Title:
磁気記録再生装置
Document Type and Number:
Japanese Patent JP4585740
Kind Code:
B2
Abstract:
A current measurement method for measuring a current that flows in a transmission line of an electric circuit including steps of installing a magnetooptical device in a magnetic field which is generated based upon current that flows in the transmission line, making a polarized light on the magnetooptical device, and acquiring a current based upon the variation of the polarization of reflected light from the magnetooptical device on which the polarized light is incident.
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Inventors:
Hiroshi Ikegame
Application Number:
JP2002267558A
Publication Date:
November 24, 2010
Filing Date:
September 13, 2002
Export Citation:
Assignee:
Hitachi Global Storage Technologies Co., Ltd.
International Classes:
G01R19/00; G01R15/24
Domestic Patent References:
| JP5897669A | ||||
| JP58146859A | ||||
| JP5314438A | ||||
| JP7239499A | ||||
| JP8194016A | ||||
| JP9127158A |
Attorney, Agent or Firm:
Manabu Inoue