JPS648838U - - Google Patents

Info

Publication number
JPS648838U
JPS648838U JP6045487U JP6045487U JPS648838U JP S648838 U JPS648838 U JP S648838U JP 6045487 U JP6045487 U JP 6045487U JP 6045487 U JP6045487 U JP 6045487U JP S648838 U JPS648838 U JP S648838U
Authority
JP
Japan
Prior art keywords
analog
selecting
digital
circuit
output
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
JP6045487U
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 JP6045487U priority Critical patent/JPS648838U/ja
Publication of JPS648838U publication Critical patent/JPS648838U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例のラジオ受信機２１
の電気的構成を示すブロツク図、第２図は第１図
に示された実施例の掃引動作を説明するためのフ
ローチヤート、第３図は先行技術のラジオ受信機
１の電気的構成を示すブロツク図である。 ２１……ラジオ受信機、２２……アンテナ、２
３……フロントエンド回路、２４……混合回路、
２５……局部発振回路、２７……中間周波増幅回
路、２８……復調回路、２９……低周波増幅回路
、３０……スピーカ、３１……信号強度検出回路
、３２……アナログ／デジタル変換器、３３……
判別回路、３４……感度設定回路、３５……処理
回路、３６，３７……分周回路、３８……位相比
較回路、３９……基準周波数発生回路、４１……
操作スイツチ。

Claims (1)

  1. 【実用新案登録請求の範囲】 受信電界強度を検出する検出手段と、 前記検出手段の出力をアナログ／デジタル変換
    するアナログ／デジタル変換器と、 予め定めた複数のデジタル値である弁別レベル
    を選択する選択手段と、 前記選択手段の出力に基づいて前記アナログ／
    デジタル変換器のデジタル値を判別する手段とを
    含むことを特徴とする受信機の自動選局装置。
JP6045487U 1987-04-20 1987-04-20 Pending JPS648838U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6045487U JPS648838U (ja) 1987-04-20 1987-04-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6045487U JPS648838U (ja) 1987-04-20 1987-04-20

Publications (1)

Publication Number Publication Date
JPS648838U true JPS648838U (ja) 1989-01-18

Family

ID=31286158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6045487U Pending JPS648838U (ja) 1987-04-20 1987-04-20

Country Status (1)

Country Link
JP (1) JPS648838U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379539U (ja) * 1989-12-04 1991-08-14

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57116413A (en) * 1981-01-10 1982-07-20 Mitsubishi Electric Corp Receiver
JPS57159117A (en) * 1981-03-27 1982-10-01 Hitachi Ltd Channel selection system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57116413A (en) * 1981-01-10 1982-07-20 Mitsubishi Electric Corp Receiver
JPS57159117A (en) * 1981-03-27 1982-10-01 Hitachi Ltd Channel selection system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379539U (ja) * 1989-12-04 1991-08-14

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