JPS648208U - - Google Patents
Info
- Publication number
- JPS648208U JPS648208U JP10076187U JP10076187U JPS648208U JP S648208 U JPS648208 U JP S648208U JP 10076187 U JP10076187 U JP 10076187U JP 10076187 U JP10076187 U JP 10076187U JP S648208 U JPS648208 U JP S648208U
- Authority
- JP
- Japan
- Prior art keywords
- rotating head
- magnetic recording
- test signal
- head
- reproducing
- 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
Description
図面はこの考案による回転ヘツドを備えた磁気
記録再生装置の一実施例を示す図である。
１……回転ドラム、２Ａ，２Ｂ……回転ヘツド
、７……スイツチングパルス生成回路、８，９…
…モノマルチバイブレータ、１０，１１……サン
プルパルス生成回路、１４……ＲＦデイテクタ生
成回路、１５，１６……サンプルホールド回路、
１７……ナンド回路、１８……表示回路。
The drawing shows an embodiment of a magnetic recording/reproducing apparatus equipped with a rotary head according to this invention. 1... Rotating drum, 2A, 2B... Rotating head, 7... Switching pulse generation circuit, 8, 9...
... Mono multivibrator, 10, 11 ... Sample pulse generation circuit, 14 ... RF detector generation circuit, 15, 16 ... Sample hold circuit,
17... NAND circuit, 18... Display circuit.
Claims (1)
再生装置において、 前記回転ヘツドの目づまりをチエツクするチエ
ツクモードを有し、 前記チエツクモードは、前記回転ヘツドを取付
けた回転ドラムを少なくとも１回転駆動してテス
ト信号を記録すると共に、前記テスト信号を再生
してその再生レベルに応じてヘツド目づまりの有
無を判定して表示することを特徴とする回転ヘツ
ドを備えた磁気記録再生装置。[Claims for Utility Model Registration] A magnetic recording and reproducing device equipped with a rotating head and capable of recording and reproducing, which has a check mode for checking for clogging in the rotating head, and the check mode includes a rotation mode in which the rotating head is attached. A magnetic recording device equipped with a rotating head, characterized in that a test signal is recorded by driving a drum at least once, and the test signal is reproduced to determine and display the presence or absence of head clogging according to the reproduction level. playback device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10076187U JPS648208U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10076187U JPS648208U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648208U true JPS648208U (en) | 1989-01-18 |
Family
ID=31329134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10076187U Pending JPS648208U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648208U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6076014A (en) * | 1983-10-03 | 1985-04-30 | Sony Corp | Video tape recorder |
-
1987
- 1987-06-30 JP JP10076187U patent/JPS648208U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6076014A (en) * | 1983-10-03 | 1985-04-30 | Sony Corp | Video tape recorder |
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