JPS5939419U - magnetic recording and playback device - Google Patents
magnetic recording and playback deviceInfo
- Publication number
- JPS5939419U JPS5939419U JP19693082U JP19693082U JPS5939419U JP S5939419 U JPS5939419 U JP S5939419U JP 19693082 U JP19693082 U JP 19693082U JP 19693082 U JP19693082 U JP 19693082U JP S5939419 U JPS5939419 U JP S5939419U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- magnetic recording
- playback device
- reproducing
- bias current
- 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
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
第１図は本考案の一実施例を示す回路図、第２図は録音
バイアス電流対再生レベル特性、第３図は第１図に示し
た回路図の動作説明に供するタイミングチャートである
。
１．１′・・・テープリール、５・・・録音アンプ、６
・・・再生アンプ、７・・・録音入力端子、８・・・再
生出力端子、９・・・低周波発振器、１５・・・信号レ
ベル検出装置。
に’ｌｈ ＳＷ □二：］ 土−
ＲＬＩ 。Ｎ］ 十−
Ｏ圧 。
ＲＬ２ °Ｎ］ ｊ
ＦＦ
°““ −２Ｖ］羽
Ｉ
録音バイア人宙褒二］ −ト４
・］」ｉ
え、 １″竺”ｆ″ ｌＪ 、口
ｏＮ］−Ｈ
ＯＮ：」
・ ＱＩ９１ １ 丁
４ＯＦＦ、ｊ
−ト見
−動
ｚ’ １ シＩ
口 動 崎向FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a recording bias current versus reproduction level characteristic, and FIG. 3 is a timing chart for explaining the operation of the circuit diagram shown in FIG. 1. 1.1'...tape reel, 5...recording amplifier, 6
... Playback amplifier, 7... Recording input terminal, 8... Playback output terminal, 9... Low frequency oscillator, 15... Signal level detection device. ni'lh SW □2:] Sat-RLI. N] 10-O pressure. RL2 °N] j FF °"" -2V] Feather I Recording Baiajin Chuhoji] -To4 ・]"i E, 1""f" lJ, mouth oN] -H ON:" 4OFF, j-to-view-movement z' 1 SI mouth motion Sakimukai
Claims (1)
する手段と、この録音された信号を再生する手段と、こ
の再生された信号のレベルにより上記録音バイアス電流
の可変を自動的に停止させて保持する手段とよりなる録
音バイアスの自動調整装−置を備えた磁気録音再生装置
に於いて１．三角波又は鋸歯状波の発生装置と、上記波
形の電圧に比例して上記自動調整装置が動作中に作動し
て表示する表示手段を有することを特徴とする磁気録音
再生装置。(i) means for recording a reference signal while varying the recording bias current, means for reproducing the recorded signal, and automatically stopping and maintaining the variation of the recording bias current according to the level of the reproduced signal; In a magnetic recording and reproducing device equipped with an automatic recording bias adjustment device consisting of a means for: 1. 1. A magnetic recording and reproducing device comprising a triangular wave or sawtooth wave generator, and a display means that operates and displays a display when the automatic adjustment device is in operation in proportion to the voltage of the waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19693082U JPS5939419U (en) | 1982-12-29 | 1982-12-29 | magnetic recording and playback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19693082U JPS5939419U (en) | 1982-12-29 | 1982-12-29 | magnetic recording and playback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5939419U true JPS5939419U (en) | 1984-03-13 |
Family
ID=30422199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19693082U Pending JPS5939419U (en) | 1982-12-29 | 1982-12-29 | magnetic recording and playback device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5939419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62154694A (en) * | 1985-12-26 | 1987-07-09 | 株式会社東芝 | Wiring method of printed board and wiring unit |
-
1982
- 1982-12-29 JP JP19693082U patent/JPS5939419U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62154694A (en) * | 1985-12-26 | 1987-07-09 | 株式会社東芝 | Wiring method of printed board and wiring unit |
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