IT958337B - IMPROVEMENT IN THE ROTATION SPEED REGULATING SYSTEMS OF A AXIS PARTICULARLY FOR CLOCK MAKING - Google Patents

IMPROVEMENT IN THE ROTATION SPEED REGULATING SYSTEMS OF A AXIS PARTICULARLY FOR CLOCK MAKING

Info

Publication number
IT958337B
IT958337B IT50842/72A IT5084272A IT958337B IT 958337 B IT958337 B IT 958337B IT 50842/72 A IT50842/72 A IT 50842/72A IT 5084272 A IT5084272 A IT 5084272A IT 958337 B IT958337 B IT 958337B
Authority
IT
Italy
Prior art keywords
improvement
rotation speed
speed regulating
regulating systems
axis particularly
Prior art date
Application number
IT50842/72A
Other languages
Italian (it)
Original Assignee
Ind De Relojerie Sa
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 Ind De Relojerie Sa filed Critical Ind De Relojerie Sa
Application granted granted Critical
Publication of IT958337B publication Critical patent/IT958337B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/12—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using detecting coils using the machine windings as detecting coil
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
    • G04C3/165—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor comprising a mechanical regulating device influencing the electromotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Control Of Electric Motors In General (AREA)
IT50842/72A 1971-06-15 1972-06-12 IMPROVEMENT IN THE ROTATION SPEED REGULATING SYSTEMS OF A AXIS PARTICULARLY FOR CLOCK MAKING IT958337B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES392242A ES392242A1 (en) 1971-06-15 1971-06-15 System for regulating rotary speed of a shaft

Publications (1)

Publication Number Publication Date
IT958337B true IT958337B (en) 1973-10-20

Family

ID=8458582

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50842/72A IT958337B (en) 1971-06-15 1972-06-12 IMPROVEMENT IN THE ROTATION SPEED REGULATING SYSTEMS OF A AXIS PARTICULARLY FOR CLOCK MAKING

Country Status (8)

Country Link
US (1) US3824780A (en)
BR (1) BR7203878D0 (en)
CA (1) CA966896A (en)
DE (1) DE2138252A1 (en)
ES (1) ES392242A1 (en)
FR (1) FR2142480A5 (en)
GB (1) GB1400164A (en)
IT (1) IT958337B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30928E (en) 1977-06-23 1982-05-11 Caterpillar Tractor Co. Engine control
AT369934B (en) * 1979-12-06 1983-02-10 Ife Gmbh BINARY SPEED CONTROL DEVICE FOR AC MOTORS BY MOTOR CURRENT TWO-POINT OPERATION
ES2004090A6 (en) * 1987-02-13 1988-12-01 Remco Sa Control unit for regulation of washing machine motors

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1448342A1 (en) * 1960-03-31 1969-04-10 Reich Robert W Electronic drive principle for watches
US3134220A (en) * 1961-05-16 1964-05-26 Dichl Electric clock
US3225536A (en) * 1962-10-15 1965-12-28 Reich Robert Walter Electric clock
DE1209961B (en) * 1963-02-20 1966-01-27 Junghans Geb Ag Circuit arrangement for the electrically driven oscillator of a time-keeping device
US3451210A (en) * 1966-07-01 1969-06-24 Benrus Corp System for maintaining oscillations in an electric timing mechanism having an oscillatory element
GB1205753A (en) * 1966-09-09 1970-09-16 Smiths Industries Ltd Horological instruments incorporating electrical oscillation generators
US3568430A (en) * 1968-07-11 1971-03-09 Hamilton Watch Co Resistance bridge controlled timekeeping device
US3601975A (en) * 1969-04-23 1971-08-31 Timex Corp Horological movement utilizing a radioactivity detector and source

Also Published As

Publication number Publication date
ES392242A1 (en) 1973-11-16
DE2138252A1 (en) 1972-12-21
BR7203878D0 (en) 1973-05-24
CA966896A (en) 1975-04-29
US3824780A (en) 1974-07-23
GB1400164A (en) 1975-07-16
FR2142480A5 (en) 1973-01-26

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