JPS58531U - FM receiver - Google Patents
FM receiverInfo
- Publication number
- JPS58531U JPS58531U JP9416781U JP9416781U JPS58531U JP S58531 U JPS58531 U JP S58531U JP 9416781 U JP9416781 U JP 9416781U JP 9416781 U JP9416781 U JP 9416781U JP S58531 U JPS58531 U JP S58531U
- Authority
- JP
- Japan
- Prior art keywords
- detection means
- traffic information
- pilot signal
- output
- detecting
- 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.)
- Pending
Links
Landscapes
- Noise Elimination (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＦＭ受信機の一例のブロック図、第２図
は本考案によるＦＭ受信機の一実施例を示すブロック図
、第３図は本考案によるＦＭ受信機の他の実施例を示す
ブロック図である。
主要部分の符号の説明、１０・・・・・・ＦＭ受信回路
、１２・・・・・・フロントエンド、１３・・・・・・
ＩＦ増幅回路、１４・・・・・・ＦＭ検波回路、１７・
・・・・・パルスノイズ除去回路、２０・・・・・・交
通情報デコーダ、２１・・・・・・パイロット選択増幅
回路、２２・・・・・・パイロット検波 、回路、２
５・・・・・・高調波選択増幅回路、２６・・・・・・
高調波検波回路。FIG. 1 is a block diagram of an example of a conventional FM receiver, FIG. 2 is a block diagram of an embodiment of the FM receiver according to the present invention, and FIG. 3 is a block diagram showing another embodiment of the FM receiver according to the present invention. FIG. Explanation of symbols of main parts, 10...FM receiving circuit, 12...Front end, 13...
IF amplifier circuit, 14...FM detection circuit, 17.
... Pulse noise removal circuit, 20 ... Traffic information decoder, 21 ... Pilot selection amplification circuit, 22 ... Pilot detection circuit, 2
5...Harmonic selection amplification circuit, 26...
Harmonic detection circuit.
Claims (2)
ット信号を検出する交通情報パイロット信号検出手段と
、ＦＭステレオパイロット信号の高周波を検出する高周
波検出手段と、ＦＭ検波出力中のノイズレベルが高いと
いう状態を検知するノイズレベル検知手段と、前記交通
情報パイロット信号検出手段の出力により活性化される
交通情報受信用被制御部とを含み１．前記高調波検出手
段蓋しくはノイズレベル検知手段の出力に応答して前記
被制御部の活性化を禁止したことを特徴とするＦＭ受信
機。(1) A traffic information pilot signal detection means for detecting a traffic information pilot signal indicating that it is a traffic information broadcasting station, a high frequency detection means for detecting a high frequency of an FM stereo pilot signal, and a high noise level in the FM detection output. 1. a noise level detection means for detecting the state; and a controlled section for receiving traffic information activated by the output of the traffic information pilot signal detection means. An FM receiver characterized in that activation of the controlled section is prohibited in response to the output of the harmonic detection means or the noise level detection means.
過フィルタを含むノイズ除去回路を備え、前記低域及び
高域フィルタの各出力を前記交通情報パイロット検出手
段及び高調波検出手段に□ それぞれ供給するように
なされたことを特徴とする実用新案登録請求の範囲ｉ１
項記載のＦＭ受信機。(2) A noise removal circuit including low-pass and high-pass filters each receiving the FM detection output as input, and outputs of the low-pass and high-pass filters to the traffic information pilot detection means and harmonic detection means. □ Scope of claim for utility model registration i1 characterized by being made to supply each
FM receiver described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9416781U JPS58531U (en) | 1981-06-25 | 1981-06-25 | FM receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9416781U JPS58531U (en) | 1981-06-25 | 1981-06-25 | FM receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58531U true JPS58531U (en) | 1983-01-05 |
Family
ID=29889103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9416781U Pending JPS58531U (en) | 1981-06-25 | 1981-06-25 | FM receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58531U (en) |
-
1981
- 1981-06-25 JP JP9416781U patent/JPS58531U/en active Pending
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