FR2293697A1 - Circuit de controle d'un parametre autour d'une valeur de reference - Google Patents

Circuit de controle d'un parametre autour d'une valeur de reference

Info

Publication number
FR2293697A1
FR2293697A1 FR7529682A FR7529682A FR2293697A1 FR 2293697 A1 FR2293697 A1 FR 2293697A1 FR 7529682 A FR7529682 A FR 7529682A FR 7529682 A FR7529682 A FR 7529682A FR 2293697 A1 FR2293697 A1 FR 2293697A1
Authority
FR
France
Prior art keywords
control circuit
reference value
parameter around
parameter
around
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.)
Granted
Application number
FR7529682A
Other languages
English (en)
Other versions
FR2293697B1 (fr
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of FR2293697A1 publication Critical patent/FR2293697A1/fr
Application granted granted Critical
Publication of FR2293697B1 publication Critical patent/FR2293697B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00308—Overvoltage protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • 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
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
FR7529682A 1974-12-02 1975-09-26 Circuit de controle d'un parametre autour d'une valeur de reference Granted FR2293697A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US528754A US3927399A (en) 1974-12-02 1974-12-02 Bi-level condition monitor using reverse-biased control diodes

Publications (2)

Publication Number Publication Date
FR2293697A1 true FR2293697A1 (fr) 1976-07-02
FR2293697B1 FR2293697B1 (fr) 1980-01-04

Family

ID=24107039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7529682A Granted FR2293697A1 (fr) 1974-12-02 1975-09-26 Circuit de controle d'un parametre autour d'une valeur de reference

Country Status (7)

Country Link
US (1) US3927399A (fr)
JP (1) JPS5183569A (fr)
BE (1) BE834389A (fr)
BR (1) BR7506640A (fr)
CA (1) CA1041627A (fr)
DE (1) DE2547495A1 (fr)
FR (1) FR2293697A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024495A (en) * 1975-12-29 1977-05-17 Brien Frank J O Remote temperature change warning system
US4019120A (en) * 1976-04-02 1977-04-19 General Motors Corporation Fault indicator for motor vehicle battery charging systems
DE2707569C3 (de) * 1977-02-22 1981-02-05 Auergesellschaft Gmbh, 1000 Berlin Gasmeßgerät
US4206448A (en) * 1977-12-19 1980-06-03 Davis Curtis H Multiple mode sound generator
US4306270A (en) * 1978-09-05 1981-12-15 Nartron Corporation Electrical system monitoring means
US4307389A (en) * 1980-04-25 1981-12-22 Ford Motor Company Decoding circuit
US4345247A (en) * 1980-09-29 1982-08-17 Thornton William E Display system for steady state waves
US4488149A (en) * 1981-02-26 1984-12-11 Givens Jr William A Electronic display having segments wherein each segment is capable of selectively illuminating two colors
US4583086A (en) * 1982-04-08 1986-04-15 Remote Sensors, Inc. Circuit for monitoring the operating condition of an electric load
US5304919A (en) * 1992-06-12 1994-04-19 The United States Of America As Represented By The Department Of Energy Electronic constant current and current pulse signal generator for nuclear instrumentation testing
DE4241975C1 (de) * 1992-12-12 1994-04-21 Braun Ag Schaltungsanordnung zur Anzeige des Ladezustands einer Batterie
US5805059A (en) * 1997-06-26 1998-09-08 Tea; Roger Vehicle overheat voice indicator
US6940416B2 (en) * 2002-07-30 2005-09-06 Varon Lighting, Inc. Low voltage testing and illuminating device
US7154405B2 (en) * 2004-08-16 2006-12-26 Gary Oreman Use indicator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956268A (en) * 1958-04-28 1960-10-11 Ryan Aeronautical Co Voltage deviation detector
US3166678A (en) * 1960-03-07 1965-01-19 Avco Corp Signal-sensitive gating circuit controlled by a signal-operated switch having different threshold levels for turn off and turn on
US3317794A (en) * 1964-04-13 1967-05-02 Gen Electric Overcurrent protective means
US3457568A (en) * 1966-06-27 1969-07-29 Joseph A Amatruda Shower receptors and the like
DE1562041A1 (de) * 1967-01-27 1970-02-26 Hauser Dr Raimund elektrischer Maximumfinder mit Differenzverstaerker
US3503062A (en) * 1965-11-12 1970-03-24 Bendix Corp Direct current power supply voltage level indicator
US3801866A (en) * 1972-12-11 1974-04-02 P Schmidgall Flashing novelty device
US3864608A (en) * 1973-05-21 1975-02-04 Mkc Electronics Corp Combination monostable and astable inductor driver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3184729A (en) * 1962-01-26 1965-05-18 David D Freedman Signal deviation detector
US3284788A (en) * 1964-02-17 1966-11-08 Elastic Stop Nut Corp Flow rate monitoring systems

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956268A (en) * 1958-04-28 1960-10-11 Ryan Aeronautical Co Voltage deviation detector
US3166678A (en) * 1960-03-07 1965-01-19 Avco Corp Signal-sensitive gating circuit controlled by a signal-operated switch having different threshold levels for turn off and turn on
US3317794A (en) * 1964-04-13 1967-05-02 Gen Electric Overcurrent protective means
US3503062A (en) * 1965-11-12 1970-03-24 Bendix Corp Direct current power supply voltage level indicator
US3457568A (en) * 1966-06-27 1969-07-29 Joseph A Amatruda Shower receptors and the like
DE1562041A1 (de) * 1967-01-27 1970-02-26 Hauser Dr Raimund elektrischer Maximumfinder mit Differenzverstaerker
US3801866A (en) * 1972-12-11 1974-04-02 P Schmidgall Flashing novelty device
US3864608A (en) * 1973-05-21 1975-02-04 Mkc Electronics Corp Combination monostable and astable inductor driver

Also Published As

Publication number Publication date
US3927399A (en) 1975-12-16
DE2547495A1 (de) 1976-08-12
BE834389A (fr) 1976-04-12
FR2293697B1 (fr) 1980-01-04
BR7506640A (pt) 1976-08-17
JPS5183569A (fr) 1976-07-22
CA1041627A (fr) 1978-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse