JPS6368276U - - Google Patents
Info
- Publication number
- JPS6368276U JPS6368276U JP16180086U JP16180086U JPS6368276U JP S6368276 U JPS6368276 U JP S6368276U JP 16180086 U JP16180086 U JP 16180086U JP 16180086 U JP16180086 U JP 16180086U JP S6368276 U JPS6368276 U JP S6368276U
- Authority
- JP
- Japan
- Prior art keywords
- channel
- descrambler
- contract
- output stage
- subscriber terminal
- 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 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図はこの考案の一実施例による視聴制御装
置を示す構成図、第２図は従来の視聴制御装置を
示す構成図、第３図はデイスクランブル回路の例
を示す回路図である。
１……デイスクランブル回路、２……出力スイ
ツチ、３……データ復調器、４……コントローラ
。
FIG. 1 is a block diagram showing a viewing control device according to an embodiment of the invention, FIG. 2 is a block diagram showing a conventional viewing control device, and FIG. 3 is a circuit diagram showing an example of a descramble circuit. 1... Descramble circuit, 2... Output switch, 3... Data demodulator, 4... Controller.
Claims (1)
る際に、加入者用端末器またはデイスクランブル
・アダプタの出力段に、前記非契約チヤンネルで
あることを検出する検出手段と、この検出手段の
出力により前記出力段の映像信号に所定周波数差
の信号を付加するための発振回路と、この付加回
路とを備えたことを特徴とするＣＡＴＶ用の視聴
制御装置。 When receiving a non-contract channel of a CATV system, a detection means for detecting that the channel is a non-contract channel is provided at the output stage of the subscriber terminal or a descrambler adapter, and the output stage of the subscriber terminal or descrambler adapter detects that the channel is a non-contract channel. 1. A viewing control device for CATV, comprising: an oscillation circuit for adding a signal with a predetermined frequency difference to a video signal; and the addition circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16180086U JPS6368276U (en) | 1986-10-22 | 1986-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16180086U JPS6368276U (en) | 1986-10-22 | 1986-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6368276U true JPS6368276U (en) | 1988-05-09 |
Family
ID=31088452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16180086U Pending JPS6368276U (en) | 1986-10-22 | 1986-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6368276U (en) |
-
1986
- 1986-10-22 JP JP16180086U patent/JPS6368276U/ja active Pending
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