CA1021859A - Appareil discriminateur de temperature - Google Patents

Appareil discriminateur de temperature

Info

Publication number
CA1021859A
CA1021859A CA214,999A CA214999A CA1021859A CA 1021859 A CA1021859 A CA 1021859A CA 214999 A CA214999 A CA 214999A CA 1021859 A CA1021859 A CA 1021859A
Authority
CA
Canada
Prior art keywords
discrimination apparatus
temperature discrimination
temperature
discrimination
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
CA214,999A
Other languages
English (en)
Other versions
CA214999S (fr
Inventor
Robert S. Meijer
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.)
Multi State Devices Ltd
Original Assignee
Multi State Devices Ltd
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 Multi State Devices Ltd filed Critical Multi State Devices Ltd
Priority to CA214,999A priority Critical patent/CA1021859A/fr
Priority to GB49048/75A priority patent/GB1484827A/en
Priority to DE19752553833 priority patent/DE2553833A1/de
Priority to FR7536765A priority patent/FR2292961A1/fr
Application granted granted Critical
Publication of CA1021859A publication Critical patent/CA1021859A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0202—Switches
    • H05B1/0208—Switches actuated by the expansion or evaporation of a gas or liquid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/005—Circuits arrangements for indicating a predetermined temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)
  • Control Of Resistance Heating (AREA)
CA214,999A 1974-11-29 1974-11-29 Appareil discriminateur de temperature Expired CA1021859A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA214,999A CA1021859A (fr) 1974-11-29 1974-11-29 Appareil discriminateur de temperature
GB49048/75A GB1484827A (en) 1974-11-29 1975-11-28 Temperature discrimination apparatus
DE19752553833 DE2553833A1 (de) 1974-11-29 1975-11-29 Temperatur-messanordnung
FR7536765A FR2292961A1 (fr) 1974-11-29 1975-12-01 Appareil de discrimination de temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA214,999A CA1021859A (fr) 1974-11-29 1974-11-29 Appareil discriminateur de temperature

Publications (1)

Publication Number Publication Date
CA1021859A true CA1021859A (fr) 1977-11-29

Family

ID=4101752

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214,999A Expired CA1021859A (fr) 1974-11-29 1974-11-29 Appareil discriminateur de temperature

Country Status (4)

Country Link
CA (1) CA1021859A (fr)
DE (1) DE2553833A1 (fr)
FR (1) FR2292961A1 (fr)
GB (1) GB1484827A (fr)

Also Published As

Publication number Publication date
DE2553833A1 (de) 1976-06-10
GB1484827A (en) 1977-09-08
FR2292961A1 (fr) 1976-06-25

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