JPS50110020A - - Google Patents

Info

Publication number
JPS50110020A
JPS50110020A JP50016799A JP1679975A JPS50110020A JP S50110020 A JPS50110020 A JP S50110020A JP 50016799 A JP50016799 A JP 50016799A JP 1679975 A JP1679975 A JP 1679975A JP S50110020 A JPS50110020 A JP S50110020A
Authority
JP
Japan
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.)
Pending
Application number
JP50016799A
Other languages
Japanese (ja)
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 JPS50110020A publication Critical patent/JPS50110020A/ja
Pending 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
    • H02P7/06—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
JP50016799A 1974-02-08 1975-02-08 Pending JPS50110020A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB582474 1974-02-08

Publications (1)

Publication Number Publication Date
JPS50110020A true JPS50110020A (ko) 1975-08-29

Family

ID=9803293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50016799A Pending JPS50110020A (ko) 1974-02-08 1975-02-08

Country Status (3)

Country Link
JP (1) JPS50110020A (ko)
FR (1) FR2260894A1 (ko)
IT (1) IT1029492B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5564649A (en) * 1978-11-08 1980-05-15 Hitachi Denshi Ltd Direct-current motor control circuit of video tape recorder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5564649A (en) * 1978-11-08 1980-05-15 Hitachi Denshi Ltd Direct-current motor control circuit of video tape recorder

Also Published As

Publication number Publication date
FR2260894A1 (en) 1975-09-05
IT1029492B (it) 1979-03-10

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