JPH0550236B2 - - Google Patents

Info

Publication number
JPH0550236B2
JPH0550236B2 JP58250987A JP25098783A JPH0550236B2 JP H0550236 B2 JPH0550236 B2 JP H0550236B2 JP 58250987 A JP58250987 A JP 58250987A JP 25098783 A JP25098783 A JP 25098783A JP H0550236 B2 JPH0550236 B2 JP H0550236B2
Authority
JP
Japan
Prior art keywords
frequency
resistor
motor
signal
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.)
Expired - Lifetime
Application number
JP58250987A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60144150A (ja
Inventor
Hideo Niikura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP58250987A priority Critical patent/JPS60144150A/ja
Publication of JPS60144150A publication Critical patent/JPS60144150A/ja
Publication of JPH0550236B2 publication Critical patent/JPH0550236B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/16—Controlling the angular speed of one shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
JP58250987A 1983-12-30 1983-12-30 モ−タの速度制御回路 Granted JPS60144150A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58250987A JPS60144150A (ja) 1983-12-30 1983-12-30 モ−タの速度制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58250987A JPS60144150A (ja) 1983-12-30 1983-12-30 モ−タの速度制御回路

Publications (2)

Publication Number Publication Date
JPS60144150A JPS60144150A (ja) 1985-07-30
JPH0550236B2 true JPH0550236B2 (en:Method) 1993-07-28

Family

ID=17215980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58250987A Granted JPS60144150A (ja) 1983-12-30 1983-12-30 モ−タの速度制御回路

Country Status (1)

Country Link
JP (1) JPS60144150A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69117323T2 (de) * 1990-04-16 1996-07-11 Hitachi Ltd Dünnfilm-Magnetkopf mit schmaler Spurbreite und dessen Herstellungsverfahren

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55167794U (en:Method) * 1979-05-18 1980-12-02

Also Published As

Publication number Publication date
JPS60144150A (ja) 1985-07-30

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term