DK32779A - Elektrisk detektor sikkerheds og overvaagningskredsloeb og dets anvendelse i et alarmapparat - Google Patents

Elektrisk detektor sikkerheds og overvaagningskredsloeb og dets anvendelse i et alarmapparat

Info

Publication number
DK32779A
DK32779A DK32779A DK32779A DK32779A DK 32779 A DK32779 A DK 32779A DK 32779 A DK32779 A DK 32779A DK 32779 A DK32779 A DK 32779A DK 32779 A DK32779 A DK 32779A
Authority
DK
Denmark
Prior art keywords
alarm device
monitoring circuit
electrical detector
detector security
security
Prior art date
Application number
DK32779A
Other languages
Danish (da)
English (en)
Inventor
A Parrier
H Parrkier
J Parrier
Original Assignee
A Parrier
H Parrkier
J Parrier
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 A Parrier, H Parrkier, J Parrier filed Critical A Parrier
Publication of DK32779A publication Critical patent/DK32779A/da

Links

Classifications

    • 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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/162—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 fault current to earth, frame or mass for AC systems
    • H02H3/165—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 fault current to earth, frame or mass for AC systems for three-phase systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Protection Circuit Devices (AREA)
DK32779A 1978-01-26 1979-01-25 Elektrisk detektor sikkerheds og overvaagningskredsloeb og dets anvendelse i et alarmapparat DK32779A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7802975A FR2415894B2 (fr) 1978-01-26 1978-01-26 Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine

Publications (1)

Publication Number Publication Date
DK32779A true DK32779A (da) 1979-07-27

Family

ID=9204154

Family Applications (1)

Application Number Title Priority Date Filing Date
DK32779A DK32779A (da) 1978-01-26 1979-01-25 Elektrisk detektor sikkerheds og overvaagningskredsloeb og dets anvendelse i et alarmapparat

Country Status (6)

Country Link
BE (1) BE873751A (it)
DK (1) DK32779A (it)
FR (1) FR2415894B2 (it)
IT (1) IT1109789B (it)
NL (1) NL7900594A (it)
SE (1) SE7900663L (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468130A1 (fr) * 1979-10-23 1981-04-30 Sfec Dispositif de securite pour la detection d'un defaut d'isolement electrique sur une machine alimentee avec un neutre non relie a la masse machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262016A (en) * 1962-08-21 1966-07-19 United Aircraft Corp Load protector
BE638540A (it) * 1962-10-13
AT308225B (de) * 1968-11-15 1973-06-25 Felten & Guilleaume Schaltanl Schutzschaltung für an geerdete Netze angeschlossene ortsveränderliche Verbrauchsgeräte
US3699391A (en) * 1971-09-02 1972-10-17 Us Interior Reactor fault relay
US3959695A (en) * 1975-04-29 1976-05-25 Westinghouse Electric Corporation Circuit interrupter with ground fault trip control
FR2374762A2 (fr) * 1976-12-14 1978-07-13 Parrier Andre Dispositif de securite pour la detection d'un defaut d'isolation electrique entre deux fils du circuit d'alimentation d'une machine

Also Published As

Publication number Publication date
FR2415894A2 (fr) 1979-08-24
BE873751A (fr) 1979-05-16
IT1109789B (it) 1985-12-23
SE7900663L (sv) 1979-07-27
IT7919652A0 (it) 1979-01-26
NL7900594A (nl) 1979-07-30
FR2415894B2 (fr) 1986-01-17

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
AHS Application shelved for other reasons than non-payment