JPH0181782U - - Google Patents
Info
- Publication number
- JPH0181782U JPH0181782U JP1987179188U JP17918887U JPH0181782U JP H0181782 U JPH0181782 U JP H0181782U JP 1987179188 U JP1987179188 U JP 1987179188U JP 17918887 U JP17918887 U JP 17918887U JP H0181782 U JPH0181782 U JP H0181782U
- Authority
- JP
- Japan
- Prior art keywords
- disk assembly
- head disk
- model
- memory
- management information
- 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
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例の磁気デイスク装置
のヘツド・デイスク・アツセンブリの構成を示す
図、第２図ａおよび第２図ｂは第１図中に示した
印刷配線板の平面図および側面図、第３図は本実
施例を利用してＨＤＡの機能検査を自動化した一
例を示すブロツク図である。
１……ヘツドデイスク組立体、２……印刷配線
板、３……メモリーＩＣ、４……信号線、５……
テスタ選択回路、６……履歴管理回路、７……テ
スタ群、７１〜７４……テスタ、２１……ＨＤＡ
管理情報信号、２２……テスタ選択信号。
FIG. 1 is a diagram showing the configuration of a head disk assembly of a magnetic disk device according to an embodiment of the present invention, and FIGS. 2a and 2b are plan views and views of the printed wiring board shown in FIG. The side view and FIG. 3 are block diagrams showing an example of automating HDA function testing using this embodiment. 1...Head disk assembly, 2...Printed wiring board, 3...Memory IC, 4...Signal line, 5...
Tester selection circuit, 6... History management circuit, 7... Tester group, 7 1 to 7 4 ... Tester, 21... HDA
Management information signal, 22...Tester selection signal.
Claims (1)
ツドデイスク組立体の型式、前記型式別に存在す
る履歴コードおよび製造年月日をヘツドデイスク
組立体管理情報として記憶するメモリーＩＣと、
前記メモリーＩＣに記憶されている前記管理情報
を前記ヘツドデイスク組立体外部へ送出する信号
線とを有することを特徴とする磁気デイスク装置
。 a memory IC provided inside the head disk assembly and storing the model of the head disk assembly, a history code existing for each model, and the date of manufacture as head disk assembly management information;
A magnetic disk device comprising: a signal line for sending the management information stored in the memory IC to the outside of the head disk assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17918887U JPH0450623Y2 (en) | 1987-11-24 | 1987-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17918887U JPH0450623Y2 (en) | 1987-11-24 | 1987-11-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0181782U true JPH0181782U (en) | 1989-05-31 |
| JPH0450623Y2 JPH0450623Y2 (en) | 1992-11-30 |
Family
ID=31470764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17918887U Expired JPH0450623Y2 (en) | 1987-11-24 | 1987-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0450623Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0696335A (en) * | 1992-09-17 | 1994-04-08 | Kubota Corp | Production of period controller for automatic vending machine |
-
1987
- 1987-11-24 JP JP17918887U patent/JPH0450623Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0696335A (en) * | 1992-09-17 | 1994-04-08 | Kubota Corp | Production of period controller for automatic vending machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450623Y2 (en) | 1992-11-30 |
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