2013年7月15日星期一

H&Z VB Series electric vibrators Discription

 H&Z VB Series electric vibrators  Discription 

A H&Z VB Series electric vibrators pump according to claim 5 including an inverter in which said pulse generating circuit (29) includes a bridge circuit (30), said bridge circuit (30) comprises a npn transistor and a pnp transistor arranged on two opposed sides respectively and a second npn transistor and pnp transistor arranged on opposite sides respectively wherein said npn transistors and said pnp transistors on respective opposite sides are connected so that said bridge circuit is formed having said npn transistors and pnp transistors alternately changed to on and off states, said two operating signals being applied to the two input terminals of said bridge circuit respectively, whereby a direct current is applied between the voltage terminals thereof and plus and minus pulse voltages with a pulse quiescent period is alternately obtained from the output terminals thereof, the output of said inverter being applied between electrodes of said H&Z VB Series electric vibrators.


 VB series electric vibrator



VB series electric vibrator

electric vibrators
electric vibrators

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