JPH0276363U - - Google Patents
Info
- Publication number
- JPH0276363U JPH0276363U JP15638388U JP15638388U JPH0276363U JP H0276363 U JPH0276363 U JP H0276363U JP 15638388 U JP15638388 U JP 15638388U JP 15638388 U JP15638388 U JP 15638388U JP H0276363 U JPH0276363 U JP H0276363U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- magnetic head
- magnetic
- detection circuit
- remaining amount
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
第１図は本考案の一実施例を示す構成ブロツク
図、第２図は動作の一例を示すフローチヤートで
ある。
１……磁気テープ、３……磁気ヘツド、４……
モータ制御回路、５……ヘツド制御回路、６……
テープ孔センサ、７……ヘツド位置検出回路、８
……演算回路、９……コマンド処理制御回路。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a flowchart showing an example of the operation. 1...Magnetic tape, 3...Magnetic head, 4...
Motor control circuit, 5...Head control circuit, 6...
Tape hole sensor, 7...Head position detection circuit, 8
...Arithmetic circuit, 9...Command processing control circuit.
Claims (1)
データを書き込む磁気テープ記憶装置において、 前記磁気テープに接触する磁気ヘツドの位置を
検出する磁気ヘツド位置検出回路と、 この磁気ヘツド位置検出回路で得られた磁気ヘ
ツド位置情報に基づいて前記磁気テープの残量を
演算する演算回路と、 この演算回路で演算されたテープ残量と前記ホ
ストプロセツサから送られたライトコマンドに付
されている書き込みデータ量とを比較し、テープ
残量が書込みデータ量より少ない場合、エラーメ
ツセージをホストプロセツサに返送するコマンド
処理制御回路と を設けた磁気テープ記憶装置。[Scope of Claim for Utility Model Registration] A magnetic tape storage device for writing data transferred from a host processor onto a magnetic tape, comprising: a magnetic head position detection circuit for detecting the position of a magnetic head in contact with the magnetic tape; an arithmetic circuit that calculates the remaining amount of the magnetic tape based on the magnetic head position information obtained by the position detection circuit; and an arithmetic circuit that calculates the remaining amount of the magnetic tape based on the magnetic head position information obtained by the position detection circuit; A magnetic tape storage device equipped with a command processing control circuit that compares the amount of written data that has been written and returns an error message to a host processor if the remaining amount of tape is less than the amount of written data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15638388U JPH0276363U (en) | 1988-11-30 | 1988-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15638388U JPH0276363U (en) | 1988-11-30 | 1988-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0276363U true JPH0276363U (en) | 1990-06-12 |
Family
ID=31434874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15638388U Pending JPH0276363U (en) | 1988-11-30 | 1988-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0276363U (en) |
-
1988
- 1988-11-30 JP JP15638388U patent/JPH0276363U/ja active Pending
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