JPS63185362U - - Google Patents
Info
- Publication number
- JPS63185362U JPS63185362U JP7590287U JP7590287U JPS63185362U JP S63185362 U JPS63185362 U JP S63185362U JP 7590287 U JP7590287 U JP 7590287U JP 7590287 U JP7590287 U JP 7590287U JP S63185362 U JPS63185362 U JP S63185362U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pulse
- clipping
- display
- switching transistor
- 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
- 230000004069 differentiation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の表示位置設定回路を実施した
テレビジヨン受像機を示す図、第２図はその要部
の動作を説明するための波形図、第３図は従来の
表示位置設定回路の動作を説明するための波形図
、第４図は従来の欠点を説明するための図である
。
１７……マイクロコンピユータ（表示回路）、
１９……水平位置設定パルス作成回路、２０……
微分回路、ＺＤ……定電圧ダイオード（クリツプ
回路）、Ｑ……スイツチングトランジスタ。
Fig. 1 is a diagram showing a television receiver implementing the display position setting circuit of the present invention, Fig. 2 is a waveform diagram for explaining the operation of its main parts, and Fig. 3 is a diagram of a conventional display position setting circuit. A waveform diagram for explaining the operation, and FIG. 4 are diagrams for explaining the conventional drawbacks. 17...Microcomputer (display circuit),
19...Horizontal position setting pulse generation circuit, 20...
Differential circuit, ZD...constant voltage diode (clip circuit), Q...switching transistor.
Claims (1)
置を、入力パルスのパルス幅に応じて設定する表
示回路を備えたテレビジヨン受像機において、フ
ライバツクパルスを所定レベルでクリツプするク
リツプ回路と、該クリツプ回路で得られたパルス
を微分する微分回路と、該微分回路で得られる微
分電圧の前半の電圧で駆動されるスイツチングト
ランジスタからなる水平位置設定パルス作成回路
を設け、このパルス作成回路の前記スイツチング
トランジスタから得られるパルスを上記表示回路
に入力するようにしたことを特徴とするテレビジ
ヨン受像機の表示位置設定回路。 A clipping circuit for clipping flyback pulses at a predetermined level, and a clipping circuit for clipping flyback pulses at a predetermined level, in a television receiver equipped with a display circuit that sets the display position of channel characters etc. projected on the screen according to the pulse width of an input pulse. A horizontal position setting pulse generation circuit consisting of a differentiation circuit for differentiating the pulse obtained by the circuit and a switching transistor driven by the first half voltage of the differential voltage obtained by the differentiation circuit is provided, and the above-mentioned switch of this pulse generation circuit is provided. 1. A display position setting circuit for a television receiver, characterized in that a pulse obtained from a switching transistor is input to the display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7590287U JPS63185362U (en) | 1987-05-20 | 1987-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7590287U JPS63185362U (en) | 1987-05-20 | 1987-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63185362U true JPS63185362U (en) | 1988-11-29 |
Family
ID=30922478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7590287U Pending JPS63185362U (en) | 1987-05-20 | 1987-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63185362U (en) |
-
1987
- 1987-05-20 JP JP7590287U patent/JPS63185362U/ja active Pending
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