) | Color cathode-ray tube | |
| JPS56156633A (en) | Manufacture and manufacturing device for color picture tube | |
| JPS6412448A (en) | Deflection york | |
| JPS57138751A (en) | Color picture tube | |
| JPS59173932A (en) | Production method of crt | |
| JPS57191944A (en) | Solenoid focusing type cathode-ray tube | |
| JPS5593641A (en) | Electromagnetic focussing cathode ray tube | |
| JPS5650038A (en) | Electromagnetic focusing type colour picture tube |