JPS61109281U - - Google Patents
Info
- Publication number
- JPS61109281U JPS61109281U JP19391784U JP19391784U JPS61109281U JP S61109281 U JPS61109281 U JP S61109281U JP 19391784 U JP19391784 U JP 19391784U JP 19391784 U JP19391784 U JP 19391784U JP S61109281 U JPS61109281 U JP S61109281U
- Authority
- JP
- Japan
- Prior art keywords
- output
- delay line
- signal
- television signal
- color 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
- 230000001934 delay Effects 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案一実施例の回路ブロツク図、第
２図、第３図は波形図、第４図は従来例の回路ブ
ロツク図である。
１１……１Ｈ遅延線、１２……加算器、１３…
…減算器、１４……切換スイツチ、１５……第１
バンドパスフイルタ、１８……第２バンドパスフ
イルタ、１９……検波回路、２０……整形回路。
FIG. 1 is a circuit block diagram of an embodiment of the present invention, FIGS. 2 and 3 are waveform diagrams, and FIG. 4 is a circuit block diagram of a conventional example. 11...1H delay line, 12...adder, 13...
...Subtractor, 14...Selector switch, 15...First
Bandpass filter, 18... Second bandpass filter, 19... Detection circuit, 20... Shaping circuit.
Claims (1)
延線と、入力カラーテレビジヨン信号と前記１Ｈ
遅延線出力とを加算する加算器と、前記入力カラ
ーテレビジヨン信号と前記１Ｈ遅延線出力との差
を得る減算器と、前記入力カラーテレビジヨン信
号と前記減算器出力のうち一方を選択する切換ス
イツチと、該切換スイツチ出力を入力とするバン
ドパスフイルタと、前記加算器出力中の色信号成
分に基づき制御パルスを作成する判別手段とを備
え、前記制御パルスにて前記切換スイツチを制御
する輝度信号／色信号分離回路。 a 1H delay line that delays a color television signal by 1H; and a 1H delay line that delays a color television signal by 1H;
an adder for adding the delay line output; a subtracter for obtaining a difference between the input color television signal and the 1H delay line output; and a switch for selecting one of the input color television signal and the subtracter output. a bandpass filter that receives the output of the changeover switch as an input, and a discrimination means that creates a control pulse based on the color signal component in the output of the adder, and the control pulse controls the brightness of the changeover switch. Signal/color signal separation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19391784U JPS61109281U (en) | 1984-12-20 | 1984-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19391784U JPS61109281U (en) | 1984-12-20 | 1984-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61109281U true JPS61109281U (en) | 1986-07-10 |
Family
ID=30751349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19391784U Pending JPS61109281U (en) | 1984-12-20 | 1984-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61109281U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328332A (en) * | 1976-08-27 | 1978-03-16 | Mitsubishi Electric Corp | Television set |
| JPS55150687A (en) * | 1979-05-15 | 1980-11-22 | Sony Corp | Separating circuit of color video signal |
-
1984
- 1984-12-20 JP JP19391784U patent/JPS61109281U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328332A (en) * | 1976-08-27 | 1978-03-16 | Mitsubishi Electric Corp | Television set |
| JPS55150687A (en) * | 1979-05-15 | 1980-11-22 | Sony Corp | Separating circuit of color video signal |
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