Title:
金属遮蔽された電子ラベル付けシステム
Document Type and Number:
Japanese Patent JP4523159
Kind Code:
B2
Abstract:
A metal screened ( 13 ) electronic labelling system having at least one information bearing electronic coded label including a label coil ( 12 ) and an interrogator including a transmitter coil ( 9 ). The system relies on a magnetic field coupling link containing the transmitter coil ( 9 ) and the label coil ( 12 ) for obtaining information from the label. The coupling link is arranged such that it operates in the near field thereof and substantially none or at most a minority of the magnetic flux which excites the label coil ( 12 ) also links the transmitter coil ( 9 ).
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Inventors:
Cole, Peter, Harold
Application Number:
JP2000561581A
Publication Date:
August 11, 2010
Filing Date:
July 20, 1999
Export Citation:
Assignee:
Gemplus Tag Australia
International Classes:
B65G1/137; B65G63/00; G06K17/00; G06K19/07; G06K19/08
Domestic Patent References:
| JP63074230A | ||||
| JP5142359A | ||||
| JP10049639A |
Attorney, Agent or Firm:
Keiichi Ota