JPS6372952U - - Google Patents
Info
- Publication number
- JPS6372952U JPS6372952U JP1986167576U JP16757686U JPS6372952U JP S6372952 U JPS6372952 U JP S6372952U JP 1986167576 U JP1986167576 U JP 1986167576U JP 16757686 U JP16757686 U JP 16757686U JP S6372952 U JPS6372952 U JP S6372952U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- branching filter
- divides
- outputs
- frequency domain
- 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.)
- Granted
Links
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Stereo-Broadcasting Methods (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は第１図に示す信号処理回路周辺の詳細ブ
ロツク図、第３図ａ〜ｆは本考案における有信号
時の動作説明波形図、第４図ａ〜ｆは本考案にお
ける無信号時の動作説明波形図、第５図はＦＭス
テレオ波の信号分布図である。
１…ＦＭ復調器、２…低域フイルタ、３，４…
帯域フイルタ、５…ｆＰ発生器、６…同期検波回
路、７，８…分波器、９…信号処理回路、１０…
マトリクス回路、１５…検波器、１６…信号発生
回路、１７…スイツチ回路、１８…加算回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is a detailed block diagram of the vicinity of the signal processing circuit shown in Fig. 1, Figs. 3 a to f are waveform diagrams explaining the operation when a signal is present in the present invention, and Figs. 4 a to f are during no signal in the present invention. FIG. 5 is a signal distribution diagram of FM stereo waves. 1...FM demodulator, 2...Low pass filter, 3, 4...
Bandwidth filter, 5... fP generator, 6... synchronous detection circuit, 7, 8... duplexer, 9... signal processing circuit, 10...
Matrix circuit, 15...Detector, 16...Signal generation circuit, 17...Switch circuit, 18...Addition circuit.
Claims (1)
これらをマトリクス処理して左耳信号及び右耳信
号を得るＦＭステレオ受信装置において、前記和
信号をｎ個の周波数領域チヤンネルに分割出力す
る第１の分波器と、前記差信号を前記第１の分波
器と同一の周波数領域チヤンネル群に分割出力す
る第２の分波器と、前記第１の分波器のチヤンネ
ルの出力信号が設定レベル以上にあるときにのみ
前記第２の分波器の対応するチヤンネルの出力信
号をマトリクス処理部に供給する信号処理回路と
を具備することを特徴とするＦＭステレオ受信装
置。 Separate the sum signal and difference signal from the FM demodulation output,
In the FM stereo receiving device which obtains a left ear signal and a right ear signal by matrix processing these signals, a first branching filter divides and outputs the sum signal into n frequency domain channels; a second branching filter that divides and outputs the same frequency domain channel group as the branching filter; and a second branching filter that divides and outputs the same frequency domain channel group as the branching filter; 1. An FM stereo receiving apparatus, comprising: a signal processing circuit that supplies an output signal of a corresponding channel of the receiver to a matrix processing section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986167576U JPH0419862Y2 (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986167576U JPH0419862Y2 (en) | 1986-10-31 | 1986-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6372952U true JPS6372952U (en) | 1988-05-16 |
| JPH0419862Y2 JPH0419862Y2 (en) | 1992-05-07 |
Family
ID=31099633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986167576U Expired JPH0419862Y2 (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419862Y2 (en) |
-
1986
- 1986-10-31 JP JP1986167576U patent/JPH0419862Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0419862Y2 (en) | 1992-05-07 |
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