Signal processing circuit controlled with microprocessor for measuring series train of pulses
HUT40262A
Measuring probe and circuit arrangement for sensing and indicating level of conductive liquids
HUT39260A
Circuit arrangement for processing signals of capacitive sensors, favourably capacitive sensors used for indicating level of liquid
DE3336974A1
Circuit arrangement, especially for indicating the liquid level in containers
DD212584A5
Circuit arrangement for control of physical sizes, especially of liquids
HUT34388A
Hand soldering bit and method for producing same
HUT34269A
Method and control apparatus for realiable testing operation of the instrument to sense presence of a liquid on the basis of electrical conductivity ot that
HU186410B
Circuit arrangement for indicating level of the containers
HU180605B
Arrangement for building up direct a/d converter
HU184934B
Circuit arrangement for protecting electronic power switch againts over load
HU175995B
Cigarette-holder
HU178081B
Digital equipment operating by sampling for measuring the level of liquids
