JPS5936639U - car radio receiver - Google Patents
car radio receiverInfo
- Publication number
- JPS5936639U JPS5936639U JP11111382U JP11111382U JPS5936639U JP S5936639 U JPS5936639 U JP S5936639U JP 11111382 U JP11111382 U JP 11111382U JP 11111382 U JP11111382 U JP 11111382U JP S5936639 U JPS5936639 U JP S5936639U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- demodulation
- circuit
- signal
- signal obtained
- 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
Landscapes
- Superheterodyne Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
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図は本考案の実施例に係わる受信装置の自動車に於
ける配置を１既略的に示す側面図、第２図は第１図の受
信装置を示すブロック図、第３図は第２図のフロントエ
ンド部を示すブロック図、第４図は第３図のＦＭ及びＡ
Ｍ同調回路を詳しく示すブロック図である。
尚図面に用いられている符号に於いて、３はガラスアン
テナ、４はフロントエンド部、５は復調増幅出力部、６
はＦＭ電子同調チューナ、７はＡＭ電子同調チューナ、
８は混合回路、９はＦＭ同調増幅回路、１０はＦＭ用局
部発振器１，２５は伝送路、２６は同調制御信号伝送ラ
インである。
１１ 、．３１ ３
−−−２−−−−−−−−］
ノ２８ １．、ｇ出−← ・FIG. 1 is a side view schematically showing the arrangement of a receiving device in an automobile according to an embodiment of the present invention, FIG. 2 is a block diagram showing the receiving device of FIG. 1, and FIG. Figure 4 is a block diagram showing the front end section of Figure 3.
FIG. 2 is a block diagram showing the M tuning circuit in detail. In the symbols used in the drawings, 3 is a glass antenna, 4 is a front end section, 5 is a demodulation amplification output section, and 6 is a glass antenna.
is an FM electronic tuning tuner, 7 is an AM electronic tuning tuner,
8 is a mixing circuit, 9 is an FM tuning amplifier circuit, 10 is an FM local oscillator 1, 25 is a transmission line, and 26 is a tuning control signal transmission line. 11. 31 3 ----2---------] ノ28 1. , g output −← ・
Claims (1)
テナ又はＦＭ用アンテナ及びＡＭ用アンテナと、 前記兼用アンテナ又は前記ＦＭ用アンテナに近接配置さ
れた状態で結合されているＦＭ電子同調チューナと、 前記兼用アンテナ又は前記ＡＭ用アンテナに近接配置さ
れた状態で結合されているＡＭ電子同調チューナと、 前記ＦＭ電子同調チューナから得られるＦＭ中間周波信
号と前記ＡＭ電子同調チューナから得られるＡＭ中間周
波信号とを周波数分割多重信号にするための混合回路と
、 前記混合回路から得られる周波数分割多重信号を前記ア
ンテナから離れた運転席近傍まで伝送する伝送路と、 前記伝送路で伝送された前記周波数分割多重信号から前
記ＦＭ中間周波信号及び前記ＡＭ中間周波信号を分離す
るために前記伝送回に結合された分離回路と、 前記分離回路から得られる前記ＦＭ中間周波信号に対応
したＦＭ復調信号を得るためのＦＭ復調回路と、 前記分離回路から得られる前記ＡＭ中間周波信号に対応
したＡＭ復調信号を得るためのＡＭ復調回路と、 − 前記ＦＭ復調回路から得られる前記ＦＭ復調信号と前記
ＡＭ復調回路から得られる前記ＡＭ復調信号とを選択す
るための選択スイッチと、前記選択スイッチの出力段に
得られる前記ＦＭ復調信号又は前記ＡＭ復調信号を増幅
して出力する共通出力回路と、 前記ＦＭ電子同調チューナ及び前記ＡＭ電子同調チュー
ナに於ける同調周波数を変えるために前記運転席近傍に
配置された同調操作部と、を具備していることを特徴と
する自動車のラジオ受信装置。[Claims for Utility Model Registration] A dual-purpose FM and AM antenna, or an FM antenna and an AM antenna, provided on a glass window of an automobile, and an antenna that is coupled with the dual-purpose antenna or the FM antenna in close proximity to the antenna. an FM electronic tuning tuner that is connected to the dual-purpose antenna or the AM antenna in a state in which the AM electronic tuning tuner is arranged in close proximity to the AM electronic tuning tuner; a mixing circuit for converting an AM intermediate frequency signal obtained from a tuner into a frequency division multiplexed signal; a transmission path for transmitting the frequency division multiplexed signal obtained from the mixing circuit to a location near the driver's seat distant from the antenna; a separation circuit coupled to the transmission circuit for separating the FM intermediate frequency signal and the AM intermediate frequency signal from the frequency division multiplexed signal transmitted over the frequency division multiplexed signal; an FM demodulation circuit for obtaining a corresponding FM demodulation signal; an AM demodulation circuit for obtaining an AM demodulation signal corresponding to the AM intermediate frequency signal obtained from the separation circuit; - the FM demodulation signal obtained from the FM demodulation circuit; a selection switch for selecting a demodulation signal and the AM demodulation signal obtained from the AM demodulation circuit; and a common output for amplifying and outputting the FM demodulation signal or the AM demodulation signal obtained at the output stage of the selection switch. A radio reception for a car, comprising: a circuit; and a tuning operation unit disposed near the driver's seat for changing the tuning frequencies of the FM electronic tuning tuner and the AM electronic tuning tuner. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11111382U JPS5936639U (en) | 1982-07-21 | 1982-07-21 | car radio receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11111382U JPS5936639U (en) | 1982-07-21 | 1982-07-21 | car radio receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5936639U true JPS5936639U (en) | 1984-03-07 |
| JPS6336756Y2 JPS6336756Y2 (en) | 1988-09-29 |
Family
ID=30258138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11111382U Granted JPS5936639U (en) | 1982-07-21 | 1982-07-21 | car radio receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5936639U (en) |
-
1982
- 1982-07-21 JP JP11111382U patent/JPS5936639U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6336756Y2 (en) | 1988-09-29 |
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