Patent ID: 8486334
Filing Date: 2013-07-16
Classification: B82Y,G01R,H01L

Abstract:
1. A magnetic sensor comprising: a plurality of detecting parts each having a plurality of magnetoresistive films electrically connected in series; a plurality of selecting parts, each having a first end and a second end, wherein each of the plurality of selecting parts is arranged corresponding to each of the plurality of detecting parts, respectively, and wherein the first end of each of the plurality of selecting parts is electrically connected to an end of one of the detecting parts, respectively; a reference part having a first constant current source and a plurality of magnetoresistive films electrically connected in series; a reference part selecting device for selecting the reference part; a second constant current source electrically and commonly connected to all of the second ends of the plurality of selecting parts; and a sensing part for receiving a signal from one of the detecting parts and a signal from the reference part.