JPH0170253U - - Google Patents
Info
- Publication number
- JPH0170253U JPH0170253U JP1987166089U JP16608987U JPH0170253U JP H0170253 U JPH0170253 U JP H0170253U JP 1987166089 U JP1987166089 U JP 1987166089U JP 16608987 U JP16608987 U JP 16608987U JP H0170253 U JPH0170253 U JP H0170253U
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- cathode ray
- inspection device
- suction pad
- suction
- 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
- 238000010894 electron beam technology Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Description
第１図は本考案に係るブラウン管検査装置の実
施例を示す図、第２図はブラウン管面上の蛍光体
と電子ビームの位置関係を示す図、第３図は従来
の検査装置を示す図、第４図は本考案のブラウン
管検査装置の他の実施例を示す図、第５図は測定
可能領域を示す図である。
１……赤Ｒの蛍光体、２……緑Ｇの蛍光体、３
……青Ｂの蛍光体、４……非発光物質、５……Ｒ
の電子ビーム、６……Ｇの電子ビーム、７……Ｂ
の電子ビーム、８，９……電子ビームの境界線、
１０……目、１２……ブラウン管、１３……顕微
鏡、１４……手、１５，３１……偏向コイル、１
６，３６……四角形の磁性体、１７，１８……巻
線、１９，２０，３９〜４２……連動する切換ス
イツチ、２１，４３……直流電源、２４……吸着
部、２５……ブラウン管前面部、２６……外周側
の吸着パツド、２７……内周側の吸着パツド、２
８……吸気孔、２９……吸気コツク、３０……吸
気パイプ、３２……電極、３３……接眼レンズ、
３４……焦点調節用つまみ、３５……対物レンズ
、３７……第１の偏向コイル、３８……第２の偏
向コイル。
FIG. 1 is a diagram showing an embodiment of the cathode ray tube inspection device according to the present invention, FIG. 2 is a diagram showing the positional relationship between the phosphor on the cathode ray tube surface and the electron beam, and FIG. 3 is a diagram showing a conventional inspection device. FIG. 4 is a diagram showing another embodiment of the cathode ray tube inspection device of the present invention, and FIG. 5 is a diagram showing a measurable area. 1... Red R phosphor, 2... Green G phosphor, 3
...Blue B phosphor, 4...Non-luminescent substance, 5...R
electron beam of 6...G electron beam, 7...B
electron beam, 8, 9...boundary line of electron beam,
10...Eye, 12...Cathode ray tube, 13...Microscope, 14...Hand, 15,31...Deflection coil, 1
6, 36... Rectangular magnetic body, 17, 18... Winding wire, 19, 20, 39-42... Interlocking changeover switch, 21, 43... DC power supply, 24... Adsorption part, 25... Braun tube Front part, 26... Suction pad on the outer circumference side, 27... Suction pad on the inner circumference side, 2
8... Intake hole, 29... Intake hole, 30... Intake pipe, 32... Electrode, 33... Eyepiece,
34... Focus adjustment knob, 35... Objective lens, 37... First deflection coil, 38... Second deflection coil.
Claims (1)
の検査装置において、顕微鏡の対物レンズ側に設
けられ、ブラウン管面に密着されたとき密閉構造
となる吸着部と、 この吸着部に設けられ、ブラウン管面上にこれ
を密着させるための吸着パツドと、 この吸着パツド内に設けられ、互いに９０°異
なる方向へ電子ビームを偏位させるための２組の
コイルより成る偏向コイルと、 ブラウン管面上に前記吸着部を吸着固定するた
めの吸気孔と、 前記偏向コイルに流す直流電流の方向を各々独
立に切換えできる切換スイツチとを有して構成し
たことを特徴とするブラウン管検査装置。 (2) 顕微鏡を前記吸着パツドの中心から端部へ
ずらせて配置したことを特徴とする実用新案登録
請求の範囲第１項記載のブラウン管検査装置。[Scope of Claim for Utility Model Registration] (1) In an inspection device for a cathode ray tube used in a television receiver, etc., a suction part that is provided on the objective lens side of a microscope and forms a sealed structure when brought into close contact with the surface of the cathode ray tube; a suction pad provided in the part of the cathode ray tube to bring it into close contact with the surface of the cathode ray tube; and a deflection coil consisting of two sets of coils provided within this suction pad to deflect the electron beam in directions 90° different from each other. A cathode ray tube inspection device comprising: an intake hole for suctioning and fixing the suction portion on the surface of the cathode ray tube; and a changeover switch that can independently switch the direction of the direct current flowing through the deflection coil. . (2) The cathode ray tube inspection device according to claim 1, wherein the microscope is arranged to be shifted from the center of the suction pad to the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166089U JPH0170253U (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166089U JPH0170253U (en) | 1987-10-29 | 1987-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0170253U true JPH0170253U (en) | 1989-05-10 |
Family
ID=31453163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166089U Pending JPH0170253U (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0170253U (en) |
-
1987
- 1987-10-29 JP JP1987166089U patent/JPH0170253U/ja active Pending
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