JPS60114449U - Radio receiver power reduction device - Google Patents

Radio receiver power reduction device

Info

Publication number
JPS60114449U
JPS60114449U JP210084U JP210084U JPS60114449U JP S60114449 U JPS60114449 U JP S60114449U JP 210084 U JP210084 U JP 210084U JP 210084 U JP210084 U JP 210084U JP S60114449 U JPS60114449 U JP S60114449U
Authority
JP
Japan
Prior art keywords
radio receiver
reduction device
power reduction
detection circuit
amplifier circuit
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
JP210084U
Other languages
Japanese (ja)
Inventor
浅井　忠
Original Assignee
三洋電機株式会社
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 by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP210084U priority Critical patent/JPS60114449U/en
Publication of JPS60114449U publication Critical patent/JPS60114449U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案のラジオ受信機の電力削減装置のブロッ
ク図、第２図イル第２図二は本考案に用いた有音検出回
路の各部の信号波形図である。 ４・・・検波回路、５・・−ＡＦ増幅回路、１２・・・
制御トランジスタ、１３・・・有音検出回路、１５・・
・シュミット回路、１６・・・コンパレータ、１７・・
・シュミット回路。FIG. 1 is a block diagram of a power reduction device for a radio receiver according to the present invention, and FIG. 2 is a signal waveform diagram of each part of the sound detection circuit used in the present invention. 4...Detection circuit, 5...-AF amplifier circuit, 12...
Control transistor, 13... Sound detection circuit, 15...
・Schmitt circuit, 16... comparator, 17...
・Schmidt circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] アンテナに受信された放送信号を検波回路にて検波し音
声信号を得、該音声信号をＡＦ増幅回路にて増幅し出力
するものにおいて、前記検波回路よりの音声信号を有音
検出回路にて有音期間より僅かに長期間持続するパルス
信号に変換し、前記変換されたパルス信号にて制御トラ
ンジスタを動作させ、ＡＦ増幅回路の各トランジスタを
動作状態にし、前記パルス信号の消失時は制御トランジ
スタを不動作させＡＦ増幅回路の全電源回路を遮断する
ことを特徴とするラジオ受信機の電力削減装置。A detection circuit detects a broadcast signal received by an antenna to obtain an audio signal, and the audio signal is amplified and outputted by an AF amplifier circuit, in which the audio signal from the detection circuit is detected by a sound detection circuit. converting it into a pulse signal that lasts for a slightly longer period than the sound period, operating the control transistor with the converted pulse signal, putting each transistor of the AF amplifier circuit into an operating state, and when the pulse signal disappears, the control transistor is turned on. A power reduction device for a radio receiver, characterized in that it disables all power supply circuits of an AF amplifier circuit.
JP210084U 1984-01-10 1984-01-10 Radio receiver power reduction device Pending JPS60114449U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP210084U JPS60114449U (en) 1984-01-10 1984-01-10 Radio receiver power reduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP210084U JPS60114449U (en) 1984-01-10 1984-01-10 Radio receiver power reduction device

Publications (1)

Publication Number Publication Date
JPS60114449U true JPS60114449U (en) 1985-08-02

Family

ID=30475458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP210084U Pending JPS60114449U (en) 1984-01-10 1984-01-10 Radio receiver power reduction device

Country Status (1)

Country Link
JP (1) JPS60114449U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63156432A (en) * 1986-12-19 1988-06-29 Sanyo Electric Co Ltd Radio receiver
JPS63156433A (en) * 1986-12-19 1988-06-29 Sanyo Electric Co Ltd Radio receiver

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63156432A (en) * 1986-12-19 1988-06-29 Sanyo Electric Co Ltd Radio receiver
JPS63156433A (en) * 1986-12-19 1988-06-29 Sanyo Electric Co Ltd Radio receiver

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