JPS6437965U - - Google Patents
Info
- Publication number
- JPS6437965U JPS6437965U JP13434387U JP13434387U JPS6437965U JP S6437965 U JPS6437965 U JP S6437965U JP 13434387 U JP13434387 U JP 13434387U JP 13434387 U JP13434387 U JP 13434387U JP S6437965 U JPS6437965 U JP S6437965U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- information signal
- recorded
- frequency
- frequency component
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案の記録モード判別装置の一実施
例を示す電気回路図、第２図は従来の記録モード
判別装置の一実施例を示す電気回路図である。
１……入力端子、２，２ａ……フイルター、３
，３ａ……平滑回路、４……比較回路。
FIG. 1 is an electrical circuit diagram showing an embodiment of the recording mode discriminating device of the present invention, and FIG. 2 is an electrical circuit diagram showing an embodiment of the conventional recording mode discriminating device. 1...Input terminal, 2, 2a...Filter, 3
, 3a... smoothing circuit, 4... comparison circuit.
Claims (1)
２の周波数にそれぞれ周波数変調される互に異な
る２つの記録モードのいづれかによつて記録媒体
上に記録された情報信号を再生し、その再生信号
より前記第１の周波数成分と第２の周波数の成分
とをそれぞれ抽出し、その両周波数成分のレベル
を比較することにより前記情報信号が前記の２つ
の記録モードのいづれのモードにより記録された
ものであるかを判別することを特徴とする磁気記
録再生装置の記録モード判別装置。 Reproducing an information signal recorded on a recording medium in one of two different recording modes in which predetermined levels are frequency modulated at first and second frequencies different from each other, and The information signal is recorded in which of the two recording modes by extracting the first frequency component and the second frequency component from the reproduced signal and comparing the levels of the two frequency components. 1. A recording mode discriminating device for a magnetic recording/reproducing device, characterized by discriminating whether the recording mode is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13434387U JPS6437965U (en) | 1987-09-02 | 1987-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13434387U JPS6437965U (en) | 1987-09-02 | 1987-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437965U true JPS6437965U (en) | 1989-03-07 |
Family
ID=31393015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13434387U Pending JPS6437965U (en) | 1987-09-02 | 1987-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437965U (en) |
-
1987
- 1987-09-02 JP JP13434387U patent/JPS6437965U/ja active Pending
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