JPS6050551U - fm stereo radio receiver - Google Patents
fm stereo radio receiverInfo
- Publication number
- JPS6050551U JPS6050551U JP14123383U JP14123383U JPS6050551U JP S6050551 U JPS6050551 U JP S6050551U JP 14123383 U JP14123383 U JP 14123383U JP 14123383 U JP14123383 U JP 14123383U JP S6050551 U JPS6050551 U JP S6050551U
- Authority
- JP
- Japan
- Prior art keywords
- reception
- stereo
- antenna
- radio receiver
- drive circuit
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はスペースダイバシテイ受信方式の従来の車載用
ＦＭステレオラジオ受信機の構成図、第２図ａ、 ｂは
それぞれアンテナ切換信号図、第３図は本考案の一実施
例の構成図、第４図は第２の制御回路の構成図である。
１．２・・・・・・受信アンテナ、３・・・・・・アン
テナスイッチ、４０２・・・・・・フロントエンド、４
０３・・・・・・ＩＦ増巾器、４０４・・・・・・信号
強度計用直流出力端子、４０６・・・・・・ＦＭステレ
オ復調器、４０７・・・・・・ＦＭステレオ復調器制御
端子、５・・・・・・制御回路、７・・・・・・第２の
制御回路、７０１，７０２・・・・・・積分回路、７０
３，７０４・・・・・・微分回路、７０５，７０６・・
・・・・ダイオード、７０８，７１１・・・・・・抵抗
、７０９・・・・・・トランジスタ、７１０・・・・・
・コンデンサ。Fig. 1 is a block diagram of a conventional vehicle-mounted FM stereo radio receiver using a space diversity reception method, Fig. 2 a and b are antenna switching signal diagrams, respectively, and Fig. 3 is a block diagram of an embodiment of the present invention. FIG. 4 is a configuration diagram of the second control circuit. 1.2...Receiving antenna, 3...Antenna switch, 402...Front end, 4
03...IF amplifier, 404...DC output terminal for signal strength meter, 406...FM stereo demodulator, 407...FM stereo demodulator Control terminal, 5...Control circuit, 7...Second control circuit, 701, 702...Integrator circuit, 70
3,704... Differential circuit, 705,706...
...Diode, 708, 711...Resistor, 709...Transistor, 710...
・Capacitor.
Claims (1)
るアンテナスイッチと、このアンテナスイッチの切換用
信号を発生する駆動回路と、この駆動回路の出力を制御
する制御回路と、受信電界レベルに応じてステレオ受信
またはモノラル受信状態に切換える切換回路と、前記駆
動回路からの受信アンテナ切換信号の発生ごとに一定時
間受信状態がステレオ受信からモノラル受信状態に切換
わるよう制御する第２制御回路とから構成されることを
特徴とするＦＭステレオラジオ受信機。A plurality of receiving antennas, an antenna switch that switches the antenna output, a drive circuit that generates a switching signal for the antenna switch, a control circuit that controls the output of the drive circuit, and stereo reception according to the received electric field level. Alternatively, it may be comprised of a switching circuit that switches to a monaural reception state, and a second control circuit that controls the reception state to switch from stereo reception to monaural reception for a certain period of time each time a reception antenna switching signal is generated from the drive circuit. An FM stereo radio receiver featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14123383U JPS6050551U (en) | 1983-09-12 | 1983-09-12 | fm stereo radio receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14123383U JPS6050551U (en) | 1983-09-12 | 1983-09-12 | fm stereo radio receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6050551U true JPS6050551U (en) | 1985-04-09 |
| JPS646604Y2 JPS646604Y2 (en) | 1989-02-21 |
Family
ID=30315939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14123383U Granted JPS6050551U (en) | 1983-09-12 | 1983-09-12 | fm stereo radio receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6050551U (en) |
-
1983
- 1983-09-12 JP JP14123383U patent/JPS6050551U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS646604Y2 (en) | 1989-02-21 |
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