FR1541069A - Apparatus for checking variations in electrical voltage - Google Patents

Apparatus for checking variations in electrical voltage

Info

Publication number
FR1541069A
FR1541069A FR118444A FR118444A FR1541069A FR 1541069 A FR1541069 A FR 1541069A FR 118444 A FR118444 A FR 118444A FR 118444 A FR118444 A FR 118444A FR 1541069 A FR1541069 A FR 1541069A
Authority
FR
France
Prior art keywords
electrical voltage
checking variations
checking
variations
voltage
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
FR118444A
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.)
VARIATEURS SOC IND DES
Original Assignee
VARIATEURS SOC IND DES
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 VARIATEURS SOC IND DES filed Critical VARIATEURS SOC IND DES
Priority to FR118444A priority Critical patent/FR1541069A/en
Application granted granted Critical
Publication of FR1541069A publication Critical patent/FR1541069A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16547—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies voltage or current in AC supplies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR118444A 1967-08-21 1967-08-21 Apparatus for checking variations in electrical voltage Expired FR1541069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR118444A FR1541069A (en) 1967-08-21 1967-08-21 Apparatus for checking variations in electrical voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR118444A FR1541069A (en) 1967-08-21 1967-08-21 Apparatus for checking variations in electrical voltage

Publications (1)

Publication Number Publication Date
FR1541069A true FR1541069A (en) 1968-10-04

Family

ID=8637131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR118444A Expired FR1541069A (en) 1967-08-21 1967-08-21 Apparatus for checking variations in electrical voltage

Country Status (1)

Country Link
FR (1) FR1541069A (en)

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