JPH01149138U - - Google Patents

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Publication number
JPH01149138U
JPH01149138U JP4539888U JP4539888U JPH01149138U JP H01149138 U JPH01149138 U JP H01149138U JP 4539888 U JP4539888 U JP 4539888U JP 4539888 U JP4539888 U JP 4539888U JP H01149138 U JPH01149138 U JP H01149138U
Authority
JP
Japan
Prior art keywords
frequency
pass filter
changing
cutoff frequency
receiving
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
JP4539888U
Other languages
English (en)
Other versions
JPH0533079Y2 (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 JP1988045398U priority Critical patent/JPH0533079Y2/ja
Publication of JPH01149138U publication Critical patent/JPH01149138U/ja
Application granted granted Critical
Publication of JPH0533079Y2 publication Critical patent/JPH0533079Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第１図はこの考案のＡＭラジオ受信機の一実施
例を示すブロツク図、第２図は他の実施例を示す
ブロツク図、第３図は第２図の動作説明に供する
ための説明図、第４図は中波放送の受信帯域幅を
示す説明図である。 ２……ハイパス・フイルタ、１０……ＣＰＵ、
１１……トランジスタ（カツトオフ周波数制御手
段）、１３……比較回路（ｆＡ検出手段）。

Claims (1)

    【実用新案登録請求の範囲】
  1. カツトオフ周波数を変更し得るハイパス・フイ
    ルタと、受信周波数が所定値以上であるか否かを
    検出する受信周波数検出手段と、受信周波数が所
    定値以上のときに、上記受信周波数検出手段から
    送出される制御信号に応じて、当該ハイパス・フ
    イルタのカツトオフ周波数を高い方に変化させる
    カツトオフ周波数制御手段とを具備したことを特
    徴とするＡＭラジオ受信機。
JP1988045398U 1988-04-04 1988-04-04 Expired - Lifetime JPH0533079Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988045398U JPH0533079Y2 (ja) 1988-04-04 1988-04-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988045398U JPH0533079Y2 (ja) 1988-04-04 1988-04-04

Publications (2)

Publication Number Publication Date
JPH01149138U true JPH01149138U (ja) 1989-10-16
JPH0533079Y2 JPH0533079Y2 (ja) 1993-08-24

Family

ID=31271710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988045398U Expired - Lifetime JPH0533079Y2 (ja) 1988-04-04 1988-04-04

Country Status (1)

Country Link
JP (1) JPH0533079Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126525U (ja) * 1978-02-24 1979-09-04
JPS61265928A (ja) * 1985-05-20 1986-11-25 Pioneer Electronic Corp Ａｍ受信機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126525U (ja) * 1978-02-24 1979-09-04
JPS61265928A (ja) * 1985-05-20 1986-11-25 Pioneer Electronic Corp Ａｍ受信機

Also Published As

Publication number Publication date
JPH0533079Y2 (ja) 1993-08-24

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