ES426742A1 - Perfeccionamientos en un circuito electronico de tiempo, seguro contra perturbacion. - Google Patents

Perfeccionamientos en un circuito electronico de tiempo, seguro contra perturbacion.

Info

Publication number
ES426742A1
ES426742A1 ES426742A ES426742A ES426742A1 ES 426742 A1 ES426742 A1 ES 426742A1 ES 426742 A ES426742 A ES 426742A ES 426742 A ES426742 A ES 426742A ES 426742 A1 ES426742 A1 ES 426742A1
Authority
ES
Spain
Prior art keywords
fail
timing circuit
circuit
safe timing
storage means
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
ES426742A
Other languages
English (en)
Spanish (es)
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.)
ELETTRONICA SpA S I E SOC IT
Original Assignee
ELETTRONICA SpA S I E SOC IT
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 ELETTRONICA SpA S I E SOC IT filed Critical ELETTRONICA SpA S I E SOC IT
Publication of ES426742A1 publication Critical patent/ES426742A1/es
Expired legal-status Critical Current

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
    • H02H3/02—Details
    • H02H3/027—Details with automatic disconnection after a predetermined time

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Electronic Switches (AREA)
  • Relay Circuits (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
ES426742A 1973-05-30 1974-05-29 Perfeccionamientos en un circuito electronico de tiempo, seguro contra perturbacion. Expired ES426742A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24809/73A IT988790B (it) 1973-05-30 1973-05-30 Cipcuito temporizzatore a prova di guasto

Publications (1)

Publication Number Publication Date
ES426742A1 true ES426742A1 (es) 1976-07-16

Family

ID=11214802

Family Applications (1)

Application Number Title Priority Date Filing Date
ES426742A Expired ES426742A1 (es) 1973-05-30 1974-05-29 Perfeccionamientos en un circuito electronico de tiempo, seguro contra perturbacion.

Country Status (10)

Country Link
US (1) US3873893A (fr)
BE (1) BE815646A (fr)
CA (1) CA1006965A (fr)
CH (1) CH585962A5 (fr)
DE (1) DE2426318A1 (fr)
ES (1) ES426742A1 (fr)
FR (1) FR2232115B1 (fr)
GB (1) GB1470851A (fr)
IT (1) IT988790B (fr)
NL (1) NL7406813A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059845A (en) * 1976-05-14 1977-11-22 Westinghouse Air Brake Company Fail-safe time delay circuit
US4150306A (en) * 1976-07-16 1979-04-17 Siemens Aktiengesellschaft Blocking converter for flash equipment
US4044272A (en) * 1976-08-12 1977-08-23 Westinghouse Air Brake Company Fail-safe electronic time delay circuit
DE3479842D1 (en) * 1983-03-19 1989-10-26 Vaillant Joh Gmbh & Co Time switch
US6719388B2 (en) * 2002-01-16 2004-04-13 Xerox Corporation Fail-safe circuit for dynamic smartpower integrated circuits
EP3185390A1 (fr) * 2015-12-22 2017-06-28 ABB Schweiz AG Dispositif d'installation ayant un circuit de mesure de temps et un procédé de mesure de du temps écoulé entre un premier et un second événement au moyen d'un circuit de mesure de temps

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496389A (en) * 1967-01-25 1970-02-17 Motorola Inc Timing circuit with field effect transistor
US3573555A (en) * 1969-02-10 1971-04-06 Ite Imperial Corp Time delay extender for static relays

Also Published As

Publication number Publication date
IT988790B (it) 1975-04-30
CH585962A5 (fr) 1977-03-15
NL7406813A (fr) 1974-12-03
CA1006965A (en) 1977-03-15
DE2426318A1 (de) 1974-12-19
BE815646A (fr) 1974-09-16
US3873893A (en) 1975-03-25
FR2232115A1 (fr) 1974-12-27
FR2232115B1 (fr) 1980-08-14
GB1470851A (en) 1977-04-21

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