IT988790B - Cipcuito temporizzatore a prova di guasto - Google Patents

Cipcuito temporizzatore a prova di guasto

Info

Publication number
IT988790B
IT988790B IT24809/73A IT2480973A IT988790B IT 988790 B IT988790 B IT 988790B IT 24809/73 A IT24809/73 A IT 24809/73A IT 2480973 A IT2480973 A IT 2480973A IT 988790 B IT988790 B IT 988790B
Authority
IT
Italy
Prior art keywords
cipcuit
failure proof
timer
proof timer
failure
Prior art date
Application number
IT24809/73A
Other languages
English (en)
Original Assignee
Sie Soc It Elettronica
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 Sie Soc It Elettronica filed Critical Sie Soc It Elettronica
Priority to IT24809/73A priority Critical patent/IT988790B/it
Priority to US446144A priority patent/US3873893A/en
Priority to CA195,079A priority patent/CA1006965A/en
Priority to GB2121274A priority patent/GB1470851A/en
Priority to NL7406813A priority patent/NL7406813A/xx
Priority to FR7418695A priority patent/FR2232115B1/fr
Priority to CH722074A priority patent/CH585962A5/xx
Priority to DE19742426318 priority patent/DE2426318A1/de
Priority to BE2053647A priority patent/BE815646A/xx
Priority to ES426742A priority patent/ES426742A1/es
Application granted granted Critical
Publication of IT988790B publication Critical patent/IT988790B/it

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
IT24809/73A 1973-05-30 1973-05-30 Cipcuito temporizzatore a prova di guasto IT988790B (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
IT24809/73A IT988790B (it) 1973-05-30 1973-05-30 Cipcuito temporizzatore a prova di guasto
US446144A US3873893A (en) 1973-05-30 1974-02-27 Fail-safe timing circuit
CA195,079A CA1006965A (en) 1973-05-30 1974-03-15 Fall-safe timing circuit
GB2121274A GB1470851A (en) 1973-05-30 1974-05-14 Fail-safe timing circuit
NL7406813A NL7406813A (it) 1973-05-30 1974-05-21
FR7418695A FR2232115B1 (it) 1973-05-30 1974-05-22
CH722074A CH585962A5 (it) 1973-05-30 1974-05-27
DE19742426318 DE2426318A1 (de) 1973-05-30 1974-05-29 Stoersichere verzoegerungsschaltung
BE2053647A BE815646A (fr) 1973-05-30 1974-05-29 Circuit de retard electronique
ES426742A ES426742A1 (es) 1973-05-30 1974-05-29 Perfeccionamientos en un circuito electronico de tiempo, seguro contra perturbacion.

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
IT988790B true IT988790B (it) 1975-04-30

Family

ID=11214802

Family Applications (1)

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

Country Status (10)

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

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 (en) * 2015-12-22 2017-06-28 ABB Schweiz AG Installation device with a time measurement circuit and method for measuring the past time between a first and a second event with a time measurement circuit

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
CA1006965A (en) 1977-03-15
FR2232115A1 (it) 1974-12-27
GB1470851A (en) 1977-04-21
CH585962A5 (it) 1977-03-15
DE2426318A1 (de) 1974-12-19
US3873893A (en) 1975-03-25
FR2232115B1 (it) 1980-08-14
NL7406813A (it) 1974-12-03
ES426742A1 (es) 1976-07-16
BE815646A (fr) 1974-09-16

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