FR2178518A5 - - Google Patents

Info

Publication number
FR2178518A5
FR2178518A5 FR7235894A FR7235894A FR2178518A5 FR 2178518 A5 FR2178518 A5 FR 2178518A5 FR 7235894 A FR7235894 A FR 7235894A FR 7235894 A FR7235894 A FR 7235894A FR 2178518 A5 FR2178518 A5 FR 2178518A5
Authority
FR
France
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
FR7235894A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BENCINI SpA
Original Assignee
BENCINI SpA
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 BENCINI SpA filed Critical BENCINI SpA
Application granted granted Critical
Publication of FR2178518A5 publication Critical patent/FR2178518A5/fr
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
    • H02P7/288—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 variable impedance
    • H02P7/2885—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 variable impedance whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
FR7235894A 1972-03-25 1972-10-05 Expired FR2178518A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2237672A IT950751B (it) 1972-03-25 1972-03-25 Circuito elettronico a transistore di potenza per la tratura e varia zione lineare di velocita a coppia costante di motore a collettore par ticolarmente per cineproiettori

Publications (1)

Publication Number Publication Date
FR2178518A5 true FR2178518A5 (ja) 1973-11-09

Family

ID=11195424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7235894A Expired FR2178518A5 (ja) 1972-03-25 1972-10-05

Country Status (6)

Country Link
JP (1) JPS4916429A (ja)
BE (1) BE789997A (ja)
DE (1) DE2248378A1 (ja)
FR (1) FR2178518A5 (ja)
IT (1) IT950751B (ja)
NL (1) NL7214375A (ja)

Also Published As

Publication number Publication date
BE789997A (fr) 1973-02-01
DE2248378A1 (de) 1973-09-27
NL7214375A (ja) 1973-09-27
IT950751B (it) 1973-06-20
JPS4916429A (ja) 1974-02-13

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Legal Events

Date Code Title Description
ST Notification of lapse