公开(公告)号：US20180224508A1

公开(公告)日：2018-08-09

申请号：US15888969

申请日：2018-02-05

Applicant: Boston Scientific Scimed Inc.

Inventor： David W. Kelly ,  Eric P. Bailey

IPC: G01R33/00 ,  H04J1/12 ,  H04J11/00 ,  G01D5/14 ,  A61B5/06

CPC classification number: G01R33/0029 ,  A61B5/061 ,  A61B5/062 ,  A61B5/7203 ,  A61B5/7225 ,  A61B5/725 ,  A61B2034/2051 ,  G01D5/14 ,  G01R33/02 ,  G01R33/091 ,  H04J1/12 ,  H04J11/0036 ,  H04J11/0063 ,  H04J2011/0096

Abstract: A method uses an electromagnetic navigation system, including a number of field transmitters and at least one receiver. The method includes receiving a field signal from the at least one receiver, and the field signal includes a number of different frequencies corresponding to each of the field transmitters. The received field signal is multiplied by a synchronization signal using a frequency-division multiplexing scheme, and the received field signal is integrated over a predetermined sampling interval and converted into an integrated signal having only a desired signal based on the synchronization signal. The integrated signal is outputted for subsequent processing of the electromagnetic navigation system.