JPS6016307U - magnetic recording and reproducing device - Google Patents
magnetic recording and reproducing deviceInfo
- Publication number
- JPS6016307U JPS6016307U JP10702783U JP10702783U JPS6016307U JP S6016307 U JPS6016307 U JP S6016307U JP 10702783 U JP10702783 U JP 10702783U JP 10702783 U JP10702783 U JP 10702783U JP S6016307 U JPS6016307 U JP S6016307U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- audio head
- magnetic recording
- parallel
- reproducing device
- 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
Landscapes
- Digital Magnetic Recording (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は記録電流を一定とした場合のオーディオヘッド
の再生出力の周波数特性及び歪率の説明図、第２図はバ
イアス電流調整値の変化によるオーディオヘッドの再生
出力の周波数特性の説明図、第３図は本考案の一実施例
における磁気記録再生装置の要部の回路図、第４図は同
装置の再生時におけるオーディオヘッドの再生周波数特
性の説明図、第５図は同装置の再生系の回路図、第６図
は別の実施例における磁気記録再生装置の記録時のオー
ディオヘッドと抵抗との接続状態の説明図、第一７図は
同再生時の説明図である。 −１・・・オーディオ
ヘッド、Ｒ１，Ｒ４・・・抵抗。FIG. 1 is an explanatory diagram of the frequency characteristics and distortion rate of the reproduction output of the audio head when the recording current is constant, and FIG. 2 is an explanatory diagram of the frequency characteristics of the reproduction output of the audio head due to changes in the bias current adjustment value. Fig. 3 is a circuit diagram of the main parts of a magnetic recording/reproducing device according to an embodiment of the present invention, Fig. 4 is an explanatory diagram of the playback frequency characteristics of the audio head during playback of the same device, and Fig. 5 is a playback diagram of the same device. FIG. 6 is an explanatory diagram of the connection state between the audio head and the resistor during recording in a magnetic recording/reproducing apparatus according to another embodiment, and FIG. 17 is an explanatory diagram during reproduction of the same. -1...Audio head, R1, R4...Resistor.
Claims (1)
ーディオヘッドと並列に接続される抵抗と番備え、前記
抵抗の抵抗値を、この抵抗と前記オーディオヘッドとの
並列インピーダンスが所定値になるように設定し、前記
オーディオヘッドのバイアス電流調整時に、最適バイア
ス電流値の異なる各種ランクのオーディオヘッドに対し
て、そのオーディオヘッドの最適バイアス電流と前記抵
抗に流れる゛電流との和が、所定電圧の印加に対して常
に一定になる構成とした磁気記録再生装置。 ２ 抵抗は、常にオーディオヘッドと並列に接続される
構成とした実用新案登録請求の範囲第１項記載の磁気記
録再生装置。 。 ３ 抵抗は、記録時にはオーディオヘッドと並列に接続
され、再生時には切離される構成とした実用新案登録請
求の範囲第１項記載の磁気記録再生装置。[Claims for Utility Model Registration] 1. An audio head and a resistor connected in parallel with the audio head at least during recording, the resistance value of the resistor being set such that the parallel impedance of the resistor and the audio head is a predetermined value. When adjusting the bias current of the audio head, for audio heads of various ranks with different optimal bias current values, the sum of the optimal bias current of the audio head and the current flowing through the resistor is: A magnetic recording/reproducing device configured such that the application of a predetermined voltage is always constant. 2. The magnetic recording and reproducing device according to claim 1, wherein the resistor is always connected in parallel with the audio head. . 3. The magnetic recording and reproducing apparatus according to claim 1, wherein the resistor is connected in parallel with the audio head during recording and disconnected during reproduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10702783U JPS6016307U (en) | 1983-07-08 | 1983-07-08 | magnetic recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10702783U JPS6016307U (en) | 1983-07-08 | 1983-07-08 | magnetic recording and reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6016307U true JPS6016307U (en) | 1985-02-04 |
Family
ID=30250227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10702783U Pending JPS6016307U (en) | 1983-07-08 | 1983-07-08 | magnetic recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6016307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0361891U (en) * | 1989-10-23 | 1991-06-18 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127113B1 (en) * | 1970-12-30 | 1976-08-10 |
-
1983
- 1983-07-08 JP JP10702783U patent/JPS6016307U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5127113B1 (en) * | 1970-12-30 | 1976-08-10 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0361891U (en) * | 1989-10-23 | 1991-06-18 |
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