FR889279A - Device for amplifying small electrical quantities - Google Patents

Device for amplifying small electrical quantities

Info

Publication number
FR889279A
FR889279A FR889279DA FR889279A FR 889279 A FR889279 A FR 889279A FR 889279D A FR889279D A FR 889279DA FR 889279 A FR889279 A FR 889279A
Authority
FR
France
Prior art keywords
small electrical
electrical quantities
amplifying small
amplifying
quantities
Prior art date
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
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.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR889279A publication Critical patent/FR889279A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F9/00—Magnetic amplifiers
    • H03F9/04—Magnetic amplifiers voltage-controlled, i.e. the load current flowing in only one direction through a main coil, e.g. Logan circuits
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/016—Automatic controllers electric details of the transmission means using inductance means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Measuring Magnetic Variables (AREA)
FR889279D 1941-11-07 1942-12-18 Device for amplifying small electrical quantities Expired FR889279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE889279X 1941-11-07

Publications (1)

Publication Number Publication Date
FR889279A true FR889279A (en) 1944-01-05

Family

ID=6834473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889279D Expired FR889279A (en) 1941-11-07 1942-12-18 Device for amplifying small electrical quantities

Country Status (2)

Country Link
DE (1) DE898328C (en)
FR (1) FR889279A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047307B (en) * 1954-10-06 1958-12-24 Optische Anstalt C P Goerz Ges Circuit arrangement based on the compensation principle for measuring small electrical quantities or quantities generating torque
DE1448959B1 (en) * 1964-08-24 1970-03-05 Siemens Ag Contactless device for converting an angle of rotation into an electrical quantity
DE1299431B (en) * 1966-07-14 1969-07-17 Siemens Ag Device for converting an angle of rotation into an electrical quantity
JPS564094B2 (en) * 1974-02-06 1981-01-28

Also Published As

Publication number Publication date
DE898328C (en) 1953-10-22

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