JPH0224630U - - Google Patents

Info

Publication number
JPH0224630U
JPH0224630U JP10189788U JP10189788U JPH0224630U JP H0224630 U JPH0224630 U JP H0224630U JP 10189788 U JP10189788 U JP 10189788U JP 10189788 U JP10189788 U JP 10189788U JP H0224630 U JPH0224630 U JP H0224630U
Authority
JP
Japan
Prior art keywords
receiver
busy
detection circuit
circuit
detection
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
Application number
JP10189788U
Other languages
English (en)
Other versions
JPH0633708Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10189788U priority Critical patent/JPH0633708Y2/ja
Publication of JPH0224630U publication Critical patent/JPH0224630U/ja
Application granted granted Critical
Publication of JPH0633708Y2 publication Critical patent/JPH0633708Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)

Description

【図面の簡単な説明】
第1図及び第2図はこの考案に係るFM受信機
の実施例を示し、第1図はブロツク図、第2図は
マイコンの動作を示したフローチヤート図である
。第3図は従来例のブロツク図である。 主な番号の説明、3:混合回路、4:中間周波
増幅器、5:FM検波回路、6:スケルチ回路、
9:PLL回路、10:マイクロコンピユータ、
11:ビジー信号回路、12:A/D変換回路、
20:ウインドウコンパレータ。

Claims (1)

  1. 【実用新案登録請求の範囲】 受信機の局部発振周波数を掃引して連続的に受
    信信号を受信することのできるスキヤン機能をも
    ち、FM検波回路の出力信号で制御して中心周波
    数を検出するFM受信機において、 FM検波回路の出力信号でビジー信号を得るビ
    ジー回路と、上記FM検波回路のデイスクリミネ
    ータ出力信号をデジタル信号に変換するA/D変
    換回路とを設け、FM受信機がビジー状態の時、
    上記FM検波回路のデジタル信号によつて中心周
    波数を検出する検出手段と、この中心周波数を検
    出したことによつて、スキヤン掃引を一時停止す
    るビジーストツプ手段とを備えたことを特徴とす
    るFM受信機。
JP10189788U 1988-07-30 1988-07-30 Fm受信機 Expired - Lifetime JPH0633708Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10189788U JPH0633708Y2 (ja) 1988-07-30 1988-07-30 Fm受信機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10189788U JPH0633708Y2 (ja) 1988-07-30 1988-07-30 Fm受信機

Publications (2)

Publication Number Publication Date
JPH0224630U true JPH0224630U (ja) 1990-02-19
JPH0633708Y2 JPH0633708Y2 (ja) 1994-08-31

Family

ID=31331310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10189788U Expired - Lifetime JPH0633708Y2 (ja) 1988-07-30 1988-07-30 Fm受信機

Country Status (1)

Country Link
JP (1) JPH0633708Y2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030024305A (ko) * 2001-09-17 2003-03-26 현대자동차주식회사 엔진용 밸브 태핏 제조방법

Also Published As

Publication number Publication date
JPH0633708Y2 (ja) 1994-08-31

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