Quartz crystal timepiece

Claim 1

A timepiece comprising quartz crystal vibrator means for producing a high frequency time standard signal; divider circuit means for producing low frequency timing signals in response to said high frequency time standard signal; liquid crystal display means for the digital display of time; driving circuit means intermediate said divider circuit means and said liquid crystal display means for producing driving signals in response to said timing signals for driving said liquid crystal display means, said divider circuit meanS and said driving circuit means being formed from COS/MOS integrated circuits; voltage source means for producing a low voltage; and D.C. step-up transformer means for producing a high voltage from said low voltage for application to said driving circuit means including transformer winding means having a high voltage output and a low voltage input, rectifier means connected to said high voltage output for producing said D.C. high voltage, and means for applying an oscillatory low voltage signal to said low voltage input including an astable multivibrator formed from first and second COS/MOS inverter means each having an input and an output, the output of said first inverter means being connected to the input of said second inverter means, a resistor means connected between the input and output of said first inverter means and a capacitor means connected between the output of said second inverter and the input of said first inverter means, said astable multivibrator having an output at the output of said second inverter means for connection to the low voltage input of said transformer winding means.