JPH0464884U - - Google Patents
Info
- Publication number
- JPH0464884U JPH0464884U JP1990107319U JP10731990U JPH0464884U JP H0464884 U JPH0464884 U JP H0464884U JP 1990107319 U JP1990107319 U JP 1990107319U JP 10731990 U JP10731990 U JP 10731990U JP H0464884 U JPH0464884 U JP H0464884U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- demodulating
- demodulated
- converting
- 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 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
従来例の構成図、第３図は従来のＣＡＴＶシステ
ムの音楽放送端末の構成図である。
１０１，１０２，２０１，３０１……入力端子
、１０３，１０４，２０２，３０２……チユーナ
部、１０５，２０３……復調部、１０６，２０４
……映像信号処理部、１０７，２０５，３０３…
…４相ＤＰＳＫ復調部、１０８，２０６，３０４
……ＰＣＭ復調部、１０９……切替え器、１１０
，２０７……映像出力端子、１１１，２０８，３
０５……音声出力端子。
FIG. 1 is a block diagram of an embodiment of the present invention, FIG. 2 is a block diagram of a conventional example, and FIG. 3 is a block diagram of a music broadcasting terminal of a conventional CATV system. 101, 102, 201, 301... Input terminal, 103, 104, 202, 302... Tuner section, 105, 203... Demodulation section, 106, 204
...Video signal processing section, 107, 205, 303...
...4-phase DPSK demodulation section, 108, 206, 304
... PCM demodulation section, 109 ... Switching device, 110
, 207...Video output terminal, 111, 208, 3
05...Audio output terminal.
Claims (1)
一定の周波数に変換する手段と、前記周波数変換
された信号を周波数復調する復調部と、前記周波
数復調された信号から映像信号を復調する手段と
、前記周波数復調されたＰＣＭ変調かつ４相ＤＰ
ＳＫ変調された信号から音声信号を復調する手段
とを有する衛星放送受信機において、ＣＡＴＶシ
ステムの音楽放送プログラムの信号を選局受信し
前記一定の周波数に変換して出力するチユーナ部
と、前記復調部からの周波数復調された信号と前
記チユーナ部から出力される信号を切替える切替
え器とを有することを特徴とする衛星放送受信機
。 means for selectively receiving a television broadcast signal from a broadcasting satellite and converting it to a constant frequency; a demodulator for frequency demodulating the frequency-converted signal; and a means for demodulating a video signal from the frequency-demodulated signal. , the frequency demodulated PCM modulation and 4-phase DP
A satellite broadcasting receiver having a means for demodulating an audio signal from an SK modulated signal, the tuner unit receiving a selected signal of a music broadcast program of a CATV system, converting it to the certain frequency and outputting the same, and the demodulating unit. What is claimed is: 1. A satellite broadcasting receiver comprising: a switch for switching between a frequency demodulated signal from the tuner section and a signal output from the tuner section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990107319U JPH0464884U (en) | 1990-10-12 | 1990-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990107319U JPH0464884U (en) | 1990-10-12 | 1990-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464884U true JPH0464884U (en) | 1992-06-04 |
Family
ID=31853774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990107319U Pending JPH0464884U (en) | 1990-10-12 | 1990-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464884U (en) |
-
1990
- 1990-10-12 JP JP1990107319U patent/JPH0464884U/ja active Pending
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