JPS6437906U - - Google Patents
Info
- Publication number
- JPS6437906U JPS6437906U JP13424787U JP13424787U JPS6437906U JP S6437906 U JPS6437906 U JP S6437906U JP 13424787 U JP13424787 U JP 13424787U JP 13424787 U JP13424787 U JP 13424787U JP S6437906 U JPS6437906 U JP S6437906U
- Authority
- JP
- Japan
- Prior art keywords
- track
- edge
- magnetic tape
- utility
- model registration
- 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.)
- Granted
Links
- 238000003708 edge detection Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案に係るデータレコーダの要部
の一例であるエツジ検出回路の系統図、第２図は
エツジ検出のための説明図、第３図はエツジ検出
の制御プログラムの一例を示すフローチヤート、
第４図はテープの記録フオーマツトを示す図、第
５図は従来のエツジ検出のための説明図である。
１……磁気テープ、１０……エツジ検出回路、
１３……マイクロコンピユータ、Ｂｏ……標準レ
ベル、ＨＲＰ……磁気ヘツド、ＳＲ……基準信号
、Ｔ１〜Ｔ３……エツジ検出用のトラツク。
Fig. 1 is a system diagram of an edge detection circuit which is an example of the main part of the data recorder according to this invention, Fig. 2 is an explanatory diagram for edge detection, and Fig. 3 is a flowchart showing an example of an edge detection control program. Chart,
FIG. 4 is a diagram showing a tape recording format, and FIG. 5 is an explanatory diagram for conventional edge detection. 1... Magnetic tape, 10... Edge detection circuit,
13...Microcomputer, Bo...Standard level, HRP...Magnetic head, SR...Reference signal, T1-T3...Track for edge detection.
Claims (1)
ジの外側より所定の期間にわたり、記録トラツク
を順次シフトしながら基準信号を記録再生し、 エツジを跨いだ最初のトラツクと次のトラツク
から夫々得られた再生出力に基づいて、磁気テー
プのエツジを検出するようにしたことを特徴とす
るデータレコーダ。 (2) 上記エツジを跨いだトラツクの次のトラツ
クから得られた再生出力レベルが、エツジ検出用
の標準レベルに選定されてなることを特徴とする
実用新案登録請求の範囲第１項記載のデータレコ
ーダ。[Claims for Utility Model Registration] (1) A reference signal is recorded and reproduced while sequentially shifting the recording track over a predetermined period from the outside of one edge in the width direction of the magnetic tape. A data recorder characterized in that an edge of a magnetic tape is detected based on playback outputs obtained from one track and the next track. (2) The data according to claim 1 of the utility model registration claim, characterized in that the playback output level obtained from the track following the track that straddles the edge is selected as the standard level for edge detection. recorder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987134247U JPH0633532Y2 (en) | 1987-09-02 | 1987-09-02 | Data recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987134247U JPH0633532Y2 (en) | 1987-09-02 | 1987-09-02 | Data recorder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6437906U true JPS6437906U (en) | 1989-03-07 |
| JPH0633532Y2 JPH0633532Y2 (en) | 1994-08-31 |
Family
ID=31392831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987134247U Expired - Lifetime JPH0633532Y2 (en) | 1987-09-02 | 1987-09-02 | Data recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633532Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6396716U (en) * | 1986-12-12 | 1988-06-22 |
-
1987
- 1987-09-02 JP JP1987134247U patent/JPH0633532Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6396716U (en) * | 1986-12-12 | 1988-06-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0633532Y2 (en) | 1994-08-31 |
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