CA1031051A - Electronic security circuit - Google Patents

Electronic security circuit

Info

Publication number
CA1031051A
CA1031051A CA216,060A CA216060A CA1031051A CA 1031051 A CA1031051 A CA 1031051A CA 216060 A CA216060 A CA 216060A CA 1031051 A CA1031051 A CA 1031051A
Authority
CA
Canada
Prior art keywords
circuit
des
entrée
bobine
est
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
CA216,060A
Other languages
English (en)
French (fr)
Other versions
CA216060S (en
Inventor
Regis Lardennois
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.)
Engins Matra SA
Original Assignee
Engins Matra SA
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 Engins Matra SA filed Critical Engins Matra SA
Application granted granted Critical
Publication of CA1031051A publication Critical patent/CA1031051A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • 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
    • H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electronic Switches (AREA)
  • Pulse Circuits (AREA)
  • Protection Of Static Devices (AREA)
  • Burglar Alarm Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
CA216,060A 1973-12-14 1974-12-16 Electronic security circuit Expired CA1031051A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7344907A FR2254793B1 (it) 1973-12-14 1973-12-14

Publications (1)

Publication Number Publication Date
CA1031051A true CA1031051A (en) 1978-05-09

Family

ID=9129263

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,060A Expired CA1031051A (en) 1973-12-14 1974-12-16 Electronic security circuit

Country Status (9)

Country Link
US (1) US3999104A (it)
JP (1) JPS50106150A (it)
BE (1) BE823068A (it)
CA (1) CA1031051A (it)
CH (1) CH589300A5 (it)
DE (1) DE2459068A1 (it)
FR (1) FR2254793B1 (it)
GB (1) GB1497059A (it)
IT (1) IT1031044B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3462073D1 (en) * 1983-06-22 1987-02-19 Bbc Brown Boveri & Cie Device for detecting a short circuit in the winding of the rotor of an electric machine
US4661722A (en) * 1984-09-17 1987-04-28 American Standard Inc. Fail-safe pulse coincidence detector
GB2166918B (en) * 1984-11-13 1988-09-14 Westinghouse Brake & Signal A circuit arrangement for providing in a fail-safe manner an alternating output signal to a load
US4845384A (en) * 1988-03-16 1989-07-04 Westinghouse Electric Corp. Dynamic logic units
JP2861680B2 (ja) * 1992-10-13 1999-02-24 株式会社日立製作所 電気自動車用故障検出法及びそれを用いたフェールセイフ制御方法
US6320731B1 (en) 2000-05-24 2001-11-20 Electric Boat Corporation Fault tolerant motor drive arrangement with independent phase connections and monitoring system
GB201620837D0 (en) * 2016-12-07 2017-01-18 Trw Ltd A Motor drive and control circuit for electric power steering

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894180A (en) * 1955-10-20 1959-07-07 Robert J Price Transistor-saturable reactor relay with over-frequency cutout
US3182229A (en) * 1961-04-14 1965-05-04 Sperry Rand Corp Relay actuating saturable inductor
US3214601A (en) * 1961-08-16 1965-10-26 Ibm Protective circuit
US3229112A (en) * 1961-12-19 1966-01-11 Ericsson Telefon Ab L M Arrangement for controlling a direct voltage source
US3806792A (en) * 1973-07-16 1974-04-23 Bell Telephone Labor Inc Parallel inverter with saturable reactor current control

Also Published As

Publication number Publication date
FR2254793A1 (it) 1975-07-11
JPS50106150A (it) 1975-08-21
GB1497059A (en) 1978-01-05
DE2459068A1 (de) 1975-06-26
CH589300A5 (it) 1977-06-30
IT1031044B (it) 1979-04-30
FR2254793B1 (it) 1978-11-10
BE823068A (fr) 1975-04-01
US3999104A (en) 1976-12-21

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