JPS6190366U - - Google Patents
Info
- Publication number
- JPS6190366U JPS6190366U JP17710184U JP17710184U JPS6190366U JP S6190366 U JPS6190366 U JP S6190366U JP 17710184 U JP17710184 U JP 17710184U JP 17710184 U JP17710184 U JP 17710184U JP S6190366 U JPS6190366 U JP S6190366U
- Authority
- JP
- Japan
- Prior art keywords
- detection output
- video detection
- resistance value
- control resistor
- television
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Description
第１図はこの考案の一実施例を示すブロツク線
図、第２図は従来の異なつた放送方式のテレビジ
ヨン信号を受信するテレビジヨン受像機の一例を
示すブロツク線図である。
図において３は映像中間周波増幅・検波回路、
１３は本式切換え信号発生器、１４は第１の制御
抵抗、１５は第２の制御抵抗、１６はスイツチン
グトランジスタ、１８は映像検波出力切換え手段
である。図中同一符号は同一或は相当部分を示す
。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram showing an example of a conventional television receiver for receiving television signals of different broadcasting systems. In the figure, 3 is a video intermediate frequency amplification/detection circuit;
13 is a switching signal generator of this type, 14 is a first control resistor, 15 is a second control resistor, 16 is a switching transistor, and 18 is a video detection output switching means. The same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
信するテレビジヨン受像機においが、映像検波回
路の検波出力制御抵抗の抵抗値を、方式切換え信
号により切り換える映像検波出力切換え手段を設
けたことを特徴とするテレビジヨン受像機。 (2) 上記映像検波出力切換え手段を、第１の放
送方式のテレビジヨン信号受信に適した映像検波
出力制御抵抗値の第１の制御抵抗に並列に、この
制御抵抗との並列抵抗値が第２の放送方式のテレ
ビジヨン信号受信に適した映像検波出力制御抵抗
値となる第２の制御抵抗とスイツチングトランジ
スタとの直列回路を接続し、このスイツチングト
ランジスタを上記第１の放送方式から第２の放送
方式への方式切換え信号によつて導通させる様構
成したことを特徴とするテレビジヨン受像機。[Claims for Utility Model Registration] (1) A video detection output in which a television receiver that receives television signals of different broadcasting systems switches the resistance value of a detection output control resistor of a video detection circuit by a system switching signal. A television receiver characterized by being provided with switching means. (2) The video detection output switching means is connected in parallel to a first control resistor whose video detection output control resistance value is suitable for receiving a television signal of the first broadcasting method, and the parallel resistance value with this control resistor is the first control resistor. A series circuit of a switching transistor and a second control resistor having a video detection output control resistance value suitable for receiving television signals of the second broadcasting system is connected, and this switching transistor is connected to 1. A television receiver characterized in that it is configured to be electrically connected by a system switching signal to the broadcasting system of item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17710184U JPS6190366U (en) | 1984-11-19 | 1984-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17710184U JPS6190366U (en) | 1984-11-19 | 1984-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6190366U true JPS6190366U (en) | 1986-06-12 |
Family
ID=30734677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17710184U Pending JPS6190366U (en) | 1984-11-19 | 1984-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6190366U (en) |
-
1984
- 1984-11-19 JP JP17710184U patent/JPS6190366U/ja active Pending
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