How to interface geiger muller tube with an lcd counter series 167?

There's various ways of doing it. A basic circuit is at a href="http://www.kronjaeger.com/hv-old/radio/geiger/geiger4.pdf" rel="nofollow"http://www.kronjaeger.com/hv-old/radio/g…/a which although it has analog indicators does produce pulses from the 4093 Schmitt trigger NAND gates.