Electricity: measuring and testing – Magnetic – Magnetometers
Reexamination Certificate
2006-08-29
2006-08-29
LeDynh, Bot (Department: 2862)
Electricity: measuring and testing
Magnetic
Magnetometers
C324S207250, C324S228000
Reexamination Certificate
active
07098656
ABSTRACT:
The device object of this patent is composed of:—one box (1) which is U-shaped in its transversal section;—two guiding plates (2) for the magnets (4);—two L-shaped rolled sections (3), which constitute the magnets (4) pole pieces;—various magnets (4) placed parallelly to the ferromagnetic insert (8) to be tested; each magnet (4) is placed parallel to the ferromagnetic insert (8) sliding direction with respect to the device and vice versa;—various measuring coils (5) placed in a housing (6), which is U-shaped in its transversal section;—a covering plate (7) fixed to box (1) in such a way to occupy the device side facing the insert (8) to be tested;—simple gears permitting to direct, in following times, the coils (5) parallelly to the different angles of the ferromagnetic insert (8) layers.
REFERENCES:
patent: 5221805 (1993-06-01), Lace
patent: 5901534 (1999-05-01), Weiss et al.
patent: 6150809 (2000-11-01), Tiernan et al.
patent: 2001/0019263 (2001-09-01), Kwun et al.
patent: 0819944 (1998-01-01), None
patent: 526805 (1940-09-01), None
patent: 1270821 (1972-04-01), None
patent: 2002360537 (2002-12-01), None
Dowell & Dowell , P.C.
LeDynh Bot
Security Control S.r.l.
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