CA1006965A - Fall-safe timing circuit - Google Patents

Fall-safe timing circuit

Info

Publication number
CA1006965A
CA1006965A CA195,079A CA195079A CA1006965A CA 1006965 A CA1006965 A CA 1006965A CA 195079 A CA195079 A CA 195079A CA 1006965 A CA1006965 A CA 1006965A
Authority
CA
Canada
Prior art keywords
fall
timing circuit
safe timing
safe
circuit
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
CA195,079A
Other languages
English (en)
Inventor
Gianni Bianchini
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.)
ITALIANA ELETTRONICA SpA Soc
Original Assignee
ITALIANA ELETTRONICA SpA Soc
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 ITALIANA ELETTRONICA SpA Soc filed Critical ITALIANA ELETTRONICA SpA Soc
Application granted granted Critical
Publication of CA1006965A publication Critical patent/CA1006965A/en
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
CA195,079A 1973-05-30 1974-03-15 Fall-safe timing circuit Expired CA1006965A (en)

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
CA1006965A true CA1006965A (en) 1977-03-15

Family

ID=11214802

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,079A Expired CA1006965A (en) 1973-05-30 1974-03-15 Fall-safe timing circuit

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
ES426742A1 (es) 1976-07-16
CH585962A5 (fr) 1977-03-15
NL7406813A (fr) 1974-12-03
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

Similar Documents

Publication Publication Date Title
CA1016244A (en) Switching circuit
CA1004778A (en) Integrated circuit
CA1006919A (en) Oscillator circuit
CA977981A (en) Solid state electronic wristwatch
CA1001712A (en) Electronic watch
CA999934A (en) Pulse train modification circuit
CA993526A (en) Clock distribution circuit
AU472276B2 (en) Camparator circuitry
CA1016240A (fr) Appareil a circuits logiques de commande
AU474588B2 (en) Substituted pyrrolidinemethanols
CA1007256A (en) Cam
CA1006981A (en) Decoder circuit
CA1006965A (en) Fall-safe timing circuit
GB1438263A (en) Linematching circuit
AU501259B2 (en) Timing circuit
CA1020638A (fr) Circuit de commutation
CA1025525A (fr) Circuit de commutation
CA1008935A (en) Sampling circuit
CA1017013A (en) Solid state timing circuit
CA998745A (en) Sampling circuit
CA1006995A (en) Hold bridge circuit
CA1031042A (fr) Circuit de commutation
CA1025956A (fr) Montage de circuit a securite anti-pannes
CA1026453A (fr) Circuit gamma
CA1013438A (en) Bistable circuit arrangement