Title:
HIGH RESOLUTION DIFFERENTIAL TYPE MAGNETOMETRIC SENSOR AND ITS DRIVING GEAR
Document Type and Number:
Japanese Patent JP2004301545
Kind Code:
A
Abstract:
To provide a high resolution differential type magnetometric sensor having a fine base line, and capable of detecting a fine space distribution of a feeble magnetic field which is difficult hitherto, and its driving gear.
Two highly-sensitive magnetic impedance elements 1a, 1b are arranged in parallel in one exciting coil so that detection parts of the elements are very close to each other.
Inventors:
NAKAYAMA SATORU
IKEDA MASANORI
ODAWARA NARIKAZU
NAGANO MITSUGI
IZAWA KAZUYUKI
IKEDA MASANORI
ODAWARA NARIKAZU
NAGANO MITSUGI
IZAWA KAZUYUKI
Application Number:
JP2003091895A
Publication Date:
October 28, 2004
Filing Date:
March 28, 2003
Export Citation:
Assignee:
SEIKO INSTR INC
TOHOKU ELECTRIC POWER CO
TOHOKU ELECTRIC POWER CO
International Classes:
G01R33/02; (IPC1-7): G01R33/02
Attorney, Agent or Firm:
Masaaki Sakagami