Title:
MAGNETIC FIELD MEASUREMENT EQUIPMENT
Document Type and Number:
Japanese Patent JP2001104261
Kind Code:
A
Abstract:
To provide magnetic field measurement equipment that is not affected by the change of site of the object.
This equipment is provided with plural number of fluxmeters that detects the orthogonal three magnetic field components of the magnetic field generated by the heart of a baby in the womb 2, and means for displaying the results of the wave form with time of the composite magnetic field intensity obtained by summarizing square of the magnetic field components in the three directions from which low frequency components are eliminated by high-pass filter.
Inventors:
TSUKADA KEIJI
KANDORI AKIHIKO
MIYASHITA TAKESHI
SUZUKI HIROYUKI
SASABUCHI HITOSHI
KANDORI AKIHIKO
MIYASHITA TAKESHI
SUZUKI HIROYUKI
SASABUCHI HITOSHI
Application Number:
JP2000247905A
Publication Date:
April 17, 2001
Filing Date:
October 24, 1997
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G01R33/02; A61B5/05; G01R33/035; (IPC1-7): A61B5/05; G01R33/02
Attorney, Agent or Firm:
Sakuta Yasuo