JPH0365361U - - Google Patents

Info

Publication number
JPH0365361U
JPH0365361U JP12820289U JP12820289U JPH0365361U JP H0365361 U JPH0365361 U JP H0365361U JP 12820289 U JP12820289 U JP 12820289U JP 12820289 U JP12820289 U JP 12820289U JP H0365361 U JPH0365361 U JP H0365361U
Authority
JP
Japan
Prior art keywords
circuit
reception
radio waves
detection circuit
frequency characteristics
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
Application number
JP12820289U
Other languages
English (en)
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 JP12820289U priority Critical patent/JPH0365361U/ja
Publication of JPH0365361U publication Critical patent/JPH0365361U/ja
Pending legal-status Critical Current

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  • Picture Signal Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係るテレビジヨン受信機のブ
ロツク構成図、第２図は帯域切替回路および受信
強度検出回路の一具体例を示す回路図、第３図は
ＩＦおよびＲＦ ＡＧＣ信号電圧と受信電波の強
さの関係ならびに受信電波が弱いと判断する基準
電圧を示すグラフ、第４図は帯域切替回路の他の
実施例を示す回路図、第５図は映像中間周波増幅
回路の周波数特性を示すグラフである。 ３，３０……帯域切替回路、４……映像中間周
波増幅回路、１２……ＡＧＣ回路、１３……受信
強度検出回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 受信電波の強さを検出する受信強度検出回路お
    よび映像中間周波増幅回路の周波数特性を異なえ
    る帯域切替回路を備え、前記受信強度検出回路の
    出力に基づいて受信電波が弱い場合には前記周波
    数特性を狭帯域に切替えることを特徴とするテレ
    ビジヨン受信機。
JP12820289U 1989-10-31 1989-10-31 Pending JPH0365361U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12820289U JPH0365361U (ja) 1989-10-31 1989-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12820289U JPH0365361U (ja) 1989-10-31 1989-10-31

Publications (1)

Publication Number Publication Date
JPH0365361U true JPH0365361U (ja) 1991-06-25

Family

ID=31675921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12820289U Pending JPH0365361U (ja) 1989-10-31 1989-10-31

Country Status (1)

Country Link
JP (1) JPH0365361U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006137443A (ja) * 2004-11-11 2006-06-01 Dainichi Printing:Kk 包装用包袋

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6048681A (ja) * 1983-08-26 1985-03-16 Matsushita Electric Ind Co Ltd テレビジョン受像機の映像中間周波回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6048681A (ja) * 1983-08-26 1985-03-16 Matsushita Electric Ind Co Ltd テレビジョン受像機の映像中間周波回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006137443A (ja) * 2004-11-11 2006-06-01 Dainichi Printing:Kk 包装用包袋

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