FR2179151B1 - - Google Patents

Info

Publication number
FR2179151B1
FR2179151B1 FR7312266A FR7312266A FR2179151B1 FR 2179151 B1 FR2179151 B1 FR 2179151B1 FR 7312266 A FR7312266 A FR 7312266A FR 7312266 A FR7312266 A FR 7312266A FR 2179151 B1 FR2179151 B1 FR 2179151B1
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
FR7312266A
Other versions
FR2179151A1 (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.)
Schneider Electric Systems USA Inc
Original Assignee
Foxboro Co
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 Foxboro Co filed Critical Foxboro Co
Publication of FR2179151A1 publication Critical patent/FR2179151A1/fr
Application granted granted Critical
Publication of FR2179151B1 publication Critical patent/FR2179151B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits
FR7312266A 1972-04-06 1973-04-05 Expired FR2179151B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24154572A 1972-04-06 1972-04-06

Publications (2)

Publication Number Publication Date
FR2179151A1 FR2179151A1 (fr) 1973-11-16
FR2179151B1 true FR2179151B1 (fr) 1977-08-05

Family

ID=22911132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7312266A Expired FR2179151B1 (fr) 1972-04-06 1973-04-05

Country Status (7)

Country Link
JP (1) JPS4914881A (fr)
CA (1) CA983569A (fr)
DE (1) DE2316039C2 (fr)
FR (1) FR2179151B1 (fr)
GB (1) GB1412036A (fr)
IT (1) IT982957B (fr)
NL (1) NL7304743A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2359532A1 (fr) * 1976-07-20 1978-02-17 Cit Alcatel Dispositif de limitation des variations de potentiel des bornes d'une charge alimentee par une source de courant continu a masse flottante
SE414357B (sv) * 1978-08-17 1980-07-21 Asea Ab Overspenningsskydd for skydd av halvledarkomponenter av lageffekttyp
US4807081A (en) * 1986-09-05 1989-02-21 Raychem Limited Circuit protection arrangement
US4954923A (en) * 1988-08-19 1990-09-04 Cooper Industries, Inc. Intrinsic safety module interface
DE3832068A1 (de) * 1988-09-21 1990-03-22 Stahl R Schaltgeraete Gmbh Explosionsgeschuetzte elektrische sicherheitsbarriere
DE3906621C2 (de) * 1989-03-02 1995-05-04 Hemscheidt Maschf Hermann Eigensichere Stromversorgungseinheit
DE4033313A1 (de) * 1989-10-19 1991-06-13 Drexelbrook Controls Eigensicherheitssystem
WO2016141974A1 (fr) * 2015-03-10 2016-09-15 Hewlett-Packard Development Company, L.P. Circuit de protection de sécurité
US10942499B2 (en) * 2017-08-16 2021-03-09 Honeywell International Inc. Intrinsic safety (IS) barrier with associated energy limiting apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1133750A (en) * 1966-12-02 1968-11-13 Foxboro Yoxall Ltd Electrical barrier device
US3631264A (en) * 1970-02-11 1971-12-28 Sybron Corp Intrinsically safe electrical barrier system and improvements therein

Also Published As

Publication number Publication date
IT982957B (it) 1974-10-21
GB1412036A (en) 1975-10-29
DE2316039C2 (de) 1984-01-26
DE2316039A1 (de) 1973-10-18
JPS4914881A (fr) 1974-02-08
CA983569A (en) 1976-02-10
AU5251773A (en) 1974-08-22
FR2179151A1 (fr) 1973-11-16
NL7304743A (fr) 1973-10-09

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Legal Events

Date Code Title Description
ST Notification of lapse