GB1232274A - - Google Patents

Info

Publication number
GB1232274A
GB1232274A GB1232274DA GB1232274A GB 1232274 A GB1232274 A GB 1232274A GB 1232274D A GB1232274D A GB 1232274DA GB 1232274 A GB1232274 A GB 1232274A
Authority
GB
United Kingdom
Prior art keywords
coils
travel
movement
coil
machine tool
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
Other languages
English (en)
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 filed Critical
Publication of GB1232274A publication Critical patent/GB1232274A/en
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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Jigs For Machine Tools (AREA)
GB1232274D 1967-08-18 1968-05-14 Expired GB1232274A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US04/661,571 US3949288A (en) 1967-08-18 1967-08-18 Movement control

Publications (1)

Publication Number Publication Date
GB1232274A true GB1232274A (enExample) 1971-05-19

Family

ID=24654160

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232274D Expired GB1232274A (enExample) 1967-08-18 1968-05-14

Country Status (3)

Country Link
US (1) US3949288A (enExample)
GB (1) GB1232274A (enExample)
LU (1) LU56728A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947090A (en) * 1989-06-22 1990-08-07 Electro-Matic Products Co. Control for reciprocating part in a machine tool

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674706A (en) * 1950-06-10 1954-04-06 Fosdick Machine Tool Co Automatic traverse and positioning apparatus for machine tools
GB702226A (en) * 1951-05-02 1954-01-13 Victoria Machine Tool Company Improvements in or relating to electric circuit controlling apparatus particularly for effecting electric cycles of movement of the work tables of machine tools
US2714906A (en) * 1951-11-26 1955-08-09 Mattison Machine Works Adjustable gaging device for saws
US2776396A (en) * 1953-10-19 1957-01-01 Honeywell Regulator Co Sector scan control servo system
US2794162A (en) * 1954-11-17 1957-05-28 Robert J Lifsey Television antenna rotating servo system
US3045165A (en) * 1957-01-30 1962-07-17 Robert L Littwin Electrical control means
US3213342A (en) * 1962-05-23 1965-10-19 Robert L Littwin Automatic motor reversal controlled by variable transformer means

Also Published As

Publication number Publication date
LU56728A1 (enExample) 1968-11-21
US3949288A (en) 1976-04-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee