Electricity: measuring and testing – Magnetic – Magnetometers
Reexamination Certificate
2005-04-19
2005-04-19
LeDynh, Bot (Department: 2862)
Electricity: measuring and testing
Magnetic
Magnetometers
C324S257000, C324S260000
Reexamination Certificate
active
06882144
ABSTRACT:
An electromagnetic wave measuring apparatus includes a loop probe section having loop probes whose loop planes are placed so as to be perpendicular to each other, and each loop probe is placed so that its magnetic field detection space is not interfered with by other loop probes. If the loop probe section is placed at measurement position coordinates xi, yj, it detects a magnetic field component at the measurement position coordinates xi, yj, which is parallel to an XY plane, and a magnetic field component in a Z-axis direction at measurement position coordinates xi, yj−1, and repeats measurement by pitch p in a positive Y-axis direction. By calculating the root sum square of the detection results at each measurement position coordinate, a three-dimensional magnetic field level of an object to be measured can be obtained at each measurement position coordinate as electromagnetic field distribution with high-precision.
REFERENCES:
patent: 20030076094 (2003-04-01), Hoshino
patent: 9-304456 (1997-11-01), None
patent: 3163016 (2001-02-01), None
Asayama Yoshitaka
Kajiwara Shoichi
Koyanagi Yoshio
Ogawa Koichi
Ozaki Akihiro
LeDynh Bot
Matsushita Electric - Industrial Co., Ltd.
Wenderoth , Lind & Ponack, L.L.P.
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