JPS6372768U - - Google Patents
Info
- Publication number
- JPS6372768U JPS6372768U JP16669786U JP16669786U JPS6372768U JP S6372768 U JPS6372768 U JP S6372768U JP 16669786 U JP16669786 U JP 16669786U JP 16669786 U JP16669786 U JP 16669786U JP S6372768 U JPS6372768 U JP S6372768U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- disk
- drive device
- magnetic
- disk drive
- 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 3
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
Description
第１図ないし第５図は、この考案の実施例を説
明するためのもので、第１図は本考案に係るダミ
ーデイスケツトがロードされた状態を示す磁気デ
イスク駆動装置の正面図、第２図は上部カバーを
省略した同状態を示す磁気デイスク駆動装置の平
面図、第３図はダミーデイスケツト非挿入時の状
態を示すデイスク駆動装置の正面図、第４図は実
施例のデイスク駆動装置に使用されるダミーデイ
スケツトの平面図、第５図ａ，ｂはそれぞれ制御
装置の動作を示すフローチヤート、第６図は実施
例として示したデイスク駆動装置に使用されるデ
イスクカートリツジの底面図、第７図は従来まで
のデイスク駆動装置に使用されるダミーデイスケ
ツトの平面図である。
１９……ライトプロテクトセンサ、２０……デ
イスクインセンサ、１９ａ，２０ａ……センシン
グロツド。
1 to 5 are for explaining an embodiment of the present invention, and FIG. 1 is a front view of the magnetic disk drive device showing a state in which a dummy diskette according to the present invention is loaded, and FIG. The figure is a plan view of the magnetic disk drive device showing the same state with the upper cover omitted, FIG. 3 is a front view of the disk drive device showing the state when no dummy diskette is inserted, and FIG. 4 is the disk drive device of the embodiment. FIGS. 5a and 5b are flowcharts showing the operation of the control device, respectively. FIG. 6 is a bottom view of a disk cartridge used in the disk drive device shown as an example. , FIG. 7 is a plan view of a dummy diskette used in a conventional disk drive device. 19...Write protect sensor, 20...Disk-in sensor, 19a, 20a...Sensing rod.
Claims (1)
媒体に対して信号の書き込みあるいは読み出しを
おこなう磁気ヘツドと、磁気記録媒体のロード状
態を検出するデイスクインセンサと、磁気記録媒
体への書き込みの可否を検出するライトプロテク
トセンサとを備えた磁気デイスク駆動装置におい
て、デイスク駆動装置を制御する駆動ユニツトに
該デイスク駆動装置を実装し、少なくとも駆動ユ
ニツトに最初に電源を投入したときに、デイスク
インセンサとライトプロテクトセンサの検出状態
に応じて磁気ヘツドのシークを禁止する制御手段
を設けたことを特徴とする磁気デイスク駆動装置
。 (2) 実用新案登録請求の範囲第(1)項において、
デイスクインセンサとライトプロテクトセンサの
検出状態が、少なくともデイスクインセンサがＯ
ＦＦであることを特徴とする磁気デイスク駆動装
置。 (3) 実用新案登録請求の範囲第(1)項において、
デイスクインセンサとライトプロテクトセンサの
検出状態が、デイスクインセンサがＯＦＦで、ラ
イトプロテクトセンサがＯＮであることを特徴と
する磁気デイスク駆動装置。[Claims for Utility Model Registration] (1) A magnetic head that writes or reads signals on a disk-shaped magnetic recording medium housed in a case, and a disk-in sensor that detects the loaded state of the magnetic recording medium; In a magnetic disk drive device equipped with a write protect sensor that detects whether or not writing is possible on a magnetic recording medium, the disk drive device is mounted on a drive unit that controls the disk drive device, and at least the drive unit is powered on for the first time. 1. A magnetic disk drive device comprising: a control means for prohibiting a seek of a magnetic head according to detection states of a disk-in sensor and a write protect sensor. (2) In paragraph (1) of claims for utility model registration,
The detection status of the disk-in sensor and write protect sensor is at least 0 when the disk-in sensor is O.
A magnetic disk drive device characterized by being an FF. (3) In paragraph (1) of claims for utility model registration,
A magnetic disk drive device characterized in that the detection states of a disk-in sensor and a write-protect sensor are such that the disk-in sensor is OFF and the write-protect sensor is ON.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16669786U JPS6372768U (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16669786U JPS6372768U (en) | 1986-10-31 | 1986-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372768U true JPS6372768U (en) | 1988-05-16 |
Family
ID=31097924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16669786U Pending JPS6372768U (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372768U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813987A (en) * | 1981-07-17 | 1983-01-26 | Sasakura Eng Co Ltd | Heat transmitting device |
| JPS58194167A (en) * | 1982-05-10 | 1983-11-12 | Toshiba Corp | Floppy disc device |
| JPS59198562A (en) * | 1983-04-25 | 1984-11-10 | Matsushita Electric Ind Co Ltd | Floppy disc device |
-
1986
- 1986-10-31 JP JP16669786U patent/JPS6372768U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813987A (en) * | 1981-07-17 | 1983-01-26 | Sasakura Eng Co Ltd | Heat transmitting device |
| JPS58194167A (en) * | 1982-05-10 | 1983-11-12 | Toshiba Corp | Floppy disc device |
| JPS59198562A (en) * | 1983-04-25 | 1984-11-10 | Matsushita Electric Ind Co Ltd | Floppy disc device |
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