JPS63134446U - - Google Patents
Info
- Publication number
- JPS63134446U JPS63134446U JP2698587U JP2698587U JPS63134446U JP S63134446 U JPS63134446 U JP S63134446U JP 2698587 U JP2698587 U JP 2698587U JP 2698587 U JP2698587 U JP 2698587U JP S63134446 U JPS63134446 U JP S63134446U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic shield
- ray tube
- cathode ray
- color cathode
- internal magnetic
- 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
- 239000000696 magnetic material Substances 0.000 claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図はこの考案の一実施例によるカラー陰極
線管の内部磁気シールドを背面から見た斜視図、
第２図は第１図の―線に沿う断面図、第３図
は第１図の―線に沿う断面図、第４図は磁束
分布図、第５図は従来のカラー陰極線管の要部を
示す断面図、第６図は従来の内部磁気シールドの
斜視図、第７図は磁束分布図である。
１……バルブ、１ａ……フエースパネル、２…
…マスクフレーム、３……内部磁気シールド、３
ａ……切欠部、４……シヤドウマスク、５……塞
ぎ板。なお、図中、同一符号は同一または相当部
分を示す。
FIG. 1 is a perspective view of the internal magnetic shield of a color cathode ray tube according to an embodiment of this invention, viewed from the back;
Figure 2 is a sectional view taken along line - in Figure 1, Figure 3 is a sectional view taken along line - in Figure 1, Figure 4 is a magnetic flux distribution diagram, and Figure 5 is the main parts of a conventional color cathode ray tube. FIG. 6 is a perspective view of a conventional internal magnetic shield, and FIG. 7 is a magnetic flux distribution diagram. 1...Valve, 1a...Face panel, 2...
...Mask frame, 3...Internal magnetic shield, 3
a... Notch, 4... Shadow mask, 5... Closing plate. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
ースパネルに対向するマスクフレームに支持され
た内部磁気シールドの四隅部に、上記マスクフレ
ームとの間の磁気抵抗を増加させるための切欠部
を形成したことを特徴とするカラー陰極線管の内
部磁気シールド。 (2) 内部磁気シールドの四隅部にそれぞれ形成
された切欠部を、非磁性材料からなる塞ぎ板によ
つて閉塞した実用新案登録請求の範囲第１項記載
のカラー陰極線管の内部磁気シールド。 (3) 塞ぎ板は、アルミニウム、ステンレスまた
は合成樹脂などの非磁性材料からなる実用新案登
録請求の範囲第２項記載のカラー陰極線管の内部
磁気シールド。[Claims for Utility Model Registration] (1) In a color cathode ray tube, for increasing the magnetic resistance between the four corners of the internal magnetic shield supported by the mask frame facing the face panel of the bulb and the mask frame. An internal magnetic shield for a color cathode ray tube, characterized by having a notch formed therein. (2) The internal magnetic shield for a color cathode ray tube according to claim 1, wherein cutouts formed at each of the four corners of the internal magnetic shield are closed by closing plates made of a non-magnetic material. (3) The internal magnetic shield of the color cathode ray tube according to claim 2, wherein the closing plate is made of a non-magnetic material such as aluminum, stainless steel or synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2698587U JPS63134446U (en) | 1987-02-25 | 1987-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2698587U JPS63134446U (en) | 1987-02-25 | 1987-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63134446U true JPS63134446U (en) | 1988-09-02 |
Family
ID=30828594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2698587U Pending JPS63134446U (en) | 1987-02-25 | 1987-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63134446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020091609A (en) * | 2001-05-31 | 2002-12-06 | 주식회사 엘지이아이 | Color Cathode-ray Tube Containing Improved Inner Shield |
-
1987
- 1987-02-25 JP JP2698587U patent/JPS63134446U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020091609A (en) * | 2001-05-31 | 2002-12-06 | 주식회사 엘지이아이 | Color Cathode-ray Tube Containing Improved Inner Shield |
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