Title:
PORTABLE INFORMATION TERMINAL
Document Type and Number:
Japanese Patent JP2003143030
Kind Code:
A
Abstract:
To perform transmission/reception of information to/from external equipment in wireless manner, with high sensitivity, while ensuring a wide ground pattern for an antenna.
A circuit board 5 on which an LSI (large-scale integration) 7 constituting an information processing section, a high-frequency modulation demodulation circuit (radio communication circuit) 8 and an antenna 9 are mounted is electrically connected to a liquid crystal display panel 4 via a flexible printed circuit (FPC) 6 provided in parallel therebetween, which are provided in a case. A ground pattern 25 for an antenna is formed on a vacant region, except in the region on which the wiring pattern of the FPC 6 is formed.
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Inventors:
KATO YUICHI
KOMIYAMA TAKEO
KOMIYAMA TAKEO
Application Number:
JP2001339927A
Publication Date:
May 16, 2003
Filing Date:
November 05, 2001
Export Citation:
Assignee:
CITIZEN WATCH CO LTD
International Classes:
G06F1/18; H01Q1/24; H01Q1/38; H01Q1/48; H04B1/38; H05K1/02; H05K1/14; H05K3/46; (IPC1-7): H04B1/38; G06F1/18; H01Q1/24; H01Q1/38; H01Q1/48; H05K1/02; H05K1/14; H05K3/46
Attorney, Agent or Firm:
Kei Osawa