JPS63173945U - - Google Patents
Info
- Publication number
- JPS63173945U JPS63173945U JP1987064282U JP6428287U JPS63173945U JP S63173945 U JPS63173945 U JP S63173945U JP 1987064282 U JP1987064282 U JP 1987064282U JP 6428287 U JP6428287 U JP 6428287U JP S63173945 U JPS63173945 U JP S63173945U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- low
- output
- signal
- multipath
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Stereo-Broadcasting Methods (AREA)
Description
第１図は本考案の実施例を示すブロツク図、第
２図はマルチパス検出回路５の一例を示す回路図
、第３図は第２図の各部の波形図、第４図はマル
チパス検出回路５の変形例を示す回路図、第５図
は第４図の各部の波形図、第６図は信号処理回路
６の一例を示す回路図である。
図において、１はアンテナ、２はフロントエン
ド部、３は中間周波増幅及び検波部、４は左右分
離回路、５はマルチパス検出回路、６は信号処理
回路、７，８はローパスフイルタ、９，１０は切
換回路、１１，１２，１３，１４はスピーカであ
る。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a circuit diagram showing an example of a multipath detection circuit 5, Fig. 3 is a waveform diagram of each part of Fig. 2, and Fig. 4 is a multipath detection circuit. FIG. 5 is a circuit diagram showing a modification of the circuit 5, FIG. 5 is a waveform diagram of each part of FIG. 4, and FIG. 6 is a circuit diagram showing an example of the signal processing circuit 6. In the figure, 1 is an antenna, 2 is a front end section, 3 is an intermediate frequency amplification and detection section, 4 is a left/right separation circuit, 5 is a multipath detection circuit, 6 is a signal processing circuit, 7 and 8 are low pass filters, 9, 10 is a switching circuit, and 11, 12, 13, and 14 are speakers.
Claims (1)
パス検出回路と、左右チヤンネル信号を入力して
左右チヤンネル信号の差信号を出力する信号処理
回路と、前記信号処理回路の出力信号のうち低域
成分を通過させるローパスフイルタと、前記マル
チパス検出回路の出力状態により前記差信号と前
記ローパスフイルタの出力とを選択的に切換えて
出力する切換回路とを備えたことを特徴とするＦ
Ｍステレオ受信機。 a multipath detection circuit that detects the presence or absence of multipath of FM radio waves; a signal processing circuit that inputs left and right channel signals and outputs a difference signal between the left and right channel signals; and a low frequency component of the output signal of the signal processing circuit. F characterized by comprising: a low-pass filter for passing through; and a switching circuit for selectively switching and outputting the difference signal and the output of the low-pass filter depending on the output state of the multi-pass detection circuit.
M stereo receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064282U JPH0422586Y2 (en) | 1987-04-29 | 1987-04-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064282U JPH0422586Y2 (en) | 1987-04-29 | 1987-04-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63173945U true JPS63173945U (en) | 1988-11-11 |
| JPH0422586Y2 JPH0422586Y2 (en) | 1992-05-25 |
Family
ID=30900301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987064282U Expired JPH0422586Y2 (en) | 1987-04-29 | 1987-04-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422586Y2 (en) |
-
1987
- 1987-04-29 JP JP1987064282U patent/JPH0422586Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0422586Y2 (en) | 1992-05-25 |