Method for controlling a fluid temperature and device for implementing the method
DE3313087A1
Electronic time-piece
DE3310853A1
Electronic timer
DE3310402A1
Method for digital serial selection and control of one of a multiplicity of receivers, particularly regulators or valves of a heating, ventilation or air conditioning system and device for carrying out this method
DE3309302A1
Electric circuit for generating a multi-cycle-controlled pulse voltage from a DC voltage
DE3307269A1
Process and apparatus for the operation of a heat pump
DE3301425A1
Control device for a heat pump
DE3024945A1
Switching control of regulator - uses bridge circuit with switching transistors to control operation
DE3010629A1
ARRANGEMENT FOR OPERATING AN AC VOLTAGE SYNCHRONOUS ELECTRIC MOTOR
GB2031237A
Electrical circuitry for feeding an a.c. motor
DE2838716A1
Supply circuit for sync. motor - has PTC resistor in series with motor to handle supplies of different voltages
CH623970A5
Control device for monitoring the charge controller of an off-peak storage heater
CH610113A5
Measuring bridge
DE2632685A1
Control device for charging storage heater - delivers pulse width modulated signal controlling amplifier for display unit
DE2631602B1
Heat exchanger calorimeter in fluid system - uses binary frequency divider circuit with selection of measurement accuracy
DE2604434B1
Two arm measuring bridge circuit - gives independent adjustment of initial and final values of electrical measuring range by 2 potentiometers
DE2452529A1
MEASURING BRIDGE
DE2434560A1
Assembling, soldering and testing of measurement e.g. temp. probes - using holder in annular body for heating
DE2428723A1
Charge control for storage heater system - has charge controller operated by outdoor temperature sensor
