JPS62110703U - - Google Patents
Info
- Publication number
- JPS62110703U JPS62110703U JP19992285U JP19992285U JPS62110703U JP S62110703 U JPS62110703 U JP S62110703U JP 19992285 U JP19992285 U JP 19992285U JP 19992285 U JP19992285 U JP 19992285U JP S62110703 U JPS62110703 U JP S62110703U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- circuit
- playback
- amplifier circuit
- input
- 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
Links
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案の一実施例回路の構成を示す回
路図、第２図は従来の録音および再生信号の処理
回路の構成を示す回路図である。
Ｈ……録音再生用磁気ヘツド、Ａ１……再生用
増幅回路、Ａ２……録音用増幅回路、Ｌ……ロジ
ツクコントロール回路、Ｒ１……抵抗、Ｃ１〜Ｃ
３……コンデンサ、Ｓ１，Ｓ２……スイツチ、Ｐ
……バイアス電流発生回路。
FIG. 1 is a circuit diagram showing the configuration of a circuit according to an embodiment of the present invention, and FIG. 2 is a circuit diagram showing the configuration of a conventional recording and reproduction signal processing circuit. H...Magnetic head for recording and playback, A1 ...Amplification circuit for playback, A2 ...Amplification circuit for recording, L...Logic control circuit, R1 ...Resistor, C1 -C
3 ...Capacitor, S1 , S2 ...Switch, P
...Bias current generation circuit.
Claims (1)
出力端子に接続され、出力側が外部出力系に接続
された再生用増幅回路と、入力側がソース入力系
に接続された録音用増幅回路と、この録音用増幅
回路の出力側と前記録音再生用磁気ヘツドの前記
一方の入出力端子との間に接続された録音電流安
定化回路と、前記録音用増幅回路の出力側とグラ
ンドとの間に接続された容量素子と、録音時に前
記録音再生用磁気ヘツドの他方の入出力端子に接
続されるバイアス電流発生回路と、録音または再
生の要求に応じて前記再生用増幅回路または前記
録音用増幅回路を動作させる制御回路とを有して
なることを特徴とする録音および再生信号の処理
回路。 (2) 録音電流安定化回路が、容量素子と抵抗と
の並列回路である実用新案登録請求の範囲第１項
記載の録音および再生信号の処理回路。 (3) 再生用増幅回路、録音用増幅回路および制
御回路が、１つのパツケージ内に収容された集積
回路により構成されている実用新案登録請求の範
囲第１項または第２項記載の録音および再生信号
の処理回路。[Scope of Claim for Utility Model Registration] (1) A reproduction amplifier circuit whose input side is connected to one input/output terminal of a magnetic head for recording and reproduction, whose output side is connected to an external output system, and whose input side is connected to a source input system. a recording current stabilizing circuit connected between the output side of the recording amplifier circuit and the one input/output terminal of the recording/playback magnetic head; a capacitive element connected between the output side and the ground; a bias current generating circuit connected to the other input/output terminal of the recording/playback magnetic head during recording; 1. A recording and reproduction signal processing circuit comprising an amplifier circuit or a control circuit for operating the recording amplifier circuit. (2) The recording and playback signal processing circuit according to claim 1, wherein the recording current stabilizing circuit is a parallel circuit of a capacitive element and a resistor. (3) Recording and playback according to claim 1 or 2 of the utility model registration claim, in which the playback amplifier circuit, the recording amplifier circuit, and the control circuit are constituted by integrated circuits housed in one package. Signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19992285U JPS62110703U (en) | 1985-12-28 | 1985-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19992285U JPS62110703U (en) | 1985-12-28 | 1985-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62110703U true JPS62110703U (en) | 1987-07-15 |
Family
ID=31161996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19992285U Pending JPS62110703U (en) | 1985-12-28 | 1985-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62110703U (en) |
-
1985
- 1985-12-28 JP JP19992285U patent/JPS62110703U/ja active Pending
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