JPS58173019U - Recording/playback switching circuit - Google Patents

Recording/playback switching circuit

Info

Publication number
JPS58173019U
JPS58173019U JP6902982U JP6902982U JPS58173019U JP S58173019 U JPS58173019 U JP S58173019U JP 6902982 U JP6902982 U JP 6902982U JP 6902982 U JP6902982 U JP 6902982U JP S58173019 U JPS58173019 U JP S58173019U
Authority
JP
Japan
Prior art keywords
recording
transistor
playback
switching circuit
playback switching
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
JP6902982U
Other languages
Japanese (ja)
Inventor
健 深沢
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP6902982U priority Critical patent/JPS58173019U/en
Publication of JPS58173019U publication Critical patent/JPS58173019U/en
Pending legal-status Critical Current

Links

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図は従来の録音再生切換回路の一例を示す回路図、
第２図はこの考案による録音再生切換回路の一実施例を
示す回路図である。 １．２・・・録再ヘッド、４，５．２５〜１９・・・ト
ランジスタ、６，７・・・再生アンプ、１０・・・発振
回路、１１．１２・・・抵抗、１３．１４・・・コンデ
ンサ。Figure 1 is a circuit diagram showing an example of a conventional recording/playback switching circuit.
FIG. 2 is a circuit diagram showing an embodiment of the recording/playback switching circuit according to this invention. 1.2...Recording/reproduction head, 4,5.25-19...Transistor, 6,7...Reproduction amplifier, 10...Oscillation circuit, 11.12...Resistor, 13.14... ...Capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 録音と再生を１個のヘッドを兼用して行なうテープレコ
ーダに用いられる録音再生切換回路に於いて、録再ヘッ
ドの再生アンプが接続されていない側の端部に接続され
た第１のトランジスタと、再生モード信号によってオン
となって出力を前記第１のトランジスタのベースに供給
してオンさせる第２のトランジスタと、前記第１のトラ
ンジスタとアース間に接続され、かつ第２のトランジス
タ出力によってオンとなる第３のトランジスタとを備え
たことを特徴とする録音再生切換回路。In a recording/playback switching circuit used in a tape recorder that uses one head for both recording and playback, a first transistor is connected to the end of the recording/playback head on the side to which the playback amplifier is not connected. , a second transistor that is turned on by a playback mode signal and supplies an output to the base of the first transistor to turn it on; and a second transistor that is connected between the first transistor and ground and is turned on by the second transistor output. A recording/playback switching circuit comprising a third transistor.
JP6902982U 1982-05-12 1982-05-12 Recording/playback switching circuit Pending JPS58173019U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6902982U JPS58173019U (en) 1982-05-12 1982-05-12 Recording/playback switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6902982U JPS58173019U (en) 1982-05-12 1982-05-12 Recording/playback switching circuit

Publications (1)

Publication Number Publication Date
JPS58173019U true JPS58173019U (en) 1983-11-18

Family

ID=30078772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6902982U Pending JPS58173019U (en) 1982-05-12 1982-05-12 Recording/playback switching circuit

Country Status (1)

Country Link
JP (1) JPS58173019U (en)

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