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Patent Searching and Data


Title:
COMMUNICATION CARD AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2004364249
Kind Code:
A
Abstract:

To provide a communication card and its manufacturing method whose cost can be reduced.

The communication card comprises a bottom panel, an upper cover and an upper panel, and can house an electric apparatus therein, the electric apparatus comprises a substrate and an RF transceiver that is connected to the substrate, and further, the substrate comprises at least one metal ground layer stretched along all areas of the substrate and prevents electromagnetic waves from being discharged from the rear side of the substrate. The bottom panel and the upper panel are formed of materials through which electromagnetic waves are transmitted, and the upper cover is formed of an electromagnetic wave shielding material. Component linking means are provided between the bottom panel and the upper cover and between the bottom panel and the upper panel. After assembling, the substrate is positioned between the upper cover and the bottom panel, and the RF transceiver is positioned between the upper panel and the bottom panel. Further, the communication card can be easily hung on a user's neck by a ring that is integrally formed on the bottom panel.


Inventors:
KUO PAO-CHIEN
LIN SHIH-YING
LEE CHUNG-YI
WANG CHI-CHANG
HSU YA-WEN
Application Number:
JP2004023696A
Publication Date:
December 24, 2004
Filing Date:
January 30, 2004
Export Citation:
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Assignee:
CHIHO KAGI KOFUN YUGENKOSHI
International Classes:
B42D25/305; B42D25/40; G06K7/00; G06K19/077; H04B1/38; H05K1/14; H05K1/18; H05K5/02; H05K9/00; H05K1/02; (IPC1-7): H04B1/38; G06K19/077; H05K1/18; H05K5/02; H05K9/00
Attorney, Agent or Firm:
Matsuji Takemoto
Hideo Sugiyama
Koichi Yuda
Uozumi Takahiro
Naohiko Teshima