CA1257645C - - Google Patents

Info

Publication number: CA1257645C
Authority: CA; Canada
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

CA 475641

Other versions

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.)

1984-03-23

Filing date

1985-03-04

Publication date

1989-07-18

1985-03-04 Application filed filed Critical

1988-09-27 Priority to CA000578623A priority Critical patent/CA1257645A/en

1989-04-25 Application granted granted Critical

1989-04-25 Publication of CA1253202A publication Critical patent/CA1253202A/en

1989-07-18 Publication of CA1257645C publication Critical patent/CA1257645C/xx

Status Expired 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
- H02P23/0077—Characterised by the use of a particular software algorithm
- 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)
Control Of Electric Motors In General (AREA)
Machine Tool Sensing Apparatuses (AREA)
Control Of Direct Current Motors (AREA)

CA000475641A 1984-03-23 1985-03-04 Microprocessor based motor speed control Expired CA1253202A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000578623A CA1257645A (en)	1984-03-23	1988-09-27	Method of detecting kickback condition in a motor driven tool

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US59280984A	1984-03-23	1984-03-23

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000578623A Division CA1257645A (en)	1984-03-23	1988-09-27	Method of detecting kickback condition in a motor driven tool

Publications (2)

Publication Number	Publication Date
CA1253202A CA1253202A (en)	1989-04-25
CA1257645C true CA1257645C (en)	1989-07-18

Family

ID=24372154

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000475641A Expired CA1253202A (en)	1984-03-23	1985-03-04	Microprocessor based motor speed control

Country Status (7)

Country	Link
JP (2)	JP2630930B2 (en)
AU (1)	AU570385B2 (en)
CA (1)	CA1253202A (en)
DE (1)	DE3510619A1 (en)
FR (1)	FR2566977B1 (en)
GB (1)	GB2156546B (en)
IT (1)	IT1222364B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5923145A (en) *	1997-08-15	1999-07-13	S-B Power Tool Company	Controller for variable speed motor
US20040155532A1 (en) *	2003-02-07	2004-08-12	Brotto Daniele C.	Method for sensing switch closure to prevent inadvertent startup
JP5462575B2 (en)	2009-10-05	2014-04-02	株式会社マキタ	Electric tool

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5058513A (en) *	1971-07-01	1975-05-21
DE2324174A1 (en) *	1973-05-12	1974-11-28	Metabowerke Kg	ELECTRIC MOTOR DRIVEN HAND DRILL WITH CONTROLLED SPEED
FR2254056A1 (en) *	1973-12-10	1975-07-04	Mitsubishi Heavy Ind Ltd	Semi-open loop servo control system - permits closed loop operation until reference value is approached
DE2546478A1 (en) *	1975-10-17	1977-04-21	Schlafhorst & Co W	Winding reel starting circuit - with changeover switches before speed and armature current comparators for thyristor firing circuit
DE2744361A1 (en) *	1977-10-01	1979-04-05	Huebner Johannes	Motor speed control system - has tachogenerator pulse train frequency increased or reduced by fixed factor, so as to be equal to reference frequency
DE2829657C2 (en) *	1978-07-06	1986-09-11	Pfaff Haushaltmaschinen Gmbh, 7500 Karlsruhe	Speed limitation for a series motor
JPS5534852A (en) *	1978-09-04	1980-03-11	Hitachi Ltd	Speed controller of motor
JPS5569899U (en) *	1978-11-02	1980-05-14
US4267914A (en)	1979-04-26	1981-05-19	Black & Decker Inc.	Anti-kickback power tool control
US4249117A (en)	1979-05-01	1981-02-03	Black And Decker, Inc.	Anti-kickback power tool control
DE2933355A1 (en) *	1979-08-17	1981-03-26	Scintilla Ag, Solothurn	ELECTRIC HAND TOOL
US4307325A (en) *	1980-01-28	1981-12-22	Black & Decker Inc.	Digital control system for electric motors in power tools and the like
JPS56145792A (en) *	1980-04-10	1981-11-12	Star Seiki:Kk	Control circuit for induction type geared motor
DE3101511A1 (en) *	1981-01-19	1982-08-26	Siemens AG, 1000 Berlin und 8000 München	METHOD AND ARRANGEMENT FOR DETERMINING THE LOAD OF DEVICES DRIVEN BY AN ELECTRIC MOTOR
JPS598479Y2 (en) *	1982-04-22	1984-03-15	ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング	Electric rotation speed control device for AC motor
GB2123174A (en) *	1982-06-07	1984-01-25	Singer Co	Speed selector for power tool
JPS60100213A (en) *	1983-11-04	1985-06-04	Komatsu Ltd	Control method of robot
JPS62247784A (en) *	1986-04-21	1987-10-28	Matsushita Electric Works Ltd	Speed control circuit for motor
JPH0512464U (en) *	1991-07-26	1993-02-19	株式会社東芝	Hydraulic elevator power unit

1985
- 1985-03-04 CA CA000475641A patent/CA1253202A/en not_active Expired
- 1985-03-11 AU AU39716/85A patent/AU570385B2/en not_active Ceased
- 1985-03-12 GB GB08506389A patent/GB2156546B/en not_active Expired
- 1985-03-22 IT IT20020/85A patent/IT1222364B/en active
- 1985-03-22 JP JP60057635A patent/JP2630930B2/en not_active Expired - Lifetime
- 1985-03-23 DE DE19853510619 patent/DE3510619A1/en not_active Ceased
- 1985-03-25 FR FR8504418A patent/FR2566977B1/en not_active Expired - Fee Related
1993
- 1993-11-04 JP JP5297563A patent/JP2852716B2/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JP2852716B2 (en)	1999-02-03
JPS611297A (en)	1986-01-07
FR2566977B1 (en)	1995-03-24
DE3510619A1 (en)	1985-09-26
GB8506389D0 (en)	1985-04-11
AU570385B2 (en)	1988-03-10
JP2630930B2 (en)	1997-07-16
FR2566977A1 (en)	1986-01-03
JPH06297298A (en)	1994-10-25
GB2156546A (en)	1985-10-09
CA1253202A (en)	1989-04-25
AU3971685A (en)	1985-09-26
GB2156546B (en)	1987-10-21
IT8520020A0 (en)	1985-03-22
IT1222364B (en)	1990-09-05

Legal Events

Date	Code	Title	Description
2006-04-25	MKEX	Expiry

Publication	Publication Date	Title
FR99C0037I1 (en)	1999-12-10
GR850832B (en)	1985-11-25
GR851090B (en)	1985-07-10
AT379850B (en)	1986-03-10
GR850929B (en)	1985-11-25
AU2219783A (en)	1984-11-27
AU2557584A (en)	1984-03-13
BG45080A1 (en)	1989-04-14
BG44737A1 (en)	1989-02-15
BG45279A1 (en)	1989-05-15
BG45092A1 (en)	1989-04-14
BG45091A1 (en)	1989-04-14
BG45158A1 (en)	1989-04-14
BG45079A1 (en)	1989-04-14
BG45060A1 (en)	1989-04-14
BG45054A1 (en)	1989-04-14
BG45094A1 (en)	1989-04-14
BG45042A3 (en)	1989-03-15
BG45025A1 (en)	1989-03-15
BG44935A1 (en)	1989-03-15
BG44933A1 (en)	1989-03-15
BG44917A1 (en)	1989-03-15
BG44848A1 (en)	1989-02-15
BG44830A1 (en)	1989-02-15
BG44829A1 (en)	1989-02-15