JPS5894196U - Control circuit for tape recorder with radio - Google Patents

Control circuit for tape recorder with radio

Info

Publication number
JPS5894196U
JPS5894196U JP19014581U JP19014581U JPS5894196U JP S5894196 U JPS5894196 U JP S5894196U JP 19014581 U JP19014581 U JP 19014581U JP 19014581 U JP19014581 U JP 19014581U JP S5894196 U JPS5894196 U JP S5894196U
Authority
JP
Japan
Prior art keywords
radio
signal
selection switch
tape recorder
use side
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
JP19014581U
Other languages
Japanese (ja)
Inventor
小林　明久
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 JP19014581U priority Critical patent/JPS5894196U/en
Publication of JPS5894196U publication Critical patent/JPS5894196U/en
Pending legal-status Critical Current

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  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (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]

図示した回路は本考案の制御回路の一実施例である。 主な図番の説明、１・・・再生ヘッド、２・・・前置増
幅回路、３・・・選択スイッチ、４・・・ラジオ受信装
置、５・・・可変抵抗器、６・・・主増幅回路、８・・
・第１ダイオード、９・・・第１信号路、１１・・・第
２ダイオード、１２・・・第２信号路、１５川スイツチ
ングトランジスター。The illustrated circuit is one embodiment of the control circuit of the present invention. Explanation of main figure numbers, 1... Playback head, 2... Preamplifier circuit, 3... Selection switch, 4... Radio receiving device, 5... Variable resistor, 6... Main amplifier circuit, 8...
- first diode, 9... first signal path, 11... second diode, 12... second signal path, 15 river switching transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] テープレコーダー使用とラジオ使用とを切換える選択ス
イッチと、該選択スイッチがラジオ使用側にあるとき電
源が供給されて動作状態になるラジオ受信装置と、磁気
テープに録音されている信号を再生する再生ヘッドと、
該再生ヘッドにより再生された信号を増幅する前置増幅
回路と、前記ラジオ受信装置及び前置増幅回路からの信
号が印加されると共に該信号のレベルを調整する可変抵
抗器と、該可変抗抵抗器よりレベル調整された信号が印
加される主増幅回路と、前記前置増幅回路と可変抵抗器
との間の第１信号路内に挿入接続された第１ダイオード
と、前記ラジオ受信装置と可変抵抗器との間の第２信号
路内に挿入接続された第２ダイオードと、前記選択スイ
ッチがテープレコーダー使用側にあるとき前記第１ダイ
オ−・ドを導通状態にバイアスする第１バイアス手段と
、前記選択スイッチがラジオ使用側にあるとき前記第２
ダイオードを導通状態にバイアスする第２バイアス手段
と、前記選択スイッチがラジオ使用側にあるとき導通状
態になり前記第１信号路の信号レベルを減衰せしめるス
イッチング素子とより成るラジオ付テープレコーダーの
制御回路。A selection switch that switches between using a tape recorder and using a radio; a radio receiving device that is powered and becomes operational when the selection switch is on the radio use side; and a playback head that plays back signals recorded on the magnetic tape. and,
a preamplifier circuit that amplifies the signal reproduced by the reproducing head; a variable resistor to which a signal from the radio receiving device and the preamplifier circuit is applied and adjusts the level of the signal; and the variable resistor. a main amplifier circuit to which a level-adjusted signal is applied from the radio receiver; a first diode inserted and connected in a first signal path between the preamplifier circuit and the variable resistor; a second diode inserted and connected in a second signal path between the resistor and the resistor; and first bias means for biasing the first diode into a conductive state when the selection switch is on the tape recorder use side. , when the selection switch is on the radio use side, the second
A control circuit for a tape recorder with a radio, comprising a second bias means for biasing a diode into a conductive state, and a switching element that becomes conductive when the selection switch is on the radio use side and attenuates the signal level of the first signal path. .
JP19014581U 1981-12-18 1981-12-18 Control circuit for tape recorder with radio Pending JPS5894196U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19014581U JPS5894196U (en) 1981-12-18 1981-12-18 Control circuit for tape recorder with radio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19014581U JPS5894196U (en) 1981-12-18 1981-12-18 Control circuit for tape recorder with radio

Publications (1)

Publication Number Publication Date
JPS5894196U true JPS5894196U (en) 1983-06-25

Family

ID=30103772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19014581U Pending JPS5894196U (en) 1981-12-18 1981-12-18 Control circuit for tape recorder with radio

Country Status (1)

Country Link
JP (1) JPS5894196U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS645204U (en) * 1987-06-30 1989-01-12
JPH0219027A (en) * 1988-05-05 1990-01-23 Thomson Consumer Electron Inc Crosstalk-proof system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4512367Y1 (en) * 1969-05-08 1970-05-29
JPS51135620A (en) * 1975-05-20 1976-11-24 Matsushita Electric Ind Co Ltd Signal switchover circuit
JPS5215698U (en) * 1975-07-23 1977-02-03

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4512367Y1 (en) * 1969-05-08 1970-05-29
JPS51135620A (en) * 1975-05-20 1976-11-24 Matsushita Electric Ind Co Ltd Signal switchover circuit
JPS5215698U (en) * 1975-07-23 1977-02-03

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS645204U (en) * 1987-06-30 1989-01-12
JPH0219027A (en) * 1988-05-05 1990-01-23 Thomson Consumer Electron Inc Crosstalk-proof system

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