JPS6224582U - - Google Patents
Info
- Publication number
- JPS6224582U JPS6224582U JP11685085U JP11685085U JPS6224582U JP S6224582 U JPS6224582 U JP S6224582U JP 11685085 U JP11685085 U JP 11685085U JP 11685085 U JP11685085 U JP 11685085U JP S6224582 U JPS6224582 U JP S6224582U
- Authority
- JP
- Japan
- Prior art keywords
- beam index
- circuit
- index
- display device
- output
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 1
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は、この考案のビームインデツクス方式
デイスプレイ装置の一実施例を示す回路構成図、
第２図は、第１図に示した回路各部の信号波形図
、第３図は、第１図に示した周波数弁別回路の弁
別特性を示す図、第４図は、従来のビームインデ
ツクス方式デイスプレイ装置の一例を示す回路構
成図、第５図は、第４図に示した受像管の螢光面
の構造を示す要部断面図である。
２ｒ……赤螢光体、２ｇ……緑螢光体、２ｂ…
…青螢光体、２ｉ……インデツクス螢光体、５…
…インデツクス信号検出回路、１１……ビームイ
ンデツクス方式デイスプレイ装置、１４……周波
数弁別回路、１５……振幅調整回路。
FIG. 1 is a circuit diagram showing an embodiment of the beam index type display device of this invention.
Figure 2 is a signal waveform diagram of each part of the circuit shown in Figure 1, Figure 3 is a diagram showing the discrimination characteristics of the frequency discrimination circuit shown in Figure 1, and Figure 4 is a diagram of the conventional beam index method. FIG. 5, which is a circuit diagram showing an example of a display device, is a sectional view of a main part showing the structure of the fluorescent surface of the picture tube shown in FIG. 4. 2r...Red phosphor, 2g...Green phosphor, 2b...
...Blue phosphor, 2i...Index phosphor, 5...
... index signal detection circuit, 11 ... beam index type display device, 14 ... frequency discrimination circuit, 15 ... amplitude adjustment circuit.
Claims (1)
ツクス螢光体が１トリプレツトを構成するビーム
インデツクス方式デイスプレイ装置であつて、前
記インデツクス螢光体が発する光を検出するビー
ムインデツクス信号検出回路と、このビームイン
デツクス信号検出回路の出力を、最適偏向時の基
準周波数を中心に周波数弁別する周波数弁別回路
と、この周波数弁別回路の出力に応じて水平振幅
を可変し、水平偏向を最適化する振幅調整回路と
を設けてなるビームインデツクス方式デイスプレ
イ装置。 A beam index display device in which a set of primary color phosphors and an index phosphor for beam position detection constitute one triplet, and a beam index signal detection circuit for detecting light emitted by the index phosphors. and a frequency discrimination circuit that discriminates the output of this beam index signal detection circuit around the reference frequency at the time of optimum deflection, and a horizontal amplitude is varied according to the output of this frequency discrimination circuit to optimize horizontal deflection. A beam index type display device comprising an amplitude adjustment circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11685085U JPS6224582U (en) | 1985-07-30 | 1985-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11685085U JPS6224582U (en) | 1985-07-30 | 1985-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6224582U true JPS6224582U (en) | 1987-02-14 |
Family
ID=31001825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11685085U Pending JPS6224582U (en) | 1985-07-30 | 1985-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6224582U (en) |
-
1985
- 1985-07-30 JP JP11685085U patent/JPS6224582U/ja active Pending
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