JPS6181274U - - Google Patents
Info
- Publication number
- JPS6181274U JPS6181274U JP16662684U JP16662684U JPS6181274U JP S6181274 U JPS6181274 U JP S6181274U JP 16662684 U JP16662684 U JP 16662684U JP 16662684 U JP16662684 U JP 16662684U JP S6181274 U JPS6181274 U JP S6181274U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detection circuit
- detects
- synchronization
- circuit
- 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 5
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- 238000004904 shortening Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
図面は本考案の一実施例に関し、第１図は本考
案の回路ブロツク図、第２図はその各部の波形図
である。
１…磁気デイスク、７…同期分離回路、１０…
第１検出回路、２０…第２検出回路。
The drawings relate to an embodiment of the present invention; FIG. 1 is a circuit block diagram of the present invention, and FIG. 2 is a waveform diagram of each part thereof. 1...Magnetic disk, 7...Synchronization separation circuit, 10...
1st detection circuit, 20... 2nd detection circuit.
Claims (1)
スクの再生装置に於いて、 再生映像信号と入力する同期分離回路と、 前記同期分離回路からの同期信号の周期性を短
周期で検出する第１検出回路と、 前記第１検出回路の出力信号の発生を長周期で
少なくとも１回は検出して判別信号を導出する第
２検出回路とを、 備えることを特徴とする映像信号判別装置。[Claims for Utility Model Registration] A reproducing device for a magnetic disk on which a video signal or a data signal is recorded, comprising: a synchronization separation circuit that inputs the reproduced video signal; and a method for shortening the periodicity of the synchronization signal from the synchronization separation circuit. An image characterized by comprising: a first detection circuit that detects the output signal in a periodic manner; and a second detection circuit that detects the generation of the output signal of the first detection circuit at least once in a long period and derives a discrimination signal. Signal discriminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16662684U JPS6181274U (en) | 1984-11-02 | 1984-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16662684U JPS6181274U (en) | 1984-11-02 | 1984-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6181274U true JPS6181274U (en) | 1986-05-29 |
Family
ID=30724434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16662684U Pending JPS6181274U (en) | 1984-11-02 | 1984-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6181274U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57140080A (en) * | 1981-02-20 | 1982-08-30 | Sony Corp | Discriminating circuit for presence of broadcasting wave |
-
1984
- 1984-11-02 JP JP16662684U patent/JPS6181274U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57140080A (en) * | 1981-02-20 | 1982-08-30 | Sony Corp | Discriminating circuit for presence of broadcasting wave |
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