FR1071685A - Method and device for amplifying very low direct currents - Google Patents

Method and device for amplifying very low direct currents

Info

Publication number
FR1071685A
FR1071685A FR1071685DA FR1071685A FR 1071685 A FR1071685 A FR 1071685A FR 1071685D A FR1071685D A FR 1071685DA FR 1071685 A FR1071685 A FR 1071685A
Authority
FR
France
Prior art keywords
amplifying
direct currents
low direct
low
currents
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)
Inventor
Jean Valembois
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.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 Electricite de France SA filed Critical Electricite de France SA
Application granted granted Critical
Publication of FR1071685A publication Critical patent/FR1071685A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G05B11/013—Automatic controllers electric details of the transmission means using discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR1071685D 1952-07-23 1952-07-23 Method and device for amplifying very low direct currents Expired FR1071685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1071685T 1952-07-23

Publications (1)

Publication Number Publication Date
FR1071685A true FR1071685A (en) 1954-09-03

Family

ID=9605277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1071685D Expired FR1071685A (en) 1952-07-23 1952-07-23 Method and device for amplifying very low direct currents

Country Status (1)

Country Link
FR (1) FR1071685A (en)

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