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KR900008976U - Step motor current control circuit of floppy disk drive - Google Patents

Step motor current control circuit of floppy disk drive

Info

Publication number
KR900008976U
KR900008976U KR2019880017405U KR880017405U KR900008976U KR 900008976 U KR900008976 U KR 900008976U KR 2019880017405 U KR2019880017405 U KR 2019880017405U KR 880017405 U KR880017405 U KR 880017405U KR 900008976 U KR900008976 U KR 900008976U
Authority
KR
South Korea
Prior art keywords
control circuit
disk drive
current control
floppy disk
motor current
Prior art date
Application number
KR2019880017405U
Other languages
Korean (ko)
Other versions
KR910005679Y1 (en
Inventor
배명훈
Original Assignee
삼성전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019880017405U priority Critical patent/KR910005679Y1/en
Publication of KR900008976U publication Critical patent/KR900008976U/en
Application granted granted Critical
Publication of KR910005679Y1 publication Critical patent/KR910005679Y1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/02—Arrangements for controlling dynamo-electric motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • G11B2220/2512—Floppy disks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)
KR2019880017405U 1988-10-27 1988-10-27 Current control circuit of stepping motor for fdd KR910005679Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880017405U KR910005679Y1 (en) 1988-10-27 1988-10-27 Current control circuit of stepping motor for fdd

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880017405U KR910005679Y1 (en) 1988-10-27 1988-10-27 Current control circuit of stepping motor for fdd

Publications (2)

Publication Number Publication Date
KR900008976U true KR900008976U (en) 1990-05-03
KR910005679Y1 KR910005679Y1 (en) 1991-07-30

Family

ID=19280653

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880017405U KR910005679Y1 (en) 1988-10-27 1988-10-27 Current control circuit of stepping motor for fdd

Country Status (1)

Country Link
KR (1) KR910005679Y1 (en)

Also Published As

Publication number Publication date
KR910005679Y1 (en) 1991-07-30

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Legal Events

Date Code Title Description
A201 Request for examination
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19881027

UA0201 Request for examination

Patent event date: 19881027

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

UG1501 Laying open of application
UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19910702

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

Patent event date: 19911023

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19920129

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19920129

UR1001 Payment of annual fee

Payment date: 19940629

Start annual number: 4

End annual number: 4

UR1001 Payment of annual fee

Payment date: 19950701

Start annual number: 5

End annual number: 5

UR1001 Payment of annual fee

Payment date: 19960627

Start annual number: 6

End annual number: 6

FPAY Annual fee payment

Payment date: 19970624

Year of fee payment: 7

UR1001 Payment of annual fee

Payment date: 19970624

Start annual number: 7

End annual number: 7

LAPS Lapse due to unpaid annual fee
UC1903 Unpaid annual fee