GB2256946B - Motor speed controlling device - Google Patents

Motor speed controlling device

Info

Publication number
GB2256946B
GB2256946B GB9212906A GB9212906A GB2256946B GB 2256946 B GB2256946 B GB 2256946B GB 9212906 A GB9212906 A GB 9212906A GB 9212906 A GB9212906 A GB 9212906A GB 2256946 B GB2256946 B GB 2256946B
Authority
GB
United Kingdom
Prior art keywords
motor speed
controlling device
speed controlling
motor
speed
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 - Fee Related
Application number
GB9212906A
Other versions
GB9212906D0 (en
GB2256946A (en
Inventor
Norio Kobayashi
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.)
Brother Industries Ltd
Original Assignee
Brother Industries 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 Brother Industries Ltd filed Critical Brother Industries Ltd
Publication of GB9212906D0 publication Critical patent/GB9212906D0/en
Publication of GB2256946A publication Critical patent/GB2256946A/en
Application granted granted Critical
Publication of GB2256946B publication Critical patent/GB2256946B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Computer And Data Communications (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Direct Current Motors (AREA)
GB9212906A 1991-06-18 1992-06-18 Motor speed controlling device Expired - Fee Related GB2256946B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3146007A JP3030729B2 (en) 1991-06-18 1991-06-18 Private branch exchange

Publications (3)

Publication Number Publication Date
GB9212906D0 GB9212906D0 (en) 1992-07-29
GB2256946A GB2256946A (en) 1992-12-23
GB2256946B true GB2256946B (en) 1994-09-07

Family

ID=15397989

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9212906A Expired - Fee Related GB2256946B (en) 1991-06-18 1992-06-18 Motor speed controlling device

Country Status (2)

Country Link
JP (1) JP3030729B2 (en)
GB (1) GB2256946B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3393170B2 (en) * 1996-12-03 2003-04-07 シャープ株式会社 Motor speed control device
JP2962276B2 (en) 1997-05-12 1999-10-12 日本電気株式会社 Session management system and connection management system in ATM connectionless communication network

Also Published As

Publication number Publication date
GB9212906D0 (en) 1992-07-29
GB2256946A (en) 1992-12-23
JPH04369994A (en) 1992-12-22
JP3030729B2 (en) 2000-04-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960618