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.)
Monsanto Chemical Co
Original Assignee
Monsanto Chemical 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
Priority claimed from US154793Aexternal-prioritypatent/US3149224A/en
Application filed by Monsanto Chemical CofiledCriticalMonsanto Chemical Co
Application grantedgrantedCritical
Publication of FR1340472ApublicationCriticalpatent/FR1340472A/en
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
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
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
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Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)
Control Of Temperature (AREA)
Control Of Resistance Heating (AREA)
FR916240A1961-11-241962-11-22 Temperature control circuit supplied by a heating elementExpiredFR1340472A (en)
Circuits for stabilizing the operating point of several transistors against variations in temperature and supply voltage by means of a temperature-dependent element.