JPS6344572U - - Google Patents
Info
- Publication number
- JPS6344572U JPS6344572U JP13610886U JP13610886U JPS6344572U JP S6344572 U JPS6344572 U JP S6344572U JP 13610886 U JP13610886 U JP 13610886U JP 13610886 U JP13610886 U JP 13610886U JP S6344572 U JPS6344572 U JP S6344572U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- muting
- discrimination
- video signal
- 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
- 238000000926 separation method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 1
Description
第１図乃至第３図は、この考案の実施例を示す
もので、第１図はブロツク図、第２図は判別回路
の具体例を示す回路図、第３図は第２図の動作説
明用の波形図である。
２：映像信号伝送線路、４：同期分離回路、５
：判別回路、６：スイツチ回路。
1 to 3 show an embodiment of this invention. FIG. 1 is a block diagram, FIG. 2 is a circuit diagram showing a specific example of the discrimination circuit, and FIG. 3 is an explanation of the operation of FIG. 2. FIG. 2: Video signal transmission line, 4: Synchronization separation circuit, 5
: Discrimination circuit, 6: Switch circuit.
Claims (1)
号を生成出力する判別回路と、この判別回路のミ
ユーテイング信号に基づき映像信号の伝送線路に
ミユーテイングをかけるスイツチ回路とから構成
されていることを特徴とするミユーテイング回路
。 (2) 判別回路は、判別信号として同期分離回路
により映像信号から分離される同期信号を用いる
ように構成されているものであることを特徴とす
る実用新案登録請求の範囲第１項記載のミユーテ
イング回路。 (3) 判別回路は、判別信号としてバースト信号
を用いるように構成されているものであることを
特徴とする実用新案登録請求の範囲第１項記載の
ミユーテイング回路。[Claims for Utility Model Registration] (1) Consisting of a discrimination circuit that discriminates the presence or absence of a video signal and generates and outputs a muting signal, and a switch circuit that mutates the transmission line of the video signal based on the muting signal of this discrimination circuit. A mutating circuit characterized by: (2) Muting according to claim 1 of the utility model registration claim, characterized in that the discrimination circuit is configured to use a synchronization signal separated from the video signal by a synchronization separation circuit as a discrimination signal. circuit. (3) The muting circuit according to claim 1, wherein the discriminating circuit is configured to use a burst signal as a discriminating signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13610886U JPS6344572U (en) | 1986-09-06 | 1986-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13610886U JPS6344572U (en) | 1986-09-06 | 1986-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6344572U true JPS6344572U (en) | 1988-03-25 |
Family
ID=31038919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13610886U Pending JPS6344572U (en) | 1986-09-06 | 1986-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6344572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02222295A (en) * | 1989-02-22 | 1990-09-05 | Matsushita Electric Ind Co Ltd | Television receiver |
-
1986
- 1986-09-06 JP JP13610886U patent/JPS6344572U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02222295A (en) * | 1989-02-22 | 1990-09-05 | Matsushita Electric Ind Co Ltd | Television receiver |
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