JPS61206363U - - Google Patents
Info
- Publication number
- JPS61206363U JPS61206363U JP9065385U JP9065385U JPS61206363U JP S61206363 U JPS61206363 U JP S61206363U JP 9065385 U JP9065385 U JP 9065385U JP 9065385 U JP9065385 U JP 9065385U JP S61206363 U JPS61206363 U JP S61206363U
- Authority
- JP
- Japan
- Prior art keywords
- horizontal
- deflection
- ray tube
- cathode ray
- image
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 1
Description
第１図ないし第３図は本考案の一実施例を示し
、第１図は本実施例の画像表示装置全体の構成を
表わすブロツク図、第２図はその水平出力回路８
ｂ及び水平振幅切替回路８ｃを表わす回路図、第
３図は水平偏向コイルに流れる水平偏向コイル電
流ｉを表わす線図である。
４…映像信号出力回路、５…表示ブラウン管（
ＣＲＴ）、５ｃ…垂直偏向コイル、５ｄ…水平偏
向コイル、６…同期回路、７…垂直偏向回路、８
…水平偏向回路、８ｂ…水平出力回路、８ｃ…水
平振幅切替回路。
1 to 3 show an embodiment of the present invention, FIG. 1 is a block diagram showing the overall configuration of the image display device of this embodiment, and FIG. 2 is a horizontal output circuit 8 thereof.
FIG. 3 is a circuit diagram showing the horizontal amplitude switching circuit 8c and the horizontal amplitude switching circuit 8c, and FIG. 3 is a diagram showing the horizontal deflection coil current i flowing through the horizontal deflection coil. 4...Video signal output circuit, 5...Display cathode ray tube (
CRT), 5c... Vertical deflection coil, 5d... Horizontal deflection coil, 6... Synchronous circuit, 7... Vertical deflection circuit, 8
...Horizontal deflection circuit, 8b...Horizontal output circuit, 8c...Horizontal amplitude switching circuit.
Claims (1)
示ブラウン管と、 該表示ブラウン管に映像信号を出力する映像信
号出力回路と、 該映像信号の同期信号を水平及び垂直同期信号
に分離する同期回路と、 該水平同期信号に対応して、上記表示ブラウン
管の水平偏向コイルに偏向電流を流す水平偏向回
路と、 上記垂直同期信号に対応して、上記表示ブラウ
ン管の垂直偏向コイルに偏向電流を流す垂直偏向
回路と、 を備え、テレビ放送画像の表示可能な画像表示装
置であつて、 上記表示ブラウン管にテレビ放送画像を表示す
る際、表示画像の縦横比がテレビ放送画像と一致
するよう、上記水平又は垂直偏向コイルに流れる
偏向電流の振幅を小さくする偏向電流切替回路を
設けたことを特徴とする画像表示装置。[Scope of Claim for Utility Model Registration] A display cathode ray tube whose display screen has a different aspect ratio from that of a television broadcast image, a video signal output circuit that outputs a video signal to the display cathode ray tube, and a horizontal and vertical synchronization signal for synchronizing the video signal. a horizontal deflection circuit that supplies a deflection current to the horizontal deflection coil of the display cathode ray tube in response to the horizontal synchronization signal; and a horizontal deflection circuit that supplies the vertical deflection coil of the display cathode ray tube in response to the vertical synchronization signal. an image display device capable of displaying a television broadcast image, comprising: a vertical deflection circuit that allows a deflection current to flow; and an image display device capable of displaying a television broadcast image, wherein when displaying the television broadcast image on the display cathode ray tube, the aspect ratio of the displayed image matches that of the television broadcast image. An image display device comprising: a deflection current switching circuit that reduces the amplitude of the deflection current flowing through the horizontal or vertical deflection coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9065385U JPS61206363U (en) | 1985-06-14 | 1985-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9065385U JPS61206363U (en) | 1985-06-14 | 1985-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61206363U true JPS61206363U (en) | 1986-12-26 |
Family
ID=30645841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9065385U Pending JPS61206363U (en) | 1985-06-14 | 1985-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61206363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193779A (en) * | 1987-02-06 | 1988-08-11 | Matsushita Electric Ind Co Ltd | Television receiver |
-
1985
- 1985-06-14 JP JP9065385U patent/JPS61206363U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193779A (en) * | 1987-02-06 | 1988-08-11 | Matsushita Electric Ind Co Ltd | Television receiver |
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