large warp knitting machines can be provided with a operative piezoelectric jacquard control application_number US 55467895 A description referring to fig1 the warp knitting machine 1 illustrated in fig1 comprises a machine frame 2 having a main shaft 3 as well as a knitting needle bar 4 illustrated schematically a rotational angle measuring means 5 provides a rotational angle signal over line 6 three guide bars 7 8 and 9 are equipped with guides 10 11 and 12 which as is conventional are swingable to and fro from an underlap position to an overlap position and back as well as a displacement arrangement 13 for shogging them over one or more needle spaces parallel to needle bar 4 the guides 10 are rigidly affixed to guide bar 7 these serve for the production of the ground fabric the guides 11 are connected to the appropriate guide bar via bending transducers 14 as are guides 12 via bending transducers 15 by means of the bending transducers the guides can be displaced by one needle space thus serving the pattern formation of the fabric a control arrangement 16 is provided for the activation of these bending transducers this comprises a main computer 17 provided with a pattern storage means 18 as well as subordinate computers 19 and 20 for each guide bar 8 and 9 the computer 19 is connected with input 22 of a high voltage serial to parallel converter 23 this possesses an intermediate storage means 24 in the form of a shift register into which the particular data for displacing the bending transducer 14 are read in sequentially each bending transducer.