FR2146949B1 - - Google Patents

Info

Publication number
FR2146949B1
FR2146949B1 FR7127563A FR7127563A FR2146949B1 FR 2146949 B1 FR2146949 B1 FR 2146949B1 FR 7127563 A FR7127563 A FR 7127563A FR 7127563 A FR7127563 A FR 7127563A FR 2146949 B1 FR2146949 B1 FR 2146949B1
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
FR7127563A
Other languages
French (fr)
Other versions
FR2146949A1 (https=
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT 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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR7127563A priority Critical patent/FR2146949B1/fr
Publication of FR2146949A1 publication Critical patent/FR2146949A1/fr
Application granted granted Critical
Publication of FR2146949B1 publication Critical patent/FR2146949B1/fr
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
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
    • H02H3/202—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage for DC systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR7127563A 1971-07-28 1971-07-28 Expired FR2146949B1 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7127563A FR2146949B1 (https=) 1971-07-28 1971-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7127563A FR2146949B1 (https=) 1971-07-28 1971-07-28

Publications (2)

Publication Number Publication Date
FR2146949A1 FR2146949A1 (https=) 1973-03-09
FR2146949B1 true FR2146949B1 (https=) 1975-02-21

Family

ID=9081028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7127563A Expired FR2146949B1 (https=) 1971-07-28 1971-07-28

Country Status (1)

Country Link
FR (1) FR2146949B1 (https=)

Also Published As

Publication number Publication date
FR2146949A1 (https=) 1973-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse