JPH01103053U - - Google Patents
Info
- Publication number
- JPH01103053U JPH01103053U JP19487987U JP19487987U JPH01103053U JP H01103053 U JPH01103053 U JP H01103053U JP 19487987 U JP19487987 U JP 19487987U JP 19487987 U JP19487987 U JP 19487987U JP H01103053 U JPH01103053 U JP H01103053U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- write
- section
- writing
- display means
- 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 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Storage Device Security (AREA)
Description
第１図は本考案のデイスク装置のブロツク図、
第２図はデイスクの上面図、第３図は第２図に示
したデイスクプロテクトシールの側面図、第４図
は従来のデイスク装置の回路図、第５図は第２図
に示したデイスクと反射プロテクトシールと無反
射プロテクトシールの側面図、第６図は本考案の
デイスク装置の回路図、第７図は本考案のデイス
ク装置の各部の信号レベルを示す状態図である。
１３…書込み制御部、１５…μＣＰＵ、１６…
デイスクドライブ部、２２…書込み禁止面検出部
、２２ａ…検出信号、２３…書込み禁止面選択部
、２３ａ…書込み禁止面信号、３１…書込み禁止
面表示手段。
Figure 1 is a block diagram of the disk device of the present invention.
Figure 2 is a top view of the disk, Figure 3 is a side view of the disk protect seal shown in Figure 2, Figure 4 is a circuit diagram of a conventional disk device, and Figure 5 is the disk shown in Figure 2. 6 is a side view of a reflective protection seal and a non-reflective protection seal, FIG. 6 is a circuit diagram of the disk device of the present invention, and FIG. 7 is a state diagram showing signal levels of various parts of the disk device of the present invention. 13...Write control unit, 15...μCPU, 16...
Disk drive section, 22... write-inhibited surface detection section, 22a... detection signal, 23... write-inhibited surface selection section, 23a... write-inhibited surface signal, 31... write-inhibited surface display means.
Claims (1)
と、 前記書込み面禁止表示手段の表示内容を認識す
る書込み禁止面検出部と、 この書込み禁止面検出部の検出信号を受入れて
書込み面選択信号を出力する書込み面選択部と、 前記書込み面選択信号に基づいて前記デイスク
ドライブ装置に装着された前記デイスクに対する
データの聞き込み動作を制御する書込み制御部と
を有することを特徴とするデイスク装置。[Scope of Claim for Utility Model Registration] A disk equipped with a write-protected surface display means, a disk drive device for driving this disk, a write-protected surface detection unit that recognizes the display content of the write-protected surface display means, a writing surface selection section that receives a detection signal from a prohibited surface detection section and outputs a writing surface selection signal; and a writing section that controls a data reading operation for the disk mounted in the disk drive device based on the writing surface selection signal. What is claimed is: 1. A disk device comprising a control section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19487987U JPH01103053U (en) | 1987-12-24 | 1987-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19487987U JPH01103053U (en) | 1987-12-24 | 1987-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01103053U true JPH01103053U (en) | 1989-07-12 |
Family
ID=31485583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19487987U Pending JPH01103053U (en) | 1987-12-24 | 1987-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01103053U (en) |
-
1987
- 1987-12-24 JP JP19487987U patent/JPH01103053U/ja active Pending
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