moreover the current supply terminals 7a and 7b and the output terminal 12 are formed on the base plate 1 in this invention two multiple magnetoresistance elements as above mentioned are used a preferred embodiment of this invention will now be described in detail in fig1 output terminals 41a and 41b are connected to multiple magnetoresistance elements 40a and 40b parallel resistors 42a and 42b having movable contacts 43a and 43b form bridges together with the multiple magnetoresistance elements 40a and 40b an ac power source 44a of a voltage v sin u03c9t is connected to the multiple magnetoresistance element 40a another ac power source 44b of a voltage v cos u03c9t shifted from the voltage v sin u03c9t by 90 u00b0 in phase is connected to the multiple magnetoresistance element 40b the one multiple magnetoresistance element 40a is separated from the other multiple magnetoresistance element 40b by a distance equ25 where m 0 1 2 3 the distance d is between the last magnetoresistance stripe of the multiple magnetoresistance element 40a and the first magnetoresistance stripe of the multiple magnetoresistance element 40b as shown on fig1 output voltages v a and v b from the output terminals 41a and 41b are obtained in the following manner directions of the composite magnetic fluxes are calculated with respect to ferromagnetic stripes a and b accordingly the whole resistances u03c1 a0 and u03c1 b0 varying with the directions of the composite magnetic fluxes are obtained with respect to the ferromagnetic stripes a and b the output voltage v.