Title:
SENSOR TAG AND METHOD FOR MANUFACTURING SENSOR TAG
Document Type and Number:
WIPO Patent Application WO/2014/129069
Kind Code:
A1
Abstract:
A sensor tag (10) is provided with an antenna (102) and connecting conductors (103), said antenna (102) and connecting conductors (103) being formed on the surface of a flexible substrate (101). A sensing element (110) is mounted on land conductors (131) that are part of the connecting conductors (103). Said sensing element (110) comprises a crystal oscillator (111) and an RFIC (112). The crystal oscillator (111) receives an external excitation signal and generates a resonance signal at a resonant frequency corresponding to a sensed temperature. The RFIC (112) stores equivalent-circuit-constant information including at least the equivalent inductance (Lxs) or equivalent capacitance (Cxs) of the crystal oscillator (111).
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Inventors:
ITO YOSHIHIRO (JP)
Application Number:
PCT/JP2013/084010
Publication Date:
August 28, 2014
Filing Date:
December 19, 2013
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
G08C19/00; G01K7/32; G06K19/00; H01Q1/24; H01Q1/38; H01Q7/00
Foreign References:
JP2012008748A | 2012-01-12 | |||
JPH08237030A | 1996-09-13 | |||
JP2006105927A | 2006-04-20 | |||
JP2004295793A | 2004-10-21 |
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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