Title:
AUTOMATIC FLOOR DEMAGNETIZER
Document Type and Number:
Japanese Patent JP2703684
Kind Code:
B2
Abstract:
PURPOSE: To provide the title apparatus which conducts floor demagnetization automatically, simply, and economically and conducts floor magnetization even after a building is completed.
CONSTITUTION: An unmanned carrier 1 running along a floor face 4 is loaded with a magnetic sensor 7, a demagnetization coil 8, an alterating power source 10 making alterating current flow through the coil, and a controller 12 which inputs magnetic sensor signal from the floor by the magnetic sensor 7 to control the alterating power source 10.
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Inventors:
Toshifumi Shinna
Application Number:
JP29895791A
Publication Date:
January 26, 1998
Filing Date:
November 14, 1991
Export Citation:
Assignee:
Fujita Co., Ltd.
International Classes:
H01F13/00; (IPC1-7): H01F13/00
Domestic Patent References:
| JP4744198A |
Attorney, Agent or Firm:
Shigefumi Okamoto (1 person outside)