GB1450927A - Thermostat circuits - Google Patents

Thermostat circuits

Info

Publication number
GB1450927A
GB1450927A GB5976073A GB5976073A GB1450927A GB 1450927 A GB1450927 A GB 1450927A GB 5976073 A GB5976073 A GB 5976073A GB 5976073 A GB5976073 A GB 5976073A GB 1450927 A GB1450927 A GB 1450927A
Authority
GB
United Kingdom
Prior art keywords
triac
resistor
circuit
thermostat
ntc resistor
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
GB5976073A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1450927A publication Critical patent/GB1450927A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)
GB5976073A 1972-12-29 1973-12-27 Thermostat circuits Expired GB1450927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO4830/72A NO131745C (https=) 1972-12-29 1972-12-29

Publications (1)

Publication Number Publication Date
GB1450927A true GB1450927A (en) 1976-09-29

Family

ID=19880645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5976073A Expired GB1450927A (en) 1972-12-29 1973-12-27 Thermostat circuits

Country Status (3)

Country Link
GB (1) GB1450927A (https=)
NO (1) NO131745C (https=)
SE (1) SE395325B (https=)

Also Published As

Publication number Publication date
NO131745C (https=) 1975-07-30
NO131745B (https=) 1975-04-07
SE395325B (sv) 1977-08-08

Similar Documents

Publication Publication Date Title
US3136877A (en) Electronic thermostatic system
US3817453A (en) Solid state thermostat with droop compensation
US3364338A (en) Oven temperature control
US3275802A (en) Pulsed heating system
US3215818A (en) Temperature control electric circuit
US3939687A (en) Temperature calibration system
US3896289A (en) Aquarium water heater
KR830008655A (ko) 보 온 솥
US3590365A (en) Temperature control apparatus
US3600650A (en) Protected semiconductor device having sensor thermally coupled to electrode
US3594546A (en) Air temperature control apparatus
US3651308A (en) Automatic electric cooker
US3564205A (en) Temperature control circuits
GB1271125A (en) Temperature linearization circuit
US2973420A (en) Oven
GB1038759A (en) Improvements in and relating to heating circuits for electrically heated blankets
GB1450927A (en) Thermostat circuits
US3419214A (en) Temperature regulating system
US3632985A (en) Thermocouple bridge temperature control
GB1161830A (en) Improvements in and relating to Electric Heating Devices.
US3040156A (en) Control circuit
US3104385A (en) Temperature sensitive bridge circuits
SE8003374L (sv) Anordning for temperaturreglering vid elektriska vermeelement
US3544767A (en) Heating control circuit with scr-unijunction transistor combination
US2926297A (en) Temperature compensating means for a generator

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee