JPS6246492U - - Google Patents
Info
- Publication number
- JPS6246492U JPS6246492U JP13775585U JP13775585U JPS6246492U JP S6246492 U JPS6246492 U JP S6246492U JP 13775585 U JP13775585 U JP 13775585U JP 13775585 U JP13775585 U JP 13775585U JP S6246492 U JPS6246492 U JP S6246492U
- Authority
- JP
- Japan
- Prior art keywords
- mode
- switching circuit
- signal
- external
- contact
- 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
Description
第１図は本考案の一実施例におけるモード切換
回路の回路図、第２図は従来のモード切換回路の
回路図、第３図はスーパーインポーズモードにお
けるコントロール信号の説明図である。
１……２１ピンマルチコネクタ、２……信号切
換用ＩＣ、Ｓ１，Ｓ２……第１、第２切換スイツ
チ、Ｔｒ……スイツチングトランジスタ。
FIG. 1 is a circuit diagram of a mode switching circuit according to an embodiment of the present invention, FIG. 2 is a circuit diagram of a conventional mode switching circuit, and FIG. 3 is an explanatory diagram of control signals in superimpose mode. 1...21-pin multi-connector, 2...Signal switching IC, S1 , S2 ...first and second changeover switches, Tr...switching transistor.
Claims (1)
端子と、内部ＲＧＢ信号を発生する手段と、前記
外部若しくは内部ＲＧＢ信号を選択的に切換える
信号切換回路と、外部ＲＧＢモード、内部ＲＧＢ
モード及びスーパーインポーズモードとで夫々異
なる制御信号を前記切換回路へ供給することによ
りモードを切換えるモード切換回路とを備えるテ
レビジヨン受信機において、前記モード切換回路
を、外部からの制御信号が入力され、前記３つの
モードに応じて夫々切換えられる第１、第２及び
第３接点を有する切換スイツチと、そのベースは
前記第１接点に接続され、そのコレクタは接地さ
れると共に前記第２接点及び前記信号切換回路に
接続されるスイツチングトランジスタとで構成し
て成るテレビジヨン受信機。 an input terminal for inputting an external RGB signal from an external device; a means for generating an internal RGB signal; a signal switching circuit for selectively switching the external or internal RGB signal; an external RGB mode; an internal RGB mode;
In a television receiver equipped with a mode switching circuit that switches modes by supplying different control signals to the switching circuit in mode and superimpose mode, the mode switching circuit is connected to an external control signal. , a changeover switch having first, second and third contacts respectively switched according to the three modes, the base of which is connected to the first contact, the collector of which is grounded and the second contact and the third contact. A television receiver consisting of a switching transistor connected to a signal switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13775585U JPS6246492U (en) | 1985-09-09 | 1985-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13775585U JPS6246492U (en) | 1985-09-09 | 1985-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6246492U true JPS6246492U (en) | 1987-03-20 |
Family
ID=31042103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13775585U Pending JPS6246492U (en) | 1985-09-09 | 1985-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19744712B4 (en) * | 1996-10-11 | 2006-05-11 | Lg Electronics Inc. | Device for the simultaneous display of TV and PC pictures |
-
1985
- 1985-09-09 JP JP13775585U patent/JPS6246492U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19744712B4 (en) * | 1996-10-11 | 2006-05-11 | Lg Electronics Inc. | Device for the simultaneous display of TV and PC pictures |
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