Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – For magnetizing or demagnetizing
Reexamination Certificate
2005-10-25
2005-10-25
Barrera, Ramon M. (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
For magnetizing or demagnetizing
C335S296000, C335S298000
Reexamination Certificate
active
06958672
ABSTRACT:
A system and a method for magnetizing one of a plurality of substantially non-magnetized blocks disposed on a plate of a magnetic assembly used in an MRI device are provided. The system includes first and second arm portions operably coupled together. The system further includes a first electromagnetic coil disposed on a first end of the first arm portion, wherein the first electromagnetic coil is configured to generate a magnetic field that propagates from the first electromagnetic coil through at least one non-magnetized block and the plate and further through the first and second arm portions to magnetize the block.
REFERENCES:
patent: 4723116 (1988-02-01), Muller et al.
patent: 6664878 (2003-12-01), Chen et al.
Shen Weijun
Xu Bu-Xin
Barrera Ramon M.
Cantor & Colburn LLP
General Electric Company
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