JPH02149193U - - Google Patents
Info
- Publication number
- JPH02149193U JPH02149193U JP5451889U JP5451889U JPH02149193U JP H02149193 U JPH02149193 U JP H02149193U JP 5451889 U JP5451889 U JP 5451889U JP 5451889 U JP5451889 U JP 5451889U JP H02149193 U JPH02149193 U JP H02149193U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic recording
- level
- signal
- comparator
- amplifier
- 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
- 238000009499 grossing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Digital Magnetic Recording (AREA)
Description
第１図はこの考案に係る磁気記録再生装置のブ
ロツク図である。
主な符号の説明、１……ヘツド、２……ＲＦア
ンプ、４……平滑回路、５……コンパレータ、６
……表示装置。
FIG. 1 is a block diagram of a magnetic recording/reproducing apparatus according to this invention. Explanation of main symbols, 1...Head, 2...RF amplifier, 4...Smoothing circuit, 5...Comparator, 6
...display device.
Claims (1)
て、 前記回転ヘツドの出力である再生ＲＦ信号のレ
ベルを検出するレベル検出装置と、このレベル検
出装置の検出した検出電圧と予め定められた基準
電圧とを比較するコンパレータと、このコンパレ
ータの比較結果を表示する表示手段とを設けたこ
とを特徴とする磁気記録再生装置。 ２ レベル検出装置は再生ＲＦ信号を増幅するＲ
Ｆアンプと、このＲＦアンプの出力信号を平滑す
る平滑回路とで構成したことを特徴とする請求項
１記載の磁気記録再生装置。[Claims for Utility Model Registration] 1. In a magnetic recording/reproducing device having a rotating head, there is provided a level detecting device for detecting the level of a reproduced RF signal that is an output of the rotating head, and a detection voltage detected by the level detecting device and a predetermined detection voltage. 1. A magnetic recording/reproducing device comprising: a comparator for comparing the voltage with a predetermined reference voltage; and a display means for displaying the comparison result of the comparator. 2 The level detection device amplifies the reproduced RF signal.
2. The magnetic recording and reproducing apparatus according to claim 1, comprising an F amplifier and a smoothing circuit for smoothing the output signal of the RF amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5451889U JPH02149193U (en) | 1989-05-15 | 1989-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5451889U JPH02149193U (en) | 1989-05-15 | 1989-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149193U true JPH02149193U (en) | 1990-12-19 |
Family
ID=31576655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5451889U Pending JPH02149193U (en) | 1989-05-15 | 1989-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149193U (en) |
-
1989
- 1989-05-15 JP JP5451889U patent/JPH02149193U/ja active Pending