JPH0353735B2 - - Google Patents
Info
- Publication number
- JPH0353735B2 JPH0353735B2 JP8693781A JP8693781A JPH0353735B2 JP H0353735 B2 JPH0353735 B2 JP H0353735B2 JP 8693781 A JP8693781 A JP 8693781A JP 8693781 A JP8693781 A JP 8693781A JP H0353735 B2 JPH0353735 B2 JP H0353735B2
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- tube
- permanent magnet
- yokes
- shape
- 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
- 230000004907 flux Effects 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 5
- 230000035699 permeability Effects 0.000 claims description 5
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 238000010894 electron beam technology Methods 0.000 description 10
- 230000003068 static effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
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
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8693781A JPS57202044A (en) | 1981-06-08 | 1981-06-08 | Electromagnetic focusing type cathode-ray tube |
| US06/329,045 US4460844A (en) | 1980-12-15 | 1981-12-09 | Magnetic focusing, three in-line gun type color picture tube |
| DE19813149437 DE3149437A1 (de) | 1980-12-15 | 1981-12-14 | Dreistrahl-inlinie-farbfernsehroehre mit magnetischer fokussierung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8693781A JPS57202044A (en) | 1981-06-08 | 1981-06-08 | Electromagnetic focusing type cathode-ray tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57202044A JPS57202044A (en) | 1982-12-10 |
| JPH0353735B2 true JPH0353735B2 (en]) | 1991-08-16 |
Family
ID=13900778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8693781A Granted JPS57202044A (en) | 1980-12-15 | 1981-06-08 | Electromagnetic focusing type cathode-ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57202044A (en]) |
-
1981
- 1981-06-08 JP JP8693781A patent/JPS57202044A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57202044A (en) | 1982-12-10 |
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