CH199074A4 - - Google Patents

Info

Publication number
CH199074A4
CH199074A4 CH199074D CH199074D CH199074A4 CH 199074 A4 CH199074 A4 CH 199074A4 CH 199074 D CH199074 D CH 199074D CH 199074 D CH199074 D CH 199074D CH 199074 A4 CH199074 A4 CH 199074A4
Authority
CH
Switzerland
Application number
CH199074D
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 CH199074A4 publication Critical patent/CH199074A4/xx

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
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
    • H02P7/2913—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
    • G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • 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
    • H02P23/22—Controlling the speed digitally using a reference oscillator, a speed proportional pulse rate feedback and a digital comparator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/912—Pulse or frequency counter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)
  • Control Of Electric Motors In General (AREA)
CH199074D 1974-02-13 1974-02-13 CH199074A4 ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH199074A CH588111B5 ( ) 1974-02-13 1974-02-13

Publications (1)

Publication Number Publication Date
CH199074A4 true CH199074A4 ( ) 1976-11-30

Family

ID=4223327

Family Applications (2)

Application Number Title Priority Date Filing Date
CH199074D CH199074A4 ( ) 1974-02-13 1974-02-13
CH199074A CH588111B5 ( ) 1974-02-13 1974-02-13

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH199074A CH588111B5 ( ) 1974-02-13 1974-02-13

Country Status (6)

Country Link
US (1) US4007408A ( )
JP (1) JPS50113716A ( )
CH (2) CH199074A4 ( )
DE (1) DE2504478A1 ( )
FR (1) FR2260895B1 ( )
GB (1) GB1489465A ( )

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001113A1 (en) * 1978-11-20 1980-05-29 Braun Ag Time-keeper in particular quartz controlled clock
DE2937838C2 (de) * 1979-09-19 1986-08-28 Braun Ag, 6000 Frankfurt Verfahren und Anordnung zur Regelung von Drehzahl und Phasenlage bei Synchronmotoren
US4573175A (en) * 1983-09-12 1986-02-25 Case Communications Inc. Variable digital frequency generator with value storage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3096483A (en) * 1961-04-06 1963-07-02 Bendix Corp Frequency divider system with preset means to select countdown cycle
GB1274498A (en) * 1968-08-19 1972-05-17 Teijin Ltd Automatic control and automatic controller
US3694716A (en) * 1970-08-14 1972-09-26 Singer General Precision Gyromotor synchronization system
US3646417A (en) * 1971-03-25 1972-02-29 Ibm Digital speed servomechanism

Also Published As

Publication number Publication date
DE2504478A1 (de) 1975-08-14
JPS50113716A ( ) 1975-09-06
US4007408A (en) 1977-02-08
GB1489465A (en) 1977-10-19
FR2260895A1 ( ) 1975-09-05
FR2260895B1 ( ) 1977-04-15
CH588111B5 ( ) 1977-05-31

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