JPH0175356U - - Google Patents
Info
- Publication number
- JPH0175356U JPH0175356U JP1987167947U JP16794787U JPH0175356U JP H0175356 U JPH0175356 U JP H0175356U JP 1987167947 U JP1987167947 U JP 1987167947U JP 16794787 U JP16794787 U JP 16794787U JP H0175356 U JPH0175356 U JP H0175356U
- Authority
- JP
- Japan
- Prior art keywords
- write
- disk
- protection
- display means
- detection unit
- 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 7
- 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
の斜視図、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…書込み禁止解除面検
出部、２３ａ…解除面信号、２４…書込み禁止解
除部、２４ａ…書込み禁止解除面信号、２５…書
込み禁止表示手段、２６…書込み禁止解除面表示
手段。
Figure 1 is a block diagram of the disk device of the present invention.
Fig. 2 is a top view of the disk, Fig. 3 is a side view of the disk shown in Fig. 2, Fig. 4 is a circuit diagram of a conventional disk device, and Fig. 5 is a perspective view of the disk shown in Fig. 2. , FIG. 6 is a circuit diagram of the disk device of the present invention, and FIG. 7 is a state diagram of the disk device of the present invention. 13...Write control unit, 15...μCPU, 16...
Disk drive section, 22...Writing protection surface detection section, 22a...Detection signal, 23...Write protection release surface detection section, 23a...Release surface signal, 24...Write protection release section, 24a...Write protection release surface signal, 25...Writing Prohibition display means, 26...Writing prohibition release surface display means.
Claims (1)
段とを備えたデイスクと、 このデイスクを駆動するデイスクドライブ部と
、 前記デイスクの書込み禁止表示手段の表示内容
を認識する書込み禁止検出部と、 前記デイスクの書込み禁止解除面表示手段の内
容を認識する書込み禁止解除検出部と、 前記書込み禁止検出部と前記書込み禁止解除面
検出部との出力信号を受入れて書込み禁止解除信
号を出力する書込み禁止信号出力部と、 この書込み禁止信号を受入れて前記デイスクド
ライブ部に装着された前記デイスクに対するデー
タの書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-protection display means and a write-protection release surface display means, a disk drive section for driving the disk, and a writing device for recognizing display contents of the write-protection display means of the disk. a write-protection release detection unit that recognizes the contents of a write-protection release surface display means of the disk; and a write-protection release detection unit that receives output signals from the write-protection detection unit and the write-protection release surface detection unit to generate a write-protection release signal. A disk device comprising: a write inhibit signal output unit that outputs a write inhibit signal; and a write control unit that receives the write inhibit signal and controls a data write operation to the disk mounted in the disk drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167947U JPH0175356U (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167947U JPH0175356U (en) | 1987-11-04 | 1987-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175356U true JPH0175356U (en) | 1989-05-22 |
Family
ID=31456697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167947U Pending JPH0175356U (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175356U (en) |
-
1987
- 1987-11-04 JP JP1987167947U patent/JPH0175356U/ja active Pending
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