A device for generating a control signal voltage which is dependent on a resistance value of a variable resistor (8) includes a transformer (24) having a first winding (22) which is in series with the variable resistor and a rectifier diode (20). A current generator (32) coupled to a power source...http://www.google.fr/patents/US5736884?utm_source=gb-gplus-shareBrevet US5736884 - Device for generating a control signal dependent on a variable resistance value and apparatus comprising such device
Device for generating a control signal dependent on a variable resistance ...
