JPH0310358U - - Google Patents
Info
- Publication number
- JPH0310358U JPH0310358U JP6670189U JP6670189U JPH0310358U JP H0310358 U JPH0310358 U JP H0310358U JP 6670189 U JP6670189 U JP 6670189U JP 6670189 U JP6670189 U JP 6670189U JP H0310358 U JPH0310358 U JP H0310358U
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- floppy disk
- motor
- switch
- fdd
- 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
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案になる初期駆動回路を内蔵した
ＦＤＤ装置の電気回路図、第２図は従来より実施
されているＦＤＤ装置の概要を示す断面図ａとＦ
Ｄとチヤツクの結合状態を示す説明図ｂと電気回
路の概略図ｃである。
符号の説明、１……電動機の固定子、２……回
転子ヨーク、３……円環状の永久磁石、４……チ
ヤツク４−１…チヤツクの孔、５……チヤツク用
永久磁石、６……回転子軸、７……板バネ、１０
……ローラ、１１……ＦＤ、１２……ＦＤのハブ
、１３……中心部の角孔、１４−１…他の角孔、
ＦＤＤ……ＦＤＤ装置、ＣＴ……電動機制御装置
、Ｖｃｃ……電源端子、Ｍｓ……起動信号端子、
ＴＭ……タイマ装置、Ｑ１……ＮＯＲ回路、Ｑ２
……ＯＲ回路、Ｃ……コンデンサ、Ｄ……ダイオ
ード、Ｒ１，Ｒ２，Ｒ３……抵抗、ＳＥ……スイ
ツチ、Ｍ……電動機。
Fig. 1 is an electrical circuit diagram of an FDD device incorporating the initial drive circuit according to the present invention, and Fig. 2 is a sectional view a and F showing an outline of a conventional FDD device.
FIG. 3 is an explanatory diagram (b) showing the connection state of D and the chuck, and a schematic diagram (c) of the electric circuit. Explanation of symbols: 1...Stator of electric motor, 2...Rotor yoke, 3...Annular permanent magnet, 4...Chuck 4-1...Chuck hole, 5...Permanent magnet for chuck, 6... ...Rotor shaft, 7...Plate spring, 10
...Roller, 11...FD, 12...FD hub, 13...square hole in center, 14-1...other square hole,
FDD...FDD device, CT...motor control device, Vcc...power supply terminal, Ms...start signal terminal,
TM...Timer device, Q1 ...NOR circuit, Q2
...OR circuit, C...capacitor, D...diode, R1 , R2 , R3 ...resistance, SE...switch, M...motor.
Claims (1)
た電動機と、該電動機の駆動装置とを備えたＦＤ
Ｄ装置（フロツピーデスクドライブ装置）におい
て、ＦＤ（フロツピーデスク）の装置により作動
するスイツチを備え、該スイツチで起動するタイ
マ装置により設定された時間の間、前記電動機を
他の制御信号と無関係に動作させる構成を特徴と
する初期駆動回路を内蔵したＦＤＤ装置。 An FD comprising an electric motor having a magnetic disk chuck device on its output shaft, and a drive device for the electric motor.
The D device (floppy disk drive device) is equipped with a switch operated by the FD (floppy disk) device, and the motor is controlled independently of other control signals for a time set by a timer device activated by the switch. An FDD device with a built-in initial drive circuit characterized by a configuration that allows it to operate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6670189U JPH0310358U (en) | 1989-06-09 | 1989-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6670189U JPH0310358U (en) | 1989-06-09 | 1989-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0310358U true JPH0310358U (en) | 1991-01-31 |
Family
ID=31599631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6670189U Pending JPH0310358U (en) | 1989-06-09 | 1989-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310358U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6255257B2 (en) * | 1979-02-21 | 1987-11-19 | Mitsubishi Electric Corp |
-
1989
- 1989-06-09 JP JP6670189U patent/JPH0310358U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6255257B2 (en) * | 1979-02-21 | 1987-11-19 | Mitsubishi Electric Corp |