JPS643228U - - Google Patents
Info
- Publication number
- JPS643228U JPS643228U JP1987094335U JP9433587U JPS643228U JP S643228 U JPS643228 U JP S643228U JP 1987094335 U JP1987094335 U JP 1987094335U JP 9433587 U JP9433587 U JP 9433587U JP S643228 U JPS643228 U JP S643228U
- Authority
- JP
- Japan
- Prior art keywords
- demodulator
- stereo
- output
- detector
- switch
- 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 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 1
Landscapes
- Stereo-Broadcasting Methods (AREA)
Description
第１図は本考案によるＦＭ受信機の構成を示す
ブロツク図、第２図は本考案によるＦＭ変調器復
調出力制御回路の回路図、第３図はスイツチ状態
検出器の回路図である。
Ａ……アンテナ、Ｂ……高周波回路、Ｃ……中
間周波回路、Ｄ……ＦＭ検波器、Ｅ……ステレオ
復調器、Ｆ……ＦＭ多重復調器、Ｇ……ＦＭ復調
出力制御回路、Ｈ……低周波増幅器、Ｉ……左チ
ヤンネルスピーカ、Ｊ……右チヤンネルスピーカ
、Ｋ……コンポジツト信号入力、Ｌ……左チヤン
ネルオーデイオ出力、Ｍ……右チヤンネルオーデ
イオ出力、Ｎ……スイツチ状態検出器、Ｏ……強
制モノラル制御器、Ｐ……左チヤンネル側切換え
スイツチ、Ｑ……右チヤンネル側切換えスイツチ
。
FIG. 1 is a block diagram showing the configuration of an FM receiver according to the present invention, FIG. 2 is a circuit diagram of an FM modulator demodulation output control circuit according to the present invention, and FIG. 3 is a circuit diagram of a switch state detector. A...Antenna, B...High frequency circuit, C...Intermediate frequency circuit, D...FM detector, E...Stereo demodulator, F...FM multiplex demodulator, G...FM demodulation output control circuit, H ...Low frequency amplifier, I...Left channel speaker, J...Right channel speaker, K...Composite signal input, L...Left channel audio output, M...Right channel audio output, N...Switch status detector , O... Forced monaural controller, P... Left channel side changeover switch, Q... Right channel side changeover switch.
Claims (1)
復調器、 (b) 上記ステレオ復調器の左右の信号出力およ
び上記ＦＭ多重信号復調器の出力を選択するスイ
ツチ、 (c) 上記スイツチの選択状態を検出する検出器
、および (d) 該検出器の検出に伴つて上記ステレオ復調
器のモノラル出力とステレオ出力を切り換えるＦ
Ｍ復調出力制御回路 を具備することを特徴とするＦＭ受信機。[Claims for Utility Model Registration] (a) An FM multiplex signal demodulator installed in parallel with a stereo demodulator; (b) A switch for selecting the left and right signal outputs of the stereo demodulator and the output of the FM multiplex signal demodulator. (c) a detector that detects the selected state of the switch; and (d) an F that switches between monaural output and stereo output of the stereo demodulator upon detection by the detector.
An FM receiver comprising an M demodulation output control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987094335U JPH0424672Y2 (en) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987094335U JPH0424672Y2 (en) | 1987-06-19 | 1987-06-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS643228U true JPS643228U (en) | 1989-01-10 |
| JPH0424672Y2 JPH0424672Y2 (en) | 1992-06-11 |
Family
ID=31318850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987094335U Expired JPH0424672Y2 (en) | 1987-06-19 | 1987-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424672Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03274817A (en) * | 1990-03-23 | 1991-12-05 | Murata Mfg Co Ltd | Oscillator and its manufacture |
| JPH04131029U (en) * | 1991-05-20 | 1992-12-01 | 株式会社村田製作所 | piezoelectric resonator |
-
1987
- 1987-06-19 JP JP1987094335U patent/JPH0424672Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03274817A (en) * | 1990-03-23 | 1991-12-05 | Murata Mfg Co Ltd | Oscillator and its manufacture |
| JPH04131029U (en) * | 1991-05-20 | 1992-12-01 | 株式会社村田製作所 | piezoelectric resonator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424672Y2 (en) | 1992-06-11 |
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