JPS644435B2 - - Google Patents

Info

Publication number
JPS644435B2
JPS644435B2 JP55151689A JP15168980A JPS644435B2 JP S644435 B2 JPS644435 B2 JP S644435B2 JP 55151689 A JP55151689 A JP 55151689A JP 15168980 A JP15168980 A JP 15168980A JP S644435 B2 JPS644435 B2 JP S644435B2
Authority
JP
Japan
Prior art keywords
motor
transistor
voltage
circuit
capacitor
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
Application number
JP55151689A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5775589A (en
Inventor
Fusao Fusha
Takao Iwatsuki
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.)
Makita Corp
Original Assignee
Makita Electric Works Ltd
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 Makita Electric Works Ltd filed Critical Makita Electric Works Ltd
Priority to JP55151689A priority Critical patent/JPS5775589A/ja
Priority to US06/314,419 priority patent/US4504769A/en
Priority to DE19813142749 priority patent/DE3142749A1/de
Publication of JPS5775589A publication Critical patent/JPS5775589A/ja
Publication of JPS644435B2 publication Critical patent/JPS644435B2/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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/10—Commutator motors, e.g. repulsion motors
    • H02P25/14—Universal motors
    • H02P25/145—Universal motors whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value, speed feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
JP55151689A 1980-10-28 1980-10-28 Motor driven tool Granted JPS5775589A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55151689A JPS5775589A (en) 1980-10-28 1980-10-28 Motor driven tool
US06/314,419 US4504769A (en) 1980-10-28 1981-10-23 Electrically-powered tool
DE19813142749 DE3142749A1 (de) 1980-10-28 1981-10-28 Elektrisch angetriebenes werkzeug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151689A JPS5775589A (en) 1980-10-28 1980-10-28 Motor driven tool

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP19788885A Division JPS61182757A (ja) 1985-09-07 1985-09-07 電動工具

Publications (2)

Publication Number Publication Date
JPS5775589A JPS5775589A (en) 1982-05-12
JPS644435B2 true JPS644435B2 (en:Method) 1989-01-25

Family

ID=15524104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55151689A Granted JPS5775589A (en) 1980-10-28 1980-10-28 Motor driven tool

Country Status (1)

Country Link
JP (1) JPS5775589A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04153650A (ja) * 1990-10-17 1992-05-27 Fujitsu Ltd マスクパターンデータの処理方法
WO2020085700A1 (ko) * 2018-10-22 2020-04-30 신호열 온라인 광고 시청에 따른 보상 지급 방법

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6067906U (ja) * 1983-10-14 1985-05-14 株式会社　日立工機原町 自動鉋盤における送材速度可変機構
JP7642383B2 (ja) * 2021-01-22 2025-03-10 株式会社マキタ 回転工具

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS477606U (en:Method) * 1971-02-18 1972-09-28
JPS4822487U (en:Method) * 1971-07-20 1973-03-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04153650A (ja) * 1990-10-17 1992-05-27 Fujitsu Ltd マスクパターンデータの処理方法
WO2020085700A1 (ko) * 2018-10-22 2020-04-30 신호열 온라인 광고 시청에 따른 보상 지급 방법

Also Published As

Publication number Publication date
JPS5775589A (en) 1982-05-12

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