Title:
ANTENNA DEVICE, AND RADIO COMMUNICATION TERMINAL
Document Type and Number:
Japanese Patent JP2006013901
Kind Code:
A
Abstract:
To provide an antenna with directivity, and at the same time, improve shield effect.
An antenna 106 for external radio communication is installed in a circuit board 104 which is mounted in a 1st cabinet part 101, and at the same time, circuit boards 104, 108 which are respectively installed in the 1st cabinet 101 and a 2nd cabinet 102, embeds antennas 107, 110 for internal radio communication, and respectively forms a ground layer 111, 112 so that they are respectively located at least in a side of either upper or lower side of the respective antennas 107, 110 for the internal radio communication.
Inventors:
IRIE MICHIO
Application Number:
JP2004188348A
Publication Date:
January 12, 2006
Filing Date:
June 25, 2004
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
H01Q1/24; H01Q1/52; H01Q13/08; H01Q17/00; H04B1/38; H04M1/02
Attorney, Agent or Firm:
Masahiko Ueyanagi
Fujitsuna Hideyoshi
Osamu Suzawa
Fujitsuna Hideyoshi
Osamu Suzawa