KR900021007U - 전환성 미분회로 - Google Patents

전환성 미분회로

Info

Publication number
KR900021007U
KR900021007U KR2019890007381U KR890007381U KR900021007U KR 900021007 U KR900021007 U KR 900021007U KR 2019890007381 U KR2019890007381 U KR 2019890007381U KR 890007381 U KR890007381 U KR 890007381U KR 900021007 U KR900021007 U KR 900021007U
Authority
KR
South Korea
Prior art keywords
differential circuit
switchable differential
switchable
circuit
differential
Prior art date
Application number
KR2019890007381U
Other languages
English (en)
Other versions
KR910007287Y1 (ko
Inventor
김인성
Original Assignee
현대전자산업 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 현대전자산업 주식회사 filed Critical 현대전자산업 주식회사
Priority to KR2019890007381U priority Critical patent/KR910007287Y1/ko
Publication of KR900021007U publication Critical patent/KR900021007U/ko
Application granted granted Critical
Publication of KR910007287Y1 publication Critical patent/KR910007287Y1/ko

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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
  • Networks Using Active Elements (AREA)
KR2019890007381U 1989-05-31 1989-05-31 전환성 미분회로 KR910007287Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890007381U KR910007287Y1 (ko) 1989-05-31 1989-05-31 전환성 미분회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890007381U KR910007287Y1 (ko) 1989-05-31 1989-05-31 전환성 미분회로

Publications (2)

Publication Number Publication Date
KR900021007U true KR900021007U (ko) 1990-12-14
KR910007287Y1 KR910007287Y1 (ko) 1991-09-25

Family

ID=19286654

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890007381U KR910007287Y1 (ko) 1989-05-31 1989-05-31 전환성 미분회로

Country Status (1)

Country Link
KR (1) KR910007287Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004048818A (ja) 2002-07-08 2004-02-12 Rohm Co Ltd モータ駆動装置

Also Published As

Publication number Publication date
KR910007287Y1 (ko) 1991-09-25

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee