JPS5616684Y2 - - Google Patents

Info

Publication number
JPS5616684Y2
JPS5616684Y2 JP1977049678U JP4967877U JPS5616684Y2 JP S5616684 Y2 JPS5616684 Y2 JP S5616684Y2 JP 1977049678 U JP1977049678 U JP 1977049678U JP 4967877 U JP4967877 U JP 4967877U JP S5616684 Y2 JPS5616684 Y2 JP S5616684Y2
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.)
Expired
Application number
JP1977049678U
Other languages
Japanese (ja)
Other versions
JPS53144311U (enExample
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
Priority to JP1977049678U priority Critical patent/JPS5616684Y2/ja
Priority to US05/897,422 priority patent/US4208622A/en
Publication of JPS53144311U publication Critical patent/JPS53144311U/ja
Application granted granted Critical
Publication of JPS5616684Y2 publication Critical patent/JPS5616684Y2/ja
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
    • H02P7/06—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
    • H02P7/291—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 with on-off control between two set points, e.g. controlling by hysteresis

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
JP1977049678U 1977-04-20 1977-04-20 Expired JPS5616684Y2 (enExample)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1977049678U JPS5616684Y2 (enExample) 1977-04-20 1977-04-20
US05/897,422 US4208622A (en) 1977-04-20 1978-04-18 Motor circuit of a tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977049678U JPS5616684Y2 (enExample) 1977-04-20 1977-04-20

Publications (2)

Publication Number Publication Date
JPS53144311U JPS53144311U (enExample) 1978-11-14
JPS5616684Y2 true JPS5616684Y2 (enExample) 1981-04-17

Family

ID=12837825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977049678U Expired JPS5616684Y2 (enExample) 1977-04-20 1977-04-20

Country Status (2)

Country Link
US (1) US4208622A (enExample)
JP (1) JPS5616684Y2 (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847307A (enExample) * 1971-10-15 1973-07-05
US3863117A (en) * 1973-04-09 1975-01-28 Electronic Associates Plural motor tensioning system for rewinding tape cassettes
US3851235A (en) * 1973-12-26 1974-11-26 Ford Motor Co Bridge circuit for controlling a direct current motor

Also Published As

Publication number Publication date
US4208622A (en) 1980-06-17
JPS53144311U (enExample) 1978-11-14

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