JPH01102941U - - Google Patents
Info
- Publication number
- JPH01102941U JPH01102941U JP19861887U JP19861887U JPH01102941U JP H01102941 U JPH01102941 U JP H01102941U JP 19861887 U JP19861887 U JP 19861887U JP 19861887 U JP19861887 U JP 19861887U JP H01102941 U JPH01102941 U JP H01102941U
- Authority
- JP
- Japan
- Prior art keywords
- storage device
- abnormality
- external storage
- circuit
- abnormal voltage
- 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
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Description
図面はこの考案の一実施例による磁気デイスク
装置の要部を示す回路図である。
１…磁気ヘツド、２…再生アンプ、３…記録ア
ンプ、４…記録電流供給回路、５…異常電圧検出
回路、６，７…第１、第２の電圧コンパレータ、
８，１２，１７…トランジスタ、１３…インター
フエースドライバ、１４，１６…インターフエー
スレシーバ、１５…出力制御回路。
The drawing is a circuit diagram showing the main parts of a magnetic disk device according to an embodiment of the invention. DESCRIPTION OF SYMBOLS 1... Magnetic head, 2... Reproducing amplifier, 3... Recording amplifier, 4... Recording current supply circuit, 5... Abnormal voltage detection circuit, 6, 7... First and second voltage comparators,
8, 12, 17...Transistor, 13...Interface driver, 14, 16...Interface receiver, 15...Output control circuit.
Claims (1)
備え、この異常検出出力に基づき記録動作を停止
するようにした外部記憶装置において、外部入力
に基づき上記異常電圧検出回路の検出出力を阻止
する出力制御回路を備えたことを特徴とする外部
記憶装置。 In an external storage device that is equipped with an abnormal voltage detection circuit that detects an abnormality in the power supply voltage and that stops recording operation based on the abnormality detection output, output control that prevents the detection output of the abnormal voltage detection circuit based on external input. An external storage device characterized by being equipped with a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19861887U JPH01102941U (en) | 1987-12-26 | 1987-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19861887U JPH01102941U (en) | 1987-12-26 | 1987-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102941U true JPH01102941U (en) | 1989-07-12 |
Family
ID=31489115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19861887U Pending JPH01102941U (en) | 1987-12-26 | 1987-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102941U (en) |
-
1987
- 1987-12-26 JP JP19861887U patent/JPH01102941U/ja active Pending
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