JPS61136372U - - Google Patents
Info
- Publication number
- JPS61136372U JPS61136372U JP1963185U JP1963185U JPS61136372U JP S61136372 U JPS61136372 U JP S61136372U JP 1963185 U JP1963185 U JP 1963185U JP 1963185 U JP1963185 U JP 1963185U JP S61136372 U JPS61136372 U JP S61136372U
- Authority
- JP
- Japan
- Prior art keywords
- flexible disk
- circuit
- outputs
- rotate
- disk
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図及び第２図は夫々本考案回路の一実施例
の回路図及び信号波形図である。
１…デイスク装着検出装置、１ａ…発光ダイオ
ード、１ｂ…フオトトランジスタ、２…ナンドゲ
ート、３…モータオンオフ信号入力端子、４，５
…インバータ、６…デイスクモータ、Ｑ１，Ｑ２
…トランジスタ。
1 and 2 are a circuit diagram and a signal waveform diagram, respectively, of an embodiment of the circuit of the present invention. DESCRIPTION OF SYMBOLS 1...Disk attachment detection device, 1a...Light emitting diode, 1b...Phototransistor, 2...NAND gate, 3...Motor on/off signal input terminal, 4, 5
...Inverter, 6...Disc motor, Q 1 , Q 2
...transistor.
Claims (1)
るか否かを検出する検出回路と、該フレキシブル
デイスクを回転する操作に応じて所定レベルの信
号を出力する端子と、該検出回路出力と該端子出
力との論理積をとり、該フレキシブルデイスクが
装置内に装着されていて該フレキシブルデイスク
を回転する操作がなされた場合のみ該フレキシブ
ルデイスクを回転する駆動信号を出力する回路と
よりなるフレキシブルデイスク装置のデイスクモ
ータ駆動回路。 A detection circuit that detects whether or not a flexible disk is installed in the device, a terminal that outputs a signal at a predetermined level in response to an operation of rotating the flexible disk, and logic between the detection circuit output and the terminal output. A disk motor drive circuit for a flexible disk device, comprising a circuit that outputs a drive signal to rotate the flexible disk only when the flexible disk is installed in the device and an operation to rotate the flexible disk is performed. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1963185U JPS61136372U (en) | 1985-02-14 | 1985-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1963185U JPS61136372U (en) | 1985-02-14 | 1985-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61136372U true JPS61136372U (en) | 1986-08-25 |
Family
ID=30509384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1963185U Pending JPS61136372U (en) | 1985-02-14 | 1985-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61136372U (en) |
-
1985
- 1985-02-14 JP JP1963185U patent/JPS61136372U/ja active Pending
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