JPS63163080U - - Google Patents
Info
- Publication number
- JPS63163080U JPS63163080U JP5569787U JP5569787U JPS63163080U JP S63163080 U JPS63163080 U JP S63163080U JP 5569787 U JP5569787 U JP 5569787U JP 5569787 U JP5569787 U JP 5569787U JP S63163080 U JPS63163080 U JP S63163080U
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- television receiver
- audio
- terminal device
- outputting
- 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
- 230000005236 sound signal Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は、本考案のＣＡＴＶ端末装置の一実施
例のブロツク回路図であり、第２図は、第１図の
ローパスフイルタの特性を説明する図であり、第
３図は、従来のステレオデコーダにより契約者が
音声信号を音声多重放送として受信できるように
するブロツク回路図であり、第４図は、テレビジ
ヨン受像機にステレオデコーダが内蔵されて未契
約者も音声信号を音声多重放送として受信できる
ことを説明するブロツク回路図である。
１０：コンバータ、１１：復調回路、１２：テ
レビジヨン受像機、１３：第１の音声信号経路、
１４：ローパスフイルタ、１５：第２の音声信号
経路、１６：スイツチ、１７：制御回路。
FIG. 1 is a block circuit diagram of an embodiment of the CATV terminal device of the present invention, FIG. 2 is a diagram explaining the characteristics of the low-pass filter of FIG. 1, and FIG. This is a block circuit diagram that allows subscribers to receive audio signals as audio multiplex broadcasts using a decoder. Figure 4 shows a television receiver with a built-in stereo decoder that allows non-subscribers to receive audio signals as audio multiplex broadcasts. FIG. 2 is a block circuit diagram explaining that reception is possible. 10: converter, 11: demodulation circuit, 12: television receiver, 13: first audio signal path,
14: low pass filter, 15: second audio signal path, 16: switch, 17: control circuit.
Claims (1)
路で分離された映像信号と音声信号を後段に接続
されたテレビジヨン受像機に出力するＣＡＴＶ端
末装置において、前記音声信号をそのまま前記テ
レビジヨン受像機に出力する第１の音声信号経路
と、前記音声信号の主チヤンネル成分のみを通過
させるローパスフイルタを介して前記テレビジヨ
ン受像機に出力する第２の音声信号経路と、ＣＡ
ＴＶ局からの制御により前記第１と第２の音声信
号経路のいずれか一方を選択するスイツチ手段と
、を備えたことを特徴とするＣＡＴＶ端末装置。 In a CATV terminal device that is supplied with an audio multiplexed television signal and outputs a video signal and an audio signal separated by a demodulation circuit to a television receiver connected to a subsequent stage, the audio signal is directly sent to the television receiver. a first audio signal path for outputting the audio signal; a second audio signal path for outputting the audio signal to the television receiver via a low-pass filter that passes only the main channel component of the audio signal;
A CATV terminal device comprising: switch means for selecting one of the first and second audio signal paths under control from a TV station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5569787U JPS63163080U (en) | 1987-04-13 | 1987-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5569787U JPS63163080U (en) | 1987-04-13 | 1987-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63163080U true JPS63163080U (en) | 1988-10-25 |
Family
ID=30883837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5569787U Pending JPS63163080U (en) | 1987-04-13 | 1987-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63163080U (en) |
-
1987
- 1987-04-13 JP JP5569787U patent/JPS63163080U/ja active Pending
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